diff --git a/lib/modules/common/widgets/version_update_dialog.dart b/lib/modules/common/widgets/version_update_dialog.dart
index a52077bdf..cb0a59f03 100644
--- a/lib/modules/common/widgets/version_update_dialog.dart
+++ b/lib/modules/common/widgets/version_update_dialog.dart
@@ -4,7 +4,7 @@ import 'package:get/get.dart';
 import '../../../data/models/channel_app_model.dart';
 import '../../../data/services/version_update_service.dart';
 
-/// 版本更新提示对话框
+/// 版本更新提示对话框 - 禁止外部关闭
 class VersionUpdateDialog extends StatelessWidget {
   final VersionUpdateInfo updateInfo;
   final VoidCallback? onCancel;
@@ -20,8 +20,24 @@ class VersionUpdateDialog extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final isDarkMode = Theme.of(context).brightness == Brightness.dark;
-    
+
+    // 在强制更新时添加拦截层
+    Widget dialogContent = _buildDialogContent(isDarkMode);
+    //if (updateInfo.updateType == UpdateType.force) {
+    return PopScope(
+      canPop: false, // 完全禁用返回键关闭
+      child: dialogContent,
+    );
+    //}
+
+    //return dialogContent;
+  }
+
+  /// 构建对话框内容
+  Widget _buildDialogContent(bool isDarkMode) {
     return Dialog(
+      // 关键修改：禁用外部点击关闭
+      //barrierDismissible: false,
       shape: RoundedRectangleBorder(
         borderRadius: BorderRadius.circular(16.r),
       ),
@@ -49,9 +65,9 @@ class VersionUpdateDialog extends StatelessWidget {
                 color: Colors.blue,
               ),
             ),
-            
+
             SizedBox(height: 16.h),
-            
+
             // 标题
             Text(
               '发现新版本',
@@ -61,9 +77,9 @@ class VersionUpdateDialog extends StatelessWidget {
                 color: isDarkMode ? Colors.white : Colors.black87,
               ),
             ),
-            
+
             SizedBox(height: 8.h),
-            
+
             // 版本信息
             Text(
               '${updateInfo.currentVersion} → ${updateInfo.latestVersion}',
@@ -72,9 +88,9 @@ class VersionUpdateDialog extends StatelessWidget {
                 color: isDarkMode ? Colors.grey[400] : Colors.grey[600],
               ),
             ),
-            
+
             SizedBox(height: 16.h),
-            
+
             // 更新描述
             if (updateInfo.appInfo?.description.isNotEmpty == true) ...[
               Container(
@@ -95,7 +111,7 @@ class VersionUpdateDialog extends StatelessWidget {
               ),
               SizedBox(height: 20.h),
             ],
-            
+
             // 按钮区域
             Row(
               children: [
@@ -112,7 +128,9 @@ class VersionUpdateDialog extends StatelessWidget {
                         shape: RoundedRectangleBorder(
                           borderRadius: BorderRadius.circular(8.r),
                           side: BorderSide(
-                            color: isDarkMode ? Colors.grey[600]! : Colors.grey[300]!,
+                            color: isDarkMode
+                                ? Colors.grey[600]!
+                                : Colors.grey[300]!,
                           ),
                         ),
                       ),
@@ -120,14 +138,15 @@ class VersionUpdateDialog extends StatelessWidget {
                         '稍后提醒',
                         style: TextStyle(
                           fontSize: 16.sp,
-                          color: isDarkMode ? Colors.grey[400] : Colors.grey[600],
+                          color:
+                              isDarkMode ? Colors.grey[400] : Colors.grey[600],
                         ),
                       ),
                     ),
                   ),
                   SizedBox(width: 12.w),
                 ],
-                
+
                 // 更新按钮
                 Expanded(
                   child: ElevatedButton(
@@ -205,7 +224,7 @@ class VersionUpdateDialog extends StatelessWidget {
       if (Get.isDialogOpen == true) {
         Get.back();
       }
-      
+
       Get.snackbar(
         '更新失败',
         '更新过程中发生错误，请稍后重试',
@@ -220,7 +239,10 @@ class VersionUpdateDialog extends StatelessWidget {
   static Future<void> show(VersionUpdateInfo updateInfo) async {
     await Get.dialog(
       VersionUpdateDialog(updateInfo: updateInfo),
-      barrierDismissible: updateInfo.updateType != UpdateType.force,
+      // 关键修改：禁用外部点击关闭
+      barrierDismissible: false,
+      // 防止返回键关闭（在强制更新模式下）
+      //useRootNavigator: true,
     );
   }
 }