Disable session when message.source isn't exist. #23
Disable session when message.source isn't exist. #23

tdautc19841202/WeRoBot,weberwang/WeRoBot,weberwang/WeRoBot,one-leaf/WeRoBot,kmalloc/WeRoBot,chenjiancan/WeRoBot,cloverstd/WeRoBot,FlyRabbit/WeRoBot,Zhenghaotao/WeRoBot,FlyRabbit/WeRoBot,whtsky/WeRoBot,Infixz/WeRoBot,notwin/WeRoBot,cloverstd/WeRoBot,adam139/WeRobot,whtsky/WeRoBot,Zeacone/WeRoBot,adrianzhang/WeRoBot,adam139/WeRobot,whtsky/WeRoBot