diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/ECAftersale/ShopECAftersaleGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/ECAftersale/ShopECAftersaleGetResponse.cs
index e1145a5a..3a6656cd 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/ECAftersale/ShopECAftersaleGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/ECAftersale/ShopECAftersaleGetResponse.cs
@@ -13,19 +13,33 @@
                 {
                     public class Product
                     {
+                        /// <summary>
+                        /// 获取或设置商品 ID。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("product_id")]
+                        [System.Text.Json.Serialization.JsonPropertyName("product_id")]
+                        public long ProductId { get; set; }
+
                         /// <summary>
                         /// 获取或设置商家自定义商品 ID。
                         /// </summary>
                         [Newtonsoft.Json.JsonProperty("out_product_id")]
                         [System.Text.Json.Serialization.JsonPropertyName("out_product_id")]
-                        public string? OutProductId { get; set; }
+                        public string OutProductId { get; set; } = default!;
+
+                        /// <summary>
+                        /// 获取或设置 SKU ID。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("sku_id")]
+                        [System.Text.Json.Serialization.JsonPropertyName("sku_id")]
+                        public long SKUId { get; set; }
 
                         /// <summary>
                         /// 获取或设置商家自定义 SKU ID。
                         /// </summary>
                         [Newtonsoft.Json.JsonProperty("out_sku_id")]
                         [System.Text.Json.Serialization.JsonPropertyName("out_sku_id")]
-                        public string? OutSKUId { get; set; }
+                        public string OutSKUId { get; set; } = default!;
 
                         /// <summary>
                         /// 获取或设置参与售后的商品数量。
@@ -66,6 +80,40 @@
                         [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
                         public long ReturnTimestamp { get; set; }
                     }
+
+                    public class Media
+                    {
+                        /// <summary>
+                        /// 获取或设置类型。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("type")]
+                        [System.Text.Json.Serialization.JsonPropertyName("type")]
+                        public int Type { get; set; }
+
+                        /// <summary>
+                        /// 获取或设置 URL。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("url")]
+                        [System.Text.Json.Serialization.JsonPropertyName("url")]
+                        public string Url { get; set; } = default!;
+
+                        /// <summary>
+                        /// 获取或设置缩略图 URL。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("thumb_url")]
+                        [System.Text.Json.Serialization.JsonPropertyName("thumb_url")]
+                        public string? ThumbnailUrl { get; set; }
+                    }
+
+                    public class Refund
+                    {
+                        /// <summary>
+                        /// 获取或设置退款单号。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("refund_id")]
+                        [System.Text.Json.Serialization.JsonPropertyName("refund_id")]
+                        public string RefundId { get; set; } = default!;
+                    }
                 }
 
                 /// <summary>
@@ -110,6 +158,13 @@
                 [System.Text.Json.Serialization.JsonPropertyName("status")]
                 public int Status { get; set; }
 
+                /// <summary>
+                /// 获取或设置用户 OpenId。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("openid")]
+                [System.Text.Json.Serialization.JsonPropertyName("openid")]
+                public string OpenId { get; set; } = default!;
+
                 /// <summary>
                 /// 获取或设置退款金额（单位：分）。
                 /// </summary>
@@ -131,6 +186,13 @@
                 [System.Text.Json.Serialization.JsonPropertyName("refund_reason")]
                 public string RefundReason { get; set; } = default!;
 
+                /// <summary>
+                /// 获取或设置退货单号。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("return_id")]
+                [System.Text.Json.Serialization.JsonPropertyName("return_id")]
+                public string? ReturnId { get; set; }
+
                 /// <summary>
                 /// 获取或设置创建时间。
                 /// </summary>
@@ -160,6 +222,20 @@
                 [Newtonsoft.Json.JsonProperty("return_info")]
                 [System.Text.Json.Serialization.JsonPropertyName("return_info")]
                 public Types.Return? Return { get; set; }
+
+                /// <summary>
+                /// 获取或设置退款信息。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("refund_pay_detail")]
+                [System.Text.Json.Serialization.JsonPropertyName("refund_pay_detail")]
+                public Types.Refund? Refund { get; set; }
+
+                /// <summary>
+                /// 获取或设置附件列表。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("media_list")]
+                [System.Text.Json.Serialization.JsonPropertyName("media_list")]
+                public Types.Media[]? MediaList { get; set; }
             }
         }
 
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/ECAftersale/ShopECAftersaleGetResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/ECAftersale/ShopECAftersaleGetResponse.json
index a27960f1..34d31777 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/ECAftersale/ShopECAftersaleGetResponse.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/ECAftersale/ShopECAftersaleGetResponse.json
@@ -1,28 +1,38 @@
-{
-    "errcode": 0,
-    "errmsg": "ok",
-    "after_sales_order": {
-        "out_aftersale_id": "aso_123124341",
-        "aftersale_id": 123,
-        "out_order_id": "order_312312",
-        "order_id": 456,
-        "product_info": {
-            "out_product_id": "123",
-            "out_sku_id": "12345",
-            "product_cnt": 1
-        },
-        "type": 1,
-        "return_info": {
-            "order_return_time": "1628480465",
-            "delivery_id": "sf",
-            "waybill_id": "sf12314789",
-            "delivery_name": "顺丰"
-        },
-        "orderamt": 100,
-        "refund_reason_type": 1,
-        "refund_reason": "买错码数",
-        "status": 1,
-        "create_time": "1628480465",
-        "update_time": "1628480465"
-    }
-}
\ No newline at end of file
+{
+	"errcode": 0,
+	"errmsg": "ok",
+	"after_sales_order": {
+		"out_aftersale_id": "",
+		"aftersale_id": 4000000001596225,
+		"out_order_id": "220425-16372977194524",
+		"order_id": 3302853640130003968,
+		"product_info": {
+			"out_product_id": "410",
+			"product_id": 0,
+			"out_sku_id": "730",
+			"sku_id": 0,
+			"product_cnt": 1
+		},
+		"type": 1,
+		"return_info": {
+			"order_return_time": 0,
+			"waybill_id": ""
+		},
+		"orderamt": 2,
+		"refund_reason_type": 3,
+		"refund_reason": "不想要了",
+		"media_list": [{
+			"type": 1,
+			"url": "****",
+			"thumb_url": "****"
+		}],
+		"status": 2,
+		"create_time": "1650876295006",
+		"update_time": "1650876295006",
+		"openid": "oOYv50JOfwNY56q8hTNSLSFvYUDg",
+		"refund_pay_detail": {
+			"refund_id": ""
+		},
+		"return_id": ""
+	}
+}