diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MarketingFavor/UsersCoupons/SendMarketingFavorUserCouponRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MarketingFavor/UsersCoupons/SendMarketingFavorUserCouponRequest.cs
index ba91e5cd..38aee0dc 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MarketingFavor/UsersCoupons/SendMarketingFavorUserCouponRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MarketingFavor/UsersCoupons/SendMarketingFavorUserCouponRequest.cs
@@ -32,8 +32,8 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
         /// <summary>
         /// 获取或设置用户唯一标识。
         /// </summary>
-        [Newtonsoft.Json.JsonProperty("openid")]
-        [System.Text.Json.Serialization.JsonPropertyName("openid")]
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
         public string OpenId { get; set; } = string.Empty;
 
         /// <summary>