始终选中一个关卡

src/components/drawers/AddEval.vue

@@ -177,6 +177,10 @@ export default {
     };
     //向关卡或阶段渲染
     const updateTask = async (value) => {
+      if(!props.isactive){
+          message.destroy();
+          return message.warning("请先选中关卡");
+        }
       if (props.isLevel == 1) {
         await RouterEditTask({
           chapterId: props.isactive,