diff --git a/constant.go b/constant.go
index 3d4bdc23..b0360823 100644
--- a/constant.go
+++ b/constant.go
@@ -7,7 +7,7 @@ const (
 	OK       = "OK"
 	DebugOff = 0
 	DebugOn  = 1
-	Version  = "1.5.68"
+	Version  = "1.5.69"
 )
 
 type DebugSwitch int8
diff --git a/release_note.txt b/release_note.txt
index 5d6e4279..d2036fbf 100644
--- a/release_note.txt
+++ b/release_note.txt
@@ -1,3 +1,7 @@
+版本号：Release 1.5.69
+修改记录：
+   (1) 微信V3：修改 client.V3RefundQuery()、增加入参参数，适配 服务商 模式
+
 版本号：Release 1.5.68
 修改记录：
    (1) 微信V3：修复 client.V3ComplaintResponse()、client.V3ComplaintComplete()， complaintId 参数类型错误问题
diff --git a/wechat/v3/refund.go b/wechat/v3/refund.go
index 9f7651fc..6b6ce97e 100644
--- a/wechat/v3/refund.go
+++ b/wechat/v3/refund.go
@@ -37,11 +37,15 @@ func (c *ClientV3) V3Refund(ctx context.Context, bm gopay.BodyMap) (wxRsp *Refun
 }
 
 // 查询单笔退款API
+//	注意：商户查询时，bm 可传 nil；服务商时，传相应query参数
 //	Code = 0 is success
 //	商户文档：https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_1_10.shtml
 //	服务商文档：https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_1_10.shtml
-func (c *ClientV3) V3RefundQuery(ctx context.Context, outRefundNo string) (wxRsp *RefundQueryRsp, err error) {
+func (c *ClientV3) V3RefundQuery(ctx context.Context, outRefundNo string, bm gopay.BodyMap) (wxRsp *RefundQueryRsp, err error) {
 	uri := fmt.Sprintf(v3DomesticRefundQuery, outRefundNo)
+	if bm != nil {
+		uri = fmt.Sprintf(v3DomesticRefundQuery, outRefundNo) + "?" + bm.EncodeURLParams()
+	}
 	authorization, err := c.authorization(MethodGet, uri, nil)
 	if err != nil {
 		return nil, err