update

layout/includes/footer.pug

@@ -8,11 +8,12 @@
       else
         != `©${currentYear} By ${config.author}`
   if theme.footer.copyright
+    - const v = getVersion()
     .framework-info
       span= _p('footer.framework') + ' '
-      a(href='https://hexo.io')= 'Hexo'
+      a(href='https://hexo.io')= `Hexo ${v.hexo}`
       span.footer-separator |
       span= _p('footer.theme') + ' '
-      a(href='https://github.com/jerryc127/hexo-theme-butterfly')= 'Butterfly'
+      a(href='https://github.com/jerryc127/hexo-theme-butterfly')= `Butterfly ${v.theme}`
   if theme.footer.custom_text
     .footer_custom_text!= theme.footer.custom_text

layout/includes/third-party/pjax.pug

@@ -7,10 +7,12 @@ if theme.pjax.exclude
 
 - let choose = theme.comments.use
 if choose
-  if theme.Open_Graph_meta.enable && (choose.includes('Livere') || choose.includes('Utterances') || choose.includes('Giscus'))
-    - pjaxSelectors.unshift('meta[property="og:image"]', 'meta[property="og:title"]', 'meta[property="og:url"]')
-  if choose.includes('Utterances') || choose.includes('Giscus')
+  if choose.includes('Livere') || choose.includes('Utterances') || choose.includes('Giscus')
     - pjaxSelectors.unshift('link[rel="canonical"]')
+    if theme.Open_Graph_meta.enable
+      - pjaxSelectors.unshift('meta[property="og:image"]', 'meta[property="og:title"]', 'meta[property="og:url"]', 'meta[property="og:description"]')
+    else
+      - pjaxSelectors.unshift('meta[name="description"]')
 
 script(src=url_for(theme.asset.pjax))
 script.
@@ -57,7 +59,7 @@ script.
 
     document.addEventListener('pjax:error', e => {
       if (e.request.status === 404) {
-        pjax.loadUrl('!{url_for("/404.html")}')
+        window.location.href = e.request.responseURL
       }
     })
   })()