我遇到的问题（四）

1、打包时证书错误
“xxxx Co.,Ltd.” has 3 Apple Distribution certificates but their private keys are not installed. Contact the creator of one of these certificates to get a copy of the private key.

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解决办法：开发者账号里面，xcode自动生成的证书太多了，删掉自己的证书，重新打包就Ok了。

2、运行项目时App闪退

dyld: lazy symbol binding failed: Symbol not found: _objc_alloc_init
  Referenced from: /Users/xxx/Library/Developer/CoreSimulator/Devices/D8AE0B3A-0E1D-4884-BD95-38CE42D4B6D3/data/Containers/Bundle/Application/BC8E7CFC-22E8-485B-BDD1-CAB8534C8D37/project.app/project
  Expected in: /Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 11.3.simruntime/Contents/Resources/RuntimeRoot/usr/lib/libobjc.A.dylib

dyld: Symbol not found: _objc_alloc_init
  Referenced from: /Users/xxx/Library/Developer/CoreSimulator/Devices/D8AE0B3A-0E1D-4884-BD95-38CE42D4B6D3/data/Containers/Bundle/Application/BC8E7CFC-22E8-485B-BDD1-CAB8534C8D37/project.app/project
  Expected in: /Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 11.3.simruntime/Contents/Resources/RuntimeRoot/usr/lib/libobjc.A.dylib

原因：其中一个静态库不支持当前iOS版本
解决办法：静态库处理，在xcode中查看project --> summary --> Deployment target， 修改成合适版本，重新打包给App使用。