diff --git a/frontend/src/components/toolbar/DocumentSelector.vue b/frontend/src/components/toolbar/DocumentSelector.vue
index a0c80e0..4c901da 100644
--- a/frontend/src/components/toolbar/DocumentSelector.vue
+++ b/frontend/src/components/toolbar/DocumentSelector.vue
@@ -150,8 +150,7 @@ const saveEdit = async () => {
     const trimmedTitle = editingTitle.value.trim();
     const error = validateTitle(trimmedTitle);
     if (error) {
-      console.error('保存失败:', error);
-      // 保持编辑状态，不清除
+
       return;
     }
 
@@ -159,8 +158,6 @@ const saveEdit = async () => {
       await documentStore.updateDocumentMetadata(editingId.value, trimmedTitle);
       await documentStore.updateDocuments();
     } catch (error) {
-      console.error('保存失败:', error);
-      // 保持编辑状态，不清除
       return;
     }
   }
@@ -186,7 +183,7 @@ const handleDelete = async (doc: Document, event: Event) => {
         }
       }
     } catch (error) {
-      console.error('删除失败:', error);
+      console.error('deleted failed:', error);
     }
     deleteConfirmId.value = null;
   } else {
diff --git a/frontend/src/components/toolbar/Toolbar.vue b/frontend/src/components/toolbar/Toolbar.vue
index 53e1b49..1f99fa3 100644
--- a/frontend/src/components/toolbar/Toolbar.vue
+++ b/frontend/src/components/toolbar/Toolbar.vue
@@ -4,6 +4,7 @@ import {onMounted, onUnmounted, ref, watch} from 'vue';
 import {useConfigStore} from '@/stores/configStore';
 import {useEditorStore} from '@/stores/editorStore';
 import {useUpdateStore} from '@/stores/updateStore';
+import {useDocumentStore} from '@/stores/documentStore';
 import * as runtime from '@wailsio/runtime';
 import {useRouter} from 'vue-router';
 import BlockLanguageSelector from './BlockLanguageSelector.vue';
@@ -14,6 +15,7 @@ import {getLanguage} from '@/views/editor/extensions/codeblock/lang-parser/langu
 const editorStore = useEditorStore();
 const configStore = useConfigStore();
 const updateStore = useUpdateStore();
+const documentStore = useDocumentStore();
 const {t} = useI18n();
 const router = useRouter();
 
@@ -32,7 +34,11 @@ const toggleAlwaysOnTop = async () => {
 
 // 跳转到设置页面
 const goToSettings = () => {
-  router.push('/settings');
+  const currentDocId = documentStore.currentDocumentId;
+  router.push({
+    path: '/settings',
+    query: { documentId: currentDocId || undefined }
+  });
 };
 
 
diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
index 3103773..837c24e 100644
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -12,13 +12,15 @@ const routes: RouteRecordRaw[] = [
   {
     path: '/',
     name: 'Editor',
-    component: Editor
+    component: Editor,
+    props: route => ({ documentId: route.query.documentId ? Number(route.query.documentId) : null })
   },
   {
     path: '/settings',
     name: 'Settings',
     redirect: '/settings/general',
     component: Settings,
+    props: route => ({ returnDocumentId: route.query.documentId ? Number(route.query.documentId) : null }),
     children: [
       {
         path: 'general',
diff --git a/frontend/src/stores/editorStore.ts b/frontend/src/stores/editorStore.ts
index ba7a473..729bf23 100644
--- a/frontend/src/stores/editorStore.ts
+++ b/frontend/src/stores/editorStore.ts
@@ -15,7 +15,7 @@ import {createFontExtensionFromBackend, updateFontConfig} from '@/views/editor/b
 import {createStatsUpdateExtension} from '@/views/editor/basic/statsExtension';
 import {createContentChangePlugin} from '@/views/editor/basic/contentChangeExtension';
 import {createDynamicKeymapExtension, updateKeymapExtension} from '@/views/editor/keymap';
-import {createDynamicExtensions, getExtensionManager, setExtensionManagerView} from '@/views/editor/manager';
+import {createDynamicExtensions, getExtensionManager, setExtensionManagerView, removeExtensionManagerView} from '@/views/editor/manager';
 import {useExtensionStore} from './extensionStore';
 import createCodeBlockExtension from "@/views/editor/extensions/codeblock";
 
