diff --git a/lib/main_page.dart b/lib/main_page.dart
index 58acba26..2fb43dbb 100644
--- a/lib/main_page.dart
+++ b/lib/main_page.dart
@@ -20,9 +20,11 @@ import 'package:huixiang/union/union_page.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:huixiang/utils/bridge.dart';
 import 'package:huixiang/utils/event_type.dart';
+import 'package:huixiang/utils/flutter_utils.dart';
 import 'package:huixiang/utils/font_weight.dart';
 import 'package:huixiang/utils/native_event_handler.dart';
 import 'package:huixiang/view_widget/update_dialog.dart';
+import 'package:package_info/package_info.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:sharesdk_plugin/sharesdk_interface.dart';
@@ -50,8 +52,6 @@ class _MainPage extends State<MainPage> with WidgetsBindingObserver {
   final GlobalKey homePageKey = GlobalKey();
   // List<String> iconn;
   ApiService apiService;
-  String version = "1.0.1";
-  AppUpdate appUpdate;
 
 
   @override
@@ -80,7 +80,6 @@ class _MainPage extends State<MainPage> with WidgetsBindingObserver {
   void initState() {
     super.initState();
     WidgetsBinding.instance.addObserver(this);
-
     EasyLoading.instance
       ..indicatorType = EasyLoadingIndicatorType.circle
       // ..indicatorType = EasyLoadingIndicatorType.wave
@@ -327,19 +326,30 @@ class _MainPage extends State<MainPage> with WidgetsBindingObserver {
 
   ///app自动更新
   appAutoUpdate() async {
+    SharedPreferences value = await SharedPreferences.getInstance();
     if (apiService == null) {
-      SharedPreferences value = await SharedPreferences.getInstance();
       apiService = ApiService(
           Dio(),
           context: context,
           token: value.getString("token"),
-          showLoading: true
       );
     }
+    PackageInfo packageInfo = await PackageInfo.fromPlatform();
     BaseData<AppUpdate> baseData = await apiService.appVersion().catchError((onError) {});
     if (baseData != null && baseData.isSuccess) {
-      if(version != appUpdate?.appLastVersion ?? ""){
-        showAlertDialog(version);
+      if(AppUtils.versionCompare(packageInfo.version,baseData.data?.appLastVersion)
+          && AppUtils.versionCompare(value.getString("appLastVersion")??"1.0.0",baseData.data?.appLastVersion)){
+        showDialog(
+          context: context,
+          barrierDismissible: false,
+          builder: (BuildContext context) {
+            return WillPopScope(
+                child:UpdateDialog(packageInfo.version,baseData.data),
+                onWillPop: () async {
+                  return Future.value(false);
+                });
+          },
+        );
       }else{
         return;
       }
@@ -475,18 +485,6 @@ class _MainPage extends State<MainPage> with WidgetsBindingObserver {
     );
   }
 
-  ///app更新弹窗
-  showAlertDialog(version) {
-    //显示对话框
-    showDialog(
-      context: context,
-      builder: (BuildContext context) {
-        return UpdateDialog(version,appUpdate);
-      },
-    );
-  }
-
-
   // Widget bottomNavigationBigItem(text, index) {
   //   var isSelected = index == clickIndex;
   //   return Expanded(
diff --git a/lib/retrofit/data/app_update.dart b/lib/retrofit/data/app_update.dart
index cac55b14..2185a187 100644
--- a/lib/retrofit/data/app_update.dart
+++ b/lib/retrofit/data/app_update.dart
@@ -31,6 +31,10 @@ class AppUpdate {
   String get appLastVersionUp => _appLastVersionUp;
   String get appLastVersionExplain => _appLastVersionExplain;
 
+  set appLastVersion(String value) {
+    _appLastVersion = value;
+  }
+
   Map<String, dynamic> toJson() {
     final map = <String, dynamic>{};
     map['appLastVersion'] = _appLastVersion;
@@ -40,4 +44,15 @@ class AppUpdate {
     return map;
   }
 
