diff --git a/docs/conf.py b/docs/conf.py
index b06dd344b..e00f95f06 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -14,7 +14,7 @@ project = "DB-GPT"
 copyright = "2023, csunny"
 author = "csunny"
 
-version =  "👏👏 0.2.2"
+version = "👏👏 0.2.2"
 html_title = project + " " + version
 
 # -- General configuration ---------------------------------------------------