diff --git a/lib/data/services/account_service.dart b/lib/data/services/account_service.dart
index 96ae06708..5fbaf41ee 100644
--- a/lib/data/services/account_service.dart
+++ b/lib/data/services/account_service.dart
@@ -1,9 +1,11 @@
 import 'package:get/get.dart';
 import 'package:get_storage/get_storage.dart';
 import 'package:logger/logger.dart';
+import '../../core/utils/synchrodata.dart';
 import '../../modules/login/controllers/googleLogin.dart';
 import '../../modules/login/controllers/facebookLogin.dart';
 import '../services/network/api.dart';
+import 'db/database_helper.dart';
 
 /// 账号管理服务
 ///
@@ -76,6 +78,12 @@ class AccountService extends GetxService {
   /// 返回操作结果，包含成功状态和错误信息
   Future<AccountOperationResult> signOut() async {
     try {
+      // 上传会议记录操作记录
+      await Synchrodata.uploadOperationRecords();
+
+      // 关闭数据库连接
+      await DatabaseHelper().close();
+
       // 清理本地数据
       final dataCleaned = await clearUserData();
       if (!dataCleaned) {
diff --git a/lib/data/services/db/database_helper.dart b/lib/data/services/db/database_helper.dart
index b0d7562c0..34941efbe 100644
--- a/lib/data/services/db/database_helper.dart
+++ b/lib/data/services/db/database_helper.dart
@@ -22,6 +22,8 @@ class DatabaseHelper {
     Map? userInfo = storage.read("user_info");
     if (userInfo != null) {
       _userId = userInfo['user']['uid'];
+    } else {
+      _userId = '';
     }
     String path = join(
       await getDatabasesPath(),
@@ -115,4 +117,11 @@ class DatabaseHelper {
     });
     await batch.commit();
   }
+
+  Future<void> close() async {
+    if (_database != null) {
+      await _database!.close();
+      _database = null;
+    }
+  }
 }
diff --git a/lib/modules/profile/controllers/profile_controller.dart b/lib/modules/profile/controllers/profile_controller.dart
index a26ec587e..50493ad08 100644
--- a/lib/modules/profile/controllers/profile_controller.dart
+++ b/lib/modules/profile/controllers/profile_controller.dart
@@ -6,7 +6,6 @@ import 'package:flutter/material.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:logger/logger.dart';
 import '../../../data/models/user_Info.dart';
-import '../../settings/controllers/settings_controller.dart';
 import 'dart:io';
 //import 'dart:convert';
 import 'package:flutter_image_compress/flutter_image_compress.dart';