WARNING ITMS-90076: "Potential Loss of Keychain Access. The previous version
 of software has an application-identifier value of 
['X36D3JH723.com.minxin.minxin'] and the new version of software being submitted 
has an application-identifier of 
['4Z63LKXNNA.com.minxin.minxin']. This will result in aloss of keychain access."

今天在提交应用时，有如上警告，原因是我们的应用最近从另一个帐号转让到了另一个帐号，这只是个警告，不影响上传及服务器编译。