优化SidebarMenu组件的内容渲染逻辑，使用useRef缓存选项卡内容以提高性能。更新联系人状态管理，添加搜索关键词的防抖处理，确保搜索请求不会频繁触发。引入当前用户ID的检查以优化搜索结果的处理。

Touchkebao/src/store/module/weChat/contacts.ts

@@ -3,6 +3,10 @@ import { persist } from "zustand/middleware";
 import { ContactGroupByLabel } from "@/pages/pc/ckbox/data";
 import { Contact } from "@/utils/db";
 import { ContactManager } from "@/utils/dbAction";
+import { useUserStore } from "@/store/module/user";
+
+const SEARCH_DEBOUNCE_DELAY = 300;
+let searchDebounceTimer: ReturnType<typeof setTimeout> | null = null;
 
 /**
  * 联系人状态管理接口
@@ -171,8 +175,16 @@ export const useContactStore = create<ContactState>()(
 
       setSearchKeyword: (keyword: string) => {
         set({ searchKeyword: keyword });
+
+        if (searchDebounceTimer) {
+          clearTimeout(searchDebounceTimer);
+          searchDebounceTimer = null;
+        }
+
         if (keyword.trim()) {
-          get().searchContacts(keyword);
+          searchDebounceTimer = setTimeout(() => {
+            get().searchContacts(keyword);
+          }, SEARCH_DEBOUNCE_DELAY);
         } else {
           set({ isSearchMode: false, searchResults: [] });
         }
@@ -204,8 +216,15 @@ export const useContactStore = create<ContactState>()(
         set({ loading: true, isSearchMode: true });
 
         try {
+          const currentUserId = useUserStore.getState().user?.id;
+
+          if (!currentUserId) {
+            set({ searchResults: [], isSearchMode: false, loading: false });
+            return;
+          }
+
           const results = await ContactManager.searchContacts(
-            get().currentContact?.userId || 0,
+            currentUserId,
             keyword,
           );
           set({ searchResults: results });