iphone 5s, iOS 7.1 Enterprise certificate published, unable to install, still prompt for invalid certificate

I am not familiar with iOS, the latest write an iOS app, issued with Enterprise certificate, test install phone for iphone 5s, iOS 7.1. Both itunes and the online installation are the last tips to fail.

Certificate generation process Reference: http://blog.csdn.net/chenyong05314/article/details/38826463

Signature files are certainly not a problem, profiles are configured, the compilation parameters are selected for the corresponding signature certificate, and profiles.

Is that there is a devices add mobile phone udid, this piece I do not understand, is the need to add to this block of mobile phone to download the installation, I think this is the test release to add, I am now using the form of Ad-hoc release, is unable to install successfully, according to the hint, is definitely the signature problem, Do not know Apple background configuration also need to pay attention to?

iphone 5s, iOS 7.1 Enterprise certificate published, unable to install, still prompt for invalid certificate