npm install 的时候报如下错误：
npm ERR! code ETARGET
npm ERR! notarget No matching version found for wm-react-native-router@0.0.23
npm ERR! notarget In most cases you or one of your dependencies are requesting
npm ERR! notarget a package version that doesn't exist.
解决方法：
npm view wm-react-native-router
