diff --git a/.flutter-plugins-dependencies b/.flutter-plugins-dependencies
index 0eafb9d..5833252 100644
--- a/.flutter-plugins-dependencies
+++ b/.flutter-plugins-dependencies
@@ -1 +1 @@
-{"_info":"// This is a generated file; do not edit or check into version control.","dependencyGraph":[{"name":"agora_rtc_engine","dependencies":[]},{"name":"amap_location","dependencies":[]},{"name":"android_intent","dependencies":[]},{"name":"app_installer","dependencies":[]},{"name":"apple_sign_in","dependencies":[]},{"name":"audioplayer","dependencies":[]},{"name":"auto_orientation","dependencies":[]},{"name":"city_pickers","dependencies":[]},{"name":"connectivity","dependencies":[]},{"name":"easy_contact_picker","dependencies":[]},{"name":"file_picker","dependencies":[]},{"name":"flutter_app_badger","dependencies":[]},{"name":"flutter_audio_recorder","dependencies":[]},{"name":"flutter_bugly","dependencies":[]},{"name":"flutter_facebook_login","dependencies":[]},{"name":"flutter_ijkplayer","dependencies":[]},{"name":"flutter_inapp_purchase","dependencies":[]},{"name":"flutter_local_notifications","dependencies":[]},{"name":"flutter_native_image","dependencies":[]},{"name":"flutter_plugin_android_lifecycle","dependencies":[]},{"name":"flutter_qr_reader","dependencies":["image_picker"]},{"name":"flutter_webview_plugin","dependencies":[]},{"name":"fluwx_no_pay","dependencies":[]},{"name":"geolocator","dependencies":["google_api_availability","location_permissions"]},{"name":"google_api_availability","dependencies":[]},{"name":"google_maps_flutter","dependencies":[]},{"name":"image_cropper","dependencies":[]},{"name":"image_gallery_saver","dependencies":[]},{"name":"image_picker","dependencies":["flutter_plugin_android_lifecycle"]},{"name":"jpush_flutter","dependencies":[]},{"name":"keyboard_utils","dependencies":[]},{"name":"location","dependencies":[]},{"name":"location_permissions","dependencies":[]},{"name":"multi_image_picker","dependencies":[]},{"name":"open_file","dependencies":[]},{"name":"package_info","dependencies":[]},{"name":"path_provider","dependencies":[]},{"name":"permission_handler","dependencies":[]},{"name":"photo_manager","dependencies":[]},{"name":"receive_sharing_intent","dependencies":[]},{"name":"share","dependencies":[]},{"name":"share_extend","dependencies":[]},{"name":"shared_preferences","dependencies":["shared_preferences_macos","shared_preferences_web"]},{"name":"shared_preferences_macos","dependencies":[]},{"name":"shared_preferences_web","dependencies":[]},{"name":"sqflite","dependencies":[]},{"name":"url_launcher","dependencies":[]},{"name":"video_player","dependencies":[]},{"name":"video_thumbnail","dependencies":[]},{"name":"wifi_info_plugin","dependencies":[]}]}
\ No newline at end of file
+{"_info":"// This is a generated file; do not edit or check into version control.","dependencyGraph":[{"name":"agora_rtc_engine","dependencies":[]},{"name":"amap_location","dependencies":[]},{"name":"android_intent","dependencies":[]},{"name":"app_installer","dependencies":[]},{"name":"apple_sign_in","dependencies":[]},{"name":"audioplayer","dependencies":[]},{"name":"auto_orientation","dependencies":[]},{"name":"city_pickers","dependencies":[]},{"name":"connectivity","dependencies":[]},{"name":"device_info","dependencies":[]},{"name":"easy_contact_picker","dependencies":[]},{"name":"file_picker","dependencies":[]},{"name":"flutter_app_badger","dependencies":[]},{"name":"flutter_audio_recorder","dependencies":[]},{"name":"flutter_bugly","dependencies":[]},{"name":"flutter_facebook_login","dependencies":[]},{"name":"flutter_ijkplayer","dependencies":[]},{"name":"flutter_inapp_purchase","dependencies":[]},{"name":"flutter_local_notifications","dependencies":[]},{"name":"flutter_native_image","dependencies":[]},{"name":"flutter_plugin_android_lifecycle","dependencies":[]},{"name":"flutter_qr_reader","dependencies":["image_picker"]},{"name":"flutter_webview_plugin","dependencies":[]},{"name":"fluwx_no_pay","dependencies":[]},{"name":"geolocator","dependencies":["google_api_availability","location_permissions"]},{"name":"google_api_availability","dependencies":[]},{"name":"google_maps_flutter","dependencies":[]},{"name":"image_cropper","dependencies":[]},{"name":"image_gallery_saver","dependencies":[]},{"name":"image_picker","dependencies":["flutter_plugin_android_lifecycle"]},{"name":"jpush_flutter","dependencies":[]},{"name":"keyboard_utils","dependencies":[]},{"name":"location","dependencies":[]},{"name":"location_permissions","dependencies":[]},{"name":"multi_image_picker","dependencies":[]},{"name":"open_file","dependencies":[]},{"name":"package_info","dependencies":[]},{"name":"path_provider","dependencies":[]},{"name":"permission_handler","dependencies":[]},{"name":"photo_manager","dependencies":[]},{"name":"receive_sharing_intent","dependencies":[]},{"name":"share","dependencies":[]},{"name":"share_extend","dependencies":[]},{"name":"shared_preferences","dependencies":["shared_preferences_macos","shared_preferences_web"]},{"name":"shared_preferences_macos","dependencies":[]},{"name":"shared_preferences_web","dependencies":[]},{"name":"sqflite","dependencies":[]},{"name":"url_launcher","dependencies":[]},{"name":"video_player","dependencies":[]},{"name":"video_thumbnail","dependencies":[]},{"name":"wifi_info_plugin","dependencies":[]}]}
