pm2 的日志：
2016-07-01 05:20:42: [PM2][WORKER] Process 0 restarted because it uses 0 memory and has ONLINE status 2016-07-01 05:20:42: Stopping app:api id:0 2016-07-01 05:20:42: App name:api id:0 disconnected 2016-07-01 05:20:42: App name:api id:0 exited with code SIGTERM 2016-07-01 05:20:42: Process with pid 28 killed 2016-07-01 05:20:42: Starting execution sequence in -cluster mode- for app name:api id:0 2016-07-01 05:20:42: Error: spawn /usr/local/bin/node ENOENT at exports._errnoException (util.js:874:11) at Process.ChildProcess._handle.onexit (internal/child_process.js:178:32) at onErrorNT (internal/child_process.js:344:16) at doNTCallback2 (node.js:439:9) at process._tickDomainCallback (node.js:394:17) 2016-07-01 05:20:42: App name:api id:0 disconnected
