diff --git a/.cursor/rules/thxan-2-cn.mdc b/.cursor/rules/thxan-2-cn.mdc
new file mode 100644
index 0000000..4a29f91
--- /dev/null
+++ b/.cursor/rules/thxan-2-cn.mdc
@@ -0,0 +1,142 @@
+---
+description: THXAN-2-CN
+globs:
+alwaysApply: false
+---
+
+---
+name: AI Chief Architect (AI首席架构师)
+version: 7.3.0
+author: thxan & Gemini
+---
+
+# 核心身份 (Core Identity)
+- 你是一个顶尖的AI首席架构师，你的核心交互界面是IDE。
+- 你的首要任务是通过严谨的、文档驱动的工作流来管理和开发软件项目。
+- 你的每一次操作和决策都必须是可追溯、可审计的。
+
+# 指导原则 (Guiding Principles)
+- **首要原则：文档驱动 (Documentation-Driven)。** 整个项目以`.docs/`目录作为其单一事实来源(Single Source of Truth, SSoT)。对话是临时的，文档是永恒的。你必须通过读写文档来持久化上下文、状态和知识。
+- **第二原则：提案先行 (Proposal-First)。** 对于任何非原子性的复杂任务（如功能开发、重构），必须先生成一份结构化的提案并通过用户审批，才能进入实施阶段。
+- **第三原则：持续自省 (Continuous Introspection)。** 在完成任务后，你必须回顾流程，提炼可复用的模式，并将其固化为新的规则，以实现持续进化。
+
+# 核心机制与工具 (Core Mechanics & Tools)
+- **工具集授权:** 你被授权使用以下工具来与文件系统交互：
+    - `read_file(path)`: 读取指定文件的内容。
+    - `write_file(path, content)`: 将内容写入指定文件，会覆盖原有内容。
+    - `list_files(path)`: 列出指定目录下的文件和文件夹。
+- **状态报告协议:** 在你的每次响应结束时，**必须**附加一行来说明你的当前状态，格式为：`状态: [工作流代码][当前模块代码][子状态]`。例如: `状态: [W2][M4][AwaitingApproval]`.
+- **SSoT 结构:**
+    - **背景上下文位置:** `.docs/`
+    - **启动加载 (MUST LOAD):**
+        - **BOOTLOADER:** `.docs/README-DOCS.md`
+        - **MEMORY:** `.docs/STATE/MEMORY.md`
+        - **RULES:** `.docs/RULES/*` (所有规则文件)
+    - **按需加载 (Optional):** `.docs/*` 下的其他相关文档。
+
+---
+
+# 核心工作流 (Core Workflow)
+这是你的决策核心。你必须首先分析用户请求，并结合项目的当前状态，从以下工作流中选择一个且仅一个来执行，并**在回应的开头明确声明你选择了哪个工作流**。
+
+### **决策触发器 (Decision Triggers):**
+1.  **IF** `BOOTLOADER` 文件不存在
+    * **THEN** 激活 **[W1_ProjectInitialization]**
+2.  **ELSE IF** 用户意图涉及一个需要规划、设计和分步执行的复杂开发或修改任务 (关键词如: "实现", "开发新功能", "重构", "修改需求")
+    * **THEN** 激活 **[W2_ProposalDrivenDevelopment]**
+3.  **ELSE IF** 用户意图是一个可以直接执行的原子性任务 (关键词如: "运行测试", "画架构图", "审计文档", "检查同步")
+    * **THEN** 激活 **[W3_DirectCommandExecution]**
+4.  **ELSE** (对于所有其他情况，如请求模糊不清或前置条件不足)
+    * **THEN** 激活 **[W4_ContextClarification]**
+
+### **工作流定义 (Workflow Definitions):**
+- **[W1_ProjectInitialization]**
+    - **执行模块:** `M1_Project_Onboarding`
+- **[W2_ProposalDrivenDevelopment]**
+    - **执行模块:** `M2_Context_Loading` -> `M4_Analyze_And_Propose` -> `M5_Implement_From_Proposal` -> `M6_Sync_With_Truth` -> `M7_Review_And_Generalize`
+- **[W3_DirectCommandExecution]**
+    - **执行模块:** `M2_Context_Loading` -> (根据用户具体指令选择 `M8_Test_And_Validate`, `M9_Visualize_Architecture`, 或 `M10_Audit_Documentation` 中的一个)
+- **[W4_ContextClarification]**
+    - **执行模块:** `M2_Context_Loading` -> `M3_Clarification_And_Retry` (执行后**必须返回决策触发器**重新开始分析流程)
+
+---
+
+# 核心模块库 (Core Modules Library)
+这是你的能力单元，由上述工作流进行调用。
+
+- **`[M1_Project_Onboarding]`**: 初始化新项目，建立SSoT的基础架构。
+    - [1a] 识别为新项目，进入初始化流程。
+    - [1b] 主动提问以明确项目目标、技术栈。
+    - [1c] 创建`.docs/`目录结构及核心模板。
+    - [1d] 创建`README-DOCS.md`并建立核心“状态基线”文档初稿。
+    - [1e] 调用 `[M11_State_Management]` 初始化并保存初始状态。
+
+- **`[M2_Context_Loading]`**: 在执行任何任务前，加载必要的上下文。
+    - [2a] 调用 `[M11]` 加载当前状态。
+    - [2b] **[必须加载]:** 根据`核心机制与工具`部分的定义，加载所有启动文件。
+    - [2c] **[智能加载]:** 从用户请求中提取关键词，查找并阅读最相关的附加上下文文件。
+    - [2d] 加载完毕后，在内存中形成上下文基准，并更新状态文件。
+
+- **`[M3_Clarification_And_Retry]`**:
+    - [3a] 明确报告哪个任务无法执行，以及缺失了什么具体信息。
+    - [3b] 分析问题原因，并向用户提供一个或多个可执行的、用于解决问题的建议。
+
+- **`[M4_Analyze_And_Propose]`**:
+    - [4a] **意图分析:** 复述核心需求以确认理解。
+    - [4b] **提案驱动协议:** 对于复杂任务，生成一份结构化提案，并等待用户批准。
+        ```mermaid
+        stateDiagram-v2
+            direction LR
+            [*] --> AnalyzingIntent
+            AnalyzingIntent --> GeneratingProposal: on Complex task
+            GeneratingProposal --> AwaitingApproval
+            AwaitingApproval --> Implementing: Approved
+            AwaitingApproval --> GeneratingProposal: Rejected
+            Implementing --> SyncingSSoT
+            SyncingSSoT --> Learning
+            Learning --> [*]
+        ```
+    - [4c] **提案生成:** 调用 `[M12_Generate_File_Creation_Command]` 和 `[M13_Generate_Structured_Proposal]` 创建提案文件并起草内容，然后报告状态为 `[AwaitingApproval]`。
+
+- **`[M5_Implement_From_Proposal]`**:
+    - [5a] 读取用户指定的 `proposal_file`。
+    - [5b] **原子化执行:** 严格按文件中的清单，将“代码-文档-测试”视为不可分割的单元同步完成。
+    - [5c] **状态同步:** 每完成一步，更新提案文件（`[ ]` -> `[x]`）并调用 `[M11]` 保存进度。
+    - [5d] 完成后，自动触发 `[M6]` 和 `[M7]`。
+
+- **`[M6_Sync_With_Truth]`**:
+    - [6a] 分析最近的代码变更集，交叉比对 `.docs/STATE/` 下的基线文档。
+    - [6b] 报告 `[✅ SSoT同步完成]` 或提出 `[⚠️ 关键文档更新]` 建议。
+
+- **`[M7_Review_And_Generalize]`**:
+    - [7a] 分析任务全流程，若发现可复用的模式，主动起草新规则并提请用户批准存入 `.docs/RULES/`。
+
+- **`[M8_Test_And_Validate]`**:
+    - [8a] 分析目标文件，若测试不存在则生成测试骨架。
+    - [8b] 若测试存在，则运行相关测试脚本并报告结果。
+
+- **`[M9_Visualize_Architecture]`**:
+    - [9a] 扫描指定范围代码，识别依赖关系，并使用Mermaid.js语法生成图表。
+    - [9b] 主动询问是否需要将图表保存到 `.docs/ARCHITECTURE/`。
+
+- **`[M10_Audit_Documentation]`**:
+    - [10a] 执行交叉引用分析，生成包含 `[🚫 Missing Docs]`、`[🔗 Broken Links]`、`[⚠️ Stale Docs]`的审计报告。
+
+- **`[M11_State_Management]`**:
+    - [11a] 通过读写 `.docs/STATE/MEMORY.md` 来加载、保存或清理当前任务状态。
+
+- **`[M12_Generate_File_Creation_Command]`**:
+    - [12a] **职责:** 生成一个`bash`命令来创建一个带有标准时间戳的新文件（提案、决策等）。
+    - [12b] **格式:** `touch {base_path}/${prefix}_$(date +%Y%m%d_%H%M%S)_${description}.md`
+    - [12c] **注意:** 命令执行后需捕获并使用该文件名进行后续读写。
+
+- **`[M13_Generate_Structured_Proposal]`**:
+    - [13a] 在指定文件中生成结构化的提案草稿，包含背景、目标、设计方案、风险、测试计划等。
+
+- **`[M14_Self_Correction]`**:
+    - [14a] 当发现自身行为违反`指导原则`时自动触发。
+    - [14b] **立即停止**当前不当任务，**明确承认错误**，并引用违反的原则。
+    - [14c] **重新返回核心工作流**，以正确的流程生成回答。
+
+# **[其他]**
+	** 如果不能确认获取的时间是否正确，请使用命令行 date来获取当前时间
\ No newline at end of file
diff --git a/frontend/bindings/voidraft/internal/models/models.ts b/frontend/bindings/voidraft/internal/models/models.ts
index ccf45d7..8e7823a 100644
--- a/frontend/bindings/voidraft/internal/models/models.ts
+++ b/frontend/bindings/voidraft/internal/models/models.ts
@@ -467,6 +467,17 @@ export class GeneralConfig {
      */
     "startAtLogin": boolean;
 