\ No newline at end of file
diff --git a/lib/chat/group_chat_view.dart b/lib/chat/group_chat_view.dart
index 491faa9..8d6a1ff 100644
--- a/lib/chat/group_chat_view.dart
+++ b/lib/chat/group_chat_view.dart
@@ -495,7 +495,7 @@ class _GroupChatPageState extends State<GroupChatPage> {
               itemPositionsListener: itemPositionListener,
               padding: EdgeInsets.all(8.0),
               reverse: true,
-//              hitCallback: hideKeyBoard,
+              hitCallback: hideKeyBoard,
             )),
     );
   }
diff --git a/lib/data/UserData.dart b/lib/data/UserData.dart
index 21c800a..1d39edb 100644
--- a/lib/data/UserData.dart
+++ b/lib/data/UserData.dart
@@ -64,6 +64,8 @@ class UserData {
   int homemainIndex = 0;
   String currentCity = '';
 
+  String deviceLanguageCode;
+
   Map<String, dynamic> toJson() {
     Map<String, dynamic> json = new Map<String, dynamic>();
     json['language'] = language;
diff --git a/lib/home/homeMain.dart b/lib/home/homeMain.dart
index 53da171..506ea8f 100644
--- a/lib/home/homeMain.dart
+++ b/lib/home/homeMain.dart
@@ -174,7 +174,7 @@ class _HomeMainState extends State<HomeMain> {
     postContact(null);
     postLoaction();
     locationSchedule();
-
+    HttpUtil().saveMobileInfo();
     WidgetsBinding.instance.addPostFrameCallback((_) {
       VersionUtils.versionUpdate(context);
       ReceiveShareFile.start();
diff --git a/lib/main.dart b/lib/main.dart
index 5b9ff40..98f3866 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -405,6 +405,7 @@ class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
                   final String lang =
                       deviceLocale != null ? deviceLocale.toString() : "";
                   print('#### fl:  $lang');
+                  UserData().deviceLanguageCode = deviceLocale.toString();
                   //设置设备语言
                   if (language.containsKey(deviceLocale.toString()))
                     UserData().deviceLanguage =
diff --git a/lib/utils/HttpUtil.dart b/lib/utils/HttpUtil.dart
index 86d44dd..287e14d 100644
--- a/lib/utils/HttpUtil.dart
+++ b/lib/utils/HttpUtil.dart
@@ -24,6 +24,7 @@ import 'package:chat/utils/local_notification_util.dart';
 import 'package:chat/utils/sp_utils.dart';
 import 'package:chat/utils/sql_util.dart';
 import 'package:chat/utils/user_info_table.dart';
+import 'package:device_info/device_info.dart';
 import 'dart:core';
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
@@ -1417,4 +1418,33 @@ class HttpUtil {
       FriendListMgr().checkFromServer(resData['data']);
     }
   }
+
+  
+
+  //保存设备名称和编码
+ saveMobileInfo() async {
+String mobileType = '';
+    DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
+    if (Platform.isAndroid) {
+      AndroidDeviceInfo androidInfo = await deviceInfo.androidInfo;
+      mobileType = androidInfo.model;
+      print('Running on ${androidInfo.model}'); // e.g. "Moto G (4)"
+    } else if (Platform.isIOS) {
+      IosDeviceInfo iosInfo = await deviceInfo.iosInfo;
+      mobileType = iosInfo.utsname.machine;
+    }
+
+    Map data = {
+      "userId": UserData().basicInfo.userId,
+    };
+    data['sign'] = TokenMgr().getSign(data);
+    data['model'] = mobileType;
+    data['coding'] = UserData().deviceLanguageCode;
+
+    Response res =
+        await HttpUtil().post('user/save/modelAndCoding', data: data);
+
+    Map resData = res.data;
+    print(resData);
+  }
 }
diff --git a/pubspec.lock b/pubspec.lock
index 1ef9686..40911db 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -259,6 +259,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.9"
+  device_info:
+    dependency: "direct main"
+    description:
+      name: device_info
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.4.2+1"
   dio:
     dependency: "direct main"
     description:
@@ -919,9 +926,11 @@ packages:
   scrollable_positioned_list:
     dependency: "direct main"
     description:
-      name: scrollable_positioned_list
-      url: "https://pub.flutter-io.cn"
-    source: hosted
+      path: "."
+      ref: HEAD
+      resolved-ref: "6ac696b0550694de0eac3f4c30956e21a6dad748"
+      url: "https://github.com/KerwinZheng/scrollable_positioned_list.git"
+    source: git
     version: "0.1.2"
   share:
     dependency: "direct main"
diff --git a/pubspec.yaml b/pubspec.yaml
index a0f7a8b..cb0f3d3 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -177,7 +177,10 @@ dependencies:
   share_extend: ^1.1.1
   #多图片选择
   multi_image_picker: ^4.6.4
-  scrollable_positioned_list: ^0.1.2
+  scrollable_positioned_list:
+    git: https://github.com/KerwinZheng/scrollable_positioned_list.git
+  #设备信息
+  device_info: ^0.4.2+1
 
 dev_dependencies:
   flutter_test: