update

js/Desktop/Onload.js

@@ -777,8 +777,10 @@ U.MD.D.getuser2 = function (userid, cid) {
                         U.MD.D.I.openApplication("studentStudy")
                     }
                     U.MD.O.P.connect(); //登录成功后连接socket服务同步协同编辑
-                    U.MD.D.I.openInApplication("studyDetail", cid, 2, 2)
-                    U.MD.D.addOp3("1", "", { type: "user_login_inviteCode" }, "success")
+                    if(cid){
+                        U.MD.D.I.openInApplication("studyDetail", cid, 2, 2)
+                        U.MD.D.addOp3("1", "", { type: "user_login_inviteCode" }, "success")
+                    }
                 });
             }