启动时遇到如下问题，不知如何解决 #25
Description
========== badjs-web =========
[2018-05-17 09:28:47.902] [INFO] [default] - running in debug
[2018-05-17 09:28:48.426] [DEBUG] [default] - query url : http://127.0.0.1:9000/query
express-session deprecated undefined resave option; provide resave option badjs-web/workflow/ExpressInitWorker.js:23:9
express-session deprecated undefined saveUninitialized option; provide saveUninitialized option badjs-web/workflow/ExpressInitWorker.js:23:9
[2018-05-17 09:28:48.686] [INFO] [default] - connect mysql: mysql://root:root@localhost:3306/badjs
[2018-05-17 09:28:48.830] [INFO] [default] - starting mq ...
[2018-05-17 09:28:49.017] [INFO] [default] - create ProcessPool , number : 15
[2018-05-17 09:28:49.021] [INFO] [default] - start badjs-web , listen 8081 ...
[2018-05-17 09:28:49.083] [INFO] [default] - processor(28490) killed
[2018-05-17 09:28:49.107] [INFO] [default] - processor(28491) killed
[2018-05-17 09:28:49.108] [INFO] [default] - processor(28492) killed
[2018-05-17 09:28:49.108] [INFO] [default] - processor(28493) killed
[2018-05-17 09:28:49.108] [INFO] [default] - processor(28496) killed
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/opt/root/badjs-installer/badjs-web/node_modules/orm/lib/Express.js:17
throw err;
^
Error: connect ECONNREFUSED
at exports._errnoException (util.js:746:11)
at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1012:19)
--------------------
at Protocol._enqueue (/opt/root/badjs-installer/badjs-web/node_modules/mysql/lib/protocol/Protocol.js:145:48)
at Protocol.handshake (/opt/root/badjs-installer/badjs-web/node_modules/mysql/lib/protocol/Protocol.js:52:23)
at Connection.connect (/opt/root/badjs-installer/badjs-web/node_modules/mysql/lib/Connection.js:130:18)
at Driver.connect (/opt/root/badjs-installer/badjs-web/node_modules/orm/lib/Drivers/DML/mysql.js:60:10)
at Object.exports.connect (/opt/root/badjs-installer/badjs-web/node_modules/orm/lib/ORM.js:128:10)
at Object.module.exports (/opt/root/badjs-installer/badjs-web/node_modules/orm/lib/Express.js:12:6)
at Object.exports.express (/opt/root/badjs-installer/badjs-web/node_modules/orm/lib/ORM.js:39:30)
at Object. (/opt/root/badjs-installer/badjs-web/workflow/ExpressInitWorker.js:35:13)
at Module._compile (module.js:460:26)
at Object.Module._extensions..js (module.js:478:10)
events.js:85
throw er; // Unhandled 'error' event
^
Error: IPC channel is already disconnected
at process.target.disconnect (child_process.js:510:26)
at Worker.disconnect (cluster.js:650:13)
at Worker.onmessage (cluster.js:541:16)
at process. (cluster.js:692:8)
at process.emit (events.js:129:20)
at handleMessage (child_process.js:324:10)
at Pipe.channel.onread (child_process.js:352:11)