diff --git a/_config.yml b/_config.yml
index fdddc5108e..bc9ebf3bc5 100644
--- a/_config.yml
+++ b/_config.yml
@@ -185,7 +185,7 @@ scheme: Muse
 
 # ---------------------------------------------------------------
 # Sidebar Settings
-# See: https://theme-next.org/docs/theme-settings/sidebar/
+# See: https://theme-next.org/docs/theme-settings/sidebar
 # ---------------------------------------------------------------
 
 # Posts / Categories / Tags in sidebar.
@@ -290,7 +290,7 @@ chat:
 
 # ---------------------------------------------------------------
 # Post Settings
-# See: https://theme-next.org/docs/theme-settings/posts/
+# See: https://theme-next.org/docs/theme-settings/posts
 # ---------------------------------------------------------------
 
 # Set the text alignment in the posts.
@@ -597,7 +597,7 @@ calendar:
 
 # ---------------------------------------------------------------
 # Comments and Widgets
-# See: https://theme-next.org/docs/third-party-services/comments-and-widgets/
+# See: https://theme-next.org/docs/third-party-services/comments-and-widgets
 # ---------------------------------------------------------------
 
 # Disqus
@@ -682,7 +682,7 @@ gitalk:
 
 # ---------------------------------------------------------------
 # Content Sharing Services
-# See: https://theme-next.org/docs/third-party-services/content-sharing-services/
+# See: https://theme-next.org/docs/third-party-services/content-sharing-services
 # ---------------------------------------------------------------
 
 # Baidu Share
@@ -741,7 +741,7 @@ needmoreshare2:
 
 # ---------------------------------------------------------------
 # Statistics and Analytics
-# See: https://theme-next.org/docs/third-party-services/statistics-and-analytics/
+# See: https://theme-next.org/docs/third-party-services/statistics-and-analytics
 # ---------------------------------------------------------------
 
 # Baidu Analytics ID
@@ -841,7 +841,7 @@ busuanzi_count:
 
 # ---------------------------------------------------------------
 # Search Services
-# See: https://theme-next.org/docs/third-party-services/search-services/
+# See: https://theme-next.org/docs/third-party-services/search-services
 # ---------------------------------------------------------------
 
 # Algolia Search
@@ -874,7 +874,7 @@ local_search:
 
 # ---------------------------------------------------------------
 # Chat Services
-# See: https://theme-next.org/docs/third-party-services/chat-services/
+# See: https://theme-next.org/docs/third-party-services/chat-services
 # ---------------------------------------------------------------
 
 # Chatra Support
@@ -1023,7 +1023,7 @@ canvas_ribbon:
 #! ---------------------------------------------------------------
 #! DO NOT EDIT THE FOLLOWING SETTINGS
 #! UNLESS YOU KNOW WHAT YOU ARE DOING
-#! See: https://theme-next.org/docs/advanced-settings/
+#! See: https://theme-next.org/docs/advanced-settings
 #! ---------------------------------------------------------------
 
 # Script Vendors. Set a CDN address for the vendor you want to customize.
diff --git a/layout/_partials/head/head-unique.swig b/layout/_partials/head/head-unique.swig
index 8aa87021e9..dcdbbc962a 100644
--- a/layout/_partials/head/head-unique.swig
+++ b/layout/_partials/head/head-unique.swig
@@ -14,9 +14,10 @@
   <link rel="alternate" href="{{ url_for(theme.rss) }}" title="{{ title }}" type="application/atom+xml"/>
 {% endif %}
 
-{# Canonical, good for google search engine (SEO) : https://support.google.com/webmasters/answer/139066 #}
 {% if theme.canonical %}
-  <link rel="canonical" href="{{ config.url }}/{{ page.canonical_path.replace('index.html', '') }}"/>
+  {% set without_index = url.replace('index.html', '') %}
+  {% set without_html = without_index.replace('.html', '') %}
+  <link rel="canonical" href="{{ without_html }}"/>
 {% endif %}
 
 {# Exports some front-matter variables to Front-End #}
diff --git a/scripts/tags/button.js b/scripts/tags/button.js
index 13121ee801..ea530e24eb 100644
--- a/scripts/tags/button.js
+++ b/scripts/tags/button.js
@@ -1,5 +1,5 @@
 /**
- * button.js | https://theme-next.org/docs/tag-plugins/button/
+ * button.js | https://theme-next.org/docs/tag-plugins/button
  */
 
