pomelo运行时提示JSON格式错误

Question

在运行pomelo的时候，提示

[ERROR] console -  Caught exception: TypeError: Converting circular structure to JSON错误

at Object.stringify (native)

at util.js:41:30
at String.replace (native)
at Object.exports.format (util.js:35:23)
at formatLogData (/home/game/GangCreed/game-server/node_modules/pomelo-logger/node_modules/log4js/lib/layouts.js:39:22)
at colouredLayout (/home/game/GangCreed/game-server/node_modules/pomelo-logger/node_modules/log4js/lib/layouts.js:108:7)
at Logger.<anonymous> (/home/game/GangCreed/game-server/node_modules/pomelo-logger/node_modules/log4js/lib/appenders/console.js:8:16)
at Logger.emit (events.js:95:17)
at Logger.log (/home/game/GangCreed/game-server/node_modules/pomelo-logger/node_modules/log4js/lib/logger.js:58:10)
at Logger.(anonymous function) [as warn] (/home/game/GangCreed/game-server/node_modules/pomelo-logger/node_modules/log4js/lib/logger.js:77:30)

请问有遇到过此问题的同志吗？