+  set appLastVersionUrl(String value) {
+    _appLastVersionUrl = value;
+  }
+
+  set appLastVersionUp(String value) {
+    _appLastVersionUp = value;
+  }
+
+  set appLastVersionExplain(String value) {
+    _appLastVersionExplain = value;
+  }
 }
\ No newline at end of file
diff --git a/lib/setting/about_page.dart b/lib/setting/about_page.dart
index 80d31310..20514dcc 100644
--- a/lib/setting/about_page.dart
+++ b/lib/setting/about_page.dart
@@ -19,7 +19,7 @@ class AboutPage extends StatefulWidget {
 }
 
 class _AboutPage extends State<AboutPage> {
-  String version = "1.0.1";
+  String version = "";
 
   @override
   void initState() {
diff --git a/lib/utils/flutter_utils.dart b/lib/utils/flutter_utils.dart
index 47711755..12273ff4 100644
--- a/lib/utils/flutter_utils.dart
+++ b/lib/utils/flutter_utils.dart
@@ -16,6 +16,19 @@ class AppUtils {
     return "${numberFormat.format(mi / 1000)}";
   }
 
+  ///版本号
+  static bool versionCompare(String localVersion,String serverVersion){
+    try{
+      var localVersionArr = localVersion.split(".");
+      var serverVersionArr = serverVersion.split(".");
+      if((int.tryParse(localVersionArr[0]) < int.tryParse(serverVersionArr[0]))
+          || (int.tryParse(localVersionArr[1]) < int.tryParse(serverVersionArr[1]))
+          || (int.tryParse(localVersionArr[2]) < int.tryParse(serverVersionArr[2])))
+        return true;
+    }catch(ex){ }
+    return false;
+  }
+
   static String trimEnd(String resString,String char){
     while(resString.endsWith(char)){
       resString = resString.substring(0,resString.length - 1);
diff --git a/lib/view_widget/update_dialog.dart b/lib/view_widget/update_dialog.dart
index 2d590c1d..fa42f586 100644
--- a/lib/view_widget/update_dialog.dart
+++ b/lib/view_widget/update_dialog.dart
@@ -4,8 +4,10 @@ import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:flutter/material.dart';
 import 'package:huixiang/retrofit/data/app_update.dart';
 import 'package:huixiang/utils/bridge.dart';
+import 'package:huixiang/utils/flutter_utils.dart';
 import 'package:huixiang/utils/font_weight.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class UpdateDialog extends StatefulWidget {
@@ -43,7 +45,7 @@ class _UpdateDialog extends State<UpdateDialog> {
                 child: Column(
                   children: [
                     Text(
-                      "检测到新版本 v${widget.version}",
+                      "检测到新版本 v${widget.appUpdate.appLastVersion}",
                       style: TextStyle(
                         fontSize: 17.sp,
                         fontWeight: MyFontWeight.semi_bold,
@@ -71,10 +73,11 @@ class _UpdateDialog extends State<UpdateDialog> {
                 child: Row(
                   mainAxisSize: MainAxisSize.max,
                   children: [
+                    if(!AppUtils.versionCompare(widget.version,widget.appUpdate.appLastVersionUp))
                     Expanded(
                       child: InkWell(
-                        onTap:  () {
-                          Navigator.of(context).pop();
+                        onTap:() {
+                          doNotUpdate();
                         },
                         child: Container(
                           width: double.infinity,
@@ -102,7 +105,7 @@ class _UpdateDialog extends State<UpdateDialog> {
                           (Theme.of(context).platform == TargetPlatform.android) ?
                           androidUpdate():Bridge.toAppStore().then((value) {
                           });
-                          Navigator.of(context).pop();
+                          // Navigator.of(context).pop();
                         },
                         child: Container(
                           width: double.infinity,
@@ -130,6 +133,12 @@ class _UpdateDialog extends State<UpdateDialog> {
     );
   }
 
+  doNotUpdate() async {
+    SharedPreferences value = await SharedPreferences.getInstance();
+    value.setString("appLastVersion", widget.appUpdate.appLastVersion);
+    Navigator.of(context).pop();
+  }
+
   androidUpdate() async {
     String url = "http://application.lotus-wallet.com/huixaing?release_id=627cadff23389f2fe6d57cb1";
     if (await canLaunch(url)) {