item.categories.sort is not a function

[Awhisper]

TypeError: /Users/Awhisper/Desktop/Hexo/themes/anatole/layout/mixins.pug:24
22| if item.tags
23| i.fa.fa-tag

24| - item.categories.sort('posts').each(function(item) {
25| a.tag(href=config.root + item.path, title= item.name)= item.name + " "
26| - });
27| - item.tags.sort('posts').each(function(item) {

item.categories.sort is not a function
at Object.pug_interp [as make_post] (eval at wrap (/Users/Awhisper/Desktop/Hexo/node_modules/pug-runtime/wrap.js:6:10), :314:17)
at eval (eval at wrap (/Users/Awhisper/Desktop/Hexo/node_modules/pug-runtime/wrap.js:6:10), :429:24)
at template (eval at wrap (/Users/Awhisper/Desktop/Hexo/node_modules/pug-runtime/wrap.js:6:10), :806:183)
at Theme._View.View._compiled.locals [as _compiled] (/Users/Awhisper/Desktop/Hexo/node_modules/hexo/lib/theme/view.js:124:48)
at Theme._View.View.View.render (/Users/Awhisper/Desktop/Hexo/node_modules/hexo/lib/theme/view.js:29:15)
at route.set (/Users/Awhisper/Desktop/Hexo/node_modules/hexo/lib/hexo/index.js:386:29)
at tryCatcher (/Users/Awhisper/Desktop/Hexo/node_modules/bluebird/js/release/util.js:16:23)
at /Users/Awhisper/Desktop/Hexo/node_modules/bluebird/js/release/method.js:15:34
at RouteStream._read (/Users/Awhisper/Desktop/Hexo/node_modules/hexo/lib/hexo/router.js:134:3)
at RouteStream.Readable.read (stream_readable.js:442:10)
at resume (_stream_readable.js:822:12)
at _combinedTickCallback (internal/process/next_tick.js:138:11)
at process._tickCallback (internal/process/next_tick.js:180:9)

您好，hexo g 的时候，我遇到了这个错误，注释掉pug文件中的 tag 与 category可以正常使用，但是文章的标签无法正确显示，

我的版本是 node 8.11.1 用的anatole是稳定版，

奇怪的是几周前是正常的，没遇到类似的问题，因此我个人主页线上是正常的，只是现在冲新hexo g 的时候，无法正常生成了

[lockerdown]

+1