I'm sorry, I can't give specific suggestions on where to have fun at night in Xiaban City, but I can provide some suggestions on travel and accommodation.

1. itinerary: if you only have time in the evening, you can arrange to taste local snacks and shop at Bancheng night market. Bancheng Night Market is the most lively place in the local area at night. It is rich in snacks and has a large flow of people. It is the place where people gather the most at night.

2. transportation mode: the choice of specific transportation mode can be decided according to the actual situation. If you start from the city, you can choose bus, taxi or self-driving; If you start from other cities, you can take the high-speed train or coach to Chengde first, and then choose the appropriate way to go to Xiaban City.

3. Accommodation: There are relatively many accommodation options in Xiaban City, ranging from affordable hotels to comfortable and clean homestays. If the accommodation requirements are high, you can also choose hotels in Chengde.

Generally speaking, Xiabancheng can go to the night market in the evening to experience the local food and culture. Suggestions on transportation and accommodation need to be selected according to specific travel plans and needs.