删除多余注释。
默认不加载。
Revert "默认不加载。"

This reverts commit 50757059a2b755bd723df40c68e49d9518552374.
Revert "Revert "默认不加载。""

This reverts commit fd3ca3d6c8a98f16d10b709f9f787fd0708f9c4c.