fix[Sidebar]: fixed v-if meta bug

src/views/layout/components/Sidebar/SidebarItem.vue

@@ -2,9 +2,9 @@
   <div v-if="!item.hidden" class="menu-wrapper">
 
     <template v-if="hasOneShowingChild(item.children,item) && (!onlyOneChild.children||onlyOneChild.noShowingChildren)&&!item.alwaysShow">
-      <app-link :to="resolvePath(onlyOneChild.path)">
+      <app-link v-if="onlyOneChild.meta" :to="resolvePath(onlyOneChild.path)">
         <el-menu-item :index="resolvePath(onlyOneChild.path)" :class="{'submenu-title-noDropdown':!isNest}">
-          <item v-if="onlyOneChild.meta" :icon="onlyOneChild.meta.icon||(item.meta&&item.meta.icon)" :title="generateTitle(onlyOneChild.meta.title)" />
+          <item :icon="onlyOneChild.meta.icon||(item.meta&&item.meta.icon)" :title="generateTitle(onlyOneChild.meta.title)" />
         </el-menu-item>
       </app-link>
     </template>