diff --git a/src/services/message/messageService.ts b/src/services/message/messageService.ts
index 31e9961..2cacf0f 100644
--- a/src/services/message/messageService.ts
+++ b/src/services/message/messageService.ts
@@ -94,13 +94,6 @@ class MessageService {
     }
   }
 
-  private async refreshConversationsFromServer(
-    page = 1,
-    pageSize = 20
-  ): Promise<ConversationListResponse> {
-    return this.requestOffsetConversationsPage(page, pageSize);
-  }
-
   /**
    * 远端会话列表单页（offset / cursor 统一入口）
    * 两种模式均先写 SQLite 再返回，行为与 NetworkRemoteConversationListPagedSource 配套。
@@ -175,50 +168,6 @@ class MessageService {
     };
   }
 
-  // ==================== 会话相关 ====================
-
-  /**
-   * 获取会话列表
-   * GET /api/v1/conversations/list
-   */
-  async getConversations(
-    page = 1,
-    pageSize = 20,
-    forceRefresh = false
-  ): Promise<ConversationListResponse> {
-    // 如果强制刷新,直接从服务器获取,不使用缓存
-    if (!forceRefresh) {
-      const cachedList = await conversationRepository.getListCache();
-      if (cachedList.length > 0) {
-        // 后台刷新数据,但不阻塞当前返回
-        this.refreshConversationsFromServer(page, pageSize).catch(error => {
-          console.error('后台刷新会话列表失败:', error);
-        });
-        return {
-          list: cachedList,
-          total: cachedList.length,
-          page: 1,
-          page_size: cachedList.length,
-          total_pages: 1,
-        };
-      }
-    }
-
-    // 强制刷新或没有缓存时,直接从服务器获取
-    try {
-      return await this.refreshConversationsFromServer(page, pageSize);
-    } catch (error) {
-      console.error('获取会话列表失败:', error);
-      return {
-        list: [],
-        total: 0,
-        page: 1,
-        page_size: pageSize,
-        total_pages: 0,
-      };
-    }
-  }
-
   /**
    * 创建私聊会话
    * POST /api/v1/conversations
@@ -428,98 +377,6 @@ class MessageService {
     }
   }
 
-  /**
-   * 发送文本消息（便捷方法）
-   */
-  async sendTextMessage(
-    conversationId: string,
-    content: string,
-    detailType: 'private' | 'group' = 'private'
-  ): Promise<MessageResponse> {
-    return this.sendTextMessageByAction(detailType, conversationId, content);
-  }
-
-  /**
-   * 通过 HTTP POST 发送文本消息
-   * @param detailType 消息类型: 'private' 私聊, 'group' 群聊
-   * @param conversationId 会话ID
-   * @param text 文本内容
-   * @returns 消息响应
-   */
-  async sendTextMessageByAction(
-    detailType: 'private' | 'group',
-    conversationId: string,
-    text: string
-  ): Promise<MessageResponse> {
-    const message: MessageSegment[] = [
-      {
-        type: 'text',
-        data: {
-          text: text,
-        },
-      },
-    ];
-    return this.sendMessageByAction(detailType, conversationId, message);
-  }
-
-  /**
-   * 发送图片消息（便捷方法）
-   */
-  async sendImageMessage(
-    conversationId: string,
-    mediaUrl: string,
-    content?: string,
-    detailType: 'private' | 'group' = 'private'
-  ): Promise<MessageResponse> {
-    const message: MessageSegment[] = [
-      {
-        type: 'image',
-        data: {
-          url: mediaUrl,
-        },
-      },
-    ];
-    // 如果有文本说明，添加一个文本段
-    if (content) {
-      message.unshift({
-        type: 'text',
-        data: { text: content },
-      });
-    }
-    return this.sendMessageByAction(detailType, conversationId, message);
-  }
-
-  /**
-   * 发送 segments 格式消息（新版统一格式）
-   * @param conversationId 会话ID
-   * @param segments 消息链数组
-   * @param detailType 消息类型
-   */
-  async sendSegmentsMessage(
-    conversationId: string,
-    segments: MessageSegment[],
-    detailType: 'private' | 'group' = 'private'
-  ): Promise<MessageResponse> {
-    return this.sendMessageByAction(detailType, conversationId, segments);
-  }
-
-  /**
-   * 发送带回复的 segments 消息
-   * @param conversationId 会话ID
-   * @param segments 消息链数组
-   * @param replyToId 被回复消息的ID
-   * @param detailType 消息类型
-   */
-  async sendReplySegmentsMessage(
-    conversationId: string,
-    segments: MessageSegment[],
-    replyToId: string,
-    detailType: 'private' | 'group' = 'private'
-  ): Promise<MessageResponse> {
-    // 使用 reply_to_id 参数发送回复消息
-    return this.sendMessageByAction(detailType, conversationId, segments, replyToId);
-  }
-
   /**
    * 撤回/删除消息
    * 优先使用WebSocket，失败时降级到HTTP
@@ -619,68 +476,6 @@ class MessageService {
     return response.data?.conversations || [];
   }
 
