fix: 左侧菜单样式修复

src/layout/components/Sidebar/index.vue

@@ -3,9 +3,10 @@
     <logo v-if="showLogo" :collapse="isCollapse" />
     <el-scrollbar :class="sideTheme" wrap-class="scrollbar-wrapper">
       <el-menu
+        class="el-menu-vertical-demo"
         :default-active="activeMenu"
         :collapse="isCollapse"
-        :background-color="'none'"
+        :background-color="'#29d'"
         :text-color="'#fff'"
         :unique-opened="true"
         :active-text-color="'#fff'"
@@ -13,6 +14,7 @@
         mode="vertical"
       >
         <sidebar-item
+          class="el-menu-vertical-demo"
           v-for="(route, index) in sidebarRouters"
           :key="route.path + index"
           :item="route"
@@ -52,3 +54,8 @@ const activeMenu = computed(() => {
 })
 
 </script>
+<style lang="scss" scoped>
+.el-menu-vertical-demo{
+  background-color: rgba(255,255,255,.0) !important;
+}
+</style>
\ No newline at end of file