+    /**
+     * 窗口吸附设置
+     * 是否启用窗口吸附功能
+     */
+    "enableWindowSnap": boolean;
+
+    /**
+     * 吸附距离阈值(像素)
+     */
+    "snapThreshold": number;
+
     /**
      * 全局热键设置
      * 是否启用全局热键
@@ -492,6 +503,12 @@ export class GeneralConfig {
         if (!("startAtLogin" in $$source)) {
             this["startAtLogin"] = false;
         }
+        if (!("enableWindowSnap" in $$source)) {
+            this["enableWindowSnap"] = false;
+        }
+        if (!("snapThreshold" in $$source)) {
+            this["snapThreshold"] = 0;
+        }
         if (!("enableGlobalHotkey" in $$source)) {
             this["enableGlobalHotkey"] = false;
         }
@@ -506,10 +523,10 @@ export class GeneralConfig {
      * Creates a new GeneralConfig instance from a string or object.
      */
     static createFrom($$source: any = {}): GeneralConfig {
-        const $$createField5_0 = $$createType8;
+        const $$createField7_0 = $$createType8;
         let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
         if ("globalHotkey" in $$parsedSource) {
-            $$parsedSource["globalHotkey"] = $$createField5_0($$parsedSource["globalHotkey"]);
+            $$parsedSource["globalHotkey"] = $$createField7_0($$parsedSource["globalHotkey"]);
         }
         return new GeneralConfig($$parsedSource as Partial<GeneralConfig>);
     }
diff --git a/frontend/bindings/voidraft/internal/services/configservice.ts b/frontend/bindings/voidraft/internal/services/configservice.ts
index 050051f..f61248e 100644
--- a/frontend/bindings/voidraft/internal/services/configservice.ts
+++ b/frontend/bindings/voidraft/internal/services/configservice.ts
@@ -82,6 +82,14 @@ export function SetHotkeyChangeCallback(callback: any): Promise<void> & { cancel
     return $resultPromise;
 }
 
+/**
+ * SetWindowSnapConfigChangeCallback 设置窗口吸附配置变更回调
+ */
+export function SetWindowSnapConfigChangeCallback(callback: any): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2324961653, callback) as any;
+    return $resultPromise;
+}
+
 // Private type creation functions
 const $$createType0 = models$0.AppConfig.createFrom;
 const $$createType1 = $Create.Nullable($$createType0);
diff --git a/frontend/bindings/voidraft/internal/services/index.ts b/frontend/bindings/voidraft/internal/services/index.ts
index 92c9ff0..4e0dafe 100644
--- a/frontend/bindings/voidraft/internal/services/index.ts
+++ b/frontend/bindings/voidraft/internal/services/index.ts
@@ -17,6 +17,7 @@ import * as ThemeService from "./themeservice.js";
 import * as TranslationService from "./translationservice.js";
 import * as TrayService from "./trayservice.js";
 import * as WindowService from "./windowservice.js";
+import * as WindowSnapService from "./windowsnapservice.js";
 export {
     BackupService,
     ConfigService,
@@ -33,7 +34,8 @@ export {
     ThemeService,
     TranslationService,
     TrayService,
-    WindowService
+    WindowService,
+    WindowSnapService
 };
 
 export * from "./models.js";
diff --git a/frontend/bindings/voidraft/internal/services/models.ts b/frontend/bindings/voidraft/internal/services/models.ts
index f034164..0aa520b 100644
--- a/frontend/bindings/voidraft/internal/services/models.ts
+++ b/frontend/bindings/voidraft/internal/services/models.ts
@@ -203,7 +203,7 @@ export class SelfUpdateResult {
 }
 
 /**
- * WindowInfo 窗口信息
+ * WindowInfo 窗口信息（简化版）
  */
 export class WindowInfo {
     "Window": application$0.WebviewWindow | null;
@@ -238,6 +238,26 @@ export class WindowInfo {
     }
 }
 
+/**
+ * WindowSnapService 窗口吸附服务
+ */
+export class WindowSnapService {
+
+    /** Creates a new WindowSnapService instance. */
+    constructor($$source: Partial<WindowSnapService> = {}) {
+
+        Object.assign(this, $$source);
+    }
+
+    /**
+     * Creates a new WindowSnapService instance from a string or object.
+     */
+    static createFrom($$source: any = {}): WindowSnapService {
+        let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
+        return new WindowSnapService($$parsedSource as Partial<WindowSnapService>);
+    }
+}
+
 // Private type creation functions
 const $$createType0 = application$0.WebviewWindow.createFrom;
 const $$createType1 = $Create.Nullable($$createType0);
diff --git a/frontend/bindings/voidraft/internal/services/windowservice.ts b/frontend/bindings/voidraft/internal/services/windowservice.ts
index 01a7db2..b3b9bd1 100644
--- a/frontend/bindings/voidraft/internal/services/windowservice.ts
+++ b/frontend/bindings/voidraft/internal/services/windowservice.ts
@@ -2,7 +2,7 @@
 // This file is automatically generated. DO NOT EDIT
 
 /**
- * WindowService 窗口管理服务
+ * WindowService 窗口管理服务（专注于窗口生命周期管理）
  * @module
  */
 
@@ -46,6 +46,14 @@ export function OpenDocumentWindow(documentID: number): Promise<void> & { cancel
     return $resultPromise;
 }
 
+/**
+ * ServiceShutdown 实现服务关闭接口
+ */
+export function ServiceShutdown(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(202192783) as any;
+    return $resultPromise;
+}
+
 /**
  * SetAppReferences 设置应用和主窗口引用
  */
@@ -54,6 +62,14 @@ export function SetAppReferences(app: application$0.App | null, mainWindow: appl
     return $resultPromise;
 }
 
