diff --git a/README.md b/README.md
index 6f0d7c2..a99607e 100644
--- a/README.md
+++ b/README.md
@@ -121,8 +121,8 @@ Voidraft/
 ### Planned Features
 - ✅ Custom themes - Customize editor themes
 - ✅ Multi-window support - Support editing multiple documents simultaneously
+- ✅ Data synchronization - Cloud backup for documents
 - [ ] Enhanced clipboard - Monitor and manage clipboard history
-- [ ] Data synchronization - Cloud backup for configurations and documents
 - [ ] Extension system - Support for custom plugins
 
 ## Acknowledgments
diff --git a/README_ZH.md b/README_ZH.md
index 66d7203..106b105 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -122,8 +122,8 @@ Voidraft/
 ### 计划添加的功能
 - ✅ 自定义主题 - 自定义编辑器主题
 - ✅ 多窗口支持 - 支持同时编辑多个文档
+- ✅ 数据同步 - 文档云端备份
 - [ ] 剪切板增强 - 监听和管理剪切板历史
-- [ ] 数据同步 - 配置和文档云端备份
 - [ ] 扩展系统 - 支持自定义插件
 
 
diff --git a/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/index.ts b/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/index.ts
deleted file mode 100644
index 4e17f5e..0000000
--- a/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/index.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-import * as Service from "./service.js";
-export {
-    Service
-};
-
-export * from "./models.js";
diff --git a/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/models.ts b/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/models.ts
deleted file mode 100644
index 8ac9575..0000000
--- a/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/models.ts
+++ /dev/null
@@ -1,51 +0,0 @@
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Create as $Create} from "@wailsio/runtime";
-
-export class Config {
-    /**
-     * DBSource is the database URI to use.
-     * The string ":memory:" can be used to create an in-memory database.
-     * The sqlite driver can be configured through query parameters.
-     * For more details see https://pkg.go.dev/modernc.org/sqlite#Driver.Open
-     */
-    "DBSource": string;
-
-    /** Creates a new Config instance. */
-    constructor($$source: Partial<Config> = {}) {
-        if (!("DBSource" in $$source)) {
-            this["DBSource"] = "";
-        }
-
-        Object.assign(this, $$source);
-    }
-
-    /**
-     * Creates a new Config instance from a string or object.
-     */
-    static createFrom($$source: any = {}): Config {
-        let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
-        return new Config($$parsedSource as Partial<Config>);
-    }
-}
-
-/**
- * Row holds a single row in the result of a query.
- * It is a key-value map where keys are column names.
- */
-export type Row = { [_: string]: any };
-
-/**
- * Rows holds the result of a query
- * as an array of key-value maps where keys are column names.
- */
-export type Rows = Row[];
-
-/**
- * Stmt wraps a prepared sql statement pointer.
- * It provides the same methods as the [sql.Stmt] type.
- */
-export type Stmt = string;
diff --git a/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/service.ts b/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/service.ts
deleted file mode 100644
index 2f820f8..0000000
--- a/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/service.ts
+++ /dev/null
@@ -1,223 +0,0 @@
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import * as application$0 from "../../application/models.js";
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import * as $models from "./models.js";
-
-export {
-    ExecContext as Execute,
-    QueryContext as Query
-};
-
-import { Stmt } from "./stmt.js";
-
-/**
- * Prepare creates a prepared statement for later queries or executions.
- * Multiple queries or executions may be run concurrently from the returned statement.
- *
- * The caller must call the statement's Close method when it is no longer needed.
- * Statements are closed automatically
- * when the connection they are associated with is closed.
- *
- * Prepare supports early cancellation.
- */
-export function Prepare(query: string): Promise<Stmt | null> & { cancel(): void } {
-    const promise = PrepareContext(query);
-    const wrapper: any = (promise.then(function (id) {
-        return id == null ? null : new Stmt(
-            ClosePrepared.bind(null, id),
-            ExecPrepared.bind(null, id),
-            QueryPrepared.bind(null, id));
-    }));
-    wrapper.cancel = promise.cancel;
-    return wrapper;
-}
-
-/**
- * Close closes the current database connection if one is open, otherwise has no effect.
- * Additionally, Close closes all open prepared statements associated to the connection.
- * 
- * Even when a non-nil error is returned,
- * the database service is left in a consistent state,
- * ready for a call to [Service.Open].
- */
-export function Close(): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(1888105376) as any;
-    return $resultPromise;
-}
-
-/**
- * ClosePrepared closes a prepared statement
- * obtained with [Service.Prepare] or [Service.PrepareContext].
- * ClosePrepared is idempotent:
- * it has no effect on prepared statements that are already closed.
- */
-function ClosePrepared(stmt: $models.Stmt | null): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(2526200629, stmt) as any;
-    return $resultPromise;
-}
-
-/**
- * Configure changes the database service configuration.
- * The connection state at call time is preserved.
- * Consumers will need to call [Service.Open] manually after Configure
- * in order to reconnect with the new configuration.
- * 
- * See [NewWithConfig] for details on configuration.
- */
-export function Configure(config: $models.Config | null): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(1939578712, config) as any;
-    return $resultPromise;
-}
-
-/**
- * ExecContext executes a query without returning any rows.
- * It supports early cancellation.
- */
-function ExecContext(query: string, ...args: any[]): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(674944556, query, args) as any;
-    return $resultPromise;
-}
-
-/**
- * ExecPrepared executes a prepared statement
- * obtained with [Service.Prepare] or [Service.PrepareContext]
- * without returning any rows.
- * It supports early cancellation.
- */
-function ExecPrepared(stmt: $models.Stmt | null, ...args: any[]): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(2086877656, stmt, args) as any;
-    return $resultPromise;
-}
-
-/**
- * Execute executes a query without returning any rows.
- */
-export function Execute(query: string, ...args: any[]): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(3811930203, query, args) as any;
-    return $resultPromise;
-}
-
-/**
- * Open validates the current configuration,
- * closes the current connection if one is present,
- * then opens and validates a new connection.
- * 
- * Even when a non-nil error is returned,
- * the database service is left in a consistent state,
- * ready for a new call to Open.
- */
-export function Open(): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(2012175612) as any;
-    return $resultPromise;
-}
-
-/**
- * Prepare creates a prepared statement for later queries or executions.
- * Multiple queries or executions may be run concurrently from the returned statement.
- * 
- * The caller should call the statement's Close method when it is no longer needed.
- * Statements are closed automatically
- * when the connection they are associated with is closed.
- */
-export function Prepare(query: string): Promise<$models.Stmt | null> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(1801965143, query) as any;
-    return $resultPromise;
-}
-
-/**
- * PrepareContext creates a prepared statement for later queries or executions.
- * Multiple queries or executions may be run concurrently from the returned statement.
- * 
- * The caller must call the statement's Close method when it is no longer needed.
- * Statements are closed automatically
- * when the connection they are associated with is closed.
- * 
- * PrepareContext supports early cancellation.
- */
-function PrepareContext(query: string): Promise<$models.Stmt | null> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(570941694, query) as any;
-    return $resultPromise;
-}
-
-/**
- * Query executes a query and returns a slice of key-value records,
- * one per row, with column names as keys.
- */
-export function Query(query: string, ...args: any[]): Promise<$models.Rows> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(860757720, query, args) as any;
-    let $typingPromise = $resultPromise.then(($result: any) => {
-        return $$createType1($result);
-    }) as any;
-    $typingPromise.cancel = $resultPromise.cancel.bind($resultPromise);
-    return $typingPromise;
-}
-
-/**
- * QueryContext executes a query and returns a slice of key-value records,
- * one per row, with column names as keys.
- * It supports early cancellation, returning the slice of results fetched so far.
- */
-function QueryContext(query: string, ...args: any[]): Promise<$models.Rows> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(4115542347, query, args) as any;
-    let $typingPromise = $resultPromise.then(($result: any) => {
-        return $$createType1($result);
-    }) as any;
-    $typingPromise.cancel = $resultPromise.cancel.bind($resultPromise);
-    return $typingPromise;
-}
-
-/**
- * QueryPrepared executes a prepared statement
- * obtained with [Service.Prepare] or [Service.PrepareContext]
- * and returns a slice of key-value records, one per row, with column names as keys.
- * It supports early cancellation, returning the slice of results fetched so far.
- */
-function QueryPrepared(stmt: $models.Stmt | null, ...args: any[]): Promise<$models.Rows> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(3885083725, stmt, args) as any;
-    let $typingPromise = $resultPromise.then(($result: any) => {
-        return $$createType1($result);
-    }) as any;
-    $typingPromise.cancel = $resultPromise.cancel.bind($resultPromise);
-    return $typingPromise;
-}
-
-/**
- * ServiceName returns the name of the plugin.
- * You should use the go module format e.g. github.com/myuser/myplugin
- */
-export function ServiceName(): Promise<string> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(1637123084) as any;
-    return $resultPromise;
-}
-
-/**
- * ServiceShutdown closes the database connection.
- * It returns a non-nil error in case of failures.
- */
-export function ServiceShutdown(): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(3650435925) as any;
-    return $resultPromise;
-}
-
-/**
- * ServiceStartup opens the database connection.
- * It returns a non-nil error in case of failures.
- */
-export function ServiceStartup(options: application$0.ServiceOptions): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(1113159936, options) as any;
-    return $resultPromise;
-}
-
-// Private type creation functions
-const $$createType0 = $Create.Map($Create.Any, $Create.Any);
-const $$createType1 = $Create.Array($$createType0);
diff --git a/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/stmt.js b/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/stmt.js
deleted file mode 100644
index 948b0c3..0000000
--- a/frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/sqlite/stmt.js
+++ /dev/null
@@ -1,79 +0,0 @@
-//@ts-check
-
-//@ts-ignore: Unused imports
-import * as $models from "./models.js";
-
-const execSymbol = Symbol("exec"),
-      querySymbol = Symbol("query"),
-      closeSymbol = Symbol("close");
-
-/**
- * Stmt represents a prepared statement for later queries or executions.
- * Multiple queries or executions may be run concurrently on the same statement.
- *
- * The caller must call the statement's Close method when it is no longer needed.
- * Statements are closed automatically
- * when the connection they are associated with is closed.
- */
-export class Stmt {
-    /**
-     * Constructs a new prepared statement instance.
-     * @param {(...args: any[]) => Promise<void>} close
-     * @param {(...args: any[]) => Promise<void> & { cancel(): void }} exec
-     * @param {(...args: any[]) => Promise<$models.Rows> & { cancel(): void }} query
-     */
-    constructor(close, exec, query) {
-        /**
-         * @member
-         * @private
-         * @type {typeof close}
-         */
-        this[closeSymbol] = close;
-
-        /**
-         * @member
-         * @private
-         * @type {typeof exec}
-         */
-        this[execSymbol] = exec;
-
-        /**
-         * @member
-         * @private
-         * @type {typeof query}
-         */
-        this[querySymbol] = query;
-    }
-
-    /**
-     * Closes the prepared statement.
-     * It has no effect when the statement is already closed.
-     * @returns {Promise<void>}
-     */
-    Close() {
-        return this[closeSymbol]();
-    }
-
-    /**
-     * Executes the prepared statement without returning any rows.
-     * It supports early cancellation.
-     *
-     * @param {any[]} args
-     * @returns {Promise<void> & { cancel(): void }}
-     */
-    Exec(...args) {
-        return this[execSymbol](...args);
-    }
-
-    /**
-     * Executes the prepared statement
-     * and returns a slice of key-value records, one per row, with column names as keys.
-     * It supports early cancellation, returning the array of results fetched so far.
-     *
-     * @param {any[]} args
-     * @returns {Promise<$models.Rows> & { cancel(): void }}
-     */
-    Query(...args) {
-        return this[querySymbol](...args);
-    }
-}
diff --git a/frontend/bindings/voidraft/internal/models/models.ts b/frontend/bindings/voidraft/internal/models/models.ts
index 93cf158..9cd16d8 100644
--- a/frontend/bindings/voidraft/internal/models/models.ts
+++ b/frontend/bindings/voidraft/internal/models/models.ts
@@ -34,9 +34,9 @@ export class AppConfig {
     "updates": UpdatesConfig;
 
     /**
-     * Git同步设置
+     * Git备份设置
      */
-    "sync": GitSyncConfig;
+    "backup": GitBackupConfig;
 
     /**
      * 配置元数据
@@ -57,8 +57,8 @@ export class AppConfig {
         if (!("updates" in $$source)) {
             this["updates"] = (new UpdatesConfig());
         }
-        if (!("sync" in $$source)) {
-            this["sync"] = (new GitSyncConfig());
+        if (!("backup" in $$source)) {
+            this["backup"] = (new GitBackupConfig());
         }
         if (!("metadata" in $$source)) {
             this["metadata"] = (new ConfigMetadata());
@@ -90,8 +90,8 @@ export class AppConfig {
         if ("updates" in $$parsedSource) {
             $$parsedSource["updates"] = $$createField3_0($$parsedSource["updates"]);
         }
-        if ("sync" in $$parsedSource) {
-            $$parsedSource["sync"] = $$createField4_0($$parsedSource["sync"]);
+        if ("backup" in $$parsedSource) {
+            $$parsedSource["backup"] = $$createField4_0($$parsedSource["backup"]);
         }
         if ("metadata" in $$parsedSource) {
             $$parsedSource["metadata"] = $$createField5_0($$parsedSource["metadata"]);
@@ -148,6 +148,8 @@ export class AppearanceConfig {
 }
 
 /**
+ * Git备份相关类型定义
+ *
  * AuthMethod 定义Git认证方式
  */
 export enum AuthMethod {
@@ -157,18 +159,10 @@ export enum AuthMethod {
     $zero = "",
 
     /**
-     * 个人访问令牌
+     * 认证方式
      */
     Token = "token",
-
-    /**
-     * SSH密钥
-     */
     SSHKey = "ssh_key",
-
-    /**
-     * 用户名密码
-     */
     UserPass = "user_pass",
 };
 
@@ -577,12 +571,11 @@ export class GeneralConfig {
 }
 
 /**
- * GitSyncConfig 保存Git同步的配置信息
+ * GitBackupConfig Git备份配置
  */
-export class GitSyncConfig {
+export class GitBackupConfig {
     "enabled": boolean;
     "repo_url": string;
-    "branch": string;
     "auth_method": AuthMethod;
     "username"?: string;
     "password"?: string;
@@ -591,73 +584,38 @@ export class GitSyncConfig {
     "ssh_key_passphrase"?: string;
 
     /**
-     * 同步间隔（分钟）
+     * 分钟
      */
-    "sync_interval": number;
-    "last_sync_time": time$0.Time;
+    "backup_interval": number;
+    "auto_backup": boolean;
 
-    /**
-     * 是否启用自动同步
-     */
-    "auto_sync": boolean;
-    "local_repo_path": string;
-
-    /**
-     * 合并冲突策略
-     */
-    "sync_strategy": SyncStrategy;
-
-    /**
-     * 要同步的文件列表，默认为数据库文件
-     */
-    "files_to_sync": string[];
-
-    /** Creates a new GitSyncConfig instance. */
-    constructor($$source: Partial<GitSyncConfig> = {}) {
+    /** Creates a new GitBackupConfig instance. */
+    constructor($$source: Partial<GitBackupConfig> = {}) {
         if (!("enabled" in $$source)) {
             this["enabled"] = false;
         }
         if (!("repo_url" in $$source)) {
             this["repo_url"] = "";
         }
-        if (!("branch" in $$source)) {
-            this["branch"] = "";
-        }
         if (!("auth_method" in $$source)) {
             this["auth_method"] = ("" as AuthMethod);
         }
-        if (!("sync_interval" in $$source)) {
-            this["sync_interval"] = 0;
+        if (!("backup_interval" in $$source)) {
+            this["backup_interval"] = 0;
         }
-        if (!("last_sync_time" in $$source)) {
-            this["last_sync_time"] = null;
-        }
-        if (!("auto_sync" in $$source)) {
-            this["auto_sync"] = false;
-        }
-        if (!("local_repo_path" in $$source)) {
-            this["local_repo_path"] = "";
-        }
-        if (!("sync_strategy" in $$source)) {
-            this["sync_strategy"] = ("" as SyncStrategy);
-        }
-        if (!("files_to_sync" in $$source)) {
-            this["files_to_sync"] = [];
+        if (!("auto_backup" in $$source)) {
+            this["auto_backup"] = false;
         }
 
         Object.assign(this, $$source);
     }
 
     /**
-     * Creates a new GitSyncConfig instance from a string or object.
+     * Creates a new GitBackupConfig instance from a string or object.
      */
-    static createFrom($$source: any = {}): GitSyncConfig {
-        const $$createField14_0 = $$createType11;
+    static createFrom($$source: any = {}): GitBackupConfig {
         let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
-        if ("files_to_sync" in $$parsedSource) {
-            $$parsedSource["files_to_sync"] = $$createField14_0($$parsedSource["files_to_sync"]);
-        }
-        return new GitSyncConfig($$parsedSource as Partial<GitSyncConfig>);
+        return new GitBackupConfig($$parsedSource as Partial<GitBackupConfig>);
     }
 }
 
@@ -1168,26 +1126,6 @@ export enum LanguageType {
     LangEnUS = "en-US",
 };
 
-/**
- * SyncStrategy 定义同步策略
- */
-export enum SyncStrategy {
-    /**
-     * The Go zero value for the underlying type of the enum.
-     */
-    $zero = "",
-
-    /**
-     * LocalFirst 本地优先：如有冲突，保留本地修改
-     */
-    LocalFirst = "local_first",
-
-    /**
-     * RemoteFirst 远程优先：如有冲突，采用远程版本
-     */
-    RemoteFirst = "remote_first",
-};
-
 /**
  * SystemThemeType 系统主题类型定义
  */
@@ -1539,8 +1477,8 @@ export class UpdatesConfig {
      * Creates a new UpdatesConfig instance from a string or object.
      */
     static createFrom($$source: any = {}): UpdatesConfig {
-        const $$createField6_0 = $$createType12;
-        const $$createField7_0 = $$createType13;
+        const $$createField6_0 = $$createType11;
+        const $$createField7_0 = $$createType12;
         let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
         if ("github" in $$parsedSource) {
             $$parsedSource["github"] = $$createField6_0($$parsedSource["github"]);
@@ -1557,7 +1495,7 @@ const $$createType0 = GeneralConfig.createFrom;
 const $$createType1 = EditingConfig.createFrom;
 const $$createType2 = AppearanceConfig.createFrom;
 const $$createType3 = UpdatesConfig.createFrom;
-const $$createType4 = GitSyncConfig.createFrom;
+const $$createType4 = GitBackupConfig.createFrom;
 const $$createType5 = ConfigMetadata.createFrom;
 const $$createType6 = CustomThemeConfig.createFrom;
 const $$createType7 = ThemeColorConfig.createFrom;
@@ -1569,6 +1507,5 @@ var $$createType8 = (function $$initCreateType8(...args): any {
 });
 const $$createType9 = $Create.Map($Create.Any, $Create.Any);
 const $$createType10 = HotkeyCombo.createFrom;
-const $$createType11 = $Create.Array($Create.Any);
-const $$createType12 = GithubConfig.createFrom;
-const $$createType13 = GiteaConfig.createFrom;
+const $$createType11 = GithubConfig.createFrom;
+const $$createType12 = GiteaConfig.createFrom;
diff --git a/frontend/bindings/voidraft/internal/services/backupservice.ts b/frontend/bindings/voidraft/internal/services/backupservice.ts
new file mode 100644
index 0000000..582eda0
--- /dev/null
+++ b/frontend/bindings/voidraft/internal/services/backupservice.ts
@@ -0,0 +1,71 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+/**
+ * BackupService 提供基于Git的备份功能
+ * @module
+ */
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import {Call as $Call, Create as $Create} from "@wailsio/runtime";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import * as models$0 from "../models/models.js";
+
+/**
+ * HandleConfigChange 处理备份配置变更
+ */
+export function HandleConfigChange(config: models$0.GitBackupConfig | null): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(395287784, config) as any;
+    return $resultPromise;
+}
+
+/**
+ * Initialize 初始化备份服务
+ */
+export function Initialize(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(1052437974) as any;
+    return $resultPromise;
+}
+
+/**
+ * PushToRemote 推送本地更改到远程仓库
+ */
+export function PushToRemote(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(262644139) as any;
+    return $resultPromise;
+}
+
+/**
+ * Reinitialize 重新初始化备份服务，用于响应配置变更
+ */
+export function Reinitialize(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(301562543) as any;
+    return $resultPromise;
+}
+
+/**
+ * ServiceShutdown 服务关闭时的清理工作
+ */
+export function ServiceShutdown(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(422131801) as any;
+    return $resultPromise;
+}
+
+/**
+ * StartAutoBackup 启动自动备份定时器
+ */
+export function StartAutoBackup(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3035755449) as any;
+    return $resultPromise;
+}
+
+/**
+ * StopAutoBackup 停止自动备份
+ */
+export function StopAutoBackup(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2641894021) as any;
+    return $resultPromise;
+}
diff --git a/frontend/bindings/voidraft/internal/services/configservice.ts b/frontend/bindings/voidraft/internal/services/configservice.ts
index 1067bd3..050051f 100644
--- a/frontend/bindings/voidraft/internal/services/configservice.ts
+++ b/frontend/bindings/voidraft/internal/services/configservice.ts
@@ -58,6 +58,14 @@ export function Set(key: string, value: any): Promise<void> & { cancel(): void }
     return $resultPromise;
 }
 
