始终选中一个关卡

src/components/drawers/AddTest.vue

@@ -570,6 +570,10 @@ export default {
         closeDrawer();
       } else {
         if (props.isLevel == 1) {
+          if(!props.isactive){
+          message.destroy();
+          return message.warning("请先选中关卡");
+        }
           let editObj1 = {
             chapterId: props.isactive,
             duration: res.data.data.examinationDuration,