+/**
+ * SetWindowSnapService 设置窗口吸附服务引用
+ */
+export function SetWindowSnapService(snapService: $models.WindowSnapService | null): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(1105193745, snapService) as any;
+    return $resultPromise;
+}
+
 // Private type creation functions
 const $$createType0 = $models.WindowInfo.createFrom;
 const $$createType1 = $Create.Array($$createType0);
diff --git a/frontend/bindings/voidraft/internal/services/windowsnapservice.ts b/frontend/bindings/voidraft/internal/services/windowsnapservice.ts
new file mode 100644
index 0000000..160fb4f
--- /dev/null
+++ b/frontend/bindings/voidraft/internal/services/windowsnapservice.ts
@@ -0,0 +1,87 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+/**
+ * WindowSnapService 窗口吸附服务
+ * @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 application$0 from "../../../github.com/wailsapp/wails/v3/pkg/application/models.js";
+
+/**
+ * Cleanup 清理资源
+ */
+export function Cleanup(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2155505498) as any;
+    return $resultPromise;
+}
+
+/**
+ * OnWindowSnapConfigChanged 处理窗口吸附配置变更
+ */
+export function OnWindowSnapConfigChanged(enabled: boolean, threshold: number): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3794787039, enabled, threshold) as any;
+    return $resultPromise;
+}
+
+/**
+ * RegisterWindow 注册需要吸附管理的窗口
+ */
+export function RegisterWindow(documentID: number, window: application$0.WebviewWindow | null, title: string): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(1000222723, documentID, window, title) as any;
+    return $resultPromise;
+}
+
+/**
+ * ServiceShutdown 实现服务关闭接口
+ */
+export function ServiceShutdown(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(1172710495) as any;
+    return $resultPromise;
+}
+
+/**
+ * SetAppReferences 设置应用和主窗口引用
+ */
+export function SetAppReferences(app: application$0.App | null, mainWindow: application$0.WebviewWindow | null): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(1782093351, app, mainWindow) as any;
+    return $resultPromise;
+}
+
+/**
+ * SetSnapEnabled 设置是否启用窗口吸附
+ */
+export function SetSnapEnabled(enabled: boolean): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2280126835, enabled) as any;
+    return $resultPromise;
+}
+
+/**
+ * SetSnapThreshold 设置窗口吸附阈值
+ */
+export function SetSnapThreshold(threshold: number): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(586790049, threshold) as any;
+    return $resultPromise;
+}
+
+/**
+ * StartWindowSnapMonitor 启动窗口吸附监听器
+ */
+export function StartWindowSnapMonitor(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(84533508) as any;
+    return $resultPromise;
+}
+
+/**
+ * UnregisterWindow 取消注册窗口
+ */
+export function UnregisterWindow(documentID: number): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2844230768, documentID) as any;
+    return $resultPromise;
+}
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 2d145d5..1cf7b20 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -52,27 +52,27 @@
         "prettier": "^3.6.2",
         "remarkable": "^2.0.1",
         "sass": "^1.90.0",
-        "vue": "^3.5.18",
+        "vue": "^3.5.19",
         "vue-i18n": "^11.1.11",
         "vue-pick-colors": "^1.8.0",
         "vue-router": "^4.5.1"
       },
       "devDependencies": {
-        "@eslint/js": "^9.33.0",
+        "@eslint/js": "^9.34.0",
         "@lezer/generator": "^1.8.0",
         "@types/node": "^24.3.0",
         "@types/remarkable": "^2.0.8",
         "@vitejs/plugin-vue": "^6.0.1",
         "@wailsio/runtime": "latest",
-        "eslint": "^9.33.0",
+        "eslint": "^9.34.0",
         "eslint-plugin-vue": "^10.4.0",
         "globals": "^16.3.0",
         "typescript": "^5.9.2",
-        "typescript-eslint": "^8.39.1",
+        "typescript-eslint": "^8.40.0",
         "unplugin-vue-components": "^29.0.0",
-        "vite": "^7.1.2",
+        "vite": "^7.1.3",
         "vue-eslint-parser": "^10.2.0",
-        "vue-tsc": "^3.0.5"
+        "vue-tsc": "^3.0.6"
       }
     },
     "node_modules/@babel/helper-string-parser": {
@@ -1060,9 +1060,9 @@
       }
     },
     "node_modules/@eslint/js": {
-      "version": "9.33.0",
-      "resolved": "https://registry.npmmirror.com/@eslint/js/-/js-9.33.0.tgz",
-      "integrity": "sha512-5K1/mKhWaMfreBGJTwval43JJmkip0RmM+3+IuqupeSKNC/Th2Kc7ucaq5ovTSra/OOKB9c58CGSz3QMVbWt0A==",
+      "version": "9.34.0",
+      "resolved": "https://registry.npmmirror.com/@eslint/js/-/js-9.34.0.tgz",
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     },
     "node_modules/@vue/reactivity": {
-      "version": "3.5.18",
-      "resolved": "https://registry.npmmirror.com/@vue/reactivity/-/reactivity-3.5.18.tgz",
-      "integrity": "sha512-x0vPO5Imw+3sChLM5Y+B6G1zPjwdOri9e8V21NnTnlEvkxatHEH5B5KEAJcjuzQ7BsjGrKtfzuQ5eQwXh8HXBg==",
+      "version": "3.5.19",
+      "resolved": "https://registry.npmmirror.com/@vue/reactivity/-/reactivity-3.5.19.tgz",
+      "integrity": "sha512-4bueZg2qs5MSsK2dQk3sssV0cfvxb/QZntTC8v7J448GLgmfPkQ+27aDjlt40+XFqOwUq5yRxK5uQh14Fc9eVA==",
       "license": "MIT",
       "dependencies": {
-        "@vue/shared": "3.5.18"
+        "@vue/shared": "3.5.19"
       }
     },
     "node_modules/@vue/runtime-core": {
-      "version": "3.5.18",
-      "resolved": "https://registry.npmmirror.com/@vue/runtime-core/-/runtime-core-3.5.18.tgz",
-      "integrity": "sha512-DUpHa1HpeOQEt6+3nheUfqVXRog2kivkXHUhoqJiKR33SO4x+a5uNOMkV487WPerQkL0vUuRvq/7JhRgLW3S+w==",
+      "version": "3.5.19",
+      "resolved": "https://registry.npmmirror.com/@vue/runtime-core/-/runtime-core-3.5.19.tgz",
+      "integrity": "sha512-TaooCr8Hge1sWjLSyhdubnuofs3shhzZGfyD11gFolZrny76drPwBVQj28/z/4+msSFb18tOIg6VVVgf9/IbIA==",
       "license": "MIT",
       "dependencies": {
-        "@vue/reactivity": "3.5.18",
-        "@vue/shared": "3.5.18"
+        "@vue/reactivity": "3.5.19",
+        "@vue/shared": "3.5.19"
       }
     },
     "node_modules/@vue/runtime-dom": {
-      "version": "3.5.18",
-      "resolved": "https://registry.npmmirror.com/@vue/runtime-dom/-/runtime-dom-3.5.18.tgz",
-      "integrity": "sha512-YwDj71iV05j4RnzZnZtGaXwPoUWeRsqinblgVJwR8XTXYZ9D5PbahHQgsbmzUvCWNF6x7siQ89HgnX5eWkr3mw==",
+      "version": "3.5.19",
+      "resolved": "https://registry.npmmirror.com/@vue/runtime-dom/-/runtime-dom-3.5.19.tgz",
+      "integrity": "sha512-qmahqeok6ztuUTmV8lqd7N9ymbBzctNF885n8gL3xdCC1u2RnM/coX16Via0AiONQXUoYpxPojL3U1IsDgSWUQ==",
       "license": "MIT",
       "dependencies": {
-        "@vue/reactivity": "3.5.18",
-        "@vue/runtime-core": "3.5.18",
-        "@vue/shared": "3.5.18",
+        "@vue/reactivity": "3.5.19",
+        "@vue/runtime-core": "3.5.19",
+        "@vue/shared": "3.5.19",
         "csstype": "^3.1.3"
       }
     },
     "node_modules/@vue/server-renderer": {
-      "version": "3.5.18",
-      "resolved": "https://registry.npmmirror.com/@vue/server-renderer/-/server-renderer-3.5.18.tgz",
-      "integrity": "sha512-PvIHLUoWgSbDG7zLHqSqaCoZvHi6NNmfVFOqO+OnwvqMz/tqQr3FuGWS8ufluNddk7ZLBJYMrjcw1c6XzR12mA==",
+      "version": "3.5.19",
+      "resolved": "https://registry.npmmirror.com/@vue/server-renderer/-/server-renderer-3.5.19.tgz",
+      "integrity": "sha512-ZJ/zV9SQuaIO+BEEVq/2a6fipyrSYfjKMU3267bPUk+oTx/hZq3RzV7VCh0Unlppt39Bvh6+NzxeopIFv4HJNg==",
       "license": "MIT",
       "dependencies": {
-        "@vue/compiler-ssr": "3.5.18",
-        "@vue/shared": "3.5.18"
+        "@vue/compiler-ssr": "3.5.19",
+        "@vue/shared": "3.5.19"
       },
       "peerDependencies": {
-        "vue": "3.5.18"
+        "vue": "3.5.19"
       }
     },
     "node_modules/@vue/shared": {
-      "version": "3.5.18",
-      "resolved": "https://registry.npmmirror.com/@vue/shared/-/shared-3.5.18.tgz",
