优化订单支付

backend/internal/modules/wallet/repository.go

@@ -3,11 +3,11 @@ package wallet
 import (
 	"crypto/rand"
 	"fmt"
-	"math"
 	"time"
 
 	"hfb_sys/backend/internal/model"
 	"hfb_sys/backend/internal/timeutil"
+	"hfb_sys/backend/pkg/money"
 
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
@@ -260,7 +260,7 @@ func applyEntry(account *model.WalletAccount, entry Entry) (float64, error) {
 }
 
 func roundWalletMoney(value float64) float64 {
-	return math.Round(value)
+	return money.Round(value)
 }
 
 func toAccountDTO(account model.WalletAccount) *AccountDTO {