@@ -197,7 +197,7 @@ export const useEditorStore = defineStore('editor', () => {
             throw new Error('Operation cancelled');
         }
 
-        // 快捷键扩展（异步）
+        // 快捷键扩展
         const keymapExtension = await createDynamicKeymapExtension();
 
         // 检查操作有效性
@@ -205,8 +205,8 @@ export const useEditorStore = defineStore('editor', () => {
             throw new Error('Operation cancelled');
         }
 
-        // 动态扩展（异步）
-        const dynamicExtensions = await createDynamicExtensions();
+        // 动态扩展，传递文档ID以便扩展管理器可以预初始化
+        const dynamicExtensions = await createDynamicExtensions(documentId);
 
         // 最终检查操作有效性
         if (!isOperationValid(operationId, documentId)) {
@@ -347,7 +347,7 @@ export const useEditorStore = defineStore('editor', () => {
             currentEditor.value = instance.view;
 
             // 设置扩展管理器视图
-            setExtensionManagerView(instance.view);
+            setExtensionManagerView(instance.view, documentId);
 
             // 更新LRU
             updateLRU(documentId);
@@ -529,6 +529,9 @@ export const useEditorStore = defineStore('editor', () => {
                     instance.autoSaveTimer = null;
                 }
 
+                // 从扩展管理器中移除视图
+                removeExtensionManagerView(documentId);
+
                 // 移除DOM元素
                 if (instance.view && instance.view.dom && instance.view.dom.parentElement) {
                     instance.view.dom.remove();
@@ -596,6 +599,7 @@ export const useEditorStore = defineStore('editor', () => {
 
     // 应用快捷键设置
     const applyKeymapSettings = async () => {
+        // 确保所有编辑器实例的快捷键都更新
         await Promise.all(
             Object.values(editorCache.value.instances).map(instance =>
                 updateKeymapExtension(instance.view)
@@ -614,6 +618,10 @@ export const useEditorStore = defineStore('editor', () => {
             if (instance.autoSaveTimer) {
                 clearTimeout(instance.autoSaveTimer);
             }
+            
+            // 从扩展管理器移除
+            removeExtensionManagerView(instance.documentId);
+            
             // 移除DOM元素
             if (instance.view.dom.parentElement) {
                 instance.view.dom.remove();
@@ -637,19 +645,19 @@ export const useEditorStore = defineStore('editor', () => {
             await ExtensionService.UpdateExtensionState(id, enabled, config);
         }
 
-        // 更新前端编辑器扩展
+        // 更新前端编辑器扩展 - 应用于所有实例
         const manager = getExtensionManager();
         if (manager) {
-            manager.updateExtension(id, enabled, config || {});
+            // 使用立即更新模式，跳过防抖
+            manager.updateExtensionImmediate(id, enabled, config || {});
         }
 
         // 重新加载扩展配置
         await extensionStore.loadExtensions();
 
-        // 更新快捷键映射
-        if (currentEditor.value) {
-            updateKeymapExtension(currentEditor.value);
-        }
+        // 不再需要单独更新当前编辑器的快捷键映射，因为扩展管理器会更新所有实例
+        // 但我们仍需要确保快捷键配置在所有编辑器上更新
+        await applyKeymapSettings();
     };
 
     // 监听文档切换
diff --git a/frontend/src/views/editor/Editor.vue b/frontend/src/views/editor/Editor.vue
index a17e6a3..f913520 100644
--- a/frontend/src/views/editor/Editor.vue
+++ b/frontend/src/views/editor/Editor.vue
@@ -1,11 +1,16 @@
 <script setup lang="ts">
-import {onBeforeUnmount, onMounted, ref} from 'vue';
+import {onBeforeUnmount, onMounted, ref, watch} from 'vue';
 import {useEditorStore} from '@/stores/editorStore';
 import {useDocumentStore} from '@/stores/documentStore';
 import {useConfigStore} from '@/stores/configStore';
 import {createWheelZoomHandler} from './basic/wheelZoomExtension';
 import Toolbar from '@/components/toolbar/Toolbar.vue';
 
+// 接收路由传入的文档ID
+const props = defineProps<{
+  documentId?: number | null
+}>();
+
 const editorStore = useEditorStore();
 const documentStore = useDocumentStore();
 const configStore = useConfigStore();
@@ -22,6 +27,12 @@ onMounted(async () => {
   if (!editorElement.value) return;
 
   await documentStore.initialize();
+  
+  // 如果有指定文档ID，则打开该文档
+  if (props.documentId) {
+    await documentStore.openDocument(props.documentId);
+  }
+  
   // 设置编辑器容器
   editorStore.setEditorContainer(editorElement.value);
 
@@ -35,6 +46,13 @@ onBeforeUnmount(() => {
     editorElement.value.removeEventListener('wheel', wheelHandler);
   }
 });
+
+// 监听文档ID变化
+watch(() => props.documentId, async (newDocId) => {
+  if (newDocId && documentStore.currentDocumentId !== newDocId) {
+    await documentStore.openDocument(newDocId);
+  }
+}, { immediate: true });
 </script>
 
 <template>
diff --git a/frontend/src/views/editor/manager/ExtensionManager.ts b/frontend/src/views/editor/manager/ExtensionManager.ts
index c9c88cb..c8f8b2a 100644
--- a/frontend/src/views/editor/manager/ExtensionManager.ts
+++ b/frontend/src/views/editor/manager/ExtensionManager.ts
@@ -29,27 +29,42 @@ export interface ExtensionFactory {
 }
 
 /**
- * 扩展区间信息
+ * 扩展状态
  */
-interface ExtensionCompartment {
+interface ExtensionState {
     id: ExtensionID
-    compartment: Compartment
     factory: ExtensionFactory
-    currentConfig?: any
+    config: any
     enabled: boolean
+    compartment: Compartment
+    extension: Extension
+}
+
+/**
+ * 视图信息
+ */
+interface EditorViewInfo {
+    view: EditorView
+    documentId: number
+    registered: boolean
 }
 
 /**
  * 扩展管理器
  * 负责管理所有动态扩展的注册、启用、禁用和配置更新
+ * 采用统一配置，多视图同步的设计模式
  */
 export class ExtensionManager {
-    private view: EditorView | null = null
-    private compartments = new Map<ExtensionID, ExtensionCompartment>()
+    // 统一的扩展状态存储
+    private extensionStates = new Map<ExtensionID, ExtensionState>()
+    
+    // 编辑器视图管理
+    private viewsMap = new Map<number, EditorViewInfo>()
+    private activeViewId: number | null = null
+    
+    // 注册的扩展工厂
     private extensionFactories = new Map<ExtensionID, ExtensionFactory>()
-    private updateQueue = new Map<ExtensionID, { enabled: boolean, config: any, timestamp: number }>()
-    private debounceTimeout: number | null = null
-
+    
     /**
      * 注册扩展工厂
      * @param id 扩展ID
@@ -57,13 +72,21 @@ export class ExtensionManager {
      */
     registerExtension(id: ExtensionID, factory: ExtensionFactory): void {
         this.extensionFactories.set(id, factory)
-        this.compartments.set(id, {
-            id,
-            compartment: new Compartment(),
-            factory,
-            currentConfig: factory.getDefaultConfig(),
-            enabled: false
-        })
+        
+        // 创建初始状态
+        if (!this.extensionStates.has(id)) {
+            const compartment = new Compartment()
+            const defaultConfig = factory.getDefaultConfig()
+            
+            this.extensionStates.set(id, {
+                id,
+                factory,
+                config: defaultConfig,
+                enabled: false,
+                compartment,
+                extension: []  // 默认为空扩展（禁用状态）
+            })
+        }
     }
 