-      "integrity": "sha512-cZy8Dq+uuIXbxCZpuLd2GJdeSO/lIzIspC2WtkqIpje5QyFbvLaI5wZtdUjLHjGZrlVX6GilejatWwVYYRc8tA==",
+      "version": "3.5.19",
+      "resolved": "https://registry.npmmirror.com/@vue/shared/-/shared-3.5.19.tgz",
+      "integrity": "sha512-IhXCOn08wgKrLQxRFKKlSacWg4Goi1BolrdEeLYn6tgHjJNXVrWJ5nzoxZqNwl5p88aLlQ8LOaoMa3AYvaKJ/Q==",
       "license": "MIT"
     },
     "node_modules/@wailsio/runtime": {
@@ -2661,9 +2661,9 @@
       }
     },
     "node_modules/alien-signals": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmmirror.com/alien-signals/-/alien-signals-2.0.6.tgz",
-      "integrity": "sha512-P3TxJSe31bUHBiblg59oU1PpaWPtmxF9GhJ/cB7OkgJ0qN/ifFSKUI25/v8ZhsT+lIG6ac8DpTOplXxORX6F3Q==",
+      "version": "2.0.7",
+      "resolved": "https://registry.npmmirror.com/alien-signals/-/alien-signals-2.0.7.tgz",
+      "integrity": "sha512-wE7y3jmYeb0+h6mr5BOovuqhFv22O/MV9j5p0ndJsa7z1zJNPGQ4ph5pQk/kTTCWRC3xsA4SmtwmkzQO+7NCNg==",
       "dev": true,
       "license": "MIT"
     },
@@ -3166,9 +3166,9 @@
       }
     },
     "node_modules/eslint": {
-      "version": "9.33.0",
-      "resolved": "https://registry.npmmirror.com/eslint/-/eslint-9.33.0.tgz",
-      "integrity": "sha512-TS9bTNIryDzStCpJN93aC5VRSW3uTx9sClUn4B87pwiCaJh220otoI0X8mJKr+VcPtniMdN8GKjlwgWGUv5ZKA==",
+      "version": "9.34.0",
+      "resolved": "https://registry.npmmirror.com/eslint/-/eslint-9.34.0.tgz",
+      "integrity": "sha512-RNCHRX5EwdrESy3Jc9o8ie8Bog+PeYvvSR8sDGoZxNFTvZ4dlxUB3WzQ3bQMztFrSRODGrLLj8g6OFuGY/aiQg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -3178,7 +3178,7 @@
         "@eslint/config-helpers": "^0.3.1",
         "@eslint/core": "^0.15.2",
         "@eslint/eslintrc": "^3.3.1",
-        "@eslint/js": "9.33.0",
+        "@eslint/js": "9.34.0",
         "@eslint/plugin-kit": "^0.3.5",
         "@humanfs/node": "^0.16.6",
         "@humanwhocodes/module-importer": "^1.0.1",
@@ -4794,16 +4794,16 @@
       }
     },
     "node_modules/typescript-eslint": {
-      "version": "8.39.1",
-      "resolved": "https://registry.npmmirror.com/typescript-eslint/-/typescript-eslint-8.39.1.tgz",
-      "integrity": "sha512-GDUv6/NDYngUlNvwaHM1RamYftxf782IyEDbdj3SeaIHHv8fNQVRC++fITT7kUJV/5rIA/tkoRSSskt6osEfqg==",
+      "version": "8.40.0",
+      "resolved": "https://registry.npmmirror.com/typescript-eslint/-/typescript-eslint-8.40.0.tgz",
+      "integrity": "sha512-Xvd2l+ZmFDPEt4oj1QEXzA4A2uUK6opvKu3eGN9aGjB8au02lIVcLyi375w94hHyejTOmzIU77L8ol2sRg9n7Q==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/eslint-plugin": "8.39.1",
-        "@typescript-eslint/parser": "8.39.1",
-        "@typescript-eslint/typescript-estree": "8.39.1",
-        "@typescript-eslint/utils": "8.39.1"
+        "@typescript-eslint/eslint-plugin": "8.40.0",
+        "@typescript-eslint/parser": "8.40.0",
+        "@typescript-eslint/typescript-estree": "8.40.0",
+        "@typescript-eslint/utils": "8.40.0"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -5103,14 +5103,14 @@
       "license": "MIT"
     },
     "node_modules/vite": {
-      "version": "7.1.2",
-      "resolved": "https://registry.npmmirror.com/vite/-/vite-7.1.2.tgz",
-      "integrity": "sha512-J0SQBPlQiEXAF7tajiH+rUooJPo0l8KQgyg4/aMunNtrOa7bwuZJsJbDWzeljqQpgftxuq5yNJxQ91O9ts29UQ==",
+      "version": "7.1.3",
+      "resolved": "https://registry.npmmirror.com/vite/-/vite-7.1.3.tgz",
+      "integrity": "sha512-OOUi5zjkDxYrKhTV3V7iKsoS37VUM7v40+HuwEmcrsf11Cdx9y3DIr2Px6liIcZFwt3XSRpQvFpL3WVy7ApkGw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "esbuild": "^0.25.0",
-        "fdir": "^6.4.6",
+        "fdir": "^6.5.0",
         "picomatch": "^4.0.3",
         "postcss": "^8.5.6",
         "rollup": "^4.43.0",
@@ -5178,11 +5178,14 @@
       }
     },
     "node_modules/vite/node_modules/fdir": {
-      "version": "6.4.6",
-      "resolved": "https://registry.npmmirror.com/fdir/-/fdir-6.4.6.tgz",
-      "integrity": "sha512-hiFoqpyZcfNm1yc4u8oWCf9A2c4D3QjCrks3zmoVKVxpQRzmPNar1hUJcBG2RQHvEVGDN+Jm81ZheVLAQMK6+w==",
+      "version": "6.5.0",
+      "resolved": "https://registry.npmmirror.com/fdir/-/fdir-6.5.0.tgz",
+      "integrity": "sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==",
       "dev": true,
       "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      },
       "peerDependencies": {
         "picomatch": "^3 || ^4"
       },
@@ -5213,16 +5216,16 @@
       "license": "MIT"
     },
     "node_modules/vue": {
-      "version": "3.5.18",
-      "resolved": "https://registry.npmmirror.com/vue/-/vue-3.5.18.tgz",
-      "integrity": "sha512-7W4Y4ZbMiQ3SEo+m9lnoNpV9xG7QVMLa+/0RFwwiAVkeYoyGXqWE85jabU4pllJNUzqfLShJ5YLptewhCWUgNA==",
+      "version": "3.5.19",
+      "resolved": "https://registry.npmmirror.com/vue/-/vue-3.5.19.tgz",
+      "integrity": "sha512-ZRh0HTmw6KChRYWgN8Ox/wi7VhpuGlvMPrHjIsdRbzKNgECFLzy+dKL5z9yGaBSjCpmcfJCbh3I1tNSRmBz2tg==",
       "license": "MIT",
       "dependencies": {
-        "@vue/compiler-dom": "3.5.18",
-        "@vue/compiler-sfc": "3.5.18",
-        "@vue/runtime-dom": "3.5.18",
-        "@vue/server-renderer": "3.5.18",
-        "@vue/shared": "3.5.18"
+        "@vue/compiler-dom": "3.5.19",
+        "@vue/compiler-sfc": "3.5.19",
+        "@vue/runtime-dom": "3.5.19",
+        "@vue/server-renderer": "3.5.19",
+        "@vue/shared": "3.5.19"
       },
       "peerDependencies": {
         "typescript": "*"
@@ -5318,14 +5321,14 @@
       "license": "MIT"
     },
     "node_modules/vue-tsc": {
-      "version": "3.0.5",
-      "resolved": "https://registry.npmmirror.com/vue-tsc/-/vue-tsc-3.0.5.tgz",
-      "integrity": "sha512-PsTFN9lo1HJCrZw9NoqjYcAbYDXY0cOKyuW2E7naX5jcaVyWpqEsZOHN9Dws5890E8e5SDAD4L4Zam3dxG3/Cw==",
+      "version": "3.0.6",
+      "resolved": "https://registry.npmmirror.com/vue-tsc/-/vue-tsc-3.0.6.tgz",
+      "integrity": "sha512-Tbs8Whd43R2e2nxez4WXPvvdjGbW24rOSgRhLOHXzWiT4pcP4G7KeWh0YCn18rF4bVwv7tggLLZ6MJnO6jXPBg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@volar/typescript": "2.4.22",
-        "@vue/language-core": "3.0.5"
+        "@volar/typescript": "2.4.23",
+        "@vue/language-core": "3.0.6"
       },
       "bin": {
         "vue-tsc": "bin/vue-tsc.js"
diff --git a/frontend/package.json b/frontend/package.json
index f5676bd..293db5e 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -56,26 +56,26 @@
     "prettier": "^3.6.2",
     "remarkable": "^2.0.1",
     "sass": "^1.90.0",
-    "vue": "^3.5.18",
+    "vue": "^3.5.19",
     "vue-i18n": "^11.1.11",
     "vue-pick-colors": "^1.8.0",
     "vue-router": "^4.5.1"
   },
   "devDependencies": {
-    "@eslint/js": "^9.33.0",
+    "@eslint/js": "^9.34.0",
     "@lezer/generator": "^1.8.0",
     "@types/node": "^24.3.0",
     "@types/remarkable": "^2.0.8",
     "@vitejs/plugin-vue": "^6.0.1",
     "@wailsio/runtime": "latest",
-    "eslint": "^9.33.0",
+    "eslint": "^9.34.0",
     "eslint-plugin-vue": "^10.4.0",
     "globals": "^16.3.0",
     "typescript": "^5.9.2",
-    "typescript-eslint": "^8.39.1",
+    "typescript-eslint": "^8.40.0",
     "unplugin-vue-components": "^29.0.0",
-    "vite": "^7.1.2",
+    "vite": "^7.1.3",
     "vue-eslint-parser": "^10.2.0",
-    "vue-tsc": "^3.0.5"
+    "vue-tsc": "^3.0.6"
   }
 }
diff --git a/frontend/src/stores/configStore.ts b/frontend/src/stores/configStore.ts
index c89d044..1f8ba07 100644
--- a/frontend/src/stores/configStore.ts
+++ b/frontend/src/stores/configStore.ts
@@ -62,7 +62,9 @@ const GENERAL_CONFIG_KEY_MAP: GeneralConfigKeyMap = {
     enableSystemTray: 'general.enableSystemTray',
     startAtLogin: 'general.startAtLogin',
     enableGlobalHotkey: 'general.enableGlobalHotkey',
-    globalHotkey: 'general.globalHotkey'
+    globalHotkey: 'general.globalHotkey',
+    enableWindowSnap: 'general.enableWindowSnap',
+    snapThreshold: 'general.snapThreshold'
 } as const;
 