+/**
+ * SetBackupConfigChangeCallback 设置备份配置变更回调
+ */
+export function SetBackupConfigChangeCallback(callback: any): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3264871659, callback) as any;
+    return $resultPromise;
+}
+
 /**
  * SetDataPathChangeCallback 设置数据路径配置变更回调
  */
diff --git a/frontend/bindings/voidraft/internal/services/dialogservice.ts b/frontend/bindings/voidraft/internal/services/dialogservice.ts
index 3456d55..2589217 100644
--- a/frontend/bindings/voidraft/internal/services/dialogservice.ts
+++ b/frontend/bindings/voidraft/internal/services/dialogservice.ts
@@ -22,6 +22,14 @@ export function SelectDirectory(): Promise<string> & { cancel(): void } {
     return $resultPromise;
 }
 
+/**
+ * SelectFile 打开文件选择对话框
+ */
+export function SelectFile(): Promise<string> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(37302920) as any;
+    return $resultPromise;
+}
+
 /**
  * SetWindow 设置绑定的窗口
  */
diff --git a/frontend/bindings/voidraft/internal/services/index.ts b/frontend/bindings/voidraft/internal/services/index.ts
index 6647c72..2f85a3d 100644
--- a/frontend/bindings/voidraft/internal/services/index.ts
+++ b/frontend/bindings/voidraft/internal/services/index.ts
@@ -1,6 +1,7 @@
 // Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
 // This file is automatically generated. DO NOT EDIT
 
+import * as BackupService from "./backupservice.js";
 import * as ConfigService from "./configservice.js";
 import * as DatabaseService from "./databaseservice.js";
 import * as DialogService from "./dialogservice.js";
@@ -16,6 +17,7 @@ import * as TranslationService from "./translationservice.js";
 import * as TrayService from "./trayservice.js";
 import * as WindowService from "./windowservice.js";
 export {
+    BackupService,
     ConfigService,
     DatabaseService,
     DialogService,
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 040e827..60ce0a3 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -37,7 +37,7 @@
         "@codemirror/lint": "^6.8.5",
         "@codemirror/search": "^6.5.11",
         "@codemirror/state": "^6.5.2",
-        "@codemirror/view": "^6.38.0",
+        "@codemirror/view": "^6.38.1",
         "@lezer/highlight": "^1.2.1",
         "@lezer/lr": "^1.4.2",
         "codemirror": "^6.0.2",
@@ -53,25 +53,24 @@
         "remarkable": "^2.0.1",
         "sass": "^1.89.2",
         "vue": "^3.5.17",
-        "vue-i18n": "^11.1.9",
+        "vue-i18n": "^11.1.10",
         "vue-pick-colors": "^1.8.0",
         "vue-router": "^4.5.1"
       },
       "devDependencies": {
-        "@eslint/js": "^9.30.1",
+        "@eslint/js": "^9.31.0",
         "@lezer/generator": "^1.8.0",
-        "@types/lodash": "^4.17.20",
-        "@types/node": "^24.0.12",
+        "@types/node": "^24.0.14",
         "@types/remarkable": "^2.0.8",
         "@vitejs/plugin-vue": "^6.0.0",
         "@wailsio/runtime": "latest",
-        "eslint": "^9.30.1",
+        "eslint": "^9.31.0",
         "eslint-plugin-vue": "^10.3.0",
         "globals": "^16.3.0",
         "typescript": "^5.8.3",
-        "typescript-eslint": "^8.36.0",
+        "typescript-eslint": "^8.37.0",
         "unplugin-vue-components": "^28.8.0",
-        "vite": "^7.0.3",
+        "vite": "^7.0.4",
         "vue-eslint-parser": "^10.2.0",
         "vue-tsc": "^3.0.1"
       }
@@ -507,9 +506,9 @@
       }
     },
     "node_modules/@codemirror/view": {
-      "version": "6.38.0",
-      "resolved": "https://registry.npmmirror.com/@codemirror/view/-/view-6.38.0.tgz",
-      "integrity": "sha512-yvSchUwHOdupXkd7xJ0ob36jdsSR/I+/C+VbY0ffBiL5NiSTEBDfB1ZGWbbIlDd5xgdUkody+lukAdOxYrOBeg==",
+      "version": "6.38.1",
+      "resolved": "https://registry.npmmirror.com/@codemirror/view/-/view-6.38.1.tgz",
+      "integrity": "sha512-RmTOkE7hRU3OVREqFVITWHz6ocgBjv08GoePscAakgVQfciA3SGCEk7mb9IzwW61cKKmlTpHXG6DUE5Ubx+MGQ==",
       "license": "MIT",
       "dependencies": {
         "@codemirror/state": "^6.5.0",
@@ -1061,9 +1060,9 @@
       }
     },
     "node_modules/@eslint/js": {
-      "version": "9.30.1",
-      "resolved": "https://registry.npmmirror.com/@eslint/js/-/js-9.30.1.tgz",
-      "integrity": "sha512-zXhuECFlyep42KZUhWjfvsmXGX39W8K8LFb8AWXM9gSV9dQB+MrJGLKvW6Zw0Ggnbpw0VHTtrhFXYe3Gym18jg==",
+      "version": "9.31.0",
+      "resolved": "https://registry.npmmirror.com/@eslint/js/-/js-9.31.0.tgz",
+      "integrity": "sha512-LOm5OVt7D4qiKCqoiPbA7LWmI+tbw1VbTUowBcUMgQSuM6poJufkFkYDcQpo5KfgD39TnNySV26QjOh7VFpSyw==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -1164,13 +1163,13 @@
       }
     },
     "node_modules/@intlify/core-base": {
-      "version": "11.1.9",
-      "resolved": "https://registry.npmmirror.com/@intlify/core-base/-/core-base-11.1.9.tgz",
-      "integrity": "sha512-Lrdi4wp3XnGhWmB/mMD/XtfGUw1Jt+PGpZI/M63X1ZqhTDjNHRVCs/i8vv8U1cwaj1A9fb0bkCQHLSL0SK+pIQ==",
+      "version": "11.1.10",
+      "resolved": "https://registry.npmmirror.com/@intlify/core-base/-/core-base-11.1.10.tgz",
+      "integrity": "sha512-JhRb40hD93Vk0BgMgDc/xMIFtdXPHoytzeK6VafBNOj6bb6oUZrGamXkBKecMsmGvDQQaPRGG2zpa25VCw8pyw==",
       "license": "MIT",
       "dependencies": {
-        "@intlify/message-compiler": "11.1.9",
-        "@intlify/shared": "11.1.9"
+        "@intlify/message-compiler": "11.1.10",
+        "@intlify/shared": "11.1.10"
       },
       "engines": {
         "node": ">= 16"
@@ -1180,12 +1179,12 @@
       }
     },
     "node_modules/@intlify/message-compiler": {
-      "version": "11.1.9",
-      "resolved": "https://registry.npmmirror.com/@intlify/message-compiler/-/message-compiler-11.1.9.tgz",
-      "integrity": "sha512-84SNs3Ikjg0rD1bOuchzb3iK1vR2/8nxrkyccIl5DjFTeMzE/Fxv6X+A7RN5ZXjEWelc1p5D4kHA6HEOhlKL5Q==",
+      "version": "11.1.10",
+      "resolved": "https://registry.npmmirror.com/@intlify/message-compiler/-/message-compiler-11.1.10.tgz",
+      "integrity": "sha512-TABl3c8tSLWbcD+jkQTyBhrnW251dzqW39MPgEUCsd69Ua3ceoimsbIzvkcPzzZvt1QDxNkenMht+5//V3JvLQ==",
       "license": "MIT",
       "dependencies": {
-        "@intlify/shared": "11.1.9",
+        "@intlify/shared": "11.1.10",
         "source-map-js": "^1.0.2"
       },
       "engines": {
@@ -1196,9 +1195,9 @@
       }
     },
     "node_modules/@intlify/shared": {
-      "version": "11.1.9",
-      "resolved": "https://registry.npmmirror.com/@intlify/shared/-/shared-11.1.9.tgz",
-      "integrity": "sha512-H/83xgU1l8ox+qG305p6ucmoy93qyjIPnvxGWRA7YdOoHe1tIiW9IlEu4lTdsOR7cfP1ecrwyflQSqXdXBacXA==",
+      "version": "11.1.10",
+      "resolved": "https://registry.npmmirror.com/@intlify/shared/-/shared-11.1.10.tgz",
+      "integrity": "sha512-6ZW/f3Zzjxfa1Wh0tYQI5pLKUtU+SY7l70pEG+0yd0zjcsYcK0EBt6Fz30Dy0tZhEqemziQQy2aNU3GJzyrMUA==",
       "license": "MIT",
       "engines": {
         "node": ">= 16"
@@ -2134,17 +2133,10 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@types/lodash": {
-      "version": "4.17.20",
-      "resolved": "https://registry.npmmirror.com/@types/lodash/-/lodash-4.17.20.tgz",
-      "integrity": "sha512-H3MHACvFUEiujabxhaI/ImO6gUrd8oOurg7LQtS7mbwIXA/cUqWrvBsaeJ23aZEPk1TAYkurjfMbSELfoCXlGA==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@types/node": {
-      "version": "24.0.12",
-      "resolved": "https://registry.npmmirror.com/@types/node/-/node-24.0.12.tgz",
-      "integrity": "sha512-LtOrbvDf5ndC9Xi+4QZjVL0woFymF/xSTKZKPgrrl7H7XoeDvnD+E2IclKVDyaK9UM756W/3BXqSU+JEHopA9g==",
+      "version": "24.0.14",
+      "resolved": "https://registry.npmmirror.com/@types/node/-/node-24.0.14.tgz",
+      "integrity": "sha512-4zXMWD91vBLGRtHK3YbIoFMia+1nqEz72coM42C5ETjnNCa/heoj7NT1G67iAfOqMmcfhuCZ4uNpyz8EjlAejw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -2159,17 +2151,17 @@
       "license": "MIT"
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.36.0.tgz",
-      "integrity": "sha512-lZNihHUVB6ZZiPBNgOQGSxUASI7UJWhT8nHyUGCnaQ28XFCw98IfrMCG3rUl1uwUWoAvodJQby2KTs79UTcrAg==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.37.0.tgz",
+      "integrity": "sha512-jsuVWeIkb6ggzB+wPCsR4e6loj+rM72ohW6IBn2C+5NCvfUVY8s33iFPySSVXqtm5Hu29Ne/9bnA0JmyLmgenA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/regexpp": "^4.10.0",
-        "@typescript-eslint/scope-manager": "8.36.0",
-        "@typescript-eslint/type-utils": "8.36.0",
-        "@typescript-eslint/utils": "8.36.0",
-        "@typescript-eslint/visitor-keys": "8.36.0",
+        "@typescript-eslint/scope-manager": "8.37.0",
+        "@typescript-eslint/type-utils": "8.37.0",
+        "@typescript-eslint/utils": "8.37.0",
+        "@typescript-eslint/visitor-keys": "8.37.0",
         "graphemer": "^1.4.0",
         "ignore": "^7.0.0",
         "natural-compare": "^1.4.0",
@@ -2183,7 +2175,7 @@
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "@typescript-eslint/parser": "^8.36.0",
+        "@typescript-eslint/parser": "^8.37.0",
         "eslint": "^8.57.0 || ^9.0.0",
         "typescript": ">=4.8.4 <5.9.0"
       }
@@ -2199,16 +2191,16 @@
       }
     },
     "node_modules/@typescript-eslint/parser": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/parser/-/parser-8.36.0.tgz",
-      "integrity": "sha512-FuYgkHwZLuPbZjQHzJXrtXreJdFMKl16BFYyRrLxDhWr6Qr7Kbcu2s1Yhu8tsiMXw1S0W1pjfFfYEt+R604s+Q==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/parser/-/parser-8.37.0.tgz",
+      "integrity": "sha512-kVIaQE9vrN9RLCQMQ3iyRlVJpTiDUY6woHGb30JDkfJErqrQEmtdWH3gV0PBAfGZgQXoqzXOO0T3K6ioApbbAA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/scope-manager": "8.36.0",
-        "@typescript-eslint/types": "8.36.0",
-        "@typescript-eslint/typescript-estree": "8.36.0",
-        "@typescript-eslint/visitor-keys": "8.36.0",
+        "@typescript-eslint/scope-manager": "8.37.0",
+        "@typescript-eslint/types": "8.37.0",
+        "@typescript-eslint/typescript-estree": "8.37.0",
+        "@typescript-eslint/visitor-keys": "8.37.0",
         "debug": "^4.3.4"
       },
       "engines": {
@@ -2224,14 +2216,14 @@
       }
     },
     "node_modules/@typescript-eslint/project-service": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/project-service/-/project-service-8.36.0.tgz",
-      "integrity": "sha512-JAhQFIABkWccQYeLMrHadu/fhpzmSQ1F1KXkpzqiVxA/iYI6UnRt2trqXHt1sYEcw1mxLnB9rKMsOxXPxowN/g==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/project-service/-/project-service-8.37.0.tgz",
+      "integrity": "sha512-BIUXYsbkl5A1aJDdYJCBAo8rCEbAvdquQ8AnLb6z5Lp1u3x5PNgSSx9A/zqYc++Xnr/0DVpls8iQ2cJs/izTXA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/tsconfig-utils": "^8.36.0",
-        "@typescript-eslint/types": "^8.36.0",
+        "@typescript-eslint/tsconfig-utils": "^8.37.0",
+        "@typescript-eslint/types": "^8.37.0",
         "debug": "^4.3.4"
       },
       "engines": {
@@ -2246,14 +2238,14 @@
       }
     },
     "node_modules/@typescript-eslint/scope-manager": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/scope-manager/-/scope-manager-8.36.0.tgz",
-      "integrity": "sha512-wCnapIKnDkN62fYtTGv2+RY8FlnBYA3tNm0fm91kc2BjPhV2vIjwwozJ7LToaLAyb1ca8BxrS7vT+Pvvf7RvqA==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/scope-manager/-/scope-manager-8.37.0.tgz",
+      "integrity": "sha512-0vGq0yiU1gbjKob2q691ybTg9JX6ShiVXAAfm2jGf3q0hdP6/BruaFjL/ManAR/lj05AvYCH+5bbVo0VtzmjOA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.36.0",
-        "@typescript-eslint/visitor-keys": "8.36.0"
+        "@typescript-eslint/types": "8.37.0",
+        "@typescript-eslint/visitor-keys": "8.37.0"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -2264,9 +2256,9 @@
       }
     },
     "node_modules/@typescript-eslint/tsconfig-utils": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.36.0.tgz",
-      "integrity": "sha512-Nhh3TIEgN18mNbdXpd5Q8mSCBnrZQeY9V7Ca3dqYvNDStNIGRmJA6dmrIPMJ0kow3C7gcQbpsG2rPzy1Ks/AnA==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.37.0.tgz",
+      "integrity": "sha512-1/YHvAVTimMM9mmlPvTec9NP4bobA1RkDbMydxG8omqwJJLEW/Iy2C4adsAESIXU3WGLXFHSZUU+C9EoFWl4Zg==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -2281,14 +2273,15 @@
       }
     },
     "node_modules/@typescript-eslint/type-utils": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/type-utils/-/type-utils-8.36.0.tgz",
-      "integrity": "sha512-5aaGYG8cVDd6cxfk/ynpYzxBRZJk7w/ymto6uiyUFtdCozQIsQWh7M28/6r57Fwkbweng8qAzoMCPwSJfWlmsg==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/type-utils/-/type-utils-8.37.0.tgz",
+      "integrity": "sha512-SPkXWIkVZxhgwSwVq9rqj/4VFo7MnWwVaRNznfQDc/xPYHjXnPfLWn+4L6FF1cAz6e7dsqBeMawgl7QjUMj4Ow==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/typescript-estree": "8.36.0",
-        "@typescript-eslint/utils": "8.36.0",
+        "@typescript-eslint/types": "8.37.0",
+        "@typescript-eslint/typescript-estree": "8.37.0",
+        "@typescript-eslint/utils": "8.37.0",
         "debug": "^4.3.4",
         "ts-api-utils": "^2.1.0"
       },
@@ -2305,9 +2298,9 @@
       }
     },
     "node_modules/@typescript-eslint/types": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/types/-/types-8.36.0.tgz",
-      "integrity": "sha512-xGms6l5cTJKQPZOKM75Dl9yBfNdGeLRsIyufewnxT4vZTrjC0ImQT4fj8QmtJK84F58uSh5HVBSANwcfiXxABQ==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/types/-/types-8.37.0.tgz",
+      "integrity": "sha512-ax0nv7PUF9NOVPs+lmQ7yIE7IQmAf8LGcXbMvHX5Gm+YJUYNAl340XkGnrimxZ0elXyoQJuN5sbg6C4evKA4SQ==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -2319,16 +2312,16 @@
       }
     },
     "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/typescript-estree/-/typescript-estree-8.36.0.tgz",
-      "integrity": "sha512-JaS8bDVrfVJX4av0jLpe4ye0BpAaUW7+tnS4Y4ETa3q7NoZgzYbN9zDQTJ8kPb5fQ4n0hliAt9tA4Pfs2zA2Hg==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/typescript-estree/-/typescript-estree-8.37.0.tgz",
+      "integrity": "sha512-zuWDMDuzMRbQOM+bHyU4/slw27bAUEcKSKKs3hcv2aNnc/tvE/h7w60dwVw8vnal2Pub6RT1T7BI8tFZ1fE+yg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/project-service": "8.36.0",
-        "@typescript-eslint/tsconfig-utils": "8.36.0",
-        "@typescript-eslint/types": "8.36.0",
-        "@typescript-eslint/visitor-keys": "8.36.0",
+        "@typescript-eslint/project-service": "8.37.0",
+        "@typescript-eslint/tsconfig-utils": "8.37.0",
+        "@typescript-eslint/types": "8.37.0",
+        "@typescript-eslint/visitor-keys": "8.37.0",
         "debug": "^4.3.4",
         "fast-glob": "^3.3.2",
         "is-glob": "^4.0.3",
@@ -2374,16 +2367,16 @@
       }
     },
     "node_modules/@typescript-eslint/utils": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/utils/-/utils-8.36.0.tgz",
-      "integrity": "sha512-VOqmHu42aEMT+P2qYjylw6zP/3E/HvptRwdn/PZxyV27KhZg2IOszXod4NcXisWzPAGSS4trE/g4moNj6XmH2g==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/utils/-/utils-8.37.0.tgz",
+      "integrity": "sha512-TSFvkIW6gGjN2p6zbXo20FzCABbyUAuq6tBvNRGsKdsSQ6a7rnV6ADfZ7f4iI3lIiXc4F4WWvtUfDw9CJ9pO5A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.7.0",
-        "@typescript-eslint/scope-manager": "8.36.0",
-        "@typescript-eslint/types": "8.36.0",
-        "@typescript-eslint/typescript-estree": "8.36.0"
+        "@typescript-eslint/scope-manager": "8.37.0",
+        "@typescript-eslint/types": "8.37.0",
+        "@typescript-eslint/typescript-estree": "8.37.0"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -2398,13 +2391,13 @@
       }
     },
     "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/visitor-keys/-/visitor-keys-8.36.0.tgz",
-      "integrity": "sha512-vZrhV2lRPWDuGoxcmrzRZyxAggPL+qp3WzUrlZD+slFueDiYHxeBa34dUXPuC0RmGKzl4lS5kFJYvKCq9cnNDA==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/@typescript-eslint/visitor-keys/-/visitor-keys-8.37.0.tgz",
+      "integrity": "sha512-YzfhzcTnZVPiLfP/oeKtDp2evwvHLMe0LOy7oe+hb9KKIumLNohYS9Hgp1ifwpu42YWxhZE8yieggz6JpqO/1w==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.36.0",
+        "@typescript-eslint/types": "8.37.0",
         "eslint-visitor-keys": "^4.2.1"
       },
       "engines": {
@@ -3199,9 +3192,9 @@
       }
     },
     "node_modules/eslint": {
-      "version": "9.30.1",
-      "resolved": "https://registry.npmmirror.com/eslint/-/eslint-9.30.1.tgz",
-      "integrity": "sha512-zmxXPNMOXmwm9E0yQLi5uqXHs7uq2UIiqEKo3Gq+3fwo1XrJ+hijAZImyF7hclW3E6oHz43Yk3RP8at6OTKflQ==",
+      "version": "9.31.0",
+      "resolved": "https://registry.npmmirror.com/eslint/-/eslint-9.31.0.tgz",
+      "integrity": "sha512-QldCVh/ztyKJJZLr4jXNUByx3gR+TDYZCRXEktiZoUR3PGy4qCmSbkxcIle8GEwGpb5JBZazlaJ/CxLidXdEbQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -3209,9 +3202,9 @@
         "@eslint-community/regexpp": "^4.12.1",
         "@eslint/config-array": "^0.21.0",
         "@eslint/config-helpers": "^0.3.0",
-        "@eslint/core": "^0.14.0",
+        "@eslint/core": "^0.15.0",
         "@eslint/eslintrc": "^3.3.1",
-        "@eslint/js": "9.30.1",
+        "@eslint/js": "9.31.0",
         "@eslint/plugin-kit": "^0.3.1",
         "@humanfs/node": "^0.16.6",
         "@humanwhocodes/module-importer": "^1.0.1",
@@ -3317,6 +3310,19 @@
         "url": "https://opencollective.com/eslint"
       }
     },
+    "node_modules/eslint/node_modules/@eslint/core": {
+      "version": "0.15.1",
+      "resolved": "https://registry.npmmirror.com/@eslint/core/-/core-0.15.1.tgz",
+      "integrity": "sha512-bkOp+iumZCCbt1K1CmWf0R9pM5yKpDv+ZXtvSyQpudrI9kuFLp+bM2WOPXImuD/ceQuaa8f5pj93Y7zyECIGNA==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@types/json-schema": "^7.0.15"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      }
+    },
     "node_modules/espree": {
       "version": "10.4.0",
       "resolved": "https://registry.npmmirror.com/espree/-/espree-10.4.0.tgz",
@@ -4827,15 +4833,16 @@
       }
     },
     "node_modules/typescript-eslint": {
-      "version": "8.36.0",
-      "resolved": "https://registry.npmmirror.com/typescript-eslint/-/typescript-eslint-8.36.0.tgz",
-      "integrity": "sha512-fTCqxthY+h9QbEgSIBfL9iV6CvKDFuoxg6bHPNpJ9HIUzS+jy2lCEyCmGyZRWEBSaykqcDPf1SJ+BfCI8DRopA==",
+      "version": "8.37.0",
+      "resolved": "https://registry.npmmirror.com/typescript-eslint/-/typescript-eslint-8.37.0.tgz",
+      "integrity": "sha512-TnbEjzkE9EmcO0Q2zM+GE8NQLItNAJpMmED1BdgoBMYNdqMhzlbqfdSwiRlAzEK2pA9UzVW0gzaaIzXWg2BjfA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/eslint-plugin": "8.36.0",
-        "@typescript-eslint/parser": "8.36.0",
-        "@typescript-eslint/utils": "8.36.0"
+        "@typescript-eslint/eslint-plugin": "8.37.0",
+        "@typescript-eslint/parser": "8.37.0",
+        "@typescript-eslint/typescript-estree": "8.37.0",
+        "@typescript-eslint/utils": "8.37.0"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -5135,9 +5142,9 @@
       "license": "MIT"
     },
     "node_modules/vite": {
-      "version": "7.0.3",
-      "resolved": "https://registry.npmmirror.com/vite/-/vite-7.0.3.tgz",
-      "integrity": "sha512-y2L5oJZF7bj4c0jgGYgBNSdIu+5HF+m68rn2cQXFbGoShdhV1phX9rbnxy9YXj82aS8MMsCLAAFkRxZeWdldrQ==",
+      "version": "7.0.4",
+      "resolved": "https://registry.npmmirror.com/vite/-/vite-7.0.4.tgz",
+      "integrity": "sha512-SkaSguuS7nnmV7mfJ8l81JGBFV7Gvzp8IzgE8A8t23+AxuNX61Q5H1Tpz5efduSN7NHC8nQXD3sKQKZAu5mNEA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -5290,13 +5297,13 @@
       }
     },
     "node_modules/vue-i18n": {
-      "version": "11.1.9",
-      "resolved": "https://registry.npmmirror.com/vue-i18n/-/vue-i18n-11.1.9.tgz",
-      "integrity": "sha512-N9ZTsXdRmX38AwS9F6Rh93RtPkvZTkSy/zNv63FTIwZCUbLwwrpqlKz9YQuzFLdlvRdZTnWAUE5jMxr8exdl7g==",
+      "version": "11.1.10",
+      "resolved": "https://registry.npmmirror.com/vue-i18n/-/vue-i18n-11.1.10.tgz",
+      "integrity": "sha512-C+IwnSg8QDSOAox0gdFYP5tsKLx5jNWxiawNoiNB/Tw4CReXmM1VJMXbduhbrEzAFLhreqzfDocuSVjGbxQrag==",
       "license": "MIT",
       "dependencies": {
-        "@intlify/core-base": "11.1.9",
-        "@intlify/shared": "11.1.9",
+        "@intlify/core-base": "11.1.10",
+        "@intlify/shared": "11.1.10",
         "@vue/devtools-api": "^6.5.0"
       },
       "engines": {
diff --git a/frontend/package.json b/frontend/package.json
index d37068d..5c0e8f9 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -41,7 +41,7 @@
     "@codemirror/lint": "^6.8.5",
     "@codemirror/search": "^6.5.11",
     "@codemirror/state": "^6.5.2",
-    "@codemirror/view": "^6.38.0",
+    "@codemirror/view": "^6.38.1",
     "@lezer/highlight": "^1.2.1",
     "@lezer/lr": "^1.4.2",
     "codemirror": "^6.0.2",
@@ -57,25 +57,24 @@
     "remarkable": "^2.0.1",
     "sass": "^1.89.2",
     "vue": "^3.5.17",
-    "vue-i18n": "^11.1.9",
+    "vue-i18n": "^11.1.10",
     "vue-pick-colors": "^1.8.0",
     "vue-router": "^4.5.1"
   },
   "devDependencies": {
-    "@eslint/js": "^9.30.1",
+    "@eslint/js": "^9.31.0",
     "@lezer/generator": "^1.8.0",
-    "@types/lodash": "^4.17.20",
-    "@types/node": "^24.0.12",
+    "@types/node": "^24.0.14",
     "@types/remarkable": "^2.0.8",
     "@vitejs/plugin-vue": "^6.0.0",
     "@wailsio/runtime": "latest",
-    "eslint": "^9.30.1",
+    "eslint": "^9.31.0",
     "eslint-plugin-vue": "^10.3.0",
     "globals": "^16.3.0",
     "typescript": "^5.8.3",
-    "typescript-eslint": "^8.36.0",
+    "typescript-eslint": "^8.37.0",
     "unplugin-vue-components": "^28.8.0",
-    "vite": "^7.0.3",
+    "vite": "^7.0.4",
     "vue-eslint-parser": "^10.2.0",
     "vue-tsc": "^3.0.1"
   }
diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index fb05e86..89c1b82 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -1,10 +1,11 @@
 <script setup lang="ts">
-import { onMounted } from 'vue';
-import { useConfigStore } from '@/stores/configStore';
-import { useSystemStore } from '@/stores/systemStore';
-import { useKeybindingStore } from '@/stores/keybindingStore';
-import { useThemeStore } from '@/stores/themeStore';
-import { useUpdateStore } from '@/stores/updateStore';
+import {onMounted} from 'vue';
+import {useConfigStore} from '@/stores/configStore';
+import {useSystemStore} from '@/stores/systemStore';
+import {useKeybindingStore} from '@/stores/keybindingStore';
+import {useThemeStore} from '@/stores/themeStore';
+import {useUpdateStore} from '@/stores/updateStore';
+import {useBackupStore} from '@/stores/backupStore';
 import WindowTitleBar from '@/components/titlebar/WindowTitleBar.vue';
 
