[LayaAir 2.0]laya2.0里bundle.js删除之后为什么不会重新生成了，改原来的代码又不生效

出错了:events.js:163
throw er; // Unhandled 'error' 
Error: Cannot find module '../../release/wxgame/js/bundle' from 'E:\layaSrc_200\laya200_test\xxxxxxx\src\gameParts'
at D:\LayaAirIDE_200_beta\resources\app\node_modules\browser-resolve\node_modules\resolve\lib\async.js:55:21
at load (D:\LayaAirIDE_200_beta\resources\app\node_modules\browser-resolve\node_modules\resolve\lib\async.js:69:43)
at onex (D:\LayaAirIDE_200_beta\resources\app\node_modules\browser-resolve\node_modules\resolve\lib\async.js:92:31)
at D:\LayaAirIDE_200_beta\resources\app\node_modules\browser-resolve\node_modules\resolve\lib\async.js:22:47
at FSReqWrap.oncomplete (fs.js:114:15)
 
求官方给个答复，我什么设置都没有动，怎么自己去微信小游戏发布目录启动了