始终选中一个关卡

src/components/drawers/AddDiscuss.vue

@@ -191,6 +191,10 @@ export default {
       }
     };
     const updateTask = async (res) => {
+      if(!props.isactive){
+          message.destroy();
+          return message.warning("请先选中关卡");
+        }
       if (props.isLevel == 1) {
         await RouterEditTask({
           chapterId: props.isactive,