You have triggered an unhandledRejection, you may have forgotten to catch a Promise rejection:
Error: rpc call failed code = ReqFailed | null
    at Object.throw_ (/data/game/svr-srs-center/node_modules/lib-core/lib/tools/exception.js:14:15)
    at entity.<anonymous> (/data/game/svr-srs-center/node_modules/lib-core/lib/rpc/center/centerClient.js:564:45)
    at Generator.next (<anonymous>)
    at fulfilled (/data/game/svr-srs-center/node_modules/lib-core/lib/rpc/center/centerClient.js:5:58)
    at process._tickCallback (internal/process/next_tick.js:68:7)