update

js/Desktop/DeskTop.js

@@ -3214,7 +3214,8 @@ window.addEventListener('message', function (e) { // 监听 message 事件
         U.MD.D.I.openInApplication("loginSz")
     }else if (e.data.tools && e.data.tools == "classroom_observation_board"){
         if($('#classroom_observation_board')[0]){
-            U.UF.F.closeWindow($('#classroom_observation_board'))
+            // U.UF.F.closeWindow($('#classroom_observation_board'))
+            $('#classroom_observation_board iframe')[0].contentDocument.location.reload()
         }
         U.MD.D.I.openInApplication("classroom_observation_board", e.data.type)
     }