diff --git a/docs/en/conf.py b/docs/en/conf.py
index 9101ba3f..150d5ca7 100644
--- a/docs/en/conf.py
+++ b/docs/en/conf.py
@@ -117,6 +117,10 @@ html_js_files = [
     'js/custom.js'
 ]
 
+html_context = {
+    'github_version': 'main',
+}
+
 # -- Options for HTMLHelp output ---------------------------------------------
 
 # Output file base name for HTML help builder.
diff --git a/docs/zh_cn/conf.py b/docs/zh_cn/conf.py
index 8910ead0..2a5e3f59 100644
--- a/docs/zh_cn/conf.py
+++ b/docs/zh_cn/conf.py
@@ -117,6 +117,10 @@ html_js_files = [
     'js/custom.js'
 ]
 
+html_context = {
+    'github_version': 'main',
+}
+
 # -- Options for HTMLHelp output ---------------------------------------------
 
 # Output file base name for HTML help builder.