Merge branch 'beta' of https://git.cocorobo.cn/CocoRoboLabs/CocoRoboDesktop into beta

node/message.js

@@ -598,9 +598,9 @@ us.offLine = function () {
         _user = _connect[i];
         for (j in _user) {
             console.log(j)
-            console.log(_user[j].response.connection.destroyed)
+            //console.log(_user[j].response.connection)
             //判断用户已下线
-            if (_user[j].response.connection.destroyed) {
+            if (_user[j].response.connection == null || _user[j].response.connection.destroyed) {
                 us.deluser(i, j); //删除用户的数据
                 delete _user[j]
             }