 /* global hexo */
diff --git a/scripts/tags/exturl.js b/scripts/tags/exturl.js
index 8ba6ce392a..b0286e7f93 100644
--- a/scripts/tags/exturl.js
+++ b/scripts/tags/exturl.js
@@ -1,5 +1,5 @@
 /**
- * exturl.js | https://theme-next.org/docs/tag-plugins/exturl/
+ * exturl.js | https://theme-next.org/docs/tag-plugins/exturl
  * Note: need to remove in NexT v7.0.0
  */
 
diff --git a/scripts/tags/full-image.js b/scripts/tags/full-image.js
index 1ce80bcc2a..84b70f5d53 100644
--- a/scripts/tags/full-image.js
+++ b/scripts/tags/full-image.js
@@ -1,5 +1,5 @@
 /**
- * full-image.js | https://theme-next.org/docs/tag-plugins/full-image/
+ * full-image.js | https://theme-next.org/docs/tag-plugins/full-image
  */
 
 /* global hexo */
diff --git a/scripts/tags/group-pictures.js b/scripts/tags/group-pictures.js
index 153645d9bb..0836d49344 100644
--- a/scripts/tags/group-pictures.js
+++ b/scripts/tags/group-pictures.js
@@ -1,5 +1,5 @@
 /**
- * group-pictures.js | https://theme-next.org/docs/tag-plugins/group-pictures/
+ * group-pictures.js | https://theme-next.org/docs/tag-plugins/group-pictures
  */
 
 /* global hexo */
diff --git a/scripts/tags/label.js b/scripts/tags/label.js
index 33181d1403..94fb38a0d5 100644
--- a/scripts/tags/label.js
+++ b/scripts/tags/label.js
@@ -1,5 +1,5 @@
 /**
- * label.js | https://theme-next.org/docs/tag-plugins/label/
+ * label.js | https://theme-next.org/docs/tag-plugins/label
  */
 
 /* global hexo */
diff --git a/scripts/tags/mermaid.js b/scripts/tags/mermaid.js
index 7b5aae6a6c..aa8e3bea19 100644
--- a/scripts/tags/mermaid.js
+++ b/scripts/tags/mermaid.js
@@ -1,5 +1,5 @@
 /**
- * mermaid.js | https://theme-next.org/docs/tag-plugins/mermaid/
+ * mermaid.js | https://theme-next.org/docs/tag-plugins/mermaid
  */
 
 /* global hexo */
diff --git a/scripts/tags/note.js b/scripts/tags/note.js
index 9bc02b60e2..578e2b36bf 100644
--- a/scripts/tags/note.js
+++ b/scripts/tags/note.js
@@ -1,5 +1,5 @@
 /**
- * note.js | https://theme-next.org/docs/tag-plugins/note/
+ * note.js | https://theme-next.org/docs/tag-plugins/note
  */
 
 /* global hexo */
diff --git a/scripts/tags/pdf.js b/scripts/tags/pdf.js
index f9b5ce3cb7..349e5fcf70 100644
--- a/scripts/tags/pdf.js
+++ b/scripts/tags/pdf.js
@@ -1,5 +1,5 @@
 /**
- * pdf.js | https://theme-next.org/docs/tag-plugins/pdf/
+ * pdf.js | https://theme-next.org/docs/tag-plugins/pdf
  */
 
 /* global hexo */
diff --git a/scripts/tags/tabs.js b/scripts/tags/tabs.js
index 08474ab7b7..4b39576f60 100644
--- a/scripts/tags/tabs.js
+++ b/scripts/tags/tabs.js
@@ -1,5 +1,5 @@
 /**
- * tabs.js | https://theme-next.org/docs/tag-plugins/tabs/
+ * tabs.js | https://theme-next.org/docs/tag-plugins/tabs
  */
 
 /* global hexo */
diff --git a/scripts/tags/video.js b/scripts/tags/video.js
index aafd576882..1688b8242c 100644
--- a/scripts/tags/video.js
+++ b/scripts/tags/video.js
@@ -1,5 +1,5 @@
 /**
- * video.js | https://theme-next.org/docs/tag-plugins/video/
+ * video.js | https://theme-next.org/docs/tag-plugins/video
  */
 
 /* global hexo */