lock operation

[xtexx]

As the title, is it possible to lock keys?

[chenyuanrun]

Need lock support too.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 14 days if no further activity occurs. Thank you for your contributions.

[xtexx]

no stale pls

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 14 days if no further activity occurs. Thank you for your contributions.

[xtexx]

we need this