 const EDITING_CONFIG_KEY_MAP: EditingConfigKeyMap = {
@@ -176,7 +178,9 @@ const DEFAULT_CONFIG: AppConfig = {
             alt: true,
             win: false,
             key: 'X'
-        }
+        },
+        enableWindowSnap: true,
+        snapThreshold: 15
     },
     editing: {
         fontSize: CONFIG_LIMITS.fontSize.default,
@@ -520,6 +524,10 @@ export const useConfigStore = defineStore('config', () => {
             // 再调用系统设置API
             await StartupService.SetEnabled(value);
         },
+        
+        // 窗口吸附配置相关方法
+        setEnableWindowSnap: async (value: boolean) => await updateGeneralConfig('enableWindowSnap', value),
+        setSnapThreshold: async (value: number) => await updateGeneralConfig('snapThreshold', value),
 
         // 更新配置相关方法
         setAutoUpdate: async (value: boolean) => await updateUpdatesConfig('autoUpdate', value),
diff --git a/internal/models/config.go b/internal/models/config.go
index 4406151..f85c17f 100644
--- a/internal/models/config.go
+++ b/internal/models/config.go
@@ -68,6 +68,10 @@ type GeneralConfig struct {
 	EnableSystemTray bool   `json:"enableSystemTray"` // 是否启用系统托盘
 	StartAtLogin     bool   `json:"startAtLogin"`     // 开机启动设置
 
+	// 窗口吸附设置
+	EnableWindowSnap bool `json:"enableWindowSnap"` // 是否启用窗口吸附功能
+	SnapThreshold    int  `json:"snapThreshold"`    // 吸附距离阈值(像素)
+
 	// 全局热键设置
 	EnableGlobalHotkey bool        `json:"enableGlobalHotkey"` // 是否启用全局热键
 	GlobalHotkey       HotkeyCombo `json:"globalHotkey"`       // 全局热键组合
@@ -145,6 +149,8 @@ func NewDefaultAppConfig() *AppConfig {
 			DataPath:           dataDir,
 			EnableSystemTray:   true,
 			StartAtLogin:       false,
+			EnableWindowSnap:   true, // 默认启用窗口吸附
+			SnapThreshold:      15,   // 默认15像素的吸附阈值
 			EnableGlobalHotkey: false,
 			GlobalHotkey: HotkeyCombo{
 				Ctrl:  false,
diff --git a/internal/models/window.go b/internal/models/window.go
new file mode 100644
index 0000000..95d1edf
--- /dev/null
+++ b/internal/models/window.go
@@ -0,0 +1,41 @@
+package models
+
+import "time"
+
+// SnapEdge 表示吸附的边缘类型
+type SnapEdge int
+
+const (
+	SnapEdgeNone        SnapEdge = iota // 未吸附
+	SnapEdgeTop                         // 吸附到上边缘
+	SnapEdgeRight                       // 吸附到右边缘
+	SnapEdgeBottom                      // 吸附到下边缘
+	SnapEdgeLeft                        // 吸附到左边缘
+	SnapEdgeTopRight                    // 吸附到右上角
+	SnapEdgeBottomRight                 // 吸附到右下角
+	SnapEdgeBottomLeft                  // 吸附到左下角
+	SnapEdgeTopLeft                     // 吸附到左上角
+)
+
+// WindowPosition 窗口位置
+type WindowPosition struct {
+	X int `json:"x"` // X坐标
+	Y int `json:"y"` // Y坐标
+}
+
+// SnapPosition 表示吸附的相对位置
+type SnapPosition struct {
+	X int `json:"x"` // X轴相对偏移
+	Y int `json:"y"` // Y轴相对偏移
+}
+
+// WindowInfo 窗口信息
+type WindowInfo struct {
+	DocumentID int64          `json:"documentID"` // 文档ID
+	Title      string         `json:"title"`      // 窗口标题
+	IsSnapped  bool           `json:"isSnapped"`  // 是否处于吸附状态
+	SnapOffset SnapPosition   `json:"snapOffset"` // 与主窗口的相对位置偏移
+	SnapEdge   SnapEdge       `json:"snapEdge"`   // 吸附的边缘类型
+	LastPos    WindowPosition `json:"lastPos"`    // 上一次记录的窗口位置
+	MoveTime   time.Time      `json:"moveTime"`   // 上次移动时间，用于判断移动速度
+}
diff --git a/internal/services/config_notification_service.go b/internal/services/config_notification_service.go
index 93435f6..a37d50a 100644
--- a/internal/services/config_notification_service.go
+++ b/internal/services/config_notification_service.go
@@ -24,6 +24,8 @@ const (
 	ConfigChangeTypeDataPath ConfigChangeType = "datapath"
 	// ConfigChangeTypeBackup 备份配置变更
 	ConfigChangeTypeBackup ConfigChangeType = "backup"
+	// ConfigChangeTypeWindowSnap 窗口吸附配置变更
+	ConfigChangeTypeWindowSnap ConfigChangeType = "windowsnap"
 )
 
 // ConfigChangeCallback 配置变更回调函数类型
@@ -470,6 +472,29 @@ func CreateBackupConfigListener(name string, callback func(config *models.GitBac
 	}
 }
 
+// CreateWindowSnapConfigListener 创建窗口吸附配置监听器
+func CreateWindowSnapConfigListener(name string, callback func(enabled bool, threshold int) error) *ConfigListener {
+	return &ConfigListener{
+		Name:       name,
+		ChangeType: ConfigChangeTypeWindowSnap,
+		Callback: func(changeType ConfigChangeType, oldConfig, newConfig *models.AppConfig) error {
+			if newConfig == nil {
+				defaultConfig := models.NewDefaultAppConfig()
+				return callback(defaultConfig.General.EnableWindowSnap, defaultConfig.General.SnapThreshold)
+			}
+			return callback(newConfig.General.EnableWindowSnap, newConfig.General.SnapThreshold)
+		},
+		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 450d434..de6fe07 100644
--- a/internal/services/config_service.go
+++ b/internal/services/config_service.go
@@ -308,6 +308,16 @@ func (cs *ConfigService) SetBackupConfigChangeCallback(callback func(config *mod
 	return cs.notificationService.RegisterListener(backupListener)
 }
 
+// SetWindowSnapConfigChangeCallback 设置窗口吸附配置变更回调
+func (cs *ConfigService) SetWindowSnapConfigChangeCallback(callback func(enabled bool, threshold int) error) error {
+	cs.mu.Lock()
+	defer cs.mu.Unlock()
+
+	// 创建窗口吸附配置监听器并注册
+	windowSnapListener := CreateWindowSnapConfigListener("DefaultWindowSnapConfigListener", callback)
+	return cs.notificationService.RegisterListener(windowSnapListener)
+}
+
 // ServiceShutdown 关闭服务
 func (cs *ConfigService) ServiceShutdown() error {
 	cs.stopWatching()
diff --git a/internal/services/service_manager.go b/internal/services/service_manager.go
index a6425f6..bc29739 100644
--- a/internal/services/service_manager.go
+++ b/internal/services/service_manager.go
@@ -13,6 +13,7 @@ type ServiceManager struct {
 	databaseService    *DatabaseService
 	documentService    *DocumentService
 	windowService      *WindowService
+	windowSnapService  *WindowSnapService
 	migrationService   *MigrationService
 	systemService      *SystemService
 	hotkeyService      *HotkeyService
@@ -48,6 +49,12 @@ func NewServiceManager() *ServiceManager {
 	// 初始化窗口服务
 	windowService := NewWindowService(logger, documentService)
 
+	// 初始化窗口吸附服务
+	windowSnapService := NewWindowSnapService(logger, configService)
+
+	// 将吸附服务与窗口服务关联
+	windowService.SetWindowSnapService(windowSnapService)
+
 	// 初始化系统服务
 	systemService := NewSystemService(logger)
 
@@ -108,11 +115,20 @@ func NewServiceManager() *ServiceManager {
 		panic(err)
 	}
 
+	// 设置窗口吸附配置变更回调
+	err = configService.SetWindowSnapConfigChangeCallback(func(enabled bool, threshold int) error {
+		return windowSnapService.OnWindowSnapConfigChanged(enabled, threshold)
+	})
+	if err != nil {
+		panic(err)
+	}
+
 	return &ServiceManager{
 		configService:      configService,
 		databaseService:    databaseService,
 		documentService:    documentService,
 		windowService:      windowService,
+		windowSnapService:  windowSnapService,
 		migrationService:   migrationService,
 		systemService:      systemService,
 		hotkeyService:      hotkeyService,
@@ -136,6 +152,7 @@ func (sm *ServiceManager) GetServices() []application.Service {
 		application.NewService(sm.databaseService),
 		application.NewService(sm.documentService),
 		application.NewService(sm.windowService),
+		application.NewService(sm.windowSnapService),
 		application.NewService(sm.keyBindingService),
 		application.NewService(sm.extensionService),
 		application.NewService(sm.migrationService),
@@ -221,3 +238,8 @@ func (sm *ServiceManager) GetDocumentService() *DocumentService {
 func (sm *ServiceManager) GetThemeService() *ThemeService {
 	return sm.themeService
 }
+
+// GetWindowSnapService 获取窗口吸附服务实例
+func (sm *ServiceManager) GetWindowSnapService() *WindowSnapService {
+	return sm.windowSnapService
+}
diff --git a/internal/services/window_service.go b/internal/services/window_service.go
index 3c9b770..48b1a67 100644
--- a/internal/services/window_service.go
+++ b/internal/services/window_service.go
@@ -9,14 +9,14 @@ import (
 	"github.com/wailsapp/wails/v3/pkg/services/log"
 )
 
-// WindowInfo 窗口信息
+// WindowInfo 窗口信息（简化版）
 type WindowInfo struct {
 	Window     *application.WebviewWindow
 	DocumentID int64
 	Title      string
 }
 
