增加跳转的题目1

src/views/aprilExam/test.vue

@@ -414,6 +414,7 @@ let changelistIndexStep = (val:string) => {
   }
   else if(Number(val)>list.value.length){
     Toast("数值太大")
+    return
   }
   listIndex.value = Number(val) - 1;
 };