diff --git a/lib/utils/NetUtil.dart b/lib/utils/NetUtil.dart
index 3978664..c7f4c3e 100644
--- a/lib/utils/NetUtil.dart
+++ b/lib/utils/NetUtil.dart
@@ -61,9 +61,11 @@ class NetWork {
   Timer heartTimer;
   Timer sendTimer;
   Timer connectServerTimer; //尝试连接服务器
-  Timer loginTimer; //登录计时器
+  Timer loginTimer; //登录
+
   // 计时器
   Timer iosBgTimer; //登录计时器
+
   bool isInit = false;
 
   String host;
@@ -80,9 +82,6 @@ class NetWork {
     HttpUtil().post('/service/config', data: data).then((res) {
       print('获取聊天服务器地址成功');
       res = json.decode(res.toString());
-      if (res == null) {
-        return;
-      }
       if (res['code'] == 0) {
         var config = res['data'][0];
 
@@ -161,7 +160,7 @@ class NetWork {
             loginTimer?.cancel();
             MsgHandler.flushCacheMsg();
             UploadUtil().setUploadUrl(msgContent.httpAddr);
-             GroupInfoMgr().checkGroupValid();
+            GroupInfoMgr().checkGroupValid();
           } else {
             _stateBloc.addState(ChatState.loginFailed);
             print('登录失败${msgContent.errorCode}');
@@ -305,37 +304,43 @@ class NetWork {
   }
 
 
-  reallySingOut() {
-    print('用户登出');
-    //清缓存
 
-    isNormalClose = true;
-    reallyClose();
-  }
+  reallyClose()  {
 
-  reallyClose() async{
-    print('清除连接状态');
-    isNormalClose=true;
-    isConnecting = false;
-    isConnect = false;
-    isLogin = false;
-    heartOutCount = 0;
-    sendTimer?.cancel();
-    heartTimer?.cancel();
+    if(iosBgTimer==null){
+      debugPrint('#### ios bg 没有计时器--计时器你启动');
+      iosBgTimer = Timer(Duration(seconds: 20), () async{
+        debugPrint('#### ios bg  ios后台关闭socket连接');
+        isNormalClose=true;
+        isConnecting = false;
+        isConnect = false;
+        isLogin = false;
+        heartOutCount = 0;
+        sendTimer?.cancel();
+        heartTimer?.cancel();
 
-    loginTimer?.cancel();
-    print('清除计时器');
-    connectServerTimer?.cancel();
+        loginTimer?.cancel();
+        connectServerTimer?.cancel();
 
-    if (channel != null) {
-    var result =  await channel.sink.close();
-    print('result: $result');
-      channel = null;
+        if (channel != null) {
+          await channel.sink.close();
+          channel = null;
+        }
+      });
+    }else{
+      debugPrint('#### ios bg  已有计时器');
     }
+
+
+
+
   }
 
 
   checkConnect() {
+    debugPrint(' ios bg  取消计时器');
+    iosBgTimer?.cancel();
+
     if (isInit && !isConnect && !isConnecting) {
       reconnect();
     } else {
@@ -410,7 +415,7 @@ class NetWork {
     //清缓存
     ChatDataMgr().logout();
     MsgHandler.clear();
-    
+
     isNormalClose = true;
     close();
   }
diff --git a/lib/utils/screen.dart b/lib/utils/screen.dart
index 5ec556a..aea9410 100644
--- a/lib/utils/screen.dart
+++ b/lib/utils/screen.dart
@@ -63,12 +63,12 @@ fixedText(data, {Color color, double fontSize, FontWeight fontWeight}) {
 
 extendedText(String text,
     {Color color = Colors.blue,
-    double fontSize = 14,
-    selectionEnabled = false,
-    double emojisize = 20.0,
-    Function hideKeyboard,
-    fontWeight,int maxLines,
-    Function onSpecialTextTap
+      double fontSize = 14,
+      selectionEnabled = false,
+      double emojisize = 20.0,
+      Function hideKeyboard,
+      fontWeight,int maxLines,
+      Function onSpecialTextTap
     }) {
   return ExtendedText(
     text,
@@ -91,3 +91,8 @@ setStatusBar(){
       systemNavigationBarColor: Colors.white,
       systemNavigationBarIconBrightness: Brightness.dark));
 }
+
+
+debugPrint(dynamic msg){
+  print('###${DateTime.now()}####### '+msg);
+}