     /**
@@ -82,70 +105,95 @@ export class ExtensionManager {
     }
 
     /**
-     * 根据后端配置获取初始扩展数组
+     * 从后端配置初始化扩展状态
      * @param extensionConfigs 后端扩展配置列表
-     * @returns CodeMirror扩展数组
      */
-    getInitialExtensions(extensionConfigs: ExtensionConfig[]): Extension[] {
-        const extensions: Extension[] = []
-
+    initializeExtensionsFromConfig(extensionConfigs: ExtensionConfig[]): void {
         for (const config of extensionConfigs) {
-            const compartmentInfo = this.compartments.get(config.id)
-            if (!compartmentInfo) {
-                continue
-            }
-
+            const factory = this.extensionFactories.get(config.id)
+            if (!factory) continue
+            
             // 验证配置
-            if (compartmentInfo.factory.validateConfig &&
-                !compartmentInfo.factory.validateConfig(config.config)) {
+            if (factory.validateConfig && !factory.validateConfig(config.config)) {
                 continue
             }
-
+            
             try {
-                const extension = config.enabled
-                    ? compartmentInfo.factory.create(config.config)
-                    : [] // 空扩展表示禁用
-
-                extensions.push(compartmentInfo.compartment.of(extension))
-
-                // 更新状态
-                compartmentInfo.currentConfig = config.config
-                compartmentInfo.enabled = config.enabled
+                // 创建扩展实例
+                const extension = config.enabled ? factory.create(config.config) : []
+                
+                // 如果状态已存在则更新，否则创建新状态
+                if (this.extensionStates.has(config.id)) {
+                    const state = this.extensionStates.get(config.id)!
+                    state.config = config.config
+                    state.enabled = config.enabled
+                    state.extension = extension
+                } else {
+                    const compartment = new Compartment()
+                    this.extensionStates.set(config.id, {
+                        id: config.id,
+                        factory,
+                        config: config.config,
+                        enabled: config.enabled,
+                        compartment,
+                        extension
+                    })
+                }
             } catch (error) {
-                console.error(`[ExtensionManager] Failed to create extension ${config.id}:`, error)
+                console.error(`Failed to initialize extension ${config.id}:`, error)
             }
         }
+    }
 
+    /**
+     * 获取初始扩展配置数组（用于创建编辑器）
+     * @returns CodeMirror扩展数组
+     */
+    getInitialExtensions(): Extension[] {
+        const extensions: Extension[] = []
+        
+        // 为每个注册的扩展添加compartment
+        for (const state of this.extensionStates.values()) {
+            extensions.push(state.compartment.of(state.extension))
+        }
+        
         return extensions
     }
 
     /**
      * 设置编辑器视图
      * @param view 编辑器视图实例
+     * @param documentId 文档ID
      */
-    setView(view: EditorView): void {
-        this.view = view
+    setView(view: EditorView, documentId: number): void {
+        // 保存视图信息
+        this.viewsMap.set(documentId, {
+            view,
+            documentId,
+            registered: true
+        })
+        
+        // 设置当前活动视图
+        this.activeViewId = documentId
     }
 
     /**
-     * 动态更新单个扩展（带防抖）
+     * 获取当前活动视图
+     */
+    private getActiveView(): EditorView | null {
+        if (this.activeViewId === null) return null
+        const viewInfo = this.viewsMap.get(this.activeViewId)
+        return viewInfo ? viewInfo.view : null
+    }
+
+    /**
+     * 更新单个扩展配置并应用到所有视图
      * @param id 扩展ID
      * @param enabled 是否启用
      * @param config 扩展配置
      */
     updateExtension(id: ExtensionID, enabled: boolean, config: any = {}): void {
-        // 添加到更新队列
-        this.updateQueue.set(id, {enabled, config, timestamp: Date.now()})
-
-        // 清除之前的防抖定时器
-        if (this.debounceTimeout) {
-            clearTimeout(this.debounceTimeout)
-        }
-
-        // 设置新的防抖定时器
-        this.debounceTimeout = window.setTimeout(() => {
-            this.flushUpdateQueue()
-        }, 100) // 100ms 防抖
+        this.updateExtensionImmediate(id, enabled, config)
     }
 