 const configStore = useConfigStore();
@@ -12,6 +13,7 @@ const systemStore = useSystemStore();
 const keybindingStore = useKeybindingStore();
 const themeStore = useThemeStore();
 const updateStore = useUpdateStore();
+const backupStore = useBackupStore();
 
 // 应用启动时加载配置和初始化系统信息
 onMounted(async () => {
@@ -26,6 +28,9 @@ onMounted(async () => {
   await configStore.initializeLanguage();
   themeStore.initializeTheme();
   
+  // 初始化备份服务
+  await backupStore.initialize();
+  
   // 启动时检查更新
   await updateStore.checkOnStartup();
 });
@@ -33,7 +38,7 @@ onMounted(async () => {
 
 <template>
   <div class="app-container">
-    <WindowTitleBar />
+    <WindowTitleBar/>
     <div class="app-content">
       <router-view/>
     </div>
diff --git a/frontend/src/i18n/locales/en-US.ts b/frontend/src/i18n/locales/en-US.ts
index 66593a0..fa646fd 100644
--- a/frontend/src/i18n/locales/en-US.ts
+++ b/frontend/src/i18n/locales/en-US.ts
@@ -119,6 +119,7 @@ export default {
     general: 'General',
     editing: 'Editor',
     appearance: 'Appearance',
+    backupPage: 'Backup',
     keyBindings: 'Key Bindings',
     updates: 'Updates',
     reset: 'Reset',
@@ -242,6 +243,49 @@ export default {
     restartNow: 'Restart Now',
     hotkeyPreview: 'Preview:',
     none: 'None',
+    backup: {
+      basicSettings: 'Basic Settings',
+      enableBackup: 'Enable Git Backup',
+      autoBackup: 'Auto Backup',
+      backupInterval: 'Backup Interval',
+      intervals: {
+        '5min': '5 minutes',
+        '10min': '10 minutes',
+        '15min': '15 minutes',
+        '30min': '30 minutes',
+        '1hour': '1 hour'
+      },
+      repositoryConfig: 'Repository Configuration',
+      repoUrl: 'Repository URL',
+      repoUrlPlaceholder: 'Enter Git repository URL',
+      authConfig: 'Authentication Configuration',
+      authMethod: 'Authentication Method',
+      authMethods: {
+        token: 'Access Token',
+        sshKey: 'SSH Key',
+        userPass: 'Username/Password'
+      },
+      username: 'Username',
+      usernamePlaceholder: 'Enter username',
+      password: 'Password',
+      passwordPlaceholder: 'Enter password',
+      token: 'Access Token',
+      tokenPlaceholder: 'Enter access token',
+      sshKeyPath: 'SSH Key Path',
+      sshKeyPathPlaceholder: 'Select SSH key file',
+      sshKeyPassphrase: 'SSH Key Passphrase',
+      sshKeyPassphrasePlaceholder: 'Enter SSH key passphrase',
+      backupOperations: 'Backup Operations',
+      pushToRemote: 'Push to Remote',
+      pushing: 'Pushing...',
+      actions: {
+        push: 'Push',
+      },
+      status: {
+        success: 'Success',
+        failed: 'Failed'
+      }
+    },
   },
   extensions: {
     rainbowBrackets: {
diff --git a/frontend/src/i18n/locales/zh-CN.ts b/frontend/src/i18n/locales/zh-CN.ts
index 4f4e44a..ac79135 100644
--- a/frontend/src/i18n/locales/zh-CN.ts
+++ b/frontend/src/i18n/locales/zh-CN.ts
@@ -119,6 +119,7 @@ export default {
     general: '常规',
     editing: '编辑器',
     appearance: '外观',
+    backupPage: '备份',
     extensions: '扩展',
     keyBindings: '快捷键',
     updates: '更新',
@@ -243,6 +244,49 @@ export default {
     },
     hotkeyPreview: '预览：',
     none: '无',
+    backup: {
+      basicSettings: '基本设置',
+      enableBackup: '启用备份',
+      autoBackup: '自动备份',
+      backupInterval: '备份间隔',
+      intervals: {
+        '5min': '5分钟',
+        '10min': '10分钟',
+        '15min': '15分钟',
+        '30min': '30分钟',
+        '1hour': '1小时'
+      },
+      repositoryConfig: '仓库配置',
+      repoUrl: '仓库地址',
+      repoUrlPlaceholder: '请输入Git仓库地址',
+      authConfig: '认证配置',
+      authMethod: '认证方式',
+      authMethods: {
+        token: '访问令牌',
+        sshKey: 'SSH密钥',
+        userPass: '用户名密码'
+      },
+      username: '用户名',
+      usernamePlaceholder: '请输入用户名',
+      password: '密码',
+      passwordPlaceholder: '请输入密码',
+      token: '访问令牌',
+      tokenPlaceholder: '请输入访问令牌',
+      sshKeyPath: 'SSH密钥路径',
+      sshKeyPathPlaceholder: '请选择SSH密钥文件',
+      sshKeyPassphrase: 'SSH密钥密码',
+      sshKeyPassphrasePlaceholder: '请输入SSH密钥密码',
+      backupOperations: '备份操作',
+      pushToRemote: '推送到远程',
+      pushing: '推送中...',
+      actions: {
+        push: '推送',
+      },
+      status: {
+        success: '成功',
+        failed: '失败'
+      }
+    },
   },
   extensions: {
     rainbowBrackets: {
diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
index 3103773..ee7da42 100644
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -7,6 +7,7 @@ import AppearancePage from '@/views/settings/pages/AppearancePage.vue';
 import KeyBindingsPage from '@/views/settings/pages/KeyBindingsPage.vue';
 import UpdatesPage from '@/views/settings/pages/UpdatesPage.vue';
 import ExtensionsPage from '@/views/settings/pages/ExtensionsPage.vue';
+import BackupPage from '@/views/settings/pages/BackupPage.vue';
 
 const routes: RouteRecordRaw[] = [
   {
@@ -49,6 +50,11 @@ const routes: RouteRecordRaw[] = [
         path: 'updates',
         name: 'SettingsUpdates',
         component: UpdatesPage
+      },
+      {
+        path: 'backup',
+        name: 'SettingsBackup',
+        component: BackupPage
       }
     ]
   }
@@ -59,4 +65,4 @@ const router = createRouter({
   routes: routes
 });
 
-export default router; 
\ No newline at end of file
+export default router;
\ No newline at end of file
diff --git a/frontend/src/stores/backupStore.ts b/frontend/src/stores/backupStore.ts
new file mode 100644
index 0000000..a515502
--- /dev/null
+++ b/frontend/src/stores/backupStore.ts
@@ -0,0 +1,125 @@
+import {defineStore} from 'pinia'
+import {computed, readonly, ref} from 'vue'
+import type {GitBackupConfig} from '@/../bindings/voidraft/internal/models'
+import {BackupService} from '@/../bindings/voidraft/internal/services'
+import {useConfigStore} from '@/stores/configStore'
+
+/**
+ * Minimalist Backup Store
+ */
+export const useBackupStore = defineStore('backup', () => {
+    // Core state
+    const config = ref<GitBackupConfig | null>(null)
+    const isPushing = ref(false)
+    const error = ref<string | null>(null)
+    const isInitialized = ref(false)
+    
+    // Backup result states
+    const pushSuccess = ref(false)
+    const pushError = ref(false)
+    
+    // Timers for auto-hiding status icons and error messages
+    let pushStatusTimer: number | null = null
+    let errorTimer: number | null = null
+
+    // 获取configStore
+    const configStore = useConfigStore()
+
+    // Computed properties
+    const isEnabled = computed(() => configStore.config.backup.enabled)
+    const isConfigured = computed(() => configStore.config.backup.repo_url)
+
+    // 清除状态显示
+    const clearPushStatus = () => {
+        if (pushStatusTimer !== null) {
+            window.clearTimeout(pushStatusTimer)
+            pushStatusTimer = null
+        }
+        pushSuccess.value = false
+        pushError.value = false
+    }
+
+    // 清除错误信息
+    const clearError = () => {
+        if (errorTimer !== null) {
+            window.clearTimeout(errorTimer)
+            errorTimer = null
+        }
+        error.value = null
+    }
+
+    // 设置错误信息并自动清除
+    const setErrorWithAutoHide = (errorMessage: string, hideAfter: number = 5000) => {
+        clearError() // 清除之前的错误定时器
+        error.value = errorMessage
+        errorTimer = window.setTimeout(() => {
+            error.value = null
+            errorTimer = null
+        }, hideAfter)
+    }
+
+    // Push to remote repository
+    const pushToRemote = async () => {
+        if (isPushing.value || !isConfigured.value) return
+
+        isPushing.value = true
+        clearError() // 清除之前的错误信息
+        clearPushStatus()
+
+        try {
+            await BackupService.PushToRemote()
+            // 显示成功状态，并设置3秒后自动消失
+            pushSuccess.value = true
+            pushStatusTimer = window.setTimeout(() => {
+                pushSuccess.value = false
+                pushStatusTimer = null
+            }, 3000)
+        } catch (err: any) {
+            setErrorWithAutoHide(err?.message || 'Backup operation failed')
+            // 显示错误状态，并设置3秒后自动消失
+            pushError.value = true
+            pushStatusTimer = window.setTimeout(() => {
+                pushError.value = false
+                pushStatusTimer = null
+            }, 3000)
+        } finally {
+            isPushing.value = false
+        }
+    }
+
+    // 初始化备份服务（只在应用启动时调用一次）
+    const initialize = async () => {
+        if (!isEnabled.value) return
+        
+        // 避免重复初始化
+        if (isInitialized.value) return
+        
+        clearError() // 清除之前的错误信息
+        try {
+            await BackupService.Initialize()
+            isInitialized.value = true
+        } catch (err: any) {
+            setErrorWithAutoHide(err?.message || 'Failed to initialize backup service')
+        }
+    }
+
+
+    return {
+        // State
+        config: readonly(config),
+        isPushing: readonly(isPushing),
+        error: readonly(error),
+        isInitialized: readonly(isInitialized),
+        pushSuccess: readonly(pushSuccess),
+        pushError: readonly(pushError),
+
+        // Computed
+        isEnabled,
+        isConfigured,
+
+        // Methods
+        pushToRemote,
+        initialize,
+        clearError
+    }
+})
\ No newline at end of file
diff --git a/frontend/src/stores/configStore.ts b/frontend/src/stores/configStore.ts
index a5afaf2..5a625d6 100644
--- a/frontend/src/stores/configStore.ts
+++ b/frontend/src/stores/configStore.ts
@@ -11,14 +11,14 @@ import {
     TabType,
     UpdatesConfig,
     UpdateSourceType,
-    GitSyncConfig,
-    AuthMethod,
-    SyncStrategy
+    GitBackupConfig,
+    AuthMethod
 } from '@/../bindings/voidraft/internal/models/models';
 import {useI18n} from 'vue-i18n';
 import {ConfigUtils} from '@/utils/configUtils';
 import {WindowController} from '@/utils/windowController';
 import * as runtime from '@wailsio/runtime';
+import {useBackupStore} from '@/stores/backupStore';
 // 国际化相关导入
 export type SupportedLocaleType = 'zh-CN' | 'en-US';
 
