Gesture Lock Screen CM9 (Cyanogenmod 9)

Hello Experts,
I have this problem.
I build up my phone to use a Gesture Lock Screen CM9, and set it to not to show the unlock button. Now the Gesture Lock Screen isn't working, I couldn't unlock the lock screen. I think there are really ways to fix it or turn it back into default but I do not know what and how to do it.
I hope you could give me a solution, experts.
Thanks
