diff --git a/pnpm-install/action.yml b/pnpm-install/action.yml
index c784ca0..f1666b8 100644
--- a/pnpm-install/action.yml
+++ b/pnpm-install/action.yml
@@ -170,7 +170,14 @@ runs:
           rm -rf .pnpm-store || true
         fi
         echo "🧾 git status --short"
-        git status --short || true
+        CHANGES=$(git status --short || true)
+        if [[ -n "$CHANGES" ]]; then
+          echo "$CHANGES"
+          echo "❌ 安装依赖后检测到工作区存在未提交变更。请检查上述文件，必要时更新配置或在调用前设置 PNPM_STORE_DIR。" >&2
+          exit 1
+        else
+          echo "✅ 工作区保持干净"
+        fi
 
     - name: 总结
       shell: bash