启动 RN 报错    Loading dependency graph...2019-07-30T14:56:55,837: [116790720] the permissions on /usr/local/var/run/watchman/zxl-state allow others to write to it. Verify that you own the contents and then fix its permissions by running `chmod 0700 /usr/local/var/run/watchman/zxl-state`

Watchman:  watchman --no-pretty get-sockname returned with exit code=1, signal=null, stderr= 2019-07-30T14:56:55,837: [116790720] the permissions on /usr/local/var/run/watchman/zxl-state allow others to write to it. Verify that you own the contents and then fix its permissions by running `chmod 0700 /usr/local/var/run/watchman/zxl-state`

mac  解决方法：打开一个新窗口  输入命令brew install node  重新安装下就好了。不过这个过程很慢，我安装了一个多小时，可能和网络有关系吧。应该还有其他的解决方法的。