-  /**
-   * 获取单个会话未读数
-   * GET /api/v1/conversations/unread/count?conversation_id=xxx
-   */
-  async getConversationUnreadCount(
-    conversationId: string
-  ): Promise<ConversationUnreadCountResponse> {
-    try {
-      const response = await api.get<ConversationUnreadCountResponse>(
-        '/conversations/unread/count',
-        { conversation_id: conversationId }
-      );
-      return response.data;
-    } catch (error) {
-      console.error('获取会话未读数失败:', error);
-      return {
-        conversation_id: conversationId,
-        unread_count: 0,
-      };
-    }
-  }
-
-  // ==================== 系统消息相关 ====================
-
-  /**
-   * 获取系统消息列表
-   * GET /api/v1/messages/system
-   * @param limit 返回数量限制
-   * @param beforeId 获取此ID之前的消息（用于分页）
-   */
-  async getSystemMessages(
-    pageSize: number = 20,
-    page: number = 1
-  ): Promise<SystemMessageListResponse> {
-    try {
-      const response = await api.get<{
-        list: any[];
-        total: number;
-        page: number;
-        page_size: number;
-        total_pages: number;
-      }>('/messages/system', {
-        page,
-        page_size: pageSize,
-      });
-      
-      const data = response.data;
-      return {
-        messages: data.list || [],
-        total: data.total || 0,
-        has_more: data.page < data.total_pages,
-      };
-    } catch (error) {
-      console.error('获取系统消息列表失败:', error);
-      return {
-        messages: [],
-        total: 0,
-        has_more: false,
-      };
-    }
-  }
-
   /**
    * 获取系统消息未读数
    * GET /api/v1/messages/system/unread-count
@@ -714,41 +509,6 @@ class MessageService {
     await api.put('/messages/system/read-all');
   }
 
-  // ==================== 游标分页方法 ====================
-
-  /**
-   * 获取消息列表（游标分页）
-   * GET /api/v1/conversations/:id/messages/cursor
-   * @param conversationId 会话ID
-   * @param params 游标分页请求参数
-   */
-  async getMessagesCursor(
-    conversationId: string,
-    params: CursorPaginationRequest = {}
-  ): Promise<CursorPaginationResponse<MessageResponse>> {
-    try {
-      const response = await api.get<any>(
-        `/conversations/${encodeURIComponent(conversationId)}/messages/cursor`,
-        params
-      );
-      const raw = response.data;
-      return {
-        list: Array.isArray(raw?.list) ? raw.list : [],
-        next_cursor: raw?.next_cursor ?? null,
-        prev_cursor: raw?.prev_cursor ?? null,
-        has_more: raw?.has_more ?? false,
-      };
-    } catch (error) {
-      console.error('获取消息列表失败:', error);
-      return {
-        list: [],
-        next_cursor: null,
-        prev_cursor: null,
-        has_more: false,
-      };
-    }
-  }
-
   /**
    * 获取系统消息列表（游标分页）
    * GET /api/v1/messages/system/cursor
diff --git a/src/stores/message/MessageManager.ts b/src/stores/message/MessageManager.ts
index b2c1c1b..86806ca 100644
--- a/src/stores/message/MessageManager.ts
+++ b/src/stores/message/MessageManager.ts
@@ -1,14 +1,8 @@
 /**
- * MessageManager - 消息管理核心模块（重构版）
- * 
+ * MessageManager - 消息管理核心模块
+ *
  * 作为轻量级协调者，整合各个专注的服务模块
  * 直接使用 zustand store 进行状态管理
- * 
- * 重构说明：
- * - 移除了 MessageStateManager 包装层
- * - 直接使用 zustand store
- * - 服务层移至 services/ 目录
- * - 移除了 SubscriptionManager，改用 Zustand selector 进行响应式订阅
  */
 
 import type { ConversationResponse, MessageResponse, MessageSegment, UserDTO } from '../../types/dto';
diff --git a/src/stores/message/baseHooks.ts b/src/stores/message/baseHooks.ts
index 4638d03..972aa41 100644
--- a/src/stores/message/baseHooks.ts
+++ b/src/stores/message/baseHooks.ts
@@ -1,14 +1,9 @@
 /**
  * 消息模块 React Hooks
- * 
+ *
  * 提供React组件与消息状态管理的集成
  * 所有hooks都基于zustand store的selector机制
  * 确保组件能实时获取状态更新
- * 
- * 重构说明：
- * - 移除了 SubscriptionManager，改用 Zustand selector
- * - Zustand 会自动处理依赖追踪和组件重渲染
- * - 不需要手动管理订阅/取消订阅
  */
 
 import { useState, useEffect, useCallback, useRef } from 'react';
diff --git a/src/stores/message/index.ts b/src/stores/message/index.ts
index e017b10..d5f0b52 100644
--- a/src/stores/message/index.ts
+++ b/src/stores/message/index.ts
@@ -1,12 +1,5 @@
 /**
  * 消息模块统一导出
- * 
- * 重构说明：
- * - 移除了 MessageStateManager 包装层
- * - 直接使用 zustand store 进行状态管理
- * - 服务层移至 services/ 目录
- * - 新增 hooks.ts 封装常用逻辑
- * - 移除了 SubscriptionManager，改用 Zustand selector 进行响应式订阅
  */
 
 // ==================== 主管理器 ====================
diff --git a/src/stores/message/services/ConversationOperations.ts b/src/stores/message/services/ConversationOperations.ts
index 6d02184..73549c8 100644
--- a/src/stores/message/services/ConversationOperations.ts
+++ b/src/stores/message/services/ConversationOperations.ts
@@ -1,10 +1,6 @@
 /**
  * 会话操作服务
  * 处理会话的 CRUD 操作
- * 
- * 重构说明：
- * - 直接使用 zustand store 替代 IMessageStateManager
- * - 移除了 SubscriptionManager 调用，Zustand 的 set() 会自动触发组件重渲染
  */
 
 import type { ConversationResponse } from '../../../types/dto';
diff --git a/src/stores/message/services/MessageSendService.ts b/src/stores/message/services/MessageSendService.ts
index 4bfe214..cffd26b 100644
--- a/src/stores/message/services/MessageSendService.ts
+++ b/src/stores/message/services/MessageSendService.ts
@@ -1,10 +1,6 @@
 /**
  * 消息发送服务
  * 处理消息发送相关逻辑
- * 
- * 重构说明：
- * - 直接使用 zustand store 替代 IMessageStateManager
- * - 移除了 SubscriptionManager 调用，Zustand 的 set() 会自动触发组件重渲染
  */
 
 import type { MessageResponse, MessageSegment, ConversationResponse } from '../../../types/dto';
diff --git a/src/stores/message/services/MessageSyncService.ts b/src/stores/message/services/MessageSyncService.ts
index 4c53995..117b99e 100644
--- a/src/stores/message/services/MessageSyncService.ts
+++ b/src/stores/message/services/MessageSyncService.ts
@@ -1,10 +1,6 @@
 /**
  * 消息同步服务
  * 处理消息和会话的服务器同步逻辑
- * 
- * 重构说明：
- * - 直接使用 zustand store 替代 IMessageStateManager
- * - 移除了 SubscriptionManager 调用，Zustand 的 set() 会自动触发组件重渲染
  */
 
 import type { ConversationResponse, MessageResponse } from '../../../types/dto';
diff --git a/src/stores/message/services/ReadReceiptManager.ts b/src/stores/message/services/ReadReceiptManager.ts
index 1cde516..5e18605 100644
--- a/src/stores/message/services/ReadReceiptManager.ts
+++ b/src/stores/message/services/ReadReceiptManager.ts
@@ -1,10 +1,6 @@
 /**
  * 已读回执管理器
  * 管理消息已读状态的同步和保护
- * 
- * 重构说明：
- * - 直接使用 zustand store 替代 IMessageStateManager
- * - 移除了 SubscriptionManager 调用，Zustand 的 set() 会自动触发组件重渲染
  */
 
 import type { ConversationResponse } from '../../../types/dto';
diff --git a/src/stores/message/services/WSMessageHandler.ts b/src/stores/message/services/WSMessageHandler.ts
index a0af095..77d1a19 100644
--- a/src/stores/message/services/WSMessageHandler.ts
+++ b/src/stores/message/services/WSMessageHandler.ts
@@ -1,10 +1,6 @@
 /**
  * WebSocket 消息处理器
  * 处理所有来自 WebSocket 的消息事件
- * 
- * 重构说明：
- * - 直接使用 zustand store 替代 IMessageStateManager
- * - 移除了 SubscriptionManager 调用，Zustand 的 set() 会自动触发组件重渲染
  */
 
 import type {
diff --git a/src/stores/message/services/index.ts b/src/stores/message/services/index.ts
index a0e86b2..47ec3f9 100644
--- a/src/stores/message/services/index.ts
+++ b/src/stores/message/services/index.ts
@@ -1,7 +1,5 @@
 /**
  * 消息服务层统一导出
- * 
- * 重构说明：所有服务直接使用 zustand store，移除了 IMessageStateManager 接口依赖
  */
 
