[PM2] Spawning PM2 daemon with pm2_home=/home/xxx/.pm2

运行pm2启动应用的时候，报下面这个错误

[PM2] Spawning PM2 daemon with pm2_home=/home/sufubo/.pm2

查看log

/usr/lib/node_modules/pm2/node_modules/chokidar/index.js:151
  async remove(item) {
        ^^^^^^

SyntaxError: Unexpected identifier
    at createScript (vm.js:56:10)
    at Object.runInThisContext (vm.js:97:10)
    at Module._compile (module.js:549:28)
    at Object.Module._extensions..js (module.js:586:10)
    at Module.load (module.js:494:32)
    at tryModuleLoad (module.js:453:12)
    at Function.Module._load (module.js:445:3)
    at Module.require (module.js:504:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/usr/lib/node_modules/pm2/lib/Watcher.js:6:16)

原来是pm2版本过高，因为我的nodejs才是v6.17.1版本。
解决办法，安装低版本pm2解决

npm i pm2@3.5.1 -g