diff --git a/front/src/views/system/exam.vue b/front/src/views/system/exam.vue
index 3167a8a..68d36a9 100644
--- a/front/src/views/system/exam.vue
+++ b/front/src/views/system/exam.vue
@@ -1,5 +1,5 @@
 <template>
-    <div>
+    <div onbeforeunload="beforeClose">
         <div class="tz-exam-header">
             <div class="tz-exam-header-line">
                 <div>
@@ -210,6 +210,9 @@ export default {
         }
     },
     methods:{
+        beforeClose(){
+            alert("sb")
+        },
         getStatus(id){
             let c = "";
             if(id == this.current){