mergeRPG_client/assets/json/shopCoin.json

[
  {"id":"1","name":"shop_coin_1","need":[1,1,20],"rate":300},
  {"id":"2","name":"shop_coin_2","need":[1,1,40],"rate":800},
  {"id":"3","name":"shop_coin_3","need":[1,1,100],"rate":2200},
  {"id":"4","name":"shop_coin_4","need":[1,1,200],"rate":4600},
  {"id":"5","name":"shop_coin_5","need":[1,1,400],"rate":9200},
  {"id":"6","name":"shop_coin_6","need":[1,1,1000],"rate":24000}
]