lsc 1 year ago
parent
commit
596d34716b
1 changed files with 1 additions and 1 deletions
  1. 1 1
      js/Desktop/DeskTop.js

+ 1 - 1
js/Desktop/DeskTop.js

@@ -3213,7 +3213,7 @@ window.addEventListener('message', function (e) { // 监听 message 事件
     }else if (e.data.tools && e.data.tools == "loginSz") {
         U.MD.D.I.openInApplication("loginSz")
     }else if (e.data.tools && e.data.tools == "classroom_observation_board"){
-        if($('#classroom_observation_board')){
+        if($('#classroom_observation_board')[0]){
             U.UF.F.closeWindow($('#classroom_observation_board'))
         }
         U.MD.D.I.openInApplication("classroom_observation_board", e.data.type)