@@ -51,8 +51,8 @@ type UpdatesConfigKeyMap = {
     readonly [K in keyof UpdatesConfig]: string;
 };
 
-type SyncConfigKeyMap = {
-    readonly [K in keyof GitSyncConfig]: string;
+type BackupConfigKeyMap = {
+    readonly [K in keyof GitBackupConfig]: string;
 };
 
 type NumberConfigKey = 'fontSize' | 'tabSize' | 'lineHeight';
@@ -95,22 +95,18 @@ const UPDATES_CONFIG_KEY_MAP: UpdatesConfigKeyMap = {
     gitea: 'updates.gitea'
 } as const;
 
-const SYNC_CONFIG_KEY_MAP: SyncConfigKeyMap = {
-    enabled: 'sync.enabled',
-    repo_url: 'sync.repo_url',
-    branch: 'sync.branch',
-    auth_method: 'sync.auth_method',
-    username: 'sync.username',
-    password: 'sync.password',
-    token: 'sync.token',
-    ssh_key_path: 'sync.ssh_key_path',
-    ssh_key_passphrase: 'sync.ssh_key_passphrase',
-    sync_interval: 'sync.sync_interval',
-    last_sync_time: 'sync.last_sync_time',
-    auto_sync: 'sync.auto_sync',
-    local_repo_path: 'sync.local_repo_path',
-    sync_strategy: 'sync.sync_strategy',
-    files_to_sync: 'sync.files_to_sync'
+const BACKUP_CONFIG_KEY_MAP: BackupConfigKeyMap = {
+    enabled: 'backup.enabled',
+    repo_url: 'backup.repo_url',
+    auth_method: 'backup.auth_method',
+    username: 'backup.username',
+    password: 'backup.password',
+    token: 'backup.token',
+    ssh_key_path: 'backup.ssh_key_path',
+    ssh_key_passphrase: 'backup.ssh_key_passphrase',
+    backup_interval: 'backup.backup_interval',
+    auto_backup: 'backup.auto_backup',
+
 } as const;
 
 // 配置限制
@@ -286,22 +282,17 @@ const DEFAULT_CONFIG: AppConfig = {
             repo: "voidraft",
         }
     },
-    sync: {
+    backup: {
         enabled: false,
         repo_url: "",
-        branch: "main",
-        auth_method: AuthMethod.Token,
+        auth_method: AuthMethod.UserPass,
         username: "",
         password: "",
         token: "",
         ssh_key_path: "",
         ssh_key_passphrase: "",
-        sync_interval: 60,
-        last_sync_time: null,
-        auto_sync: true,
-        local_repo_path: "",
-        sync_strategy: SyncStrategy.LocalFirst,
-        files_to_sync: ["voidraft.db"]
+        backup_interval: 60,
+        auto_backup: true,
     },
     metadata: {
         version: '1.0.0',
@@ -390,19 +381,19 @@ export const useConfigStore = defineStore('config', () => {
         state.config.updates[key] = value;
     };
 
-    const updateSyncConfig = async <K extends keyof GitSyncConfig>(key: K, value: GitSyncConfig[K]): Promise<void> => {
+    const updateBackupConfig = async <K extends keyof GitBackupConfig>(key: K, value: GitBackupConfig[K]): Promise<void> => {
         // 确保配置已加载
         if (!state.configLoaded && !state.isLoading) {
             await initConfig();
         }
 
-        const backendKey = SYNC_CONFIG_KEY_MAP[key];
+        const backendKey = BACKUP_CONFIG_KEY_MAP[key];
         if (!backendKey) {
-            throw new Error(`No backend key mapping found for sync.${key.toString()}`);
+            throw new Error(`No backend key mapping found for backup.${key.toString()}`);
         }
 
         await ConfigService.Set(backendKey, value);
-        state.config.sync[key] = value;
+        state.config.backup[key] = value;
     };
 
     // 加载配置
@@ -419,7 +410,7 @@ export const useConfigStore = defineStore('config', () => {
                 if (appConfig.editing) Object.assign(state.config.editing, appConfig.editing);
                 if (appConfig.appearance) Object.assign(state.config.appearance, appConfig.appearance);
                 if (appConfig.updates) Object.assign(state.config.updates, appConfig.updates);
-                if (appConfig.sync) Object.assign(state.config.sync, appConfig.sync);
+                if (appConfig.backup) Object.assign(state.config.backup, appConfig.backup);
                 if (appConfig.metadata) Object.assign(state.config.metadata, appConfig.metadata);
             }
 
@@ -654,18 +645,16 @@ export const useConfigStore = defineStore('config', () => {
         // 更新配置相关方法
         setAutoUpdate: async (value: boolean) => await updateUpdatesConfig('autoUpdate', value),
 
-        // Git同步配置相关方法
-        setGitSyncEnabled: (value: boolean) => updateSyncConfig('enabled', value),
-        setGitRepoUrl: (value: string) => updateSyncConfig('repo_url', value),
-        setGitBranch: (value: string) => updateSyncConfig('branch', value),
-        setAuthMethod: (value: AuthMethod) => updateSyncConfig('auth_method', value),
-        setGitUsername: (value: string) => updateSyncConfig('username', value),
-        setGitPassword: (value: string) => updateSyncConfig('password', value),
-        setGitToken: (value: string) => updateSyncConfig('token', value),
-        setSSHKeyPath: (value: string) => updateSyncConfig('ssh_key_path', value),
-        setSyncInterval: (value: number) => updateSyncConfig('sync_interval', value),
-        setAutoSync: (value: boolean) => updateSyncConfig('auto_sync', value),
-        setSyncStrategy: (value: SyncStrategy) => updateSyncConfig('sync_strategy', value),
-        setFilesToSync: (value: string[]) => updateSyncConfig('files_to_sync', value),
+        // 备份配置相关方法
+        setEnableBackup: async (value: boolean) => {await updateBackupConfig('enabled', value);},
+        setAutoBackup: async (value: boolean) => {await updateBackupConfig('auto_backup', value);},
+        setRepoUrl: async (value: string) => await updateBackupConfig('repo_url', value),
+        setAuthMethod: async (value: AuthMethod) => await updateBackupConfig('auth_method', value),
+        setUsername: async (value: string) => await updateBackupConfig('username', value),
+        setPassword: async (value: string) => await updateBackupConfig('password', value),
+        setToken: async (value: string) => await updateBackupConfig('token', value),
+        setSshKeyPath: async (value: string) => await updateBackupConfig('ssh_key_path', value),
+        setSshKeyPassphrase: async (value: string) => await updateBackupConfig('ssh_key_passphrase', value),
+        setBackupInterval: async (value: number) => await updateBackupConfig('backup_interval', value),
     };
 });
\ No newline at end of file
diff --git a/frontend/src/views/settings/Settings.vue b/frontend/src/views/settings/Settings.vue
index 382c60f..0553eb7 100644
--- a/frontend/src/views/settings/Settings.vue
+++ b/frontend/src/views/settings/Settings.vue
@@ -13,6 +13,7 @@ const navItems = [
   { id: 'general', icon: '⚙️', route: '/settings/general' },
   { id: 'editing', icon: '✏️', route: '/settings/editing' },
   { id: 'appearance', icon: '🎨', route: '/settings/appearance' },
+  { id: 'backupPage', icon: '🔗', route: '/settings/backup' },
   { id: 'extensions', icon: '🧩', route: '/settings/extensions' },
   { id: 'keyBindings', icon: '⌨️', route: '/settings/key-bindings' },
   { id: 'updates', icon: '🔄', route: '/settings/updates' }
@@ -194,11 +195,11 @@ const goBackToEditor = async () => {
   .settings-content {
     flex: 1;
     height: 100%;
-    padding: 20px;
-    overflow-y: auto;
+    padding: 0 20px;
+    overflow-y: scroll;
     background-color: var(--settings-bg);
   }
 }
 
 
-</style> 
\ No newline at end of file
+</style>
\ No newline at end of file
diff --git a/frontend/src/views/settings/pages/BackupPage.vue b/frontend/src/views/settings/pages/BackupPage.vue
new file mode 100644
index 0000000..7513806
--- /dev/null
+++ b/frontend/src/views/settings/pages/BackupPage.vue
@@ -0,0 +1,503 @@
+<script setup lang="ts">
+import {useConfigStore} from '@/stores/configStore';
+import {useBackupStore} from '@/stores/backupStore';
+import {useI18n} from 'vue-i18n';
+import {computed, onMounted, onUnmounted} from 'vue';
+import SettingSection from '../components/SettingSection.vue';
+import SettingItem from '../components/SettingItem.vue';
+import ToggleSwitch from '../components/ToggleSwitch.vue';
+import {AuthMethod} from '@/../bindings/voidraft/internal/models/models';
+import {DialogService} from '@/../bindings/voidraft/internal/services';
+
+const {t} = useI18n();
+const configStore = useConfigStore();
+const backupStore = useBackupStore();
+
+// 确保配置已加载
+onMounted(async () => {
+  if (!configStore.configLoaded) {
+    await configStore.initConfig();
+  }
+});
+onUnmounted(() => {
+  backupStore.clearError();
+})
+
+// 认证方式选项
+const authMethodOptions = computed(() => [
+  {value: AuthMethod.Token, label: t('settings.backup.authMethods.token')},
+  {value: AuthMethod.SSHKey, label: t('settings.backup.authMethods.sshKey')},
+  {value: AuthMethod.UserPass, label: t('settings.backup.authMethods.userPass')}
+]);
+
+// 备份间隔选项（分钟）
+const backupIntervalOptions = computed(() => [
+  {value: 5, label: t('settings.backup.intervals.5min')},
+  {value: 10, label: t('settings.backup.intervals.10min')},
+  {value: 15, label: t('settings.backup.intervals.15min')},
+  {value: 30, label: t('settings.backup.intervals.30min')},
+  {value: 60, label: t('settings.backup.intervals.1hour')}
+]);
+
+// 计算属性 - 启用备份
+const enableBackup = computed({
+  get: () => configStore.config.backup.enabled,
+  set: (value: boolean) => configStore.setEnableBackup(value)
+});
+
+// 计算属性 - 自动备份
+const autoBackup = computed({
+  get: () => configStore.config.backup.auto_backup,
+  set: (value: boolean) => configStore.setAutoBackup(value)
+});
+
+// 仓库URL
+const repoUrl = computed({
+  get: () => configStore.config.backup.repo_url,
+  set: (value: string) => configStore.setRepoUrl(value)
+});
+
+
+// 认证方式
+const authMethod = computed({
+  get: () => configStore.config.backup.auth_method,
+  set: (value: AuthMethod) => configStore.setAuthMethod(value)
+});
+
+// 备份间隔
+const backupInterval = computed({
+  get: () => configStore.config.backup.backup_interval,
+  set: (value: number) => configStore.setBackupInterval(value)
+});
+
+// 用户名
+const username = computed({
+  get: () => configStore.config.backup.username,
+  set: (value: string) => configStore.setUsername(value)
+});
+
+// 密码
+const password = computed({
+  get: () => configStore.config.backup.password,
+  set: (value: string) => configStore.setPassword(value)
+});
+
+// 访问令牌
+const token = computed({
+  get: () => configStore.config.backup.token,
+  set: (value: string) => configStore.setToken(value)
+});
+
+// SSH密钥路径
+const sshKeyPath = computed({
+  get: () => configStore.config.backup.ssh_key_path,
+  set: (value: string) => configStore.setSshKeyPath(value)
+});
+
+// SSH密钥密码
+const sshKeyPassphrase = computed({
+  get: () => configStore.config.backup.ssh_key_passphrase,
+  set: (value: string) => configStore.setSshKeyPassphrase(value)
+});
+
+// 处理输入变化
+const handleRepoUrlChange = (event: Event) => {
+  const target = event.target as HTMLInputElement;
+  repoUrl.value = target.value;
+};
+
+
+const handleUsernameChange = (event: Event) => {
+  const target = event.target as HTMLInputElement;
+  username.value = target.value;
+};
+
+const handlePasswordChange = (event: Event) => {
+  const target = event.target as HTMLInputElement;
+  password.value = target.value;
+};
+
+const handleTokenChange = (event: Event) => {
+  const target = event.target as HTMLInputElement;
+  token.value = target.value;
+};
+
+const handleSshKeyPassphraseChange = (event: Event) => {
+  const target = event.target as HTMLInputElement;
+  sshKeyPassphrase.value = target.value;
+};
+
+const handleAuthMethodChange = (event: Event) => {
+  const target = event.target as HTMLSelectElement;
+  authMethod.value = target.value as AuthMethod;
+};
+
+const handleBackupIntervalChange = (event: Event) => {
+  const target = event.target as HTMLSelectElement;
+  backupInterval.value = parseInt(target.value);
+};
+
+// 推送到远程
+const pushToRemote = async () => {
+  await backupStore.pushToRemote();
+};
+
+// 选择SSH密钥文件
+const selectSshKeyFile = async () => {
+  // 使用DialogService选择文件
+  const selectedPath = await DialogService.SelectFile();
+  // 检查用户是否取消了选择或路径为空
+  if (!selectedPath.trim()) {
+    return;
+  }
+  // 更新SSH密钥路径
+  sshKeyPath.value = selectedPath.trim();
+};
+</script>
+
+<template>
+  <div class="settings-page">
+    <!-- 基本设置 -->
+    <SettingSection :title="t('settings.backup.basicSettings')">
+      <SettingItem
+          :title="t('settings.backup.enableBackup')"
+      >
+        <ToggleSwitch v-model="enableBackup"/>
+      </SettingItem>
+
+      <SettingItem
+          :title="t('settings.backup.autoBackup')"
+          :class="{ 'disabled-setting': !enableBackup }"
+      >
+        <ToggleSwitch v-model="autoBackup" :disabled="!enableBackup"/>
+      </SettingItem>
+
+      <SettingItem
+          :title="t('settings.backup.backupInterval')"
+          :class="{ 'disabled-setting': !enableBackup || !autoBackup }"
+      >
+        <select
+            class="backup-interval-select"
+            :value="backupInterval"
+            @change="handleBackupIntervalChange"
+            :disabled="!enableBackup || !autoBackup"
+        >
+          <option
+              v-for="option in backupIntervalOptions"
+              :key="option.value"
+              :value="option.value"
+          >
+            {{ option.label }}
+          </option>
+        </select>
+      </SettingItem>
+    </SettingSection>
+
+    <!-- 仓库配置 -->
+    <SettingSection :title="t('settings.backup.repositoryConfig')">
+      <SettingItem
+          :title="t('settings.backup.repoUrl')"
+      >
+        <input
+            type="text"
+            class="repo-url-input"
+            :value="repoUrl"
+            @input="handleRepoUrlChange"
+            :placeholder="t('settings.backup.repoUrlPlaceholder')"
+            :disabled="!enableBackup"
+        />
+      </SettingItem>
+
+
+    </SettingSection>
+
+    <!-- 认证配置 -->
+    <SettingSection :title="t('settings.backup.authConfig')">
+      <SettingItem
+          :title="t('settings.backup.authMethod')"
+      >
+        <select
+            class="auth-method-select"
+            :value="authMethod"
+            @change="handleAuthMethodChange"
+            :disabled="!enableBackup"
+        >
+          <option
+              v-for="option in authMethodOptions"
+              :key="option.value"
+              :value="option.value"
+          >
+            {{ option.label }}
+          </option>
+        </select>
+      </SettingItem>
+
+      <!-- 用户名密码认证 -->
+      <template v-if="authMethod === AuthMethod.UserPass">
+        <SettingItem :title="t('settings.backup.username')">
+          <input
+              type="text"
+              class="username-input"
+              :value="username"
+              @input="handleUsernameChange"
+              :placeholder="t('settings.backup.usernamePlaceholder')"
+              :disabled="!enableBackup"
+          />
+        </SettingItem>
+
+        <SettingItem :title="t('settings.backup.password')">
+          <input
+              type="password"
+              class="password-input"
+              :value="password"
+              @input="handlePasswordChange"
+              :placeholder="t('settings.backup.passwordPlaceholder')"
+              :disabled="!enableBackup"
+          />
+        </SettingItem>
+      </template>
+
+      <!-- 访问令牌认证 -->
+      <template v-if="authMethod === AuthMethod.Token">
+        <SettingItem
+            :title="t('settings.backup.token')"
+        >
+          <input
+              type="password"
+              class="token-input"
+              :value="token"
+              @input="handleTokenChange"
+              :placeholder="t('settings.backup.tokenPlaceholder')"
+              :disabled="!enableBackup"
+          />
+        </SettingItem>
+      </template>
+
+      <!-- SSH密钥认证 -->
+      <template v-if="authMethod === AuthMethod.SSHKey">
+        <SettingItem
+            :title="t('settings.backup.sshKeyPath')"
+        >
+          <input
+              type="text"
+              class="ssh-key-path-input"
+              :value="sshKeyPath"
+              :placeholder="t('settings.backup.sshKeyPathPlaceholder')"
+              :disabled="!enableBackup"
+              readonly
+              @click="enableBackup && selectSshKeyFile()"
+          />
+        </SettingItem>
+
+        <SettingItem
+            :title="t('settings.backup.sshKeyPassphrase')"
+        >
+          <input
+              type="password"
+              class="ssh-passphrase-input"
+              :value="sshKeyPassphrase"
+              @input="handleSshKeyPassphraseChange"
+              :placeholder="t('settings.backup.sshKeyPassphrasePlaceholder')"
+              :disabled="!enableBackup"
+          />
+        </SettingItem>
+      </template>
+    </SettingSection>
+
+    <!-- 备份操作 -->
+    <SettingSection :title="t('settings.backup.backupOperations')">
+      <SettingItem
+          :title="t('settings.backup.pushToRemote')"
+      >
+        <div class="backup-operation-container">
+          <div class="backup-status-icons">
+            <span v-if="backupStore.pushSuccess" class="success-icon">✓</span>
+            <span v-if="backupStore.pushError" class="error-icon">✗</span>
+          </div>
+          <button
+              class="push-button"
+              @click="() => pushToRemote()"
+              :disabled="!enableBackup || !repoUrl || backupStore.isPushing"
+              :class="{ 'backing-up': backupStore.isPushing }"
+          >
+            <span v-if="backupStore.isPushing" class="loading-spinner"></span>
+            {{ backupStore.isPushing ? t('settings.backup.pushing') : t('settings.backup.actions.push') }}
+          </button>
+        </div>
+      </SettingItem>
+      <div v-if="backupStore.error" class="error-message-row">
+        {{ backupStore.error }}
+      </div>
+    </SettingSection>
+  </div>
+</template>
+
+<style scoped lang="scss">
+.settings-page {
+  max-width: 800px;
+}
+
+// 统一的输入控件样式
+.repo-url-input,
+.branch-input,
+.username-input,
+.password-input,
+.token-input,
+.ssh-key-path-input,
+.ssh-passphrase-input,
+.backup-interval-select,
+.auth-method-select {
+  width: 50%;
+  min-width: 200px;
+  padding: 10px 12px;
+  background-color: var(--settings-input-bg);
+  border: 1px solid var(--settings-input-border);
+  border-radius: 4px;
+  color: var(--settings-text);
+  font-size: 12px;
+  transition: all 0.2s ease;
+
+  &:focus {
+    outline: none;
+    border-color: #4a9eff;
+  }
+
+  &:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+    background-color: var(--settings-hover);
+  }
+
+  &::placeholder {
+    color: var(--settings-text-secondary);
+  }
+
+  &[readonly]:not(:disabled) {
+    cursor: pointer;
+
+    &:hover {
+      border-color: var(--settings-hover);
+      background-color: var(--settings-hover);
+    }
+  }
+}
+
+// 选择框特有样式
+.backup-interval-select,
+.auth-method-select {
+  appearance: none;
+  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
+  background-repeat: no-repeat;
+  background-position: right 8px center;
+  background-size: 16px;
+  padding-right: 30px;
+
+  option {
+    background-color: var(--settings-input-bg);
+    color: var(--settings-text);
+  }
+}
+
+// 备份操作容器
+.backup-operation-container {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+// 备份状态图标
+.backup-status-icons {
+  width: 24px;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  margin-right: 8px;
+}
+
+// 成功和错误图标
+.success-icon {
+  color: #4caf50;
+  font-size: 18px;
+  font-weight: bold;
+}
+
+.error-icon {
+  color: #f44336;
+  font-size: 18px;
+  font-weight: bold;
+}
+
+// 按钮样式
+.push-button {
+  padding: 8px 16px;
+  background-color: var(--settings-input-bg);
+  border: 1px solid var(--settings-input-border);
+  border-radius: 4px;
+  color: var(--settings-text);
+  cursor: pointer;
+  font-size: 12px;
+  transition: all 0.2s ease;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+
+  &:hover:not(:disabled) {
+    background-color: var(--settings-hover);
+    border-color: var(--settings-border);
+  }
+
+  &:active:not(:disabled) {
+    transform: translateY(1px);
+  }
+
+  &:disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+  }
+
+  .loading-spinner {
+    display: inline-block;
+    width: 14px;
+    height: 14px;
+    border: 2px solid rgba(255, 255, 255, 0.3);
+    border-radius: 50%;
+    border-top-color: var(--settings-text);
+    animation: spin 1s linear infinite;
+  }
+
+  &.backing-up {
+    background-color: #2196f3;
+    border-color: #2196f3;
+    color: white;
+  }
+}
+
+// 错误信息行样式
+.error-message-row {
+  color: #f44336;
+  font-size: 11px;
+  line-height: 1.4;
+  word-wrap: break-word;
+  margin-top: 8px;
+  padding: 8px 16px;
+  background-color: rgba(244, 67, 54, 0.1);
+  border-left: 3px solid #f44336;
+  border-radius: 4px;
+}
+
+// 禁用状态
+.disabled-setting {
+  opacity: 0.5;
+  pointer-events: none;
+}
+
+// 加载动画
+@keyframes spin {
+  0% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(360deg);
+  }
+}
+</style>
\ No newline at end of file
diff --git a/frontend/src/views/settings/pages/UpdatesPage.vue b/frontend/src/views/settings/pages/UpdatesPage.vue
index 3464ef7..6b0cc31 100644
--- a/frontend/src/views/settings/pages/UpdatesPage.vue
+++ b/frontend/src/views/settings/pages/UpdatesPage.vue
@@ -266,6 +266,7 @@ const currentVersion = computed(() => {
     margin-top: 12px;
     padding-top: 12px;
     border-top: 1px solid var(--settings-border, rgba(0,0,0,0.1));
+    background: transparent;
 
