H5端向ios发送消息时ios闪退，求助

在h5端向android端和ios端发送消息，android端正常接收，ios端闪退，报错： *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFNumber stringByTrimmingCharactersInSet:]: unrecognized selector sent to instance 0xb001d1e82c100013'