Implement n functions...Fuck it!

Signed-off-by: Ryeyao <rye.y.cn@gmail.com>
Implement n functions...Fuck it!

Signed-off-by: Ryeyao <rye.y.cn@gmail.com>
Fixed some merge bugs

Signed-off-by: Ryeyao <rye.y.cn@gmail.com>
fix bugs