     /**
@@ -155,83 +203,54 @@ export class ExtensionManager {
      * @param config 扩展配置
      */
     updateExtensionImmediate(id: ExtensionID, enabled: boolean, config: any = {}): void {
-        if (!this.view) {
+        // 获取扩展状态
+        const state = this.extensionStates.get(id)
+        if (!state) return
+        
+        // 获取工厂
+        const factory = state.factory
+        
+        // 验证配置
+        if (factory.validateConfig && !factory.validateConfig(config)) {
             return
         }
-
-        const compartmentInfo = this.compartments.get(id)
-        if (!compartmentInfo) {
-            return
-        }
-
+        
         try {
-            // 验证配置
-            if (compartmentInfo.factory.validateConfig &&
-                !compartmentInfo.factory.validateConfig(config)) {
-                return
-            }
-
-            const extension = enabled
-                ? compartmentInfo.factory.create(config)
-                : []
-
-            this.view.dispatch({
-                effects: compartmentInfo.compartment.reconfigure(extension)
-            })
-
-            // 更新状态
-            compartmentInfo.currentConfig = config
-            compartmentInfo.enabled = enabled
-
+            // 创建新的扩展实例
+            const extension = enabled ? factory.create(config) : []
+            
+            // 更新内部状态
+            state.config = config
+            state.enabled = enabled
+            state.extension = extension
+            
+            // 应用到所有视图
+            this.applyExtensionToAllViews(id)
         } catch (error) {
-            console.error(`[ExtensionManager] Failed to update extension ${id}:`, error)
+            console.error(`Failed to update extension ${id}:`, error)
         }
     }
 
     /**
-     * 处理更新队列中的所有更新
+     * 将指定扩展的当前状态应用到所有视图
+     * @param id 扩展ID
      */
-    private flushUpdateQueue(): void {
-        if (!this.view) {
-            return
-        }
-
-        const effects: StateEffect<any>[] = []
-
-        for (const [id, update] of this.updateQueue) {
-            const compartmentInfo = this.compartments.get(id)
-            if (!compartmentInfo) {
-                continue
-            }
-
+    private applyExtensionToAllViews(id: ExtensionID): void {
+        const state = this.extensionStates.get(id)
+        if (!state) return
+        
+        // 遍历所有视图并应用更改
+        for (const viewInfo of this.viewsMap.values()) {
             try {
-                // 验证配置
-                if (compartmentInfo.factory.validateConfig &&
-                    !compartmentInfo.factory.validateConfig(update.config)) {
-                    continue
-                }
-
-                const extension = update.enabled
-                    ? compartmentInfo.factory.create(update.config)
-                    : []
-
-                effects.push(compartmentInfo.compartment.reconfigure(extension))
-
-                // 更新状态
-                compartmentInfo.currentConfig = update.config
-                compartmentInfo.enabled = update.enabled
+                if (!viewInfo.registered) continue
+                
+                viewInfo.view.dispatch({
+                    effects: state.compartment.reconfigure(state.extension)
+                })
             } catch (error) {
-                console.error(`[ExtensionManager] Failed to update extension ${id}:`, error)
+                console.error(`Failed to apply extension ${id} to document ${viewInfo.documentId}:`, error)
             }
         }
-
-        if (effects.length > 0) {
-            this.view.dispatch({effects})
-        }
-
-        // 清空更新队列
-        this.updateQueue.clear()
-        this.debounceTimeout = null
     }
 
     /**
@@ -243,42 +262,53 @@ export class ExtensionManager {
         enabled: boolean
         config: any
     }>): void {
-        if (!this.view) {
-            console.warn('Editor view not set')
-            return
-        }
-
-        const effects: StateEffect<any>[] = []
-
+        // 更新所有扩展状态
         for (const update of updates) {
-            const compartmentInfo = this.compartments.get(update.id)
-            if (!compartmentInfo) {
+            // 获取扩展状态
+            const state = this.extensionStates.get(update.id)
+            if (!state) continue
+            
+            // 获取工厂
+            const factory = state.factory
+            
+            // 验证配置
+            if (factory.validateConfig && !factory.validateConfig(update.config)) {
                 continue
             }
-
+            
             try {
-                // 验证配置
-                if (compartmentInfo.factory.validateConfig &&
-                    !compartmentInfo.factory.validateConfig(update.config)) {
-                    continue
-                }
-
-                const extension = update.enabled
-                    ? compartmentInfo.factory.create(update.config)
-                    : []
-
-                effects.push(compartmentInfo.compartment.reconfigure(extension))
-
-                // 更新状态
-                compartmentInfo.currentConfig = update.config
-                compartmentInfo.enabled = update.enabled
+                // 创建新的扩展实例
+                const extension = update.enabled ? factory.create(update.config) : []
+                
+                // 更新内部状态
+                state.config = update.config
+                state.enabled = update.enabled
+                state.extension = extension
             } catch (error) {
                 console.error(`Failed to update extension ${update.id}:`, error)
             }
         }
-
-        if (effects.length > 0) {
-            this.view.dispatch({effects})
+        
+        // 将更改应用到所有视图
+        for (const viewInfo of this.viewsMap.values()) {
+            if (!viewInfo.registered) continue
+            
+            const effects: StateEffect<any>[] = []
+            
+            for (const update of updates) {
+                const state = this.extensionStates.get(update.id)
+                if (!state) continue
+                
+                effects.push(state.compartment.reconfigure(state.extension))
+            }
+            
+            if (effects.length > 0) {
+                try {
+                    viewInfo.view.dispatch({ effects })
+                } catch (error) {
+                    console.error(`Failed to apply extensions to document ${viewInfo.documentId}:`, error)
+                }
+            }
         }
     }
 
