diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteCgibinExpressExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteCgibinExpressExtensions.cs
index 5cf514fd..2fa84f7d 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteCgibinExpressExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteCgibinExpressExtensions.cs
@@ -352,6 +352,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
             return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryPathUpdateResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
         }
 
+        #region Delivery/OpenMessage
         /// <summary>
         /// <para>异步调