始终选中一个关卡

src/views/learningpath/LevelAddDetail.vue

@@ -4,9 +4,9 @@
       <div class="left clearfix">
         <div class="leftmain">
           <div class="tit" style="margin-left: 18px">关卡</div>
-          <div class="btn btn3" style="margin-left: 19px">
+          <div class="btn btn3"  @click="showModal()" style="margin-left: 19px">
             <div class="search"></div>
-            <div class="btnText" @click="showModal()">添加关卡</div>
+            <div class="btnText">添加关卡</div>
           </div>
           <div class="maincon" style="background-color: #fff">
             <!-- <div
@@ -1248,6 +1248,7 @@ export default {
             console.log("修改成功", res);
             message.success("修改成功");
             state.addLoading = false;
+            localStorage.setItem("chapterId", res.data.data.chapterId);
             getDetail();
             closeModal();
           })
@@ -1276,6 +1277,7 @@ export default {
             //state.currentPage = 1;
             // getLearnPath();
             state.addLoading = false;
+            localStorage.setItem("chapterId", res.data.data.chapterId);
             getDetail();
             closeModal();
           })
@@ -1303,10 +1305,22 @@ export default {
       api
         .deleteChapter(obj)
         .then((res) => {
-          console.log("删除关卡成功", res);
-          message.success("删除关卡成功");
-          closeDeleteChapter();
-          getDetail();
+          if(res.data.code==200){
+            console.log("删除关卡成功", res);
+            message.destroy();
+            message.success("删除关卡成功");
+            let chapter = localStorage.getItem("chapterId")
+            if(state.deleteChapterId == chapter){
+              localStorage.removeItem("chapterId")
+            }
+            closeDeleteChapter();
+            getDetail();
+          }else if(res.data.code==-1){
+            message.destroy();
+            message.success("至少保留一个关卡");
+            closeDeleteChapter();
+          }
+          
         })
         .catch((err) => {
           console.log("删除关卡失败", err);
@@ -1448,7 +1462,7 @@ export default {
               ? JSON.parse(localStorage.getItem("chapterId"))
               : null;
             console.log("chapter", chapter);
-            if (chapter) {
+            if (chapter >0) {
               dataAssignment(chapter); //用哪个的任务表
               state.isactive = chapter; //哪个亮
             } else {