diff --git a/docs/conf.py b/docs/conf.py
index ea3919dc5..7dc719214 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -48,7 +48,7 @@ exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
 
 
 # multi language config
-language = "en"
+language = "en"   # ['en', 'zh_CN'] #
 locales_dirs = ['./locales/']
 gettext_compact = False
 gettext_uuid = True