更新

themes/butterfly/layout/404.pug

@@ -0,0 +1,28 @@
+- 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:theme.fragment_cache})
+
+    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