diff --git a/business/lakala/lakala_incoming.go b/business/lakala/lakala_incoming.go
index 52b33825c..1632ad98b 100644
--- a/business/lakala/lakala_incoming.go
+++ b/business/lakala/lakala_incoming.go
@@ -142,7 +142,7 @@ func MerchantFeeQuery(customerNo, productCode string) (*lakala.MerchantFeeResp,
 }
 
 // MerchantFeeChange 商户费率信息变更
-func MerchantFeeChange(param *lakala.FeeChangeReq, customerNo string) (int, string, error) {
+func MerchantFeeChange(param *lakala.FeeChangeReq, customerNo string) (int64, string, error) {
 	changeId, status, err := api.LaKaLaApi.MerchantFeeChange(param, customerNo)
 	if err != nil {
 		return 0, "", err
@@ -154,7 +154,7 @@ func MerchantFeeChange(param *lakala.FeeChangeReq, customerNo string) (int, stri
 		if err != nil {
 			return 0, "", err
 		}
-		merchant.FeeId = utils.Int2Str(changeId)
+		merchant.FeeId = utils.Int64ToStr(changeId)
 		merchant.FeeStatus = status
 		dao.UpdateEntity(db, merchant, "FeeId", "FeeStatus")
 	}
diff --git a/controllers/lakala.go b/controllers/lakala.go
index c515f9819..8c91cfcf4 100644
--- a/controllers/lakala.go
+++ b/controllers/lakala.go
@@ -183,7 +183,7 @@ func (c *LaKaLaController) CustomerFeeChange() {
 		}
 
 		changeID, changeStatus, err := lakalaServer.MerchantFeeChange(fee, params.CustomerNo)
-		return map[string]string{"id": utils.Int2Str(changeID), "status": changeStatus}, "", err
+		return map[string]string{"id": utils.Int64ToStr(changeID), "status": changeStatus}, "", err
 	})
 }