@@ -290,14 +320,12 @@ export class ExtensionManager {
         enabled: boolean
         config: any
     } | null {
-        const compartmentInfo = this.compartments.get(id)
-        if (!compartmentInfo) {
-            return null
-        }
-
+        const state = this.extensionStates.get(id)
+        if (!state) return null
+        
         return {
-            enabled: compartmentInfo.enabled,
-            config: compartmentInfo.currentConfig
+            enabled: state.enabled,
+            config: state.config
         }
     }
 
@@ -306,28 +334,32 @@ export class ExtensionManager {
      * @param id 扩展ID
      */
     resetExtensionToDefault(id: ExtensionID): void {
-        const compartmentInfo = this.compartments.get(id)
-        if (!compartmentInfo) {
-            return
-        }
-
-        const defaultConfig = compartmentInfo.factory.getDefaultConfig()
+        const state = this.extensionStates.get(id)
+        if (!state) return
+        
+        const defaultConfig = state.factory.getDefaultConfig()
         this.updateExtension(id, true, defaultConfig)
     }
 
+    /**
+     * 从管理器中移除视图
+     * @param documentId 文档ID
+     */
+    removeView(documentId: number): void {
+        if (this.activeViewId === documentId) {
+            this.activeViewId = null
+        }
+        
+        this.viewsMap.delete(documentId)
+    }
+
     /**
      * 销毁管理器
      */
     destroy(): void {
-        // 清除防抖定时器
-        if (this.debounceTimeout) {
-            clearTimeout(this.debounceTimeout)
-            this.debounceTimeout = null
-        }
-
-        this.view = null
-        this.compartments.clear()
+        this.viewsMap.clear()
+        this.activeViewId = null
         this.extensionFactories.clear()
-        this.updateQueue.clear()
+        this.extensionStates.clear()
     }
 } 
\ No newline at end of file
diff --git a/frontend/src/views/editor/manager/index.ts b/frontend/src/views/editor/manager/index.ts
index dbb543b..d6cd72b 100644
--- a/frontend/src/views/editor/manager/index.ts
+++ b/frontend/src/views/editor/manager/index.ts
@@ -1,4 +1,5 @@
 import {Extension} from '@codemirror/state'
+import {EditorView} from '@codemirror/view'
 import {useExtensionStore} from '@/stores/extensionStore'
 import {ExtensionManager} from './ExtensionManager'
 import {registerAllExtensions} from './factories'
@@ -11,8 +12,9 @@ const extensionManager = new ExtensionManager()
 /**
  * 异步创建动态扩展
  * 确保扩展配置已加载
+ * @param documentId 可选的文档ID，用于提前初始化视图
  */
-export const createDynamicExtensions = async (): Promise<Extension[]> => {
+export const createDynamicExtensions = async (documentId?: number): Promise<Extension[]> => {
     const extensionStore = useExtensionStore()
 
     // 注册所有扩展工厂
@@ -23,10 +25,11 @@ export const createDynamicExtensions = async (): Promise<Extension[]> => {
         await extensionStore.loadExtensions()
     }
 
