diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECPromoter/Coupon/ChannelsECPromoterGetCouponDetailResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECPromoter/Coupon/ChannelsECPromoterGetCouponDetailResponse.cs
index 15307060..46874c57 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECPromoter/Coupon/ChannelsECPromoterGetCouponDetailResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECPromoter/Coupon/ChannelsECPromoterGetCouponDetailResponse.cs
@@ -9,6 +9,26 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         {
             public class Coupon : ChannelsECCouponGetResponse.Types.Coupon
             {
+                /// <summary>
+                /// 获取或设置是否可膨胀。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("is_can_up")]
+                [System.Text.Json.Serialization.JsonPropertyName("is_can_up")]
+                public bool IsCanUp { get; set; }
+
+                /// <summary>
+                /// 获取或设置膨胀最大倍数。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("can_up_times")]
+                [System.Text.Json.Serialization.JsonPropertyName("can_up_times")]
+                public int CanUpTimes { get; set; }
+
+                /// <summary>
+                /// 获取或设置最大优惠金额（单位：分）。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("discount_limit")]
+                [System.Text.Json.Serialization.JsonPropertyName("discount_limit")]
+                public int? DiscountLimit { get; set; }
             }
         }
 
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECPromoter/Coupon/ChannelsECPromoterGetCouponQrcodeRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECPromoter/Coupon/ChannelsECPromoterGetCouponQrcodeRequest.cs
index 26859ee6..1b0d2ec8 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECPromoter/Coupon/ChannelsECPromoterGetCouponQrcodeRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECPromoter/Coupon/ChannelsECPromoterGetCouponQrcodeRequest.cs
@@ -19,6 +19,13 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
         [System.Text.Json.Serialization.JsonPropertyName("sharer_openid")]
         public string? SharerOpenId { get; set; }
 
+        /// <summary>
+        /// 获取或设置来源的机构 AppId。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("from_head_supplier_appid")]
+        [System.Text.Json.Serialization.JsonPropertyName("from_head_supplier_appid")]
+        public string? FromHeadSupplierAppId { get; set; }
+
         /// <summary>
         /// 获取或设置券 ID。
         /// </summary>