 // 消息去重服务
diff --git a/src/stores/message/store.ts b/src/stores/message/store.ts
index cbab6de..1530c4a 100644
--- a/src/stores/message/store.ts
+++ b/src/stores/message/store.ts
@@ -1,11 +1,6 @@
 /**
  * 消息状态 Zustand Store
  * 使用 zustand 进行状态管理，提供响应式状态更新
- *
- * 重构说明：
- * - 移除了 MessageStateManager 包装层
- * - 直接使用 zustand store 进行状态管理
- * - 移除了 SubscriptionManager，改用 Zustand selector 进行响应式订阅
  */
 
 import { create } from 'zustand';
@@ -78,7 +73,6 @@ export interface MessageActions {
   isNotificationMuted: (conversationId: string) => boolean;
 
   // 设置状态
-  setConversations: (conversations: Map<string, ConversationResponse>) => void;
   setConversationsWithUnread: (
     conversations: Map<string, ConversationResponse>,
     totalUnread: number,
@@ -87,8 +81,6 @@ export interface MessageActions {
   updateConversation: (conversation: ConversationResponse) => void;
   removeConversation: (conversationId: string) => void;
   setMessages: (conversationId: string, messages: MessageResponse[]) => void;
-  addMessage: (conversationId: string, message: MessageResponse) => void;
-  updateMessage: (conversationId: string, messageId: string, updates: Partial<MessageResponse>) => void;
   setUnreadCount: (total: number, system: number) => void;
   setLastSystemMessageAt: (time: string | null) => void;
   setSSEConnected: (connected: boolean) => void;
@@ -253,21 +245,6 @@ export const useMessageStore = create<MessageStore>((set, get) => ({
 
   // ==================== 设置状态 ====================
 
-  setConversations: (conversations: Map<string, ConversationResponse>) => {
-    const conversationList = sortConversationList(conversations);
-    const notificationMutedMap = new Map<string, boolean>();
-    conversations.forEach((conv, id) => {
-      if (conv.notification_muted) {
-        notificationMutedMap.set(id, true);
-      }
-    });
-    set(state => ({
-      conversations,
-      conversationList,
-      notificationMutedMap: new Map([...state.notificationMutedMap, ...notificationMutedMap]),
-    }));
-  },
-
   setConversationsWithUnread: (
     conversations: Map<string, ConversationResponse>,
     totalUnread: number,
@@ -348,39 +325,6 @@ export const useMessageStore = create<MessageStore>((set, get) => ({
     });
   },
 
-  addMessage: (conversationId: string, message: MessageResponse) => {
-    const normalizedId = normalizeConversationId(conversationId);
-    set(state => {
-      const existing = state.messagesMap.get(normalizedId) || [];
-      const exists = existing.some(m => String(m.id) === String(message.id));
-
-      if (exists) {
-        return state;
-      }
-
-      const updated = mergeMessagesById(existing, [message]);
-      const newMessagesMap = new Map(state.messagesMap);
-      newMessagesMap.set(normalizedId, updated);
-      return { messagesMap: newMessagesMap };
-    });
-  },
-
-  updateMessage: (conversationId: string, messageId: string, updates: Partial<MessageResponse>) => {
-    const normalizedId = normalizeConversationId(conversationId);
-    set(state => {
-      const messages = state.messagesMap.get(normalizedId);
-      if (!messages) return state;
-
-      const updated = messages.map(m =>
-        String(m.id) === String(messageId) ? { ...m, ...updates } : m
-      );
-
-      const newMessagesMap = new Map(state.messagesMap);
-      newMessagesMap.set(normalizedId, updated);
-      return { messagesMap: newMessagesMap };
-    });
-  },
-
   setUnreadCount: (total: number, system: number) => {
     set({ totalUnreadCount: total, systemUnreadCount: system });
   },
diff --git a/src/stores/message/types.ts b/src/stores/message/types.ts
index 08e409f..992946a 100644
--- a/src/stores/message/types.ts
+++ b/src/stores/message/types.ts
@@ -73,7 +73,9 @@ export interface IMessageSyncService {
   fetchMessages(conversationId: string, afterSeq?: number): Promise<void>;
   loadMoreMessages(conversationId: string, beforeSeq: number, limit?: number): Promise<MessageResponse[]>;
   fetchUnreadCount(): Promise<void>;
+  syncBySeq(): Promise<boolean>;
   canLoadMoreConversations(): boolean;
+  restartSources(): void;
 }
 
 export interface IWSMessageHandler {