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src/components/core/d2-layout-main/components/-menu-item/index.vue

@@ -1,6 +1,6 @@
 <template>
   <el-menu-item :index="menu.path || uniqueid">
-    <i v-if="menu.icon" :class="`fa fa-${menu.icon}`"></i>
+    <i :class="`fa fa-${menu.icon || 'file-o'}`"></i>
     <span slot="title">{{menu.title}}</span>
   </el-menu-item>
 </template>

src/components/core/d2-layout-main/components/-menu-side/index.vue

@@ -1,6 +1,6 @@
 <template>
   <div style="height: 100%;">
-    <el-scrollbar v-if="menus.length > 0 && !collapse">
+    <el-scrollbar v-if="menus.length > 0">
       <div :style="{ height: `${asideHeight}px` }">
         <el-menu
           :collapse="collapse"
@@ -60,7 +60,9 @@ export default {
         this.menus = _side.length > 0 ? _side[0].children : []
         this.active = val[val.length - 1].path
         this.$nextTick(() => {
-          this.$refs.menu.activeIndex = this.active
+          if (this.menus.length > 0) {
+            this.$refs.menu.activeIndex = this.active
+          }
         })
       },
       immediate: true

src/components/core/d2-layout-main/components/-menu-sub/index.vue

@@ -1,7 +1,7 @@
 <template>
   <el-submenu :index="menu.path || uniqueid">
     <template slot="title">
-      <i v-if="menu.icon" :class="`fa fa-${menu.icon}`"></i>
+      <i :class="`fa fa-${menu.icon || 'folder-o'}`"></i>
       <span slot="title">{{menu.title}}</span>
     </template>
     <template v-for="(child, childIndex) in menu.children">