About ofTheo's ofxKinectV2, the RGB image is not right

when I use the libfreenect2 and ofTheo’s ofxKinectV2 to connect the kinect, the depth image is normal ,but the rgb image is confusion, so i couldn’t use the image to show.

the code is in the web:

and my code is here:

if you know how to solve,please tell me soon, thank you very much.