feat: 右侧菜单高度调整为 650

去除冗余的接口请求

src/views/study/coursenew.vue

@@ -177,7 +177,7 @@
             </div>
             <!-- 课程单元  -->
             <div class="course-units" v-if="tab == 1">
-              <div :style="`height: ${controlHeight}px;overflow-y: auto;`">
+              <div style="min-height: 350px;max-height: 650px ;overflow-y: auto;">
                 <div class="catalog" v-if="courseInfo.type == 20">
                   <div  v-for="(item, index) in catalogTree" :key="index" :name="index">
                     <el-menu
@@ -816,7 +816,8 @@
           }else if(h>500){
             h=h+60;
           }
-          $this.controlHeight=h-95;
+          // 移除高度控制 防止内容塌陷
+            // $this.controlHeight=h-95;
         })
 
 
@@ -1800,7 +1801,7 @@
     margin: 20px auto;
     .course-playbox {
       background-color: #fff;
-      min-height: 400px;
+      //min-height: 400px;
       display: flex;
       justify-content: space-between;
       .course-player-container {