diff --git a/bin/marketserver/config/recharge_currency@recharge_currency.json b/bin/marketserver/config/recharge_currency@recharge_currency.json
index d25ec798..5016b3e6 100644
--- a/bin/marketserver/config/recharge_currency@recharge_currency.json
+++ b/bin/marketserver/config/recharge_currency@recharge_currency.json
@@ -1,5 +1,5 @@
 {
-  "currency_name": "",
+  "currency_name": "TestToken",
   "exchange_rate": 50,
   "currency_decimal": 6
 }
diff --git a/server/marketserver/api/v1/recharge/recharge.go b/server/marketserver/api/v1/recharge/recharge.go
index c44e1038..ca537177 100644
--- a/server/marketserver/api/v1/recharge/recharge.go
+++ b/server/marketserver/api/v1/recharge/recharge.go
@@ -46,7 +46,7 @@ func (this *RechargeApi) Buy(c *gin.Context) {
 	reqJson := struct {
 		NetId          int32  `json:"net_id"`
 		GoodsId        int32  `json:"goods_id"`
-		Num            int32  `json:"num"`
+		Num            int32  `json:"goods_num"`
 		AccountAddress string `json:"account_address"`
 	}{}
 	if err := c.ShouldBindJSON(&reqJson); err != nil {
@@ -82,7 +82,7 @@ func (this *RechargeApi) Buy(c *gin.Context) {
 		f5.RspErr(c, 2, "goods id param error")
 		return
 	}
-	if reqJson.Num < 0 || reqJson.Num > goodsMeta.GetMaxBuyTimes() {
+	if reqJson.Num <= 0 || reqJson.Num > goodsMeta.GetMaxBuyTimes() {
 		f5.RspErr(c, 2, "num param error")
 		return
 	}
@@ -130,7 +130,7 @@ func (this *RechargeApi) Buy(c *gin.Context) {
 		Calls   []jccommon.ContractCall `json:"calls"`
 	}{}
 	var itemNum int32 = reqJson.Num
-	var diamond int64 = currencyMeta.GetExchangeRate() *  q5.ToInt64(goodsMeta.GetDiamond()) * int64(itemNum)
+	var diamond int64 = q5.ToInt64(goodsMeta.GetDiamond()) * int64(itemNum)
 	url := fmt.Sprintf("%s/webapp/index.php", mt.Table.Web3SignCluster.RandElement().GetUrl())
 	f5.GetHttpCliMgr().SendGoStyleRequest(
 		url,