diff --git a/auto-commit-config.sh b/auto-commit-config.sh
index c0d89a1..d444df0 100755
--- a/auto-commit-config.sh
+++ b/auto-commit-config.sh
@@ -7,7 +7,7 @@ cd "$REPO_DIR" || exit 1
 
 # 检查是否有变更
 # 检查是否有文件变更（忽略子模块 workspace）
-CHANGES=$(git status --porcelain 2>/dev/null | grep -v '^[? ]* workspace' | head -1)
+CHANGES=$(git status --porcelain --ignore-submodules 2>/dev/null)
 if [ -z "$CHANGES" ]; then
     # 无变更，静默退出
     exit 0