diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductAddRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductAddRequest.cs
index e7cc6bc6..0cbef263 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductAddRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductAddRequest.cs
@@ -229,6 +229,13 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 [Newtonsoft.Json.JsonProperty("damage_guarantee")]
                 [System.Text.Json.Serialization.JsonPropertyName("damage_guarantee")]
                 public int? DamageGuarantee { get; set; }
+
+                /// <summary>
+                /// 获取或设置是否支持换货。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("exchange_support")]
+                [System.Text.Json.Serialization.JsonPropertyName("exchange_support")]
+                public int? ExchangeSupport { get; set; }
             }
 
             public class Aftersale
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductAuditFreeRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductAuditFreeRequest.cs
index f59e1aa1..d9888336 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductAuditFreeRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductAuditFreeRequest.cs
@@ -177,6 +177,13 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                 [Newtonsoft.Json.JsonProperty("damage_guarantee")]
                 [System.Text.Json.Serialization.JsonPropertyName("damage_guarantee")]
                 public int? DamageGuarantee { get; set; }
+
+                /// <summary>
+                /// 获取或设置是否支持换货。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("exchange_support")]
+                [System.Text.Json.Serialization.JsonPropertyName("exchange_support")]
+                public int? ExchangeSupport { get; set; }
             }
         }
 
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductGetResponse.cs
index ef04ae7d..9c11cb72 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECProduct/ChannelsECProductGetResponse.cs
@@ -249,6 +249,13 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                         [Newtonsoft.Json.JsonProperty("damage_guarantee")]
                         [System.Text.Json.Serialization.JsonPropertyName("damage_guarantee")]
                         public int? DamageGuarantee { get; set; }
+
+                        /// <summary>
+                        /// 获取或设置是否支持换货。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("exchange_support")]
+                        [System.Text.Json.Serialization.JsonPropertyName("exchange_support")]
+                        public int? ExchangeSupport { get; set; }
                     }
 
                     public class Aftersale