diff --git a/lib/local_wechat/api.go b/lib/local_wechat/api.go
index 36e0757..2cea5d0 100644
--- a/lib/local_wechat/api.go
+++ b/lib/local_wechat/api.go
@@ -52,8 +52,8 @@ func TradeAppRefund(client *wechat.Client, subject, transactionId, outRefundNo,
 		Set("nonce_str", util.GetRandomString(32)).
 		Set("sign_type", wechat.SignType_MD5).
 		Set("out_refund_no", outRefundNo).
-		Set("total_fee", int(zhios_pay_utils.StrToFloat64(totalFee)*100)).
-		Set("refund_fee", int(zhios_pay_utils.StrToFloat64(amount)*100)).
+		Set("total_fee", totalFee).
+		Set("refund_fee", amount).
 		Set("refund_desc", subject).
 		Set("notify_url", notifyUrl)
 	wxRsp, resBm, err := client.Refund(bm, nil, nil, p12Path)