Please download Leawo Audio Device Plug-in as below, it will be OK then.
For Mac 10.7 and former OS: http://www.fomore.com/download0/LeawoAudioDevice_1.pkg
For Mac 10.8.0 and later OS: http://www.fomore.com/download0/LeawoAudioDevice_2.pkg
This FAQ is about: Frequently Asked Questions, Music Recorder for Mac