增加接口实现
Revert "增加接口实现"

This reverts commit 26aeb2e7486ffe9a14f9cf99df90959547a21bc6.
Revert "Revert "增加接口实现""

This reverts commit 4aed56631fd5b06be96d1c1598b4095c8f2abf7b.