把 node_modules 里面的 react-native 和 react 删掉，

然后在这个项目里，重新 npm install react-native@0.22.2 react@0.14.8 --save

结果

npm WARN deprecated cross-spawn-async@2.2.4: cross-spawn no longer requires a build toolchain, use it instead!

npm WARN deprecated minimatch@2.0.10: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue

SOLINK_MODULE(target) Release/validation.node

clang: warning: libstdc++ is deprecated; move to libc++ with a minimum deployment target of OS X 10.9

然后：react-native run-ios

模拟器上imoocApp打不开

/Users/Adrain/Projects/imoocApp/node_modules/react-native/Libraries/WebSocket/RCTSRWebSocket.m:482:3: error:

      ignoring return value of function declared with warn_unused_result

      attribute [-Werror,-Wunused-result]

  SecRandomCopyBytes(kSecRandomDefault, keyBytes.length, keyBytes.mutableBytes);