diff --git a/src/renderer/src/views/classTask/teachClassTask.vue b/src/renderer/src/views/classTask/teachClassTask.vue
index 3f593ea..2ce9561 100644
--- a/src/renderer/src/views/classTask/teachClassTask.vue
+++ b/src/renderer/src/views/classTask/teachClassTask.vue
@@ -719,7 +719,7 @@ const msgHandle = (msg) => {
     switch(head) {
       case MsgEnum.HEADS.MSG_closed: // 下课:
           window.close() // 关闭窗口
-      break
+      break 
       case MsgEnum.HEADS.MSG_finishHomework: // 跟新作业:
         const data = JSON.parse(localStorage.getItem('teachClassWorkItem'));
         openDialog(data, false);