feature: 增加 tags 標簽外掛 - label

improvement: 優化 pjax 下 404 頁面

layout/404.pug

@@ -1,28 +0,0 @@
-- var top_img = theme.error_404.background || theme.default_top_img
-- var bg_img = `background-image: url('${url_for(top_img)}')`
-
-doctype html
-html(lang=config.language data-theme=theme.display_mode)
-  head
-    include includes/head.pug
-  body
-    if theme.preloader
-      !=partial('includes/loading/loading', {}, {cache: true})
-
-    if theme.fireworks && theme.fireworks.enable
-      canvas.fireworks
-    
-    if theme.background
-      #web_bg
-
-    #error-wrap
-      .error-content
-        .error-img(style=bg_img)
-        .error-info
-          h1.error_title= '404'
-          .error_subtitle= theme.error_404.subtitle
-          a.button--animated(href=config.root)
-            i.fas.fa-rocket
-            = _p('error404.back_button')
-          
-    include includes/additional-js.pug

layout/includes/404.pug

@@ -0,0 +1,17 @@
+- var top_img = theme.error_404.background || theme.default_top_img
+- var bg_img = `background-image: url('${url_for(top_img)}')`
+
+#body-wrap.error
+  div(style='display: none')
+    include ./header/index.pug
+
+  #error-wrap
+    .error-content
+      .error-img(style=bg_img)
+      .error-info
+        h1.error_title= '404'
+        .error_subtitle= theme.error_404.subtitle
+        a.button--animated(href=config.root)
+          i.fas.fa-rocket
+          = _p('error404.back_button')
+          

layout/includes/head/config_site.pug

@@ -8,12 +8,12 @@
   var showToc = is_post() && theme.aside.enable && pageToc && (toc(page.content) !== '' || page.encrypt == true )
 -
 
-script#config-diff
-  .
-    var GLOBAL_CONFIG_SITE = { 
-      isPost: !{is_post()},
-      isHome: !{is_home()},
-      isHighlightShrink: !{isHighlightShrink},
-      isToc: !{showToc},
-      postUpdate: '!{full_date(page.updated)}'
-    }
+script#config-diff.
+  var GLOBAL_CONFIG_SITE = {
+    title: '!{pageTitle}',
+    isPost: !{is_post()},
+    isHome: !{is_home()},
+    isHighlightShrink: !{isHighlightShrink},
+    isToc: !{showToc},
+    postUpdate: '!{full_date(page.updated)}'
+  }