-    // 获取启用的扩展配置
-    const enabledExtensions = extensionStore.enabledExtensions
+    // 初始化扩展管理器配置
+    extensionManager.initializeExtensionsFromConfig(extensionStore.extensions)
 
-    return extensionManager.getInitialExtensions(enabledExtensions)
+    // 获取初始扩展配置
+    return extensionManager.getInitialExtensions()
 }
 
 /**
@@ -40,9 +43,18 @@ export const getExtensionManager = (): ExtensionManager => {
 /**
  * 设置编辑器视图到扩展管理器
  * @param view 编辑器视图
+ * @param documentId 文档ID
  */
-export const setExtensionManagerView = (view: any): void => {
-    extensionManager.setView(view)
+export const setExtensionManagerView = (view: EditorView, documentId: number): void => {
+    extensionManager.setView(view, documentId)
+}
+
+/**
+ * 从扩展管理器移除编辑器视图
+ * @param documentId 文档ID
+ */
+export const removeExtensionManagerView = (documentId: number): void => {
+    extensionManager.removeView(documentId)
 }
 
 // 导出相关模块
diff --git a/frontend/src/views/settings/Settings.vue b/frontend/src/views/settings/Settings.vue
index 382c60f..d183d99 100644
--- a/frontend/src/views/settings/Settings.vue
+++ b/frontend/src/views/settings/Settings.vue
@@ -8,6 +8,11 @@ const { t } = useI18n();
 const router = useRouter();
 const route = useRoute();
 
+// 接收路由传入的参数
+const props = defineProps<{
+  returnDocumentId?: number | null
+}>();
+
 // 导航配置
 const navItems = [
   { id: 'general', icon: '⚙️', route: '/settings/general' },
@@ -28,7 +33,15 @@ const handleNavClick = (item: typeof navItems[0]) => {
 
 // 返回编辑器
 const goBackToEditor = async () => {
-  await router.push('/');
+  // 如果有返回文档ID，则传递参数
+  if (props.returnDocumentId) {
+    await router.push({
+      path: '/',
+      query: { documentId: props.returnDocumentId }
+    });
+  } else {
+    await router.push('/');
+  }
 };
 
 </script>
diff --git a/frontend/src/views/settings/pages/ExtensionsPage.vue b/frontend/src/views/settings/pages/ExtensionsPage.vue
index df49f72..2e24924 100644
--- a/frontend/src/views/settings/pages/ExtensionsPage.vue
+++ b/frontend/src/views/settings/pages/ExtensionsPage.vue
@@ -69,6 +69,9 @@ const updateExtensionConfig = async (extensionId: ExtensionID, configKey: string
     // 更新配置
     const updatedConfig = {...extension.config, [configKey]: value}
 
+    console.log(`[ExtensionsPage] 更新扩展 ${extensionId} 配置, ${configKey}=${value}`)
+    
+    // 使用editorStore的updateExtension方法更新，确保应用到所有编辑器实例
     await editorStore.updateExtension(extensionId, extension.enabled, updatedConfig)
 
   } catch (error) {
@@ -79,16 +82,18 @@ const updateExtensionConfig = async (extensionId: ExtensionID, configKey: string
 // 重置扩展到默认配置
 const resetExtension = async (extensionId: ExtensionID) => {
   try {
+    // 重置到默认配置（后端）
     await ExtensionService.ResetExtensionToDefault(extensionId)
 
     // 重新加载扩展状态以获取最新配置
     await extensionStore.loadExtensions()
 
-    // 获取重置后的状态，立即通知编辑器更新
+    // 获取重置后的状态，立即应用到所有编辑器视图
     const extension = extensionStore.extensions.find(ext => ext.id === extensionId)
     if (extension) {
-      const manager = getExtensionManager()
-      manager.updateExtension(extensionId, extension.enabled, extension.config)
+      // 通过editorStore更新，确保所有视图都能同步
+      await editorStore.updateExtension(extensionId, extension.enabled, extension.config)
+      console.log(`[ExtensionsPage] 重置扩展 ${extensionId} 配置，同步应用到所有编辑器实例`)
     }
   } catch (error) {
     console.error('Failed to reset extension:', error)