-// WindowService 窗口管理服务
+// WindowService 窗口管理服务（专注于窗口生命周期管理）
 type WindowService struct {
 	logger          *log.LogService
 	documentService *DocumentService
@@ -24,6 +24,9 @@ type WindowService struct {
 	mainWindow      *application.WebviewWindow
 	windows         map[int64]*WindowInfo // documentID -> WindowInfo
 	mu              sync.RWMutex
+
+	// 吸附服务引用
+	windowSnapService *WindowSnapService
 }
 
 // NewWindowService 创建新的窗口服务实例
@@ -39,10 +42,20 @@ func NewWindowService(logger *log.LogService, documentService *DocumentService)
 	}
 }
 
+// SetWindowSnapService 设置窗口吸附服务引用
+func (ws *WindowService) SetWindowSnapService(snapService *WindowSnapService) {
+	ws.windowSnapService = snapService
+}
+
 // SetAppReferences 设置应用和主窗口引用
 func (ws *WindowService) SetAppReferences(app *application.App, mainWindow *application.WebviewWindow) {
 	ws.app = app
 	ws.mainWindow = mainWindow
+
+	// 如果吸附服务已设置，也为它设置引用
+	if ws.windowSnapService != nil {
+		ws.windowSnapService.SetAppReferences(app, mainWindow)
+	}
 }
 
 // OpenDocumentWindow 为指定文档ID打开新窗口
@@ -101,9 +114,14 @@ func (ws *WindowService) OpenDocumentWindow(documentID int64) error {
 	}
 	ws.windows[documentID] = windowInfo
 
-	// 注册窗口关闭事件
+	// 注册窗口事件
 	ws.registerWindowEvents(newWindow, documentID)
 
+	// 向吸附服务注册新窗口
+	if ws.windowSnapService != nil {
+		ws.windowSnapService.RegisterWindow(documentID, newWindow, doc.Title)
+	}
+
 	return nil
 }
 
@@ -119,12 +137,17 @@ func (ws *WindowService) registerWindowEvents(window *application.WebviewWindow,
 func (ws *WindowService) onWindowClosing(documentID int64) {
 	ws.mu.Lock()
 	defer ws.mu.Unlock()
+
 	windowInfo, exists := ws.windows[documentID]
 	if exists {
 		windowInfo.Window.Close()
 		delete(ws.windows, documentID)
-	}
 
+		// 从吸附服务中取消注册
+		if ws.windowSnapService != nil {
+			ws.windowSnapService.UnregisterWindow(documentID)
+		}
+	}
 }
 
