joinRoom、startGame后杀掉小游戏，重进getLastRoomInfo获取房间状态为2，startGame成功，接着ownerLeaveRoom，返回game has not started。

joinRoom、未startGame，杀掉小游戏，重进getLastRoomInfo获取房间状态为1，startGame成功，onGameStart事件都不会触发。

相关问题：https://developers.weixin.qq.com/community/develop/doc/000e0c28acc048be4c0afb41a57000?highline=startGame%E5%90%8E%E6%9D%80%E6%8E%89%E5%B0%8F%E6%B8%B8%E6%88%8F%EF%BC%8C%E9%87%8D%E8%BF%9B