zylxadz的专栏

http://jingyan.baidu.com/article/d8072ac4211b44ec94cefd7e.html

1.verify that your device’s clock is properly set原先证书失效（1）Apple developer->Certificates, Identifiers & Profiles->Certificates->Development Download证书->ios_development.cer。（2）钥匙串访问->证书->删除原来失效的->

从拿到Mac，怎么把Mac一步步装成工作本。待补