数字人侧边栏选中样式

src/components/LeftPanel.vue

@@ -5,7 +5,7 @@
       <el-row class="tac">
         <el-col :span="12">
           <el-menu
-            default-active="2"
+            :default-active="currentActiveIndex"
             class="el-menu-vertical-demo"
             @open="handleOpen"
             @close="handleClose"