最新版1.5.5dev正常，build的时候tag报错

[Gentvel]

• I confirm that this is an issue rather than a question.

Bug report

看报错应该是tag组件赋值的原因，把所有markdown tags删除还是有一个首页的taglist报错，如果回退到1.5.4,vscode是能build的，但是提交到github workflow会报同样的错

What is actually happening?

Other relevant information

[Vue warn]: Error in created hook: "TypeError: Cannot read property 'all' of undefined"

found in

---> <Tags>
       <GlobalLayout>
         <Root>
[Vue warn]: Error in render: "TypeError: Cannot read property 'all' of undefined"

found in

---> <TagList>
       <ModuleTransition>
         <Common>
           <Tag>
             <GlobalLayout>
               <Root>
[Vue warn]: Error in render: "TypeError: Cannot read property 'all' of undefined"

found in

---> <TagList>
       <ModuleTransition>
         <Common>
           <Tag>
             <GlobalLayout>
               <Root>
[Vue warn]: Error in render: "TypeError: Cannot read property 'all' of undefined"

found in

---> <TagList>
       <ModuleTransition>
         <Common>
           <Tag>
             <GlobalLayout>
               <Root>
[Vue warn]: Error in render: "TypeError: Cannot read property 'all' of undefined"

found in

---> <TagList>
       <ModuleTransition>
         <Common>
           <Tag>
             <GlobalLayout>
               <Root>
[Vue warn]: Error in render: "TypeError: Cannot read property 'all' of undefined"

found in

---> <TagList>
       <ModuleTransition>
         <Common>
           <Tag>
             <GlobalLayout>
               <Root>
error Error rendering /tag/: false
undefined
error Error rendering /tag/git/: false
undefined
error Error rendering /tag/redis/: false
undefined
[Vue warn]: Error in render: "TypeError: Cannot read property 'all' of undefined"

found in

---> <TagList>
       <ModuleTransition>
         <HomeBlog>
           <Common>
             <Anonymous>
               <GlobalLayout>
                 <Root>
error Error rendering /: false
undefined
TypeError: Cannot read property 'all' of undefined
    at VueComponent.created (node_modules/vuepress-theme-reco/layouts/Tags.vue:54:0)
    at invokeWithErrorHandling (E:\com.whistle\whistle\node_modules\vue\dist\vue.runtime.common.dev.js:1850:57)
    at callHook (E:\com.whistle\whistle\node_modules\vue\dist\vue.runtime.common.dev.js:4207:7)
    at VueComponent.Vue._init (E:\com.whistle\whistle\node_modules\vue\dist\vue.runtime.common.dev.js:4989:5)
    at new VueComponent (E:\com.whistle\whistle\node_modules\vue\dist\vue.runtime.common.dev.js:5134:12)
    at createComponentInstanceForVnode (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:8184:10)
    at renderComponentInner (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:8408:40)
    at renderComponent (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:8383:5)
    at renderNode (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:8294:5)
    at resolve (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:8421:5)
    at waitForServerPrefetch (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:8287:3)
    at renderComponentInner (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:8426:3)
    at renderComponent (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:8383:5)
    at RenderContext.renderNode (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:8294:5)
    at RenderContext.next (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:2598:23)
    at cachedWrite (E:\com.whistle\whistle\node_modules\vue-server-renderer\build.dev.js:2451:9)
error Command failed with exit code 1.

• Your OS: windows10LTSC
• Node.js version: 12.8
• VuePress version: 1.5.2
• VuePress-theme-reco version: 1.5.5
• Which package manager did you use for the install(npm/cnpm/yarn)?yarn