diff --git a/src/Senparc.Weixin.TenPay/Senparc.Weixin.TenPayV3/Apis/BasePay/BasePayApis.cs b/src/Senparc.Weixin.TenPay/Senparc.Weixin.TenPayV3/Apis/BasePay/BasePayApis.cs
index 21ff1b3955..2349c0706f 100644
--- a/src/Senparc.Weixin.TenPay/Senparc.Weixin.TenPayV3/Apis/BasePay/BasePayApis.cs
+++ b/src/Senparc.Weixin.TenPay/Senparc.Weixin.TenPayV3/Apis/BasePay/BasePayApis.cs
@@ -598,7 +598,7 @@ public async Task<RefundReturnJson> RefundAsync(RefundRequestData data, int time
         /// <summary>
         /// 查询单笔退款接口
         /// </summary>
-        /// <param name="out_refund_no">商户系统内部的退款单号，商户系统内部唯一，只能是数字、大小写字母_-|*@ ，同一退款单号多次请求只退一笔。示例值：1217752501201407033233368018</param>
+        /// <param name="data">请求数据</param>
         /// <param name="timeOut">超时时间，单位为ms</param>
         /// <returns></returns>
         public async Task<RefundReturnJson> RefundQueryAsync(RefundQueryRequestData data, int timeOut = Config.TIME_OUT)
diff --git a/src/Senparc.Weixin.TenPay/Senparc.Weixin.TenPayV3/Apis/BasePay/Entities/RequestData/RefundQueryRequestData.cs b/src/Senparc.Weixin.TenPay/Senparc.Weixin.TenPayV3/Apis/BasePay/Entities/RequestData/RefundQueryRequestData.cs
index d5a59247f1..399f97d538 100644
--- a/src/Senparc.Weixin.TenPay/Senparc.Weixin.TenPayV3/Apis/BasePay/Entities/RequestData/RefundQueryRequestData.cs
+++ b/src/Senparc.Weixin.TenPay/Senparc.Weixin.TenPayV3/Apis/BasePay/Entities/RequestData/RefundQueryRequestData.cs
@@ -73,7 +73,6 @@ public RefundQueryRequestData(string sub_mchid, string out_refund_no)
         /// 子商户的商户号，由微信支付生成并下发。
         /// 示例值：1900000109
         /// </summary>
-        [JsonIgnore]
         public string sub_mchid { get; set; }
         #endregion