diff --git a/scripts/ci/auto_fix_formatting.py b/scripts/ci/auto_fix_formatting.py
index 76b77fdab..ad5252819 100755
--- a/scripts/ci/auto_fix_formatting.py
+++ b/scripts/ci/auto_fix_formatting.py
@@ -62,7 +62,7 @@ def ensure_git_repo(api_url, repo, token, pr_number):
     # 强制checkout到源分支（覆盖tarball内容）
     # tarball是merge后的commit，源分支才是我们要修改并推送的目标
     print("切换到源分支...")
-    run(f"git checkout -B {head_branch} FETCH_HEAD")
+    run(f"git checkout -B --force {head_branch} FETCH_HEAD")
 
     result = run("git status --porcelain")
     if result.stdout.strip():