diff --git a/README.md b/README.md
index 438abfe..53976f0 100644
--- a/README.md
+++ b/README.md
@@ -40,4 +40,5 @@ valine:
   visitor: false # leancloud-counter-security is not supported for now. When visitor is set to be true, appid and appkey are recommended to be the same as leancloud_visitors' for counter compatibility. Article reading statistic https://valine.js.org/visitor.html
   comment_count: true # If false, comment count will only be displayed in post page, not in home page
   recordIP: false # Whether to record the commenter IP
+  libUrl: https://cdnjs.cloudflare.com/ajax/libs/valine/1.5.1/Valine.min.js # Valine.min.js file URL in CDN (or local path)
 ```
diff --git a/default.yaml b/default.yaml
index 9373b06..c2345fb 100644
--- a/default.yaml
+++ b/default.yaml
@@ -16,3 +16,4 @@ valine:
   recordIP: false # Whether to record the commenter IP
   enableQQ: false # Whether to enable the Nickname box to automatically get QQ Nickname and QQ Avatar
   requiredFields: [] # Set required fields: [nick] | [nick, mail]
+  libUrl: https://cdnjs.cloudflare.com/ajax/libs/valine/1.5.1/Valine.min.js # Valine.min.js file URL in CDN (or local path)
diff --git a/valine.njk b/valine.njk
index 2793241..93c86c3 100644
--- a/valine.njk
+++ b/valine.njk
@@ -1,6 +1,7 @@
 {%- if next_data %}
 
 {{ next_data('valine', config.valine, {
+  libUrl: config.valine.libUrl | default('https://cdnjs.cloudflare.com/ajax/libs/valine/1.5.1/Valine.min.js',true),
   el: '#valine-comments',
   path: url_for(page.path) | replace(r/index\.html$/, ''),
   serverURLs: config.valine.serverURLs or 'https://' + config.valine.appId.slice(0, 8) | lower + '.api.lncldglobal.com'
@@ -9,7 +10,7 @@
 document.addEventListener('page:loaded', () => {
   NexT.utils.loadComments(CONFIG.valine.el)
     .then(() => NexT.utils.getScript(
-      'https://fastly.jsdelivr.net/npm/valine@1.4.14/dist/Valine.min.js',
+      CONFIG.valine.libUrl,
       { condition: window.Valine }
     ))
     .then(() => {
@@ -21,9 +22,10 @@ document.addEventListener('page:loaded', () => {
 {%- else %}
 
 {%- set serverURLs = config.valine.serverURLs or 'https://' + config.valine.appId.slice(0, 8) | lower + '.api.lncldglobal.com' %}
+{%- set libUrl = config.valine.libUrl | default('https://cdnjs.cloudflare.com/ajax/libs/valine/1.5.1/Valine.min.js',true) %}
 <script>
 NexT.utils.loadComments('#valine-comments', () => {
-  NexT.utils.getScript('https://fastly.jsdelivr.net/npm/valine@1.5.1/dist/Valine.min.js', () => {
+  NexT.utils.getScript({{libUrl}}, () => {
     new Valine(Object.assign({{ config.valine | safedump }}, {
       el: '#valine-comments',
       path: {{ url_for(page.path) | replace(r/index\.html$/, '') | safedump }},