在egg中加入egg-sequelize后，npm run dev报错，尝试过很多次，也换过数据库，都报错 请问这是什么问题

2019-04-08 21:22:18,797 ERROR 12252 nodejs.AgentWorkerDiedError: [master] agent_worker#1:10556 died (code: 1, signal: null) at Master.onAgentExit (F:\MX\MX_0.2\node_modules\egg-cluster\lib\master.js:341:17) at Master.emit (events.js:182:13) at Messenger.sendToMaster (F:\MX\MX_0.2\node_modules\egg-cluster\lib\utils\messenger.js:137:17) at Messenger.send (F:\MX\MX_0.2\node_modules\egg-cluster\lib\utils\messenger.js:102:12) at ChildProcess.agentWorker.once (F:\MX\MX_0.2\node_modules\egg-cluster\lib\master.js:232:22) at Object.onceWrapper (events.js:273:13) at ChildProcess.emit (events.js:182:13) at Process.ChildProcess._handle.onexit (internal/child_process.js:240:12) name: "AgentWorkerDiedError" pid: 12252 hostname: