feature: 增加 tags 標簽外掛 - label

improvement: 優化 pjax 下 404 頁面

layout/includes/layout.pug

@@ -15,28 +15,32 @@ html(lang=config.language data-theme=theme.display_mode class=htmlClassHideAside
       
     !=partial('includes/sidebar', {}, {cache: true})
 
-    #body-wrap(class=pageType)
-      include ./header/index.pug
+    if page.type !== '404'
+      #body-wrap(class=pageType)
+        include ./header/index.pug
 
-      main#content-inner.layout(class=hideAside)
-        if body
-          div!= body
+        main#content-inner.layout(class=hideAside)
+          if body
+            div!= body
+          else
+            block content
+            if theme.aside.enable && page.aside !== false
+              include widget/index.pug
+
+        - var footerBg = theme.footer_bg
+        if (footerBg)
+          if (footerBg === true)
+            - var footer_bg = bg_img
+          else
+            - var footer_bg = theme.footer_bg.indexOf('/') !== -1 ? `background-image: url('${url_for(footerBg)}')` : `background: ${footerBg}`
         else
-          block content
-          if theme.aside.enable && page.aside !== false
-            include widget/index.pug
+          - var footer_bg = ''
 
-      - var footerBg = theme.footer_bg
-      if (footerBg)
-        if (footerBg === true)
-          - var footer_bg = bg_img
-        else
-          - var footer_bg = theme.footer_bg.indexOf('/') !== -1 ? `background-image: url('${url_for(footerBg)}')` : `background: ${footerBg}`
-      else
-        - var footer_bg = ''
+        footer#footer(style=footer_bg)
+          !=partial('includes/footer', {}, {cache: true})
 
-      footer#footer(style=footer_bg)
-        !=partial('includes/footer', {}, {cache: true})
+    else
+      include ./404.pug
 
     include ./rightside.pug
     !=partial('includes/third-party/search/index', {}, {cache: true})