diff --git a/rule/user_wallet.go b/rule/user_wallet.go
index 00179c9..852070a 100644
--- a/rule/user_wallet.go
+++ b/rule/user_wallet.go
@@ -36,6 +36,7 @@ func DealUserWallet(session *xorm.Session, req md.DealUserWalletReq) (err error)
 		return err
 	}
 	amountValue := decimal.NewFromFloat(req.Amount).RoundFloor(4)
+	beforeAmountValue, _ := decimal.NewFromString(userAmount)
 
 	var userWalletFlow model.UserWalletFlow
 	userWalletFlow.Uid = req.Uid
@@ -47,10 +48,10 @@ func DealUserWallet(session *xorm.Session, req md.DealUserWalletReq) (err error)
 
 	if req.Direction == "add" {
 		userWalletFlow.Direction = 1
-		userWalletFlow.AfterAmount = amountValue.Add(amountValue).RoundFloor(8).String()
+		userWalletFlow.AfterAmount = beforeAmountValue.Add(amountValue).RoundFloor(8).String()
 	} else if req.Direction == "sub" {
 		userWalletFlow.Direction = 2
-		userWalletFlow.AfterAmount = amountValue.Sub(amountValue).RoundFloor(8).String()
+		userWalletFlow.AfterAmount = beforeAmountValue.Sub(amountValue).RoundFloor(8).String()
 		if zhios_order_relate_utils.StrToFloat64(userWalletFlow.AfterAmount) < 0 {
 			return errors.New("用户钱包余额不足")
 		}