使用menu组件时设置mode="vertical"的方式，结果子菜单弹窗没有显示出来，大佬们帮忙看下

[robertyclin]

1、下载ant-design-vue-nuxt代码，本地运行 2、复制antdv的menu例子，运行结果有warning，并且子菜单弹窗并没有显示出来。 antdv官网demo 本地demo 报错信息如下： [Vue warn]: Hydration node mismatch:

• Client vnode: Symbol(v-fgt)
• Server rendered DOM:
  at <Trigger popupClassName="ant-menu-inline-collapsed-tooltip css-dev-only-do-not-override-3m4nqy" prefixCls="ant-tooltip" action="hover" ... > at <Tooltip title=null overlayClassName="ant-menu-inline-collapsed-tooltip css-dev-only-do-not-override-3m4nqy" trigger="hover" ... > at <ATooltip title=null open=false placement="right" ... > at <AMenuItem key="3" title="Option 3" originItemValue= {key: '3', label: 'Option 3', title: 'Option 3'} > at <SubMenuList id="sub_menu_1_$$sub1-popup" ref=Ref< undefined > > at <MenuContextProvider mode="vertical" > at <Align target=fn<bound getRootDomNode> key="popup" ref=Ref< undefined > ... > at <BaseTransition onBeforeEnter=fn<onBeforeEnter> appear=false persisted=false ... > at <Transition ref=Ref< undefined > onBeforeEnter=fn<onShowPrepare> > at <PopupInner prefixCls="ant-menu-submenu" point=null align= {points: Array(2), overflow: {…}, offset: Array(2)} ... > at <Popup prefixCls="ant-menu-submenu" destroyPopupOnHide=false visible=true ... > at <Portal getContainer=fn<getContainer3> ref=Ref< undefined > didUpdate=fn<bound handlePortalUpdate> > at <PortalWrapper key="portal" getContainer=undefined didUpdate=fn<bound handlePortalUpdate> ... > at <Trigger prefixCls="ant-menu-submenu" popupClassName="ant-menu-submenu-popup ant-menu ant-menu-light css-dev-only-do-not-override-3m4nqy" stretch=null ... > at <PopupTrigger mode="vertical" prefixCls="ant-menu-submenu" visible=true ... > at <ResizeObserver disabled=true onResize=fn<onResize> class="ant-menu-submenu ant-menu-submenu-vertical ant-menu-submenu-open ant-menu-submenu-active" ... > at <Item class="ant-menu-submenu ant-menu-submenu-vertical ant-menu-submenu-open ant-menu-submenu-active" prefixCls="ant-menu-overflow-item" responsive=false ... > at <OverflowContextProvider value=null > at <RawItem component="li" role="none" class="ant-menu-submenu ant-menu-submenu-vertical ant-menu-submenu-open ant-menu-submenu-active" ... > at <MenuContextProvider mode="vertical" > at <ASubMenu key="sub1" icon=fn title="Navigation Three" ... > at <OverflowContextProvider key=2 value= {prefixCls: 'ant-menu-overflow-item', responsive: false, component: {…}, invalidate: true, order: 2, …} > at <ResizeObserver disabled=true onResize=fn<onOverflowResize> > at <Overflow style= {width: '256px'} onMousedown=undefined prefixCls="ant-menu-overflow" ... > at <AMenu openKeys= ['sub1'] onUpdate:openKeys=fn selectedKeys= [] ... > at <Anonymous value= {hashed: true, components: {…}, theme: Theme, token: {…}} > at <ALocaleProvider locale=undefined ANT_MARK_="internalMark" > at <LocaleReceiver children=fn > at <AConfigProvider theme= {algorithm: ƒ} > at <AStyleProvider cache= Entity {cache: Map(5), instanceId: '465803411031b5b'} > at <AExtractStyle> at <App key=3 > at <NuxtRoot>