when use in ubuntu it error

[buzai]

node v7 , ubuntu16 , redis 3.0.2
Error: please call push() method after start event
at Producer.push (/mydata/code/test/node_modules/_super-queue@0.1.0@super-queue/lib/producer.js:139:23)
at Object. (/mydata/code/test/Producer.js:19:3)
at Module._compile (module.js:571:32)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:488:32)
at tryModuleLoad (module.js:447:12)
at Function.Module._load (module.js:439:3)
at Module.runMain (module.js:605:10)
at run (bootstrap_node.js:427:7)
at startup (bootstrap_node.js:151:9)
at bootstrap_node.js:542:3
start working
Unhandled rejection Error: Connection is closed.
at /mydata/code/test/node_modules/_ioredis@2.5.0@ioredis/lib/connectors/connector.js:38:16
at _combinedTickCallback (internal/process/next_tick.js:73:7)
at process._tickCallback (internal/process/next_tick.js:104:9)
at Module.runMain (module.js:607:11)
at run (bootstrap_node.js:427:7)
at startup (bootstrap_node.js:151:9)
at bootstrap_node.js:542:3

[leizongmin]

const p = new Prosucer();
p.on('start', () => {
  // call push() after "start" event
  p.push(data);
});

[buzai]

@leizongmin thank u