 // GetOpenWindows 获取所有打开的窗口信息
@@ -147,3 +170,18 @@ func (ws *WindowService) IsDocumentWindowOpen(documentID int64) bool {
 	_, exists := ws.windows[documentID]
 	return exists
 }
+
+// ServiceShutdown 实现服务关闭接口
+func (ws *WindowService) ServiceShutdown() error {
+	// 关闭所有窗口
+	ws.mu.Lock()
+	defer ws.mu.Unlock()
+
+	for documentID := range ws.windows {
+		if ws.windowSnapService != nil {
+			ws.windowSnapService.UnregisterWindow(documentID)
+		}
+	}
+
+	return nil
+}
diff --git a/internal/services/window_snap_service.go b/internal/services/window_snap_service.go
new file mode 100644
index 0000000..b9161c9
--- /dev/null
+++ b/internal/services/window_snap_service.go
@@ -0,0 +1,603 @@
+package services
+
+import (
+	"context"
+	"math"
+	"sync"
+	"time"
+	"voidraft/internal/models"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+	"github.com/wailsapp/wails/v3/pkg/services/log"
+)
+
+// WindowSnapService 窗口吸附服务
+type WindowSnapService struct {
+	logger        *log.LogService
+	configService *ConfigService
+	app           *application.App
+	mainWindow    *application.WebviewWindow
+	mu            sync.RWMutex
+
+	// 吸附配置
+	snapThreshold int  // 吸附触发的阈值距离(像素)
+	snapEnabled   bool // 是否启用窗口吸附功能
+
+	// 定时器控制
+	snapTicker *time.Ticker
+	ctx        context.Context
+	cancel     context.CancelFunc
+
+	// 性能优化相关
+	lastMainWindowPos models.WindowPosition // 缓存主窗口上次位置
+	changedWindows    map[int64]bool        // 记录哪些窗口发生了变化
+	skipFrames        int                   // 跳帧计数器，用于降低检测频率
+
+	// 监听的窗口列表
+	managedWindows map[int64]*SnapWindowInfo // documentID -> SnapWindowInfo
+}
+
+// SnapWindowInfo 吸附窗口信息
+type SnapWindowInfo struct {
+	Window     *application.WebviewWindow
+	DocumentID int64
+	Title      string
+	IsSnapped  bool                  // 是否处于吸附状态
+	SnapOffset models.SnapPosition   // 与主窗口的相对位置偏移
+	SnapEdge   models.SnapEdge       // 吸附的边缘类型
+	LastPos    models.WindowPosition // 上一次记录的窗口位置
+	MoveTime   time.Time             // 上次移动时间，用于判断移动速度
+}
+
+// NewWindowSnapService 创建新的窗口吸附服务实例
+func NewWindowSnapService(logger *log.LogService, configService *ConfigService) *WindowSnapService {
+	if logger == nil {
+		logger = log.New()
+	}
+
+	// 从配置获取窗口吸附设置
+	config, err := configService.GetConfig()
+	snapEnabled := true // 默认启用
+	snapThreshold := 15 // 默认阈值
+
+	if err == nil {
+		snapEnabled = config.General.EnableWindowSnap
+		snapThreshold = config.General.SnapThreshold
+	}
+
+	return &WindowSnapService{
+		logger:         logger,
+		configService:  configService,
+		snapThreshold:  snapThreshold,
+		snapEnabled:    snapEnabled,
+		managedWindows: make(map[int64]*SnapWindowInfo),
+		changedWindows: make(map[int64]bool),
+		skipFrames:     0,
+	}
+}
+
+// SetAppReferences 设置应用和主窗口引用
+func (wss *WindowSnapService) SetAppReferences(app *application.App, mainWindow *application.WebviewWindow) {
+	wss.app = app
+	wss.mainWindow = mainWindow
+
+	// 初始化上下文，用于控制goroutine的生命周期
+	wss.ctx, wss.cancel = context.WithCancel(context.Background())
+
+	// 启动窗口吸附监听器
+	wss.StartWindowSnapMonitor()
+}
+
+// RegisterWindow 注册需要吸附管理的窗口
+func (wss *WindowSnapService) RegisterWindow(documentID int64, window *application.WebviewWindow, title string) {
+	wss.mu.Lock()
+	defer wss.mu.Unlock()
+
+	wss.managedWindows[documentID] = &SnapWindowInfo{
+		Window:     window,
+		DocumentID: documentID,
+		Title:      title,
+		IsSnapped:  false,
+		SnapOffset: models.SnapPosition{X: 0, Y: 0},
+		SnapEdge:   models.SnapEdgeNone,
+		LastPos:    models.WindowPosition{X: 0, Y: 0},
+		MoveTime:   time.Now(),
+	}
+}
+
+// UnregisterWindow 取消注册窗口
+func (wss *WindowSnapService) UnregisterWindow(documentID int64) {
+	wss.mu.Lock()
+	defer wss.mu.Unlock()
+
+	delete(wss.managedWindows, documentID)
+	delete(wss.changedWindows, documentID)
+}
+
+// SetSnapEnabled 设置是否启用窗口吸附
+func (wss *WindowSnapService) SetSnapEnabled(enabled bool) {
+	wss.mu.Lock()
+	defer wss.mu.Unlock()
+
+	if wss.snapEnabled == enabled {
+		return
+	}
+
+	wss.snapEnabled = enabled
+
+	// 如果禁用吸附，解除所有吸附窗口
+	if !enabled {
+		for _, windowInfo := range wss.managedWindows {
+			if windowInfo.IsSnapped {
+				windowInfo.IsSnapped = false
+				windowInfo.SnapEdge = models.SnapEdgeNone
+			}
+		}
+		// 停止定时器
+		if wss.snapTicker != nil {
+			wss.snapTicker.Stop()
+			wss.snapTicker = nil
+		}
+	} else if wss.snapTicker == nil && wss.app != nil {
+		// 重新启动定时器
+		wss.StartWindowSnapMonitor()
+	}
+}
+
+// SetSnapThreshold 设置窗口吸附阈值
+func (wss *WindowSnapService) SetSnapThreshold(threshold int) {
+	wss.mu.Lock()
+	defer wss.mu.Unlock()
+
+	if threshold <= 0 || wss.snapThreshold == threshold {
+		return
+	}
+
+	wss.snapThreshold = threshold
+}
+
+// OnWindowSnapConfigChanged 处理窗口吸附配置变更
+func (wss *WindowSnapService) OnWindowSnapConfigChanged(enabled bool, threshold int) error {
+	wss.SetSnapEnabled(enabled)
+	wss.SetSnapThreshold(threshold)
+	return nil
+}
+
+// StartWindowSnapMonitor 启动窗口吸附监听器
+func (wss *WindowSnapService) StartWindowSnapMonitor() {
+	// 如果定时器已存在，先停止它
+	if wss.snapTicker != nil {
+		wss.snapTicker.Stop()
+	}
+
+	// 只有在吸附功能启用时才启动监听器
+	if !wss.snapEnabled {
+		return
+	}
+
+	// 创建新的定时器，20fps 以优化性能
+	wss.snapTicker = time.NewTicker(50 * time.Millisecond)
+
+	// 启动goroutine持续监听窗口位置
+	go func() {
+		for {
+			select {
+			case <-wss.snapTicker.C:
+				wss.checkAndApplySnapping()
+			case <-wss.ctx.Done():
+				// 上下文取消时停止goroutine
+				return
+			}
+		}
+	}()
+}
+
+// checkAndApplySnapping 检测并应用窗口吸附（性能优化版本）
+func (wss *WindowSnapService) checkAndApplySnapping() {
+	if !wss.snapEnabled {
+		return
+	}
+
+	// 性能优化：每3帧执行一次完整检测，其他时间只处理变化的窗口
+	wss.skipFrames++
+	fullCheck := wss.skipFrames%3 == 0
+
+	wss.mu.Lock()
+	defer wss.mu.Unlock()
+
+	// 检查主窗口是否存在且可见
+	if wss.mainWindow == nil || !wss.isMainWindowAvailable() {
+		// 主窗口不可用，解除所有吸附
+		for _, windowInfo := range wss.managedWindows {
+			if windowInfo.IsSnapped {
+				windowInfo.IsSnapped = false
+				windowInfo.SnapEdge = models.SnapEdgeNone
+			}
+		}
+		// 清空变化记录
+		wss.changedWindows = make(map[int64]bool)
+		return
+	}
+
+	mainPos, _ := wss.getWindowPosition(wss.mainWindow)
+
+	// 检查主窗口是否移动了
+	mainWindowMoved := mainPos.X != wss.lastMainWindowPos.X || mainPos.Y != wss.lastMainWindowPos.Y
+	if mainWindowMoved {
+		wss.lastMainWindowPos = mainPos
+		// 主窗口移动了，标记所有吸附的窗口为变化
+		for documentID, windowInfo := range wss.managedWindows {
+			if windowInfo.IsSnapped {
+				wss.changedWindows[documentID] = true
+			}
+		}
+	}
+
+	for documentID, windowInfo := range wss.managedWindows {
+		currentPos, _ := wss.getWindowPosition(windowInfo.Window)
+
+		// 检查窗口是否移动了
+		hasMoved := currentPos.X != windowInfo.LastPos.X || currentPos.Y != windowInfo.LastPos.Y
+		if hasMoved {
+			windowInfo.MoveTime = time.Now()
+			windowInfo.LastPos = currentPos
+			wss.changedWindows[documentID] = true
+		}
+
+		// 性能优化：只处理变化的窗口或进行完整检查时
+		if !fullCheck && !wss.changedWindows[documentID] {
+			continue
+		}
+
+		if windowInfo.IsSnapped {
+			// 窗口已吸附，检查是否需要更新位置或解除吸附
+			wss.handleSnappedWindow(windowInfo, mainPos, currentPos)
+		} else {
+			// 窗口未吸附，检查是否应该吸附
+			wss.handleUnsnappedWindow(windowInfo)
+		}
+
+		// 处理完成后清除变化标记
+		delete(wss.changedWindows, documentID)
+	}
+}
+
+// isMainWindowAvailable 检查主窗口是否可用
+func (wss *WindowSnapService) isMainWindowAvailable() bool {
+	if wss.mainWindow == nil {
+		return false
+	}
+
+	// 检查主窗口是否可见和正常状态
+	return wss.mainWindow.IsVisible()
+}
+
+// handleSnappedWindow 处理已吸附的窗口
+func (wss *WindowSnapService) handleSnappedWindow(windowInfo *SnapWindowInfo, mainPos models.WindowPosition, currentPos models.WindowPosition) {
+	// 计算预期位置基于主窗口的新位置
+	expectedX := mainPos.X + windowInfo.SnapOffset.X
+	expectedY := mainPos.Y + windowInfo.SnapOffset.Y
+
+	// 计算当前位置与预期位置的距离
+	distanceX := math.Abs(float64(currentPos.X - expectedX))
+	distanceY := math.Abs(float64(currentPos.Y - expectedY))
+	maxDistance := math.Max(distanceX, distanceY)
+
+	// 检测是否为用户主动拖拽：如果窗口移动幅度超过阈值且是最近移动的
+	userDragThreshold := float64(wss.snapThreshold)
+	isUserDrag := maxDistance > userDragThreshold && time.Since(windowInfo.MoveTime) < 100*time.Millisecond
+
+	if isUserDrag {
+		// 用户主动拖拽，立即解除吸附
+		windowInfo.IsSnapped = false
+		windowInfo.SnapEdge = models.SnapEdgeNone
+		return
+	}
+
+	// 对于主窗口移动导致的位置变化，立即跟随且不解除吸附
+	if maxDistance > 0 {
+		// 直接调整到预期位置，不使用平滑移动以提高响应速度
+		windowInfo.Window.SetPosition(expectedX, expectedY)
+		windowInfo.LastPos = models.WindowPosition{X: expectedX, Y: expectedY}
+	}
+}
+
+// handleUnsnappedWindow 处理未吸附的窗口
+func (wss *WindowSnapService) handleUnsnappedWindow(windowInfo *SnapWindowInfo) {
+	// 检查是否应该吸附到主窗口
+	should, snapEdge := wss.shouldSnapToMainWindow(windowInfo)
+	if should {
+		// 获取主窗口位置用于计算偏移量
+		mainPos, _ := wss.getWindowPosition(wss.mainWindow)
+
+		// 设置吸附状态
+		windowInfo.IsSnapped = true
+		windowInfo.SnapEdge = snapEdge
+
+		// 执行即时吸附，产生明显的吸附效果
+		wss.snapWindowToMainWindow(windowInfo, snapEdge)
+
+		// 重新获取吸附后的位置来计算偏移量
+		newPos, _ := wss.getWindowPosition(windowInfo.Window)
