data_location/town/640502.json

{"640502100":"滨河镇","640502101":"文昌镇","640502102":"东园镇","640502103":"柔远镇","640502104":"镇罗镇","640502105":"宣和镇","640502106":"永康镇","640502107":"常乐镇","640502108":"迎水桥镇","640502109":"兴仁镇","640502200":"香山乡","640502201":"蒿川乡"}