ReactNaitve之cocopod報錯Invalid `RNFS.podspec` file: Malformed version number string v2.1.0-rc.1.

[!] Failed to load 'RNFS' podspec: 
[!] Invalid `RNFS.podspec` file: Malformed version number string v2.1.0-rc.1.

 #  from /Users/liuzhao/Documents/Project/Develop/xsy-breeze-m-dayone/node_modules/react-native-fs/RNFS.podspec:13
 #  -------------------------------------------
 #    s.platform        = :ios, "7.0"
 >    s.source          = { :git => "https://github.com/johanneslumpe/react-native-fs", :tag => "#{s.version}" }
 #    s.source_files    = '*.{h,m}'
 #  -------------------------------------------

react-native-fs版本太低了，需要更改版本就ok了。

最簡單粗暴的版本就是在github上下載react-native-fs，然後替換moudle中的react-native-fs