     .notes-title {
       font-size: 12px;
@@ -278,24 +279,76 @@ const currentVersion = computed(() => {
       font-size: 12px;
       color: var(--settings-text);
       line-height: 1.4;
+      background: transparent;
       
       /* Markdown内容样式 */
       :deep(p) {
         margin: 0 0 6px 0;
+        background: transparent;
       }
       
       :deep(ul), :deep(ol) {
         margin: 6px 0;
         padding-left: 16px;
+        background: transparent;
       }
       
       :deep(li) {
         margin-bottom: 4px;
+        background: transparent;
       }
       
       :deep(h1), :deep(h2), :deep(h3), :deep(h4), :deep(h5), :deep(h6) {
         margin: 10px 0 6px 0;
         font-size: 13px;
+        background: transparent;
+      }
+
+      :deep(pre), :deep(code) {
+        background-color: var(--settings-code-bg, rgba(0,0,0,0.05));
+        border-radius: 3px;
+        padding: 2px 4px;
+        font-family: monospace;
+      }
+
+      :deep(pre) {
+        padding: 8px;
+        overflow-x: auto;
+        margin: 6px 0;
+      }
+
+      :deep(blockquote) {
+        border-left: 3px solid var(--settings-border, rgba(0,0,0,0.1));
+        margin: 6px 0;
+        padding-left: 10px;
+        color: var(--settings-text-secondary, #757575);
+        background: transparent;
+      }
+
+      :deep(a) {
+        color: var(--theme-primary, #2196f3);
+        text-decoration: none;
+        
+        &:hover {
+          text-decoration: underline;
+        }
+      }
+
+      :deep(table) {
+        border-collapse: collapse;
+        width: 100%;
+        margin: 6px 0;
+        background: transparent;
+      }
+
+      :deep(th), :deep(td) {
+        border: 1px solid var(--settings-border, rgba(0,0,0,0.1));
+        padding: 4px 8px;
+        background: transparent;
+      }
+
+      :deep(th) {
+        background-color: var(--settings-table-header-bg, rgba(0,0,0,0.02));
       }
     }
   }
diff --git a/go.mod b/go.mod
index 0772b0a..70ec3bb 100644
--- a/go.mod
+++ b/go.mod
@@ -5,15 +5,17 @@ go 1.24.4
 require (
 	github.com/Masterminds/semver/v3 v3.4.0
 	github.com/creativeprojects/go-selfupdate v1.5.0
+	github.com/go-git/go-git/v5 v5.16.2
 	github.com/knadh/koanf/parsers/json v1.0.0
 	github.com/knadh/koanf/providers/file v1.2.0
 	github.com/knadh/koanf/providers/structs v1.0.0
 	github.com/knadh/koanf/v2 v2.2.2
 	github.com/robertkrimen/otto v0.5.1
-	github.com/wailsapp/wails/v3 v3.0.0-alpha.11
+	github.com/wailsapp/wails/v3 v3.0.0-alpha.12
 	golang.org/x/net v0.42.0
 	golang.org/x/sys v0.34.0
 	golang.org/x/text v0.27.0
+	modernc.org/sqlite v1.38.0
 )
 
 require (
@@ -35,9 +37,8 @@ require (
 	github.com/go-fed/httpsig v1.1.0 // indirect
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
 	github.com/go-git/go-billy/v5 v5.6.2 // indirect
-	github.com/go-git/go-git/v5 v5.16.2 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
-	github.com/go-viper/mapstructure/v2 v2.3.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
 	github.com/google/go-github/v30 v30.1.0 // indirect
@@ -82,5 +83,4 @@ require (
 	modernc.org/libc v1.66.3 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
-	modernc.org/sqlite v1.38.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 8a84fd3..f75f4ad 100644
--- a/go.sum
+++ b/go.sum
@@ -58,8 +58,8 @@ github.com/go-git/go-git/v5 v5.16.2 h1:fT6ZIOjE5iEnkzKyxTHK1W4HGAsPhqEqiSAssSO77
 github.com/go-git/go-git/v5 v5.16.2/go.mod h1:4Ge4alE/5gPs30F2H1esi2gPd69R0C39lolkucHBOp8=
 github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
 github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
-github.com/go-viper/mapstructure/v2 v2.3.0 h1:27XbWsHIqhbdR5TIC911OfYvgSaW93HM+dX7970Q7jk=
-github.com/go-viper/mapstructure/v2 v2.3.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
+github.com/go-viper/mapstructure/v2 v2.4.0 h1:EBsztssimR/CONLSZZ04E8qAkxNYq4Qp9LvH92wZUgs=
+github.com/go-viper/mapstructure/v2 v2.4.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
 github.com/godbus/dbus/v5 v5.1.0 h1:4KLkAxT3aOY8Li4FRJe/KvhoNFFxo0m6fNuFUO8QJUk=
 github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 h1:f+oWsMOmNPc8JmEHVZIycC7hBoQxHH9pNKQORJNozsQ=
@@ -164,8 +164,8 @@ github.com/wailsapp/go-webview2 v1.0.21 h1:k3dtoZU4KCoN/AEIbWiPln3P2661GtA2oEgA2
 github.com/wailsapp/go-webview2 v1.0.21/go.mod h1:qJmWAmAmaniuKGZPWwne+uor3AHMB5PFhqiK0Bbj8kc=
 github.com/wailsapp/mimetype v1.4.1 h1:pQN9ycO7uo4vsUUuPeHEYoUkLVkaRntMnHJxVwYhwHs=
 github.com/wailsapp/mimetype v1.4.1/go.mod h1:9aV5k31bBOv5z6u+QP8TltzvNGJPmNJD4XlAL3U+j3o=
-github.com/wailsapp/wails/v3 v3.0.0-alpha.11 h1:MYZk2ci8fBd3loWanLzAYgAFcmq4qTRFyNggVqHMaHY=
-github.com/wailsapp/wails/v3 v3.0.0-alpha.11/go.mod h1:4LCCW7s9e4PuSmu7l9OTvfWIGMO8TaSiftSeR5NpBIc=
+github.com/wailsapp/wails/v3 v3.0.0-alpha.12 h1:z4wYfujk5tSuZXh+59S2DdEncQHG63CW51i2mZFKLS8=
+github.com/wailsapp/wails/v3 v3.0.0-alpha.12/go.mod h1:4LCCW7s9e4PuSmu7l9OTvfWIGMO8TaSiftSeR5NpBIc=
 github.com/xanzy/go-gitlab v0.115.0 h1:6DmtItNcVe+At/liXSgfE/DZNZrGfalQmBRmOcJjOn8=
 github.com/xanzy/go-gitlab v0.115.0/go.mod h1:5XCDtM7AM6WMKmfDdOiEpyRWUqui2iS9ILfvCZ2gJ5M=
 github.com/xanzy/ssh-agent v0.3.3 h1:+/15pJfg/RsTxqYcX6fHqOXZwwMP+2VyYWJeWM2qQFM=
diff --git a/internal/models/backup.go b/internal/models/backup.go
new file mode 100644
index 0000000..1b2cd60
--- /dev/null
+++ b/internal/models/backup.go
@@ -0,0 +1,28 @@
+package models
+
+// Git备份相关类型定义
+type (
+	// AuthMethod 定义Git认证方式
+	AuthMethod string
+)
+
+const (
+	// 认证方式
+	Token    AuthMethod = "token"
+	SSHKey   AuthMethod = "ssh_key"
+	UserPass AuthMethod = "user_pass"
+)
+
+// GitBackupConfig Git备份配置
+type GitBackupConfig struct {
+	Enabled        bool       `json:"enabled"`
+	RepoURL        string     `json:"repo_url"`
+	AuthMethod     AuthMethod `json:"auth_method"`
+	Username       string     `json:"username,omitempty"`
+	Password       string     `json:"password,omitempty"`
+	Token          string     `json:"token,omitempty"`
+	SSHKeyPath     string     `json:"ssh_key_path,omitempty"`
+	SSHKeyPass     string     `json:"ssh_key_passphrase,omitempty"`
+	BackupInterval int        `json:"backup_interval"` // 分钟
+	AutoBackup     bool       `json:"auto_backup"`
+}
diff --git a/internal/models/config.go b/internal/models/config.go
index 7cfeb4c..d2faa00 100644
--- a/internal/models/config.go
+++ b/internal/models/config.go
@@ -124,7 +124,7 @@ type AppConfig struct {
 	Editing    EditingConfig    `json:"editing"`    // 编辑设置
 	Appearance AppearanceConfig `json:"appearance"` // 外观设置
 	Updates    UpdatesConfig    `json:"updates"`    // 更新设置
-	Sync       GitSyncConfig    `json:"sync"`       // Git同步设置
+	Backup     GitBackupConfig  `json:"backup"`     // Git备份设置
 	Metadata   ConfigMetadata   `json:"metadata"`   // 配置元数据
 }
 
@@ -139,7 +139,6 @@ func NewDefaultAppConfig() *AppConfig {
 
 	currentDir, _ := os.UserHomeDir()
 	dataDir := filepath.Join(currentDir, ".voidraft", "data")
-	repoPath := filepath.Join(currentDir, ".voidraft", "sync-repo")
 
 	return &AppConfig{
 		General: GeneralConfig{
@@ -175,10 +174,10 @@ func NewDefaultAppConfig() *AppConfig {
 			CustomTheme: *NewDefaultCustomThemeConfig(),
 		},
 		Updates: UpdatesConfig{
-			Version:            "1.2.0",
+			Version:            "1.3.0",
 			AutoUpdate:         true,
-			PrimarySource:      UpdateSourceGithub,
-			BackupSource:       UpdateSourceGitea,
+			PrimarySource:      UpdateSourceGitea,
+			BackupSource:       UpdateSourceGithub,
 			BackupBeforeUpdate: true,
 			UpdateTimeout:      30,
 			Github: GithubConfig{
@@ -191,21 +190,16 @@ func NewDefaultAppConfig() *AppConfig {
 				Repo:    "voidraft",
 			},
 		},
-		Sync: GitSyncConfig{
-			Enabled:       false,
-			RepoURL:       "",
-			Branch:        "main",
-			AuthMethod:    Token,
-			Username:      "",
-			Password:      "",
-			Token:         "",
-			SSHKeyPath:    "",
-			SyncInterval:  60,
-			LastSyncTime:  time.Time{},
-			AutoSync:      true,
-			LocalRepoPath: repoPath,
-			SyncStrategy:  LocalFirst,
-			FilesToSync:   []string{"voidraft.db"},
+		Backup: GitBackupConfig{
+			Enabled:        false,
+			RepoURL:        "",
+			AuthMethod:     UserPass,
+			Username:       "",
+			Password:       "",
+			Token:          "",
+			SSHKeyPath:     "",
+			BackupInterval: 60,
+			AutoBackup:     false,
 		},
 		Metadata: ConfigMetadata{
 			LastUpdated: time.Now().Format(time.RFC3339),
diff --git a/internal/models/document.go b/internal/models/document.go
index 9b7b71f..19cb317 100644
--- a/internal/models/document.go
+++ b/internal/models/document.go
@@ -11,7 +11,7 @@ type Document struct {
 	Content   string    `json:"content" db:"content"`
 	CreatedAt time.Time `json:"createdAt" db:"created_at"`
 	UpdatedAt time.Time `json:"updatedAt" db:"updated_at"`
-	IsDeleted bool      `json:"is_deleted"`
+	IsDeleted bool      `json:"is_deleted" db:"is_deleted"`
 	IsLocked  bool      `json:"is_locked" db:"is_locked"` // 锁定标志，锁定的文档无法被删除
 }
 
diff --git a/internal/models/sync.go b/internal/models/sync.go
deleted file mode 100644
index f3f6d01..0000000
--- a/internal/models/sync.go
+++ /dev/null
@@ -1,63 +0,0 @@
-package models
-
-import "time"
-
-// AuthMethod 定义Git认证方式
-type AuthMethod string
-
-const (
-	Token    AuthMethod = "token"     // 个人访问令牌
-	SSHKey   AuthMethod = "ssh_key"   // SSH密钥
-	UserPass AuthMethod = "user_pass" // 用户名密码
-)
-
-// SyncStrategy 定义同步策略
-type SyncStrategy string
-
-const (
-	// LocalFirst 本地优先：如有冲突，保留本地修改
-	LocalFirst SyncStrategy = "local_first"
-	// RemoteFirst 远程优先：如有冲突，采用远程版本
-	RemoteFirst SyncStrategy = "remote_first"
-)
-
-// GitSyncConfig 保存Git同步的配置信息
-type GitSyncConfig struct {
-	Enabled          bool         `json:"enabled"`
-	RepoURL          string       `json:"repo_url"`
-	Branch           string       `json:"branch"`
-	AuthMethod       AuthMethod   `json:"auth_method"`
-	Username         string       `json:"username,omitempty"`
-	Password         string       `json:"password,omitempty"`
-	Token            string       `json:"token,omitempty"`
-	SSHKeyPath       string       `json:"ssh_key_path,omitempty"`
-	SSHKeyPassphrase string       `json:"ssh_key_passphrase,omitempty"`
-	SyncInterval     int          `json:"sync_interval"` // 同步间隔（分钟）
-	LastSyncTime     time.Time    `json:"last_sync_time"`
-	AutoSync         bool         `json:"auto_sync"` // 是否启用自动同步
-	LocalRepoPath    string       `json:"local_repo_path"`
-	SyncStrategy     SyncStrategy `json:"sync_strategy"` // 合并冲突策略
-	FilesToSync      []string     `json:"files_to_sync"` // 要同步的文件列表，默认为数据库文件
-}
-
-// GitSyncStatus 保存同步状态信息
-type GitSyncStatus struct {
-	IsSyncing      bool      `json:"is_syncing"`
-	LastSyncTime   time.Time `json:"last_sync_time"`
-	LastSyncStatus string    `json:"last_sync_status"` // success, failed, conflict
-	LastErrorMsg   string    `json:"last_error_msg,omitempty"`
-	LastCommitID   string    `json:"last_commit_id,omitempty"`
-	RemoteCommitID string    `json:"remote_commit_id,omitempty"`
-	CommitAhead    int       `json:"commit_ahead"`  // 本地领先远程的提交数
-	CommitBehind   int       `json:"commit_behind"` // 本地落后远程的提交数
-}
-
-// SyncLogEntry 记录每次同步操作的日志
-type SyncLogEntry struct {
-	ID           int64     `json:"id"`
-	Timestamp    time.Time `json:"timestamp"`
-	Action       string    `json:"action"` // push, pull, reset
-	Status       string    `json:"status"` // success, failed
-	Message      string    `json:"message,omitempty"`
-	ChangedFiles int       `json:"changed_files"`
-}
diff --git a/internal/models/theme.go b/internal/models/theme.go
index 75da5ea..b4260e7 100644
--- a/internal/models/theme.go
+++ b/internal/models/theme.go
@@ -66,9 +66,9 @@ func NewDefaultDarkTheme() ThemeColorConfig {
 		Cursor:           "#ffffff",
 		Selection:        "#0865a9",
 		SelectionBlur:    "#225377",
-		ActiveLine:       "#ffffff",
-		LineNumber:       "#ffffff",
-		ActiveLineNumber: "#ffffff",
+		ActiveLine:       "#ffffff0a",
+		LineNumber:       "#ffffff26",
+		ActiveLineNumber: "#ffffff99",
 
