diff --git a/.github/workflows/api_docs.yml b/.github/workflows/api_docs.yml
index b6dab96b..ebf1741a 100644
--- a/.github/workflows/api_docs.yml
+++ b/.github/workflows/api_docs.yml
@@ -36,5 +36,5 @@ jobs:
           git config user.name nonebot
           git config user.email nonebot@nonebot.dev
           git add .
-          git commit -m ":memo: update api docs"
+          git diff-index --quiet HEAD || git commit -m ":memo: update api docs"
           git push