菜单展示动画效果优化

src/components/SliderMenu.vue

@@ -1,5 +1,5 @@
 <template>
-  <transition name="menu-collapse">
+  <transition :name="customize ? '' : 'menu-collapse'">
     <el-menu v-if="!customize" class="el-menu-vertical-demo custom-menu" @open="handleOpen"
     :default-active="currentMenuItem?.index"
       @close="handleClose" @select="handleSelect" :collapse="isCollapse" :collapse-transition="true"
@@ -136,7 +136,7 @@ export default {
 <style lang="scss" scoped>
 .menu-collapse-leave-active,
 .menu-collapse-enter-active {
-  transition: all 0.7s;
+  transition: all 0.5s;
 }
 
 .menu-collapse-enter,