data_location/town/450803.json

{"450803001":"江南","450803100":"桥圩镇","450803101":"木格镇","450803102":"木梓镇","450803103":"湛江镇","450803104":"东津镇","450803105":"八塘镇","450803106":"新塘镇","450803201":"瓦塘乡"}