修改项目点击开始教学报错问题

Signed-off-by: lcw <1324309909@qq.com>

js/Desktop/DeskTop.js

@@ -335,8 +335,8 @@ U.MD.D.I.selectUser = function() {
 }
 U.MD.D.I.openInApplication = function(str, data) {
     var _userinfo = US.userInfo, //登录用户信息
-        _userid = obj.userid || US.userInfo.userid, //登录用户id
-        _oid = obj.organizeid || _userinfo.organizeid;
+        _userid = US.userInfo.userid, //登录用户id
+        _oid = _userinfo.organizeid;
     switch (str) {
         case "study":
             if (!_userinfo || Object.keys(_userinfo).length === 0) {