 		// 边框分割线
 		BorderColor: "#1e222a",
@@ -104,17 +104,17 @@ func NewDefaultLightTheme() ThemeColorConfig {
 		Cursor:           "#000000",
 		Selection:        "#77baff",
 		SelectionBlur:    "#b2c2ca",
-		ActiveLine:       "#000000",
-		LineNumber:       "#000000",
-		ActiveLineNumber: "#000000",
+		ActiveLine:       "#0000000a",
+		LineNumber:       "#00000040",
+		ActiveLineNumber: "#000000aa",
 
 		// 边框分割线
 		BorderColor: "#dfdfdf",
-		BorderLight: "#0000000d",
+		BorderLight: "#0000000c",
 
 		// 搜索匹配
 		SearchMatch:     "#005cc5",
-		MatchingBracket: "#0000001a",
+		MatchingBracket: "#00000019",
 	}
 }
 
diff --git a/internal/services/backup_service.go b/internal/services/backup_service.go
new file mode 100644
index 0000000..7220683
--- /dev/null
+++ b/internal/services/backup_service.go
@@ -0,0 +1,388 @@
+package services
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/go-git/go-git/v5"
+	gitConfig "github.com/go-git/go-git/v5/config"
+	"github.com/go-git/go-git/v5/plumbing/object"
+	"github.com/go-git/go-git/v5/plumbing/transport"
+	"github.com/go-git/go-git/v5/plumbing/transport/http"
+	"github.com/go-git/go-git/v5/plumbing/transport/ssh"
+	"github.com/wailsapp/wails/v3/pkg/services/log"
+
+	"voidraft/internal/models"
+
+	_ "modernc.org/sqlite"
+)
+
+const (
+	dbSerializeFile = "voidraft_data.bin"
+)
+
+// BackupService 提供基于Git的备份功能
+type BackupService struct {
+	configService    *ConfigService
+	dbService        *DatabaseService
+	repository       *git.Repository
+	logger           *log.Service
+	isInitialized    bool
+	autoBackupTicker *time.Ticker
+	autoBackupStop   chan bool
+}
+
+// NewBackupService 创建新的备份服务实例
+func NewBackupService(configService *ConfigService, dbService *DatabaseService, logger *log.Service) *BackupService {
+	return &BackupService{
+		configService: configService,
+		dbService:     dbService,
+		logger:        logger,
+	}
+}
+
+// Initialize 初始化备份服务
+func (s *BackupService) Initialize() error {
+	config, repoPath, err := s.getConfigAndPath()
+	if err != nil {
+		return fmt.Errorf("getting backup config: %w", err)
+	}
+
+	if !config.Enabled {
+		return nil
+	}
+
+	// 初始化仓库
+	if err := s.initializeRepository(config, repoPath); err != nil {
+		return fmt.Errorf("initializing repository: %w", err)
+	}
+
+	// 启动自动备份
+	if config.AutoBackup && config.BackupInterval > 0 {
+		s.StartAutoBackup()
+	}
+
+	s.isInitialized = true
+	return nil
+}
+
+// getConfigAndPath 获取备份配置和仓库路径
+func (s *BackupService) getConfigAndPath() (*models.GitBackupConfig, string, error) {
+	appConfig, err := s.configService.GetConfig()
+	if err != nil {
+		return nil, "", fmt.Errorf("getting app config: %w", err)
+	}
+	return &appConfig.Backup, appConfig.General.DataPath, nil
+}
+
+// initializeRepository 初始化或打开Git仓库并设置远程
+func (s *BackupService) initializeRepository(config *models.GitBackupConfig, repoPath string) error {
+
+	// 检查本地仓库是否存在
+	_, err := os.Stat(filepath.Join(repoPath, ".git"))
+	if os.IsNotExist(err) {
+		// 仓库不存在，初始化新仓库
+		repo, err := git.PlainInit(repoPath, false)
+		if err != nil {
+			return fmt.Errorf("error initializing repository: %w", err)
+		}
+		s.repository = repo
+	} else if err != nil {
+		return fmt.Errorf("error checking repository path: %w", err)
+	} else {
+		// 仓库已存在，打开现有仓库
+		repo, err := git.PlainOpen(repoPath)
+		if err != nil {
+			return fmt.Errorf("error opening local repository: %w", err)
+		}
+		s.repository = repo
+	}
+
+	// 设置或更新远程仓库
+	remote, err := s.repository.Remote("origin")
+	if err != nil {
+		if errors.Is(err, git.ErrRemoteNotFound) {
+			// 远程不存在，添加远程
+			_, err = s.repository.CreateRemote(&gitConfig.RemoteConfig{
+				Name: "origin",
+				URLs: []string{config.RepoURL},
+			})
+			if err != nil {
+				return fmt.Errorf("error creating remote: %w", err)
+			}
+		} else {
+			return fmt.Errorf("error getting remote: %w", err)
+		}
+	} else {
+		// 检查远程URL是否一致，如果不一致则更新
+		if len(remote.Config().URLs) > 0 && remote.Config().URLs[0] != config.RepoURL {
+			if err := s.repository.DeleteRemote("origin"); err != nil {
+				return fmt.Errorf("error deleting remote: %w", err)
+			}
+			_, err = s.repository.CreateRemote(&gitConfig.RemoteConfig{
+				Name: "origin",
+				URLs: []string{config.RepoURL},
+			})
+			if err != nil {
+				return fmt.Errorf("error creating new remote: %w", err)
+			}
+		}
+	}
+
+	return nil
+}
+
+// getAuthMethod 根据配置获取认证方法
+func (s *BackupService) getAuthMethod(config *models.GitBackupConfig) (transport.AuthMethod, error) {
+	switch config.AuthMethod {
+	case models.Token:
+		if config.Token == "" {
+			return nil, errors.New("token authentication requires a valid token")
+		}
+		return &http.BasicAuth{
+			Username: "git", // 使用token时，用户名可以是任意值
+			Password: config.Token,
+		}, nil
+
+	case models.UserPass:
+		if config.Username == "" || config.Password == "" {
+			return nil, errors.New("username/password authentication requires both username and password")
+		}
+		return &http.BasicAuth{
+			Username: config.Username,
+			Password: config.Password,
+		}, nil
+
+	case models.SSHKey:
+		if config.SSHKeyPath == "" {
+			return nil, errors.New("SSH key authentication requires a valid SSH key path")
+		}
+		publicKeys, err := ssh.NewPublicKeysFromFile("git", config.SSHKeyPath, config.SSHKeyPass)
+		if err != nil {
+			return nil, fmt.Errorf("error creating SSH public keys: %w", err)
+		}
+		return publicKeys, nil
+
+	default:
+		return nil, fmt.Errorf("unsupported authentication method: %s", config.AuthMethod)
+	}
+}
+
+// serializeDatabase 序列化数据库到文件
+func (s *BackupService) serializeDatabase(repoPath string) error {
+	if s.dbService == nil || s.dbService.db == nil {
+		return errors.New("database service not available")
+	}
+
+	// 获取数据库路径
+	dbPath, err := s.dbService.getDatabasePath()
+	if err != nil {
+		return fmt.Errorf("getting database path: %w", err)
+	}
+
+	// 关闭数据库连接以确保所有更改都写入磁盘
+	if err := s.dbService.ServiceShutdown(); err != nil {
+		s.logger.Error("Failed to close database connection", "error", err)
+	}
+
+	// 直接复制数据库文件到序列化文件
+	dbData, err := os.ReadFile(dbPath)
+	if err != nil {
+		return fmt.Errorf("reading database file: %w", err)
+	}
+
+	binFilePath := filepath.Join(repoPath, dbSerializeFile)
+	if err := os.WriteFile(binFilePath, dbData, 0644); err != nil {
+		return fmt.Errorf("writing serialized database to file: %w", err)
+	}
+
+	// 重新初始化数据库服务
+	if err := s.dbService.initDatabase(); err != nil {
+		return fmt.Errorf("reinitializing database: %w", err)
+	}
+
+	return nil
+}
+
+// PushToRemote 推送本地更改到远程仓库
+func (s *BackupService) PushToRemote() error {
+	if !s.isInitialized {
+		return errors.New("backup service not initialized")
+	}
+
+	config, repoPath, err := s.getConfigAndPath()
+	if err != nil {
+		return fmt.Errorf("getting backup config: %w", err)
+	}
+
+	if !config.Enabled {
+		return errors.New("backup is disabled")
+	}
+
+	// 数据库序列化文件的路径
+	binFilePath := filepath.Join(repoPath, dbSerializeFile)
+
+	// 函数返回前都删除临时文件
+	defer func() {
+		if _, err := os.Stat(binFilePath); err == nil {
+			os.Remove(binFilePath)
+		}
+	}()
+
+	// 序列化数据库
+	if err := s.serializeDatabase(repoPath); err != nil {
+		return fmt.Errorf("serializing database: %w", err)
+	}
+
+	// 获取工作树
+	w, err := s.repository.Worktree()
+	if err != nil {
+		return fmt.Errorf("getting worktree: %w", err)
+	}
+
+	// 添加序列化的数据库文件
+	if _, err := w.Add(dbSerializeFile); err != nil {
+		return fmt.Errorf("adding serialized database file: %w", err)
+	}
+
+	// 检查是否有变化需要提交
+	status, err := w.Status()
+	if err != nil {
+		return fmt.Errorf("getting worktree status: %w", err)
+	}
+
+	// 如果没有变化，直接返回
+	if status.IsClean() {
+		return errors.New("no changes to backup")
+	}
+
+	// 创建提交
+	_, err = w.Commit(fmt.Sprintf("Backup %s", time.Now().Format("2006-01-02 15:04:05")), &git.CommitOptions{
+		Author: &object.Signature{
+			Name:  "VoidRaft",
+			Email: "backup@voidraft.app",
+			When:  time.Now(),
+		},
+	})
+	if err != nil {
+		if strings.Contains(err.Error(), "cannot create empty commit") {
+			return errors.New("no changes to backup")
+		}
+		return fmt.Errorf("creating commit: %w", err)
+	}
+
+	// 获取认证方法并推送到远程
+	auth, err := s.getAuthMethod(config)
+	if err != nil {
+		return fmt.Errorf("getting auth method: %w", err)
+	}
+
+	// 推送到远程仓库
+	if err := s.repository.Push(&git.PushOptions{
+		RemoteName: "origin",
+		Auth:       auth,
+	}); err != nil && !errors.Is(err, git.NoErrAlreadyUpToDate) {
+		// 忽略一些常见的非错误情况
+		if strings.Contains(err.Error(), "clean working tree") ||
+			strings.Contains(err.Error(), "already up-to-date") ||
+			strings.Contains(err.Error(), " clean working tree") ||
+			strings.Contains(err.Error(), "reference not found") {
+			// 更新最后推送时间
+			return errors.New("no changes to backup")
+		}
+		return fmt.Errorf("push failed: %w", err)
+	}
+
+	return nil
+}
+
+// StartAutoBackup 启动自动备份定时器
+func (s *BackupService) StartAutoBackup() error {
+	config, _, err := s.getConfigAndPath()
+	if err != nil {
+		return fmt.Errorf("getting backup config: %w", err)
+	}
+
+	if !config.AutoBackup || config.BackupInterval <= 0 {
+		return nil
+	}
+
+	s.StopAutoBackup()
+
+	// 将秒转换为分钟
+	s.autoBackupTicker = time.NewTicker(time.Duration(config.BackupInterval) * time.Minute)
+	s.autoBackupStop = make(chan bool)
+
+	go func() {
+		for {
+			select {
+			case <-s.autoBackupTicker.C:
+				// 执行推送操作
+				if err := s.PushToRemote(); err != nil {
+					s.logger.Error("Auto backup failed", "error", err)
+				}
+			case <-s.autoBackupStop:
+				return
+			}
+		}
+	}()
+
+	return nil
+}
+
+// StopAutoBackup 停止自动备份
+func (s *BackupService) StopAutoBackup() {
+	if s.autoBackupTicker != nil {
+		s.autoBackupTicker.Stop()
+		s.autoBackupTicker = nil
+	}
+
+	if s.autoBackupStop != nil {
+		close(s.autoBackupStop)
+		s.autoBackupStop = nil
+	}
+}
+
+// Reinitialize 重新初始化备份服务，用于响应配置变更
+func (s *BackupService) Reinitialize() error {
+	// 停止自动备份
+	s.StopAutoBackup()
+
+	// 重新设置标志
+	s.isInitialized = false
+
+	// 重新初始化
+	return s.Initialize()
+}
+
+// HandleConfigChange 处理备份配置变更
+func (s *BackupService) HandleConfigChange(config *models.GitBackupConfig) error {
+
+	// 如果备份功能禁用，只需停止自动备份
+	if !config.Enabled {
+		s.StopAutoBackup()
+		s.isInitialized = false
+		return nil
+	}
+
+	// 如果服务已初始化，重新初始化以应用新配置
+	if s.isInitialized {
+		return s.Reinitialize()
+	}
+
+	// 如果服务未初始化但已启用，则初始化
+	if config.Enabled && !s.isInitialized {
+		return s.Initialize()
+	}
+
+	return nil
+}
+
+// ServiceShutdown 服务关闭时的清理工作
+func (s *BackupService) ServiceShutdown() {
+	s.StopAutoBackup()
+}
diff --git a/internal/services/config_migration_service.go b/internal/services/config_migration_service.go
index 911da2f..ed86289 100644
--- a/internal/services/config_migration_service.go
+++ b/internal/services/config_migration_service.go
@@ -19,7 +19,7 @@ import (
 
 const (
 	// CurrentAppConfigVersion 当前应用配置版本
-	CurrentAppConfigVersion = "1.2.0"
+	CurrentAppConfigVersion = "1.3.0"
 	// BackupFilePattern 备份文件名模式
 	BackupFilePattern = "%s.backup.%s.json"
 
diff --git a/internal/services/config_notification_service.go b/internal/services/config_notification_service.go
index 3258950..c5420c0 100644
--- a/internal/services/config_notification_service.go
+++ b/internal/services/config_notification_service.go
@@ -22,6 +22,8 @@ const (
 	ConfigChangeTypeHotkey ConfigChangeType = "hotkey"
 	// ConfigChangeTypeDataPath 数据路径配置变更
 	ConfigChangeTypeDataPath ConfigChangeType = "datapath"
+	// ConfigChangeTypeBackup 备份配置变更
+	ConfigChangeTypeBackup ConfigChangeType = "backup"
 )
 
 // ConfigChangeCallback 配置变更回调函数类型
@@ -445,6 +447,29 @@ func CreateDataPathListener(name string, callback func() error) *ConfigListener
 	}
 }
 
+// CreateBackupConfigListener 创建备份配置监听器
+func CreateBackupConfigListener(name string, callback func(config *models.GitBackupConfig) error) *ConfigListener {
+	return &ConfigListener{
+		Name:       name,
+		ChangeType: ConfigChangeTypeBackup,
+		Callback: func(changeType ConfigChangeType, oldConfig, newConfig *models.AppConfig) error {
+			if newConfig == nil {
+				defaultConfig := models.NewDefaultAppConfig()
+				return callback(&defaultConfig.Backup)
+			}
+			return callback(&newConfig.Backup)
+		},
+		DebounceDelay: 200 * time.Millisecond,
+		GetConfigFunc: func(k *koanf.Koanf) *models.AppConfig {
+			var config models.AppConfig
+			if err := k.Unmarshal("", &config); err != nil {
+				return nil
+			}
+			return &config
+		},
+	}
+}
+
 // ServiceShutdown 关闭服务
 func (cns *ConfigNotificationService) ServiceShutdown() error {
 	cns.Cleanup()
diff --git a/internal/services/config_service.go b/internal/services/config_service.go
index 5b7ab94..1fdac32 100644
--- a/internal/services/config_service.go
+++ b/internal/services/config_service.go
@@ -298,6 +298,16 @@ func (cs *ConfigService) SetDataPathChangeCallback(callback func() error) error
 	return cs.notificationService.RegisterListener(dataPathListener)
 }
 
+// SetBackupConfigChangeCallback 设置备份配置变更回调
+func (cs *ConfigService) SetBackupConfigChangeCallback(callback func(config *models.GitBackupConfig) error) error {
+	cs.mu.Lock()
+	defer cs.mu.Unlock()
+
+	// 创建备份配置监听器并注册
+	backupListener := CreateBackupConfigListener("DefaultBackupConfigListener", callback)
+	return cs.notificationService.RegisterListener(backupListener)
+}
+
 // ServiceShutdown 关闭服务
 func (cs *ConfigService) ServiceShutdown() error {
 	cs.stopWatching()
diff --git a/internal/services/database_service.go b/internal/services/database_service.go
index 4155eb4..7fc83ec 100644
--- a/internal/services/database_service.go
+++ b/internal/services/database_service.go
@@ -2,18 +2,18 @@ package services
 
 import (
 	"context"
+	"database/sql"
 	"fmt"
 	"os"
 	"path/filepath"
 	"reflect"
-	"strings"
 	"sync"
 	"time"
 	"voidraft/internal/models"
 
 	"github.com/wailsapp/wails/v3/pkg/application"
 	"github.com/wailsapp/wails/v3/pkg/services/log"
-	"github.com/wailsapp/wails/v3/pkg/services/sqlite"
+	_ "modernc.org/sqlite"
 )
 
 const (
@@ -63,20 +63,6 @@ CREATE TABLE IF NOT EXISTS key_bindings (
     updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
     UNIQUE(command, extension)
 )`
-
-	// Git sync logs table
-	sqlCreateSyncLogsTable = `
-CREATE TABLE IF NOT EXISTS sync_logs (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
-    timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
-    action TEXT NOT NULL, 
-    status TEXT NOT NULL,
-    message TEXT,
-    commit_id TEXT,
-    changed_files INTEGER DEFAULT 0,
-    repo_url TEXT NOT NULL,
-    branch TEXT NOT NULL
-)`
 )
 
 // ColumnInfo 存储列的信息
@@ -95,7 +81,7 @@ type TableModel struct {
 type DatabaseService struct {
 	configService *ConfigService
 	logger        *log.Service
-	SQLite        *sqlite.Service
+	db            *sql.DB
 	mu            sync.RWMutex
 	ctx           context.Context
 	tableModels   []TableModel // 注册的表模型
@@ -110,7 +96,6 @@ func NewDatabaseService(configService *ConfigService, logger *log.Service) *Data
 	ds := &DatabaseService{
 		configService: configService,
 		logger:        logger,
-		SQLite:        sqlite.New(),
 	}
 
 	// 注册所有模型
@@ -127,8 +112,6 @@ func (ds *DatabaseService) registerAllModels() {
 	ds.RegisterModel("extensions", &models.Extension{})
 	// 快捷键表
 	ds.RegisterModel("key_bindings", &models.KeyBinding{})
-	// 同步日志表
-	ds.RegisterModel("sync_logs", &models.SyncLogEntry{})
 }
 
 // ServiceStartup initializes the service when the application starts
@@ -150,28 +133,19 @@ func (ds *DatabaseService) initDatabase() error {
 		return fmt.Errorf("failed to create database directory: %w", err)
 	}
 
-	// 检查数据库文件是否存在，如果不存在则创建
-	if _, err := os.Stat(dbPath); os.IsNotExist(err) {
-		// 创建空文件
-		file, err := os.Create(dbPath)
-		if err != nil {
-			return fmt.Errorf("failed to create database file: %w", err)
-		}
-		file.Close()
-	}
-
-	// 配置SQLite服务
-	ds.SQLite.Configure(&sqlite.Config{
-		DBSource: dbPath,
-	})
-
 	// 打开数据库连接
-	if err := ds.SQLite.Open(); err != nil {
+	ds.db, err = sql.Open("sqlite", dbPath)
+	if err != nil {
 		return fmt.Errorf("failed to open database: %w", err)
 	}
 
+	// 测试连接
+	if err := ds.db.Ping(); err != nil {
+		return fmt.Errorf("failed to ping database: %w", err)
+	}
+
 	// 应用性能优化设置
-	if err := ds.SQLite.Execute(sqlOptimizationSettings); err != nil {
+	if _, err := ds.db.Exec(sqlOptimizationSettings); err != nil {
 		return fmt.Errorf("failed to apply optimization settings: %w", err)
 	}
 
@@ -207,11 +181,10 @@ func (ds *DatabaseService) createTables() error {
 		sqlCreateDocumentsTable,
 		sqlCreateExtensionsTable,
 		sqlCreateKeyBindingsTable,
-		sqlCreateSyncLogsTable,
 	}
 
 	for _, table := range tables {
-		if err := ds.SQLite.Execute(table); err != nil {
+		if _, err := ds.db.Exec(table); err != nil {
 			return err
 		}
 	}
@@ -231,14 +204,10 @@ func (ds *DatabaseService) createIndexes() error {
 		`CREATE INDEX IF NOT EXISTS idx_key_bindings_command ON key_bindings(command)`,
 		`CREATE INDEX IF NOT EXISTS idx_key_bindings_extension ON key_bindings(extension)`,
 		`CREATE INDEX IF NOT EXISTS idx_key_bindings_enabled ON key_bindings(enabled)`,
-		// Sync logs indexes
-		`CREATE INDEX IF NOT EXISTS idx_sync_logs_timestamp ON sync_logs(timestamp DESC)`,
-		`CREATE INDEX IF NOT EXISTS idx_sync_logs_action ON sync_logs(action)`,
-		`CREATE INDEX IF NOT EXISTS idx_sync_logs_status ON sync_logs(status)`,
 	}
 
 	for _, index := range indexes {
-		if err := ds.SQLite.Execute(index); err != nil {
+		if _, err := ds.db.Exec(index); err != nil {
 			return err
 		}
 	}
@@ -286,7 +255,7 @@ func (ds *DatabaseService) syncModelTable(tableName string, model interface{}) e
 			// 执行添加列的SQL
 			alterSQL := fmt.Sprintf("ALTER TABLE %s ADD COLUMN %s %s DEFAULT %s",
 				tableName, colName, colInfo.SQLType, colInfo.DefaultValue)
-			if err := ds.SQLite.Execute(alterSQL); err != nil {
+			if _, err := ds.db.Exec(alterSQL); err != nil {
 				return fmt.Errorf("failed to add column %s: %w", colName, err)
 			}
 		}
@@ -298,23 +267,30 @@ func (ds *DatabaseService) syncModelTable(tableName string, model interface{}) e
 // getTableColumns 获取表的列信息
 func (ds *DatabaseService) getTableColumns(table string) (map[string]string, error) {
 	query := fmt.Sprintf("PRAGMA table_info(%s)", table)
-	rows, err := ds.SQLite.Query(query)
+	rows, err := ds.db.Query(query)
 	if err != nil {
 		return nil, err
 	}
+	defer rows.Close()
 
 	columns := make(map[string]string)
-	for _, row := range rows {
-		name, ok1 := row["name"].(string)
-		typeName, ok2 := row["type"].(string)
+	for rows.Next() {
+		var cid int
+		var name, typeName string
+		var notNull, pk int
+		var dflt_value interface{}
 
-		if !ok1 || !ok2 {
-			continue
+		if err := rows.Scan(&cid, &name, &typeName, &notNull, &dflt_value, &pk); err != nil {
+			return nil, err
 		}
 
 		columns[name] = typeName
 	}
 
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+
 	return columns, nil
 }
 
@@ -336,11 +312,11 @@ func (ds *DatabaseService) getModelColumns(model interface{}) (map[string]Column
 	for i := 0; i < t.NumField(); i++ {
 		field := t.Field(i)
 
-		// 获取数据库字段名
+		// 只处理有db标签的字段
 		dbTag := field.Tag.Get("db")
 		if dbTag == "" {
-			// 如果没有db标签，则使用字段名的蛇形命名方式
-			dbTag = toSnakeCase(field.Name)
+			// 如果没有db标签，跳过该字段
+			continue
 		}
 
 		// 获取字段类型对应的SQL类型和默认值
@@ -355,18 +331,6 @@ func (ds *DatabaseService) getModelColumns(model interface{}) (map[string]Column
 	return columns, nil
 }
 
-// toSnakeCase 将驼峰命名转换为蛇形命名
-func toSnakeCase(s string) string {
-	var result strings.Builder
-	for i, r := range s {
-		if i > 0 && 'A' <= r && r <= 'Z' {
-			result.WriteRune('_')
-		}
-		result.WriteRune(r)
-	}
-	return strings.ToLower(result.String())
-}
-
 // getSQLTypeAndDefault 根据Go类型获取对应的SQL类型和默认值
 func getSQLTypeAndDefault(t reflect.Type) (string, string) {
 	switch t.Kind() {
@@ -390,14 +354,19 @@ func getSQLTypeAndDefault(t reflect.Type) (string, string) {
 
 // ServiceShutdown shuts down the service when the application closes
 func (ds *DatabaseService) ServiceShutdown() error {
-	return ds.SQLite.Close()
+	if ds.db != nil {
+		return ds.db.Close()
+	}
+	return nil
 }
 
 // OnDataPathChanged handles data path changes
 func (ds *DatabaseService) OnDataPathChanged() error {
 	// 关闭当前连接
-	if err := ds.SQLite.Close(); err != nil {
-		return err
+	if ds.db != nil {
+		if err := ds.db.Close(); err != nil {
+			return err
+		}
 	}
 
 	// 用新路径重新初始化
diff --git a/internal/services/dialog_service.go b/internal/services/dialog_service.go
index 9af16f3..a113f13 100644
--- a/internal/services/dialog_service.go
+++ b/internal/services/dialog_service.go
@@ -50,7 +50,6 @@ func (ds *DialogService) SelectDirectory() (string, error) {
 
 		// 对话框文本配置
 		Title:      "Select Directory",
-		Message:    "Select the folder where you want to store your app data",
 		ButtonText: "Select",
 
 		// 不设置过滤器，因为我们选择目录
@@ -69,3 +68,44 @@ func (ds *DialogService) SelectDirectory() (string, error) {
 	}
 	return path, nil
 }
+
+// SelectFile 打开文件选择对话框
+func (ds *DialogService) SelectFile() (string, error) {
+	dialog := application.OpenFileDialog()
+	dialog.SetOptions(&application.OpenFileDialogOptions{
+		// 目录选择配置
+		CanChooseDirectories:    false, // 允许选择目录
+		CanChooseFiles:          true,  // 不允许选择文件
+		CanCreateDirectories:    true,  // 允许创建新目录
+		AllowsMultipleSelection: false, // 单选模式
+
+		// 显示配置
+		ShowHiddenFiles:                 true,  // 不显示隐藏文件
+		HideExtension:                   false, // 不隐藏扩展名
+		CanSelectHiddenExtension:        false, // 不允许选择隐藏扩展名
+		TreatsFilePackagesAsDirectories: false, // 不将文件包当作目录处理
+		AllowsOtherFileTypes:            false, // 不允许其他文件类型
+
+		// 系统配置
+		ResolvesAliases: true, // 解析别名/快捷方式
+
+		// 对话框文本配置
+		Title:      "Select File",
+		ButtonText: "Select File",
+
+		// 不设置过滤器，因为我们选择目录
+		Filters: nil,
+
+		// 不指定默认目录，让系统决定
+		Directory: "",
+
+		// 绑定到主窗口
+		Window: ds.window,
+	})
+
+	path, err := dialog.PromptForSingleSelection()
+	if err != nil {
+		return "", err
+	}
+	return path, nil
+}
diff --git a/internal/services/document_service.go b/internal/services/document_service.go
index 16f9c63..fe898dc 100644
--- a/internal/services/document_service.go
+++ b/internal/services/document_service.go
@@ -111,19 +111,15 @@ func (ds *DocumentService) ServiceStartup(ctx context.Context, options applicati
 
 // ensureDefaultDocument ensures a default document exists
 func (ds *DocumentService) ensureDefaultDocument() error {
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return errors.New("database service not available")
+	}
+
 	// Check if any document exists
-	rows, err := ds.databaseService.SQLite.Query(sqlCountDocuments)
+	var count int64
+	err := ds.databaseService.db.QueryRow(sqlCountDocuments).Scan(&count)
 	if err != nil {
-		return err
-	}
-
-	if len(rows) == 0 {
-		return fmt.Errorf("failed to query document count")
-	}
-
-	count, ok := rows[0]["COUNT(*)"].(int64)
-	if !ok {
-		return fmt.Errorf("failed to convert count to int64")
+		return fmt.Errorf("failed to query document count: %w", err)
 	}
 
 	// If no documents exist, create default document
@@ -140,52 +136,42 @@ func (ds *DocumentService) GetDocumentByID(id int64) (*models.Document, error) {
 	ds.mu.RLock()
 	defer ds.mu.RUnlock()
 
-	rows, err := ds.databaseService.SQLite.Query(sqlGetDocumentByID, id)
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return nil, errors.New("database service not available")
+	}
+
+	doc := &models.Document{}
+	var createdAt, updatedAt string
+	var isDeleted, isLocked int
+
+	err := ds.databaseService.db.QueryRow(sqlGetDocumentByID, id).Scan(
+		&doc.ID,
+		&doc.Title,
+		&doc.Content,
+		&createdAt,
+		&updatedAt,
+		&isDeleted,
+		&isLocked,
+	)
+
 	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, nil
+		}
 		return nil, fmt.Errorf("failed to get document by ID: %w", err)
 	}
 
-	if len(rows) == 0 {
-		return nil, nil
+	// 转换时间字段
+	if t, err := time.Parse("2006-01-02 15:04:05", createdAt); err == nil {
+		doc.CreatedAt = t
+	}
+	if t, err := time.Parse("2006-01-02 15:04:05", updatedAt); err == nil {
+		doc.UpdatedAt = t
 	}
 
-	row := rows[0]
-	doc := &models.Document{}
-
-	// 从Row中提取数据
-	if idVal, ok := row["id"].(int64); ok {
-		doc.ID = idVal
-	}
-
-	if title, ok := row["title"].(string); ok {
-		doc.Title = title
-	}
-
-	if content, ok := row["content"].(string); ok {
-		doc.Content = content
-	}
-
-	if createdAt, ok := row["created_at"].(string); ok {
-		t, err := time.Parse("2006-01-02 15:04:05", createdAt)
-		if err == nil {
-			doc.CreatedAt = t
-		}
-	}
-
-	if updatedAt, ok := row["updated_at"].(string); ok {
-		t, err := time.Parse("2006-01-02 15:04:05", updatedAt)
-		if err == nil {
-			doc.UpdatedAt = t
-		}
-	}
-
-	if isDeletedInt, ok := row["is_deleted"].(int64); ok {
-		doc.IsDeleted = isDeletedInt == 1
-	}
-
-	if isLockedInt, ok := row["is_locked"].(int64); ok {
-		doc.IsLocked = isLockedInt == 1
-	}
+	// 转换布尔字段
+	doc.IsDeleted = isDeleted == 1
+	doc.IsLocked = isLocked == 1
 
 	return doc, nil
 }
@@ -195,6 +181,10 @@ func (ds *DocumentService) CreateDocument(title string) (*models.Document, error
 	ds.mu.Lock()
 	defer ds.mu.Unlock()
 
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return nil, errors.New("database service not available")
+	}
+
 	// Create document with default content
 	now := time.Now()
 	doc := &models.Document{
@@ -207,27 +197,18 @@ func (ds *DocumentService) CreateDocument(title string) (*models.Document, error
 	}
 
 	// 执行插入操作
-	if err := ds.databaseService.SQLite.Execute(sqlInsertDocument,
-		doc.Title, doc.Content, doc.CreatedAt, doc.UpdatedAt); err != nil {
+	result, err := ds.databaseService.db.Exec(sqlInsertDocument,
+		doc.Title, doc.Content, doc.CreatedAt.Format("2006-01-02 15:04:05"), doc.UpdatedAt.Format("2006-01-02 15:04:05"))
+	if err != nil {
 		return nil, fmt.Errorf("failed to create document: %w", err)
 	}
 
 	// 获取自增ID
-	lastIDRows, err := ds.databaseService.SQLite.Query("SELECT last_insert_rowid()")
+	lastID, err := result.LastInsertId()
 	if err != nil {
 		return nil, fmt.Errorf("failed to get last insert ID: %w", err)
 	}
 
-	if len(lastIDRows) == 0 {
-		return nil, fmt.Errorf("no rows returned for last insert ID query")
-	}
-
-	// 从结果中提取ID
-	lastID, ok := lastIDRows[0]["last_insert_rowid()"].(int64)
-	if !ok {
-		return nil, fmt.Errorf("failed to convert last insert ID to int64")
-	}
-
 	// 返回带ID的文档
 	doc.ID = lastID
 	return doc, nil
@@ -238,6 +219,10 @@ func (ds *DocumentService) LockDocument(id int64) error {
 	ds.mu.Lock()
 	defer ds.mu.Unlock()
 
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return errors.New("database service not available")
+	}
+
 	// 检查文档是否存在且未删除
 	doc, err := ds.GetDocumentByID(id)
 	if err != nil {
@@ -255,7 +240,7 @@ func (ds *DocumentService) LockDocument(id int64) error {
 		return nil
 	}
 
-	err = ds.databaseService.SQLite.Execute(sqlSetDocumentLocked, time.Now(), id)
+	_, err = ds.databaseService.db.Exec(sqlSetDocumentLocked, time.Now().Format("2006-01-02 15:04:05"), id)
 	if err != nil {
 		return fmt.Errorf("failed to lock document: %w", err)
 	}
@@ -267,6 +252,10 @@ func (ds *DocumentService) UnlockDocument(id int64) error {
 	ds.mu.Lock()
 	defer ds.mu.Unlock()
 
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return errors.New("database service not available")
+	}
+
 	// 检查文档是否存在
 	doc, err := ds.GetDocumentByID(id)
 	if err != nil {
@@ -281,7 +270,7 @@ func (ds *DocumentService) UnlockDocument(id int64) error {
 		return nil
 	}
 
-	err = ds.databaseService.SQLite.Execute(sqlSetDocumentUnlocked, time.Now(), id)
+	_, err = ds.databaseService.db.Exec(sqlSetDocumentUnlocked, time.Now().Format("2006-01-02 15:04:05"), id)
 	if err != nil {
 		return fmt.Errorf("failed to unlock document: %w", err)
 	}
@@ -293,7 +282,11 @@ func (ds *DocumentService) UpdateDocumentContent(id int64, content string) error
 	ds.mu.Lock()
 	defer ds.mu.Unlock()
 
-	err := ds.databaseService.SQLite.Execute(sqlUpdateDocumentContent, content, time.Now(), id)
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return errors.New("database service not available")
+	}
+
+	_, err := ds.databaseService.db.Exec(sqlUpdateDocumentContent, content, time.Now().Format("2006-01-02 15:04:05"), id)
 	if err != nil {
 		return fmt.Errorf("failed to update document content: %w", err)
 	}
@@ -305,7 +298,11 @@ func (ds *DocumentService) UpdateDocumentTitle(id int64, title string) error {
 	ds.mu.Lock()
 	defer ds.mu.Unlock()
 
-	err := ds.databaseService.SQLite.Execute(sqlUpdateDocumentTitle, title, time.Now(), id)
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return errors.New("database service not available")
+	}
+
+	_, err := ds.databaseService.db.Exec(sqlUpdateDocumentTitle, title, time.Now().Format("2006-01-02 15:04:05"), id)
 	if err != nil {
 		return fmt.Errorf("failed to update document title: %w", err)
 	}
@@ -317,6 +314,10 @@ func (ds *DocumentService) DeleteDocument(id int64) error {
 	ds.mu.Lock()
 	defer ds.mu.Unlock()
 
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return errors.New("database service not available")
+	}
+
 	// 不允许删除默认文档
 	if id == sqlDefaultDocumentID {
 		return fmt.Errorf("cannot delete the default document")
@@ -334,7 +335,7 @@ func (ds *DocumentService) DeleteDocument(id int64) error {
 		return fmt.Errorf("cannot delete locked document: %d", id)
 	}
 
-	err = ds.databaseService.SQLite.Execute(sqlMarkDocumentAsDeleted, time.Now(), id)
+	_, err = ds.databaseService.db.Exec(sqlMarkDocumentAsDeleted, time.Now().Format("2006-01-02 15:04:05"), id)
 	if err != nil {
 		return fmt.Errorf("failed to mark document as deleted: %w", err)
 	}
@@ -346,7 +347,11 @@ func (ds *DocumentService) RestoreDocument(id int64) error {
 	ds.mu.Lock()
 	defer ds.mu.Unlock()
 
-	err := ds.databaseService.SQLite.Execute(sqlRestoreDocument, time.Now(), id)
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return errors.New("database service not available")
+	}
+
+	_, err := ds.databaseService.db.Exec(sqlRestoreDocument, time.Now().Format("2006-01-02 15:04:05"), id)
 	if err != nil {
 		return fmt.Errorf("failed to restore document: %w", err)
 	}
@@ -358,44 +363,50 @@ func (ds *DocumentService) ListAllDocumentsMeta() ([]*models.Document, error) {
 	ds.mu.RLock()
 	defer ds.mu.RUnlock()
 
-	rows, err := ds.databaseService.SQLite.Query(sqlListAllDocumentsMeta)
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return nil, errors.New("database service not available")
+	}
+
+	rows, err := ds.databaseService.db.Query(sqlListAllDocumentsMeta)
 	if err != nil {
 		return nil, fmt.Errorf("failed to list document meta: %w", err)
 	}
+	defer rows.Close()
 
 	var documents []*models.Document
-	for _, row := range rows {
+	for rows.Next() {
 		doc := &models.Document{IsDeleted: false}
+		var createdAt, updatedAt string
+		var isLocked int
 
-		if id, ok := row["id"].(int64); ok {
-			doc.ID = id
+		err := rows.Scan(
+			&doc.ID,
+			&doc.Title,
+			&createdAt,
+			&updatedAt,
+			&isLocked,
+		)
+
+		if err != nil {
+			return nil, fmt.Errorf("failed to scan document row: %w", err)
 		}
 
