View source for How to reset password as Admin account?

Hello. Everyone
I am administrator of my Wackowiki website but unfortunately I forget my password. And when I tried to sent reset email, I just didn't receive any emails in my registered email address. But I didn't see any error occupied when I clicked the reset button.
How can I resolve it? It seems I can not use Admin panel or recovery password as common ways.
Thank you for any help.