update

js/Desktop/DeskTop.js

@@ -6664,7 +6664,7 @@ U.MD.D.I.openApplicationTeacherUpload = function (str, cid, stage, task, tool, s
             _formdiv = new U.UF.UI.form(
                 "CocoPi-" + _username,
                 _box, {
-                "id": "CocoPi" + cid + stage + task + tool,
+                "id": "CocoPi" + cid + stage + task + tool + _userid,
                 "style": {
                     "width": "90%",
                     "height": "90%",