-		if title, ok := row["title"].(string); ok {
-			doc.Title = title
-		}
-
-		if createdAt, ok := row["created_at"].(string); ok {
-			t, err := time.Parse("2006-01-02 15:04:05", createdAt)
-			if err == nil {
-				doc.CreatedAt = t
-			}
-		}
-
-		if updatedAt, ok := row["updated_at"].(string); ok {
-			t, err := time.Parse("2006-01-02 15:04:05", updatedAt)
-			if err == nil {
-				doc.UpdatedAt = t
-			}
-		}
-
-		if isLockedInt, ok := row["is_locked"].(int64); ok {
-			doc.IsLocked = isLockedInt == 1
+		// 转换时间字段
+		if t, err := time.Parse("2006-01-02 15:04:05", createdAt); err == nil {
+			doc.CreatedAt = t
+		}
+		if t, err := time.Parse("2006-01-02 15:04:05", updatedAt); err == nil {
+			doc.UpdatedAt = t
 		}
 
+		doc.IsLocked = isLocked == 1
 		documents = append(documents, doc)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating document rows: %w", err)
+	}
+
 	return documents, nil
 }
 
@@ -404,44 +415,50 @@ func (ds *DocumentService) ListDeletedDocumentsMeta() ([]*models.Document, error
 	ds.mu.RLock()
 	defer ds.mu.RUnlock()
 
-	rows, err := ds.databaseService.SQLite.Query(sqlListDeletedDocumentsMeta)
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return nil, errors.New("database service not available")
+	}
+
+	rows, err := ds.databaseService.db.Query(sqlListDeletedDocumentsMeta)
 	if err != nil {
 		return nil, fmt.Errorf("failed to list deleted document meta: %w", err)
 	}
+	defer rows.Close()
 
 	var documents []*models.Document
-	for _, row := range rows {
+	for rows.Next() {
 		doc := &models.Document{IsDeleted: true}
+		var createdAt, updatedAt string
+		var isLocked int
 
-		if id, ok := row["id"].(int64); ok {
-			doc.ID = id
+		err := rows.Scan(
+			&doc.ID,
+			&doc.Title,
+			&createdAt,
+			&updatedAt,
+			&isLocked,
+		)
+
+		if err != nil {
+			return nil, fmt.Errorf("failed to scan document row: %w", err)
 		}
 
-		if title, ok := row["title"].(string); ok {
-			doc.Title = title
-		}
-
-		if createdAt, ok := row["created_at"].(string); ok {
-			t, err := time.Parse("2006-01-02 15:04:05", createdAt)
-			if err == nil {
-				doc.CreatedAt = t
-			}
-		}
-
-		if updatedAt, ok := row["updated_at"].(string); ok {
-			t, err := time.Parse("2006-01-02 15:04:05", updatedAt)
-			if err == nil {
-				doc.UpdatedAt = t
-			}
-		}
-
-		if isLockedInt, ok := row["is_locked"].(int64); ok {
-			doc.IsLocked = isLockedInt == 1
+		// 转换时间字段
+		if t, err := time.Parse("2006-01-02 15:04:05", createdAt); err == nil {
+			doc.CreatedAt = t
+		}
+		if t, err := time.Parse("2006-01-02 15:04:05", updatedAt); err == nil {
+			doc.UpdatedAt = t
 		}
 
+		doc.IsLocked = isLocked == 1
 		documents = append(documents, doc)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating deleted document rows: %w", err)
+	}
+
 	return documents, nil
 }
 
@@ -450,7 +467,12 @@ func (ds *DocumentService) GetFirstDocumentID() (int64, error) {
 	ds.mu.RLock()
 	defer ds.mu.RUnlock()
 
-	rows, err := ds.databaseService.SQLite.Query(sqlGetFirstDocumentID)
+	if ds.databaseService == nil || ds.databaseService.db == nil {
+		return 0, errors.New("database service not available")
+	}
+
+	var id int64
+	err := ds.databaseService.db.QueryRow(sqlGetFirstDocumentID).Scan(&id)
 	if err != nil {
 		if errors.Is(err, sql.ErrNoRows) {
 			return 0, nil // No documents exist
@@ -458,14 +480,5 @@ func (ds *DocumentService) GetFirstDocumentID() (int64, error) {
 		return 0, fmt.Errorf("failed to get first document ID: %w", err)
 	}
 
-	if len(rows) == 0 {
-		return 0, nil
-	}
-
-	id, ok := rows[0]["id"].(int64)
-	if !ok {
-		return 0, fmt.Errorf("failed to convert ID to int64")
-	}
-
 	return id, nil
 }
diff --git a/internal/services/extension_service.go b/internal/services/extension_service.go
index e73f895..7bbe0ac 100644
--- a/internal/services/extension_service.go
+++ b/internal/services/extension_service.go
@@ -104,21 +104,17 @@ func (es *ExtensionService) initDatabase() error {
 	es.mu.Lock()
 	defer es.mu.Unlock()
 
+	if es.databaseService == nil || es.databaseService.db == nil {
+		return &ExtensionError{"check_db", "", errors.New("database service not available")}
+	}
+
 	// 检查是否已有扩展数据
-	rows, err := es.databaseService.SQLite.Query("SELECT COUNT(*) FROM extensions")
+	var count int64
+	err := es.databaseService.db.QueryRow("SELECT COUNT(*) FROM extensions").Scan(&count)
 	if err != nil {
 		return &ExtensionError{"check_extensions_count", "", err}
 	}
 
-	if len(rows) == 0 {
-		return &ExtensionError{"check_extensions_count", "", fmt.Errorf("no rows returned")}
-	}
-
-	count, ok := rows[0]["COUNT(*)"].(int64)
-	if !ok {
-		return &ExtensionError{"convert_count", "", fmt.Errorf("failed to convert count to int64")}
-	}
-
 	// 如果没有数据，插入默认配置
 	if count == 0 {
 		if err := es.insertDefaultExtensions(); err != nil {
@@ -133,16 +129,15 @@ func (es *ExtensionService) initDatabase() error {
 // insertDefaultExtensions 插入默认扩展配置
 func (es *ExtensionService) insertDefaultExtensions() error {
 	defaultSettings := models.NewDefaultExtensionSettings()
-	now := time.Now()
+	now := time.Now().Format("2006-01-02 15:04:05")
 
 	for _, ext := range defaultSettings.Extensions {
-
 		configJSON, err := json.Marshal(ext.Config)
 		if err != nil {
 			return &ExtensionError{"marshal_config", string(ext.ID), err}
 		}
 
-		err = es.databaseService.SQLite.Execute(sqlInsertExtension,
+		_, err = es.databaseService.db.Exec(sqlInsertExtension,
 			string(ext.ID),
 			ext.Enabled,
 			ext.IsDefault,
@@ -153,7 +148,6 @@ func (es *ExtensionService) insertDefaultExtensions() error {
 		if err != nil {
 			return &ExtensionError{"insert_extension", string(ext.ID), err}
 		}
-
 	}
 
 	return nil
@@ -179,38 +173,51 @@ func (es *ExtensionService) GetAllExtensions() ([]models.Extension, error) {
 	es.mu.RLock()
 	defer es.mu.RUnlock()
 
-	rows, err := es.databaseService.SQLite.Query(sqlGetAllExtensions)
+	if es.databaseService == nil || es.databaseService.db == nil {
+		return nil, &ExtensionError{"query_db", "", errors.New("database service not available")}
+	}
+
+	rows, err := es.databaseService.db.Query(sqlGetAllExtensions)
 	if err != nil {
 		return nil, &ExtensionError{"query_extensions", "", err}
 	}
+	defer rows.Close()
 
 	var extensions []models.Extension
-	for _, row := range rows {
+	for rows.Next() {
 		var ext models.Extension
+		var id string
+		var configJSON string
+		var enabled, isDefault int
 
-		if id, ok := row["id"].(string); ok {
-			ext.ID = models.ExtensionID(id)
+		err := rows.Scan(
+			&id,
+			&enabled,
+			&isDefault,
+			&configJSON,
+		)
+
+		if err != nil {
+			return nil, &ExtensionError{"scan_extension", "", err}
 		}
 
-		if enabled, ok := row["enabled"].(int64); ok {
-			ext.Enabled = enabled == 1
-		}
+		ext.ID = models.ExtensionID(id)
+		ext.Enabled = enabled == 1
+		ext.IsDefault = isDefault == 1
 
-		if isDefault, ok := row["is_default"].(int64); ok {
-			ext.IsDefault = isDefault == 1
-		}
-
-		if configJSON, ok := row["config"].(string); ok {
-			var config models.ExtensionConfig
-			if err := json.Unmarshal([]byte(configJSON), &config); err != nil {
-				return nil, &ExtensionError{"unmarshal_config", string(ext.ID), err}
-			}
-			ext.Config = config
+		var config models.ExtensionConfig
+		if err := json.Unmarshal([]byte(configJSON), &config); err != nil {
+			return nil, &ExtensionError{"unmarshal_config", id, err}
 		}
+		ext.Config = config
 
 		extensions = append(extensions, ext)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, &ExtensionError{"iterate_extensions", "", err}
+	}
+
 	return extensions, nil
 }
 
@@ -224,6 +231,10 @@ func (es *ExtensionService) UpdateExtensionState(id models.ExtensionID, enabled
 	es.mu.Lock()
 	defer es.mu.Unlock()
 
+	if es.databaseService == nil || es.databaseService.db == nil {
+		return &ExtensionError{"check_db", string(id), errors.New("database service not available")}
+	}
+
 	var configJSON []byte
 	var err error
 
@@ -234,24 +245,19 @@ func (es *ExtensionService) UpdateExtensionState(id models.ExtensionID, enabled
 		}
 	} else {
 		// 如果没有提供配置，保持原有配置
-		rows, err := es.databaseService.SQLite.Query("SELECT config FROM extensions WHERE id = ?", string(id))
+		var currentConfigJSON string
+		err := es.databaseService.db.QueryRow("SELECT config FROM extensions WHERE id = ?", string(id)).Scan(&currentConfigJSON)
 		if err != nil {
 			return &ExtensionError{"query_current_config", string(id), err}
 		}
-
-		if len(rows) == 0 {
-			return &ExtensionError{"query_current_config", string(id), fmt.Errorf("extension not found")}
-		}
-
-		currentConfigJSON, ok := rows[0]["config"].(string)
-		if !ok {
-			return &ExtensionError{"convert_config", string(id), fmt.Errorf("failed to get current config")}
-		}
-
 		configJSON = []byte(currentConfigJSON)
 	}
 
-	err = es.databaseService.SQLite.Execute(sqlUpdateExtension, enabled, string(configJSON), time.Now(), string(id))
+	_, err = es.databaseService.db.Exec(sqlUpdateExtension,
+		enabled,
+		string(configJSON),
+		time.Now().Format("2006-01-02 15:04:05"),
+		string(id))
 	if err != nil {
 		return &ExtensionError{"update_extension", string(id), err}
 	}
@@ -276,8 +282,12 @@ func (es *ExtensionService) ResetAllExtensionsToDefault() error {
 	es.mu.Lock()
 	defer es.mu.Unlock()
 
+	if es.databaseService == nil || es.databaseService.db == nil {
+		return &ExtensionError{"check_db", "", errors.New("database service not available")}
+	}
+
 	// 删除所有现有扩展
-	err := es.databaseService.SQLite.Execute(sqlDeleteAllExtensions)
+	_, err := es.databaseService.db.Exec(sqlDeleteAllExtensions)
 	if err != nil {
 		return &ExtensionError{"delete_all_extensions", "", err}
 	}
diff --git a/internal/services/keybinding_service.go b/internal/services/keybinding_service.go
index 3d14059..2e7a858 100644
--- a/internal/services/keybinding_service.go
+++ b/internal/services/keybinding_service.go
@@ -105,21 +105,17 @@ func (kbs *KeyBindingService) initDatabase() error {
 	kbs.mu.Lock()
 	defer kbs.mu.Unlock()
 
+	if kbs.databaseService == nil || kbs.databaseService.db == nil {
+		return &KeyBindingError{"check_db", "", errors.New("database service not available")}
+	}
+
 	// 检查是否已有快捷键数据
-	rows, err := kbs.databaseService.SQLite.Query("SELECT COUNT(*) FROM key_bindings")
+	var count int64
+	err := kbs.databaseService.db.QueryRow("SELECT COUNT(*) FROM key_bindings").Scan(&count)
 	if err != nil {
 		return &KeyBindingError{"check_keybindings_count", "", err}
 	}
 
-	if len(rows) == 0 {
-		return &KeyBindingError{"check_keybindings_count", "", fmt.Errorf("no rows returned")}
-	}
-
-	count, ok := rows[0]["COUNT(*)"].(int64)
-	if !ok {
-		return &KeyBindingError{"convert_count", "", fmt.Errorf("failed to convert count to int64")}
-	}
-
 	// 如果没有数据，插入默认配置
 	if count == 0 {
 		if err := kbs.insertDefaultKeyBindings(); err != nil {
@@ -134,11 +130,10 @@ func (kbs *KeyBindingService) initDatabase() error {
 // insertDefaultKeyBindings 插入默认快捷键配置
 func (kbs *KeyBindingService) insertDefaultKeyBindings() error {
 	defaultConfig := models.NewDefaultKeyBindingConfig()
-	now := time.Now()
+	now := time.Now().Format("2006-01-02 15:04:05")
 
 	for _, kb := range defaultConfig.KeyBindings {
-
-		err := kbs.databaseService.SQLite.Execute(sqlInsertKeyBinding,
+		_, err := kbs.databaseService.db.Exec(sqlInsertKeyBinding,
 			string(kb.Command),   // 转换为字符串存储
 			string(kb.Extension), // 转换为字符串存储
 			kb.Key,
@@ -150,7 +145,6 @@ func (kbs *KeyBindingService) insertDefaultKeyBindings() error {
 		if err != nil {
 			return &KeyBindingError{"insert_keybinding", string(kb.Command), err}
 		}
-
 	}
 
 	return nil
@@ -161,38 +155,46 @@ func (kbs *KeyBindingService) GetAllKeyBindings() ([]models.KeyBinding, error) {
 	kbs.mu.RLock()
 	defer kbs.mu.RUnlock()
 
-	rows, err := kbs.databaseService.SQLite.Query(sqlGetAllKeyBindings)
+	if kbs.databaseService == nil || kbs.databaseService.db == nil {
+		return nil, &KeyBindingError{"query_db", "", errors.New("database service not available")}
+	}
+
+	rows, err := kbs.databaseService.db.Query(sqlGetAllKeyBindings)
 	if err != nil {
 		return nil, &KeyBindingError{"query_keybindings", "", err}
 	}
+	defer rows.Close()
 
 	var keyBindings []models.KeyBinding
-	for _, row := range rows {
+	for rows.Next() {
 		var kb models.KeyBinding
+		var command, extension string
+		var enabled, isDefault int
 
-		if command, ok := row["command"].(string); ok {
-			kb.Command = models.KeyBindingCommand(command)
+		err := rows.Scan(
+			&command,
+			&extension,
+			&kb.Key,
+			&enabled,
+			&isDefault,
+		)
+
+		if err != nil {
+			return nil, &KeyBindingError{"scan_keybinding", "", err}
 		}
 
-		if extension, ok := row["extension"].(string); ok {
-			kb.Extension = models.ExtensionID(extension)
-		}
-
-		if key, ok := row["key"].(string); ok {
-			kb.Key = key
-		}
-
-		if enabled, ok := row["enabled"].(int64); ok {
-			kb.Enabled = enabled == 1
-		}
-
-		if isDefault, ok := row["is_default"].(int64); ok {
-			kb.IsDefault = isDefault == 1
-		}
+		kb.Command = models.KeyBindingCommand(command)
+		kb.Extension = models.ExtensionID(extension)
+		kb.Enabled = enabled == 1
+		kb.IsDefault = isDefault == 1
 
 		keyBindings = append(keyBindings, kb)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, &KeyBindingError{"iterate_keybindings", "", err}
+	}
+
 	return keyBindings, nil
 }
 
diff --git a/internal/services/service_manager.go b/internal/services/service_manager.go
index d488208..b1c5c4d 100644
--- a/internal/services/service_manager.go
+++ b/internal/services/service_manager.go
@@ -5,14 +5,12 @@ import (
 
 	"github.com/wailsapp/wails/v3/pkg/application"
 	"github.com/wailsapp/wails/v3/pkg/services/log"
-	"github.com/wailsapp/wails/v3/pkg/services/sqlite"
 )
 
 // ServiceManager 服务管理器，负责协调各个服务
 type ServiceManager struct {
 	configService      *ConfigService
 	databaseService    *DatabaseService
-	sqliteService      *sqlite.Service
 	documentService    *DocumentService
 	windowService      *WindowService
 	migrationService   *MigrationService
@@ -25,6 +23,7 @@ type ServiceManager struct {
 	startupService     *StartupService
 	selfUpdateService  *SelfUpdateService
 	translationService *TranslationService
+	BackupService      *BackupService
 	logger             *log.Service
 }
 
@@ -36,9 +35,6 @@ func NewServiceManager() *ServiceManager {
 	// 初始化配置服务
 	configService := NewConfigService(logger)
 
-	// 初始化SQLite服务
-	sqliteService := sqlite.New()
-
 	// 初始化数据库服务
 	databaseService := NewDatabaseService(configService, logger)
 
@@ -81,6 +77,9 @@ func NewServiceManager() *ServiceManager {
 	// 初始化翻译服务
 	translationService := NewTranslationService(logger)
 
+	// 初始化备份服务
+	backupService := NewBackupService(configService, databaseService, logger)
+
 	// 使用新的配置通知系统设置热键配置变更监听
 	err = configService.SetHotkeyChangeCallback(func(enable bool, hotkey *models.HotkeyCombo) error {
 		return hotkeyService.UpdateHotkey(enable, hotkey)
@@ -97,10 +96,17 @@ func NewServiceManager() *ServiceManager {
 		panic(err)
 	}
 
+	// 设置备份配置变更监听，处理备份配置变更
+	err = configService.SetBackupConfigChangeCallback(func(config *models.GitBackupConfig) error {
+		return backupService.HandleConfigChange(config)
+	})
+	if err != nil {
+		panic(err)
+	}
+
 	return &ServiceManager{
 		configService:      configService,
 		databaseService:    databaseService,
-		sqliteService:      sqliteService,
 		documentService:    documentService,
 		windowService:      windowService,
 		migrationService:   migrationService,
@@ -113,6 +119,7 @@ func NewServiceManager() *ServiceManager {
 		startupService:     startupService,
 		selfUpdateService:  selfUpdateService,
 		translationService: translationService,
+		BackupService:      backupService,
 		logger:             logger,
 	}
 }
@@ -121,7 +128,6 @@ func NewServiceManager() *ServiceManager {
 func (sm *ServiceManager) GetServices() []application.Service {
 	services := []application.Service{
 		application.NewService(sm.configService),
-		application.NewService(sm.sqliteService),
 		application.NewService(sm.databaseService),
 		application.NewService(sm.documentService),
 		application.NewService(sm.windowService),
@@ -135,6 +141,7 @@ func (sm *ServiceManager) GetServices() []application.Service {
 		application.NewService(sm.startupService),
 		application.NewService(sm.selfUpdateService),
 		application.NewService(sm.translationService),
+		application.NewService(sm.BackupService),
 	}
 	return services
 }
@@ -194,11 +201,6 @@ func (sm *ServiceManager) GetDatabaseService() *DatabaseService {
 	return sm.databaseService
 }
 
-// GetSQLiteService 获取SQLite服务实例
-func (sm *ServiceManager) GetSQLiteService() *sqlite.Service {
-	return sm.sqliteService
-}
-
 // GetWindowService 获取窗口服务实例
 func (sm *ServiceManager) GetWindowService() *WindowService {
 	return sm.windowService