diff --git a/.github/workflows/update-readme-index.yml b/.github/workflows/update-readme-index.yml
index c87638e8..7dfcee59 100644
--- a/.github/workflows/update-readme-index.yml
+++ b/.github/workflows/update-readme-index.yml
@@ -27,4 +27,3 @@ jobs:
         with:
           commit_message: "🛠️ 自动更新目录索引"
           file_pattern: "README.md"
-          branch: github-pages-pre