feat：添加直播接口对接

src/views/learningpath/LevelAddDetail.vue

@@ -17,9 +17,9 @@
           > -->
           <div
             class="items"
-            :class=" isactive == index && isActive == true ? 'active' : '' "
+            :class="isactive == index && isActive == true ? 'active' : ''"
             @click="changebgc(index)"
-            v-for="( item , index ) in level"
+            v-for="(item, index) in level"
             :key="item.id"
           >
             <div class="items1">
@@ -49,7 +49,7 @@
       centered="true"
       :footer="null"
       :closable="clos"
-      wrapClassName="AddLevel"
+      wrapClassName="AddLevell"
     >
       <div class="header">
         <div class="headmain">
@@ -1176,7 +1176,7 @@ export default {
   display: block;
   clear: both;
 }
-.AddLevel {
+.AddLevell {
   .ant-modal {
     width: 624px !important;
     height: 388px !important;
@@ -1507,7 +1507,7 @@ export default {
         }
         .active {
           opacity: 1;
-          transition:all .5s;
+          transition: all 0.5s;
         }
       }
     }