Wish you enjoy the trip还是Wish you enjoying the trip正确

楼主的两个句子都是错的.
wish做动词时,只用于wish sb to do sth 或 wish +that从句（虚拟语气）或wish sb sth.若要表示“祝你旅途愉快或玩得开心”可用Wish you a happy journey/Wish you an enjoyable trip 即可.
问题补充：那：I wish you can （enjoy）the trip.括号中该填什
.但句子中的can 应改为 could 表示虚拟语气.