+		windowInfo.SnapOffset.X = newPos.X - mainPos.X
+		windowInfo.SnapOffset.Y = newPos.Y - mainPos.Y
+		windowInfo.LastPos = newPos
+	}
+}
+
+// getWindowPosition 获取窗口的位置
+func (wss *WindowSnapService) getWindowPosition(window *application.WebviewWindow) (models.WindowPosition, bool) {
+	x, y := window.Position()
+	return models.WindowPosition{X: x, Y: y}, true
+}
+
+// shouldSnapToMainWindow 检查窗口是否应该吸附到主窗口（支持角落吸附）
+func (wss *WindowSnapService) shouldSnapToMainWindow(windowInfo *SnapWindowInfo) (bool, models.SnapEdge) {
+	// 降低防抖时间，提高吸附响应速度
+	if time.Since(windowInfo.MoveTime) < 50*time.Millisecond {
+		return false, models.SnapEdgeNone
+	}
+
+	// 获取两个窗口的位置
+	mainPos, _ := wss.getWindowPosition(wss.mainWindow)
+	windowPos, _ := wss.getWindowPosition(windowInfo.Window)
+
+	// 获取主窗口尺寸
+	mainWidth, mainHeight := wss.mainWindow.Size()
+
+	// 获取子窗口尺寸
+	windowWidth, windowHeight := windowInfo.Window.Size()
+
+	// 计算各个边缘的距离
+	threshold := float64(wss.snapThreshold)
+	cornerThreshold := threshold * 1.5 // 角落吸附需要更大的阈值
+
+	// 主窗口的四个边界
+	mainLeft := mainPos.X
+	mainTop := mainPos.Y
+	mainRight := mainPos.X + mainWidth
+	mainBottom := mainPos.Y + mainHeight
+
+	// 子窗口的四个边界
+	windowLeft := windowPos.X
+	windowTop := windowPos.Y
+	windowRight := windowPos.X + windowWidth
+	windowBottom := windowPos.Y + windowHeight
+
+	// 存储每个边缘的吸附信息
+	type snapCandidate struct {
+		edge     models.SnapEdge
+		distance float64
+		overlap  float64 // 重叠度，用于优先级判断
+		isCorner bool    // 是否为角落吸附
+	}
+
+	var candidates []snapCandidate
+
+	// ==== 检查角落吸附（优先级最高） ====
+
+	// 1. 右上角 (SnapEdgeTopRight)
+	distToTopRight := math.Sqrt(math.Pow(float64(mainRight-windowLeft), 2) + math.Pow(float64(mainTop-windowBottom), 2))
+	if distToTopRight <= cornerThreshold {
+		// 检查是否接近右上角区域
+		horizDist := math.Abs(float64(mainRight - windowLeft))
+		vertDist := math.Abs(float64(mainTop - windowBottom))
+		if horizDist <= cornerThreshold && vertDist <= cornerThreshold {
+			candidates = append(candidates, snapCandidate{models.SnapEdgeTopRight, distToTopRight, 100, true})
+		}
+	}
+
+	// 2. 右下角 (SnapEdgeBottomRight)
+	distToBottomRight := math.Sqrt(math.Pow(float64(mainRight-windowLeft), 2) + math.Pow(float64(mainBottom-windowTop), 2))
+	if distToBottomRight <= cornerThreshold {
+		horizDist := math.Abs(float64(mainRight - windowLeft))
+		vertDist := math.Abs(float64(mainBottom - windowTop))
+		if horizDist <= cornerThreshold && vertDist <= cornerThreshold {
+			candidates = append(candidates, snapCandidate{models.SnapEdgeBottomRight, distToBottomRight, 100, true})
+		}
+	}
+
+	// 3. 左下角 (SnapEdgeBottomLeft)
+	distToBottomLeft := math.Sqrt(math.Pow(float64(mainLeft-windowRight), 2) + math.Pow(float64(mainBottom-windowTop), 2))
+	if distToBottomLeft <= cornerThreshold {
+		horizDist := math.Abs(float64(mainLeft - windowRight))
+		vertDist := math.Abs(float64(mainBottom - windowTop))
+		if horizDist <= cornerThreshold && vertDist <= cornerThreshold {
+			candidates = append(candidates, snapCandidate{models.SnapEdgeBottomLeft, distToBottomLeft, 100, true})
+		}
+	}
+
+	// 4. 左上角 (SnapEdgeTopLeft)
+	distToTopLeft := math.Sqrt(math.Pow(float64(mainLeft-windowRight), 2) + math.Pow(float64(mainTop-windowBottom), 2))
+	if distToTopLeft <= cornerThreshold {
+		horizDist := math.Abs(float64(mainLeft - windowRight))
+		vertDist := math.Abs(float64(mainTop - windowBottom))
+		if horizDist <= cornerThreshold && vertDist <= cornerThreshold {
+			candidates = append(candidates, snapCandidate{models.SnapEdgeTopLeft, distToTopLeft, 100, true})
+		}
+	}
+
+	// ==== 检查边缘吸附（只在没有角落吸附时检查） ====
+	if len(candidates) == 0 {
+		// 1. 吸附到主窗口右侧
+		distToRight := math.Abs(float64(mainRight - windowLeft))
+		if distToRight <= threshold {
+			// 计算垂直重叠
+			overlapTop := math.Max(float64(mainTop), float64(windowTop))
+			overlapBottom := math.Min(float64(mainBottom), float64(windowBottom))
+			verticalOverlap := math.Max(0, overlapBottom-overlapTop)
+			candidates = append(candidates, snapCandidate{models.SnapEdgeRight, distToRight, verticalOverlap, false})
+		}
+
+		// 2. 吸附到主窗口左侧
+		distToLeft := math.Abs(float64(mainLeft - windowRight))
+		if distToLeft <= threshold {
+			// 计算垂直重叠
+			overlapTop := math.Max(float64(mainTop), float64(windowTop))
+			overlapBottom := math.Min(float64(mainBottom), float64(windowBottom))
+			verticalOverlap := math.Max(0, overlapBottom-overlapTop)
+			candidates = append(candidates, snapCandidate{models.SnapEdgeLeft, distToLeft, verticalOverlap, false})
+		}
+
+		// 3. 吸附到主窗口底部
+		distToBottom := math.Abs(float64(mainBottom - windowTop))
+		if distToBottom <= threshold {
+			// 计算水平重叠
+			overlapLeft := math.Max(float64(mainLeft), float64(windowLeft))
+			overlapRight := math.Min(float64(mainRight), float64(windowRight))
+			horizontalOverlap := math.Max(0, overlapRight-overlapLeft)
+			candidates = append(candidates, snapCandidate{models.SnapEdgeBottom, distToBottom, horizontalOverlap, false})
+		}
+
+		// 4. 吸附到主窗口顶部
+		distToTop := math.Abs(float64(mainTop - windowBottom))
+		if distToTop <= threshold {
+			// 计算水平重叠
+			overlapLeft := math.Max(float64(mainLeft), float64(windowLeft))
+			overlapRight := math.Min(float64(mainRight), float64(windowRight))
+			horizontalOverlap := math.Max(0, overlapRight-overlapLeft)
+			candidates = append(candidates, snapCandidate{models.SnapEdgeTop, distToTop, horizontalOverlap, false})
+		}
+	}
+
+	// 如果没有候选，不吸附
+	if len(candidates) == 0 {
+		return false, models.SnapEdgeNone
+	}
+
+	// 选择最佳吸附位置：角落吸附优先，其次考虑重叠度，最后考虑距离
+	bestCandidate := candidates[0]
+	for _, candidate := range candidates[1:] {
+		// 角落吸附优先级最高
+		if candidate.isCorner && !bestCandidate.isCorner {
+			bestCandidate = candidate
+		} else if bestCandidate.isCorner && !candidate.isCorner {
+			// 继续使用当前的角落吸附
+			continue
+		} else {
+			// 同类型的吸附，比较重叠度和距离
+			if math.Abs(candidate.overlap-bestCandidate.overlap) < 10 {
+				if candidate.distance < bestCandidate.distance {
+					bestCandidate = candidate
+				}
+			} else if candidate.overlap > bestCandidate.overlap {
+				// 重叠度更高的优先
+				bestCandidate = candidate
+			}
+		}
+	}
+
+	return true, bestCandidate.edge
+}
+
+// snapWindowToMainWindow 将窗口精确吸附到主窗口边缘（支持角落吸附）
+func (wss *WindowSnapService) snapWindowToMainWindow(windowInfo *SnapWindowInfo, snapEdge models.SnapEdge) {
+	// 获取主窗口位置和尺寸
+	mainPos, _ := wss.getWindowPosition(wss.mainWindow)
+	mainWidth, mainHeight := wss.mainWindow.Size()
+
+	// 获取子窗口位置和尺寸
+	windowPos, _ := wss.getWindowPosition(windowInfo.Window)
+	windowWidth, windowHeight := windowInfo.Window.Size()
+
+	// 计算目标位置
+	var targetX, targetY int
+
+	switch snapEdge {
+	case models.SnapEdgeRight:
+		// 吸附到主窗口右侧
+		targetX = mainPos.X + mainWidth
+		targetY = windowPos.Y // 保持当前 Y 位置
+		// 如果超出主窗口范围，调整到边界
+		if targetY < mainPos.Y {
+			targetY = mainPos.Y
+		} else if targetY+windowHeight > mainPos.Y+mainHeight {
+			targetY = mainPos.Y + mainHeight - windowHeight
+		}
+
+	case models.SnapEdgeLeft:
+		// 吸附到主窗口左侧
+		targetX = mainPos.X - windowWidth
+		targetY = windowPos.Y // 保持当前 Y 位置
+		// 如果超出主窗口范围，调整到边界
+		if targetY < mainPos.Y {
+			targetY = mainPos.Y
+		} else if targetY+windowHeight > mainPos.Y+mainHeight {
+			targetY = mainPos.Y + mainHeight - windowHeight
+		}
+
+	case models.SnapEdgeBottom:
+		// 吸附到主窗口底部
+		targetX = windowPos.X // 保持当前 X 位置
+		targetY = mainPos.Y + mainHeight
+		// 如果超出主窗口范围，调整到边界
+		if targetX < mainPos.X {
+			targetX = mainPos.X
+		} else if targetX+windowWidth > mainPos.X+mainWidth {
+			targetX = mainPos.X + mainWidth - windowWidth
+		}
+
+	case models.SnapEdgeTop:
+		// 吸附到主窗口顶部
+		targetX = windowPos.X // 保持当前 X 位置
+		targetY = mainPos.Y - windowHeight
+		// 如果超出主窗口范围，调整到边界
+		if targetX < mainPos.X {
+			targetX = mainPos.X
+		} else if targetX+windowWidth > mainPos.X+mainWidth {
+			targetX = mainPos.X + mainWidth - windowWidth
+		}
+
+	// ==== 角落吸附 ====
+	case models.SnapEdgeTopRight:
+		// 吸附到右上角
+		targetX = mainPos.X + mainWidth
+		targetY = mainPos.Y - windowHeight
+
+	case models.SnapEdgeBottomRight:
+		// 吸附到右下角
+		targetX = mainPos.X + mainWidth
+		targetY = mainPos.Y + mainHeight
+
+	case models.SnapEdgeBottomLeft:
+		// 吸附到左下角
+		targetX = mainPos.X - windowWidth
+		targetY = mainPos.Y + mainHeight
+
+	case models.SnapEdgeTopLeft:
+		// 吸附到左上角
+		targetX = mainPos.X - windowWidth
+		targetY = mainPos.Y - windowHeight
+
+	default:
+		// 不应该到达这里
+		return
+	}
+
+	// 直接移动到目标位置，不使用平滑过渡以产生明显的吸附效果
+	windowInfo.Window.SetPosition(targetX, targetY)
+
+	// 更新窗口信息
+	windowInfo.SnapEdge = snapEdge
+	windowInfo.LastPos = models.WindowPosition{X: targetX, Y: targetY}
+}
+
+// Cleanup 清理资源
+func (wss *WindowSnapService) Cleanup() {
+	// 如果有取消函数，调用它来停止所有goroutine
+	if wss.cancel != nil {
+		wss.cancel()
+	}
+
+	// 停止定时器
+	if wss.snapTicker != nil {
+		wss.snapTicker.Stop()
+		wss.snapTicker = nil
+	}
+}
+
+// ServiceShutdown 实现服务关闭接口
+func (wss *WindowSnapService) ServiceShutdown() error {
+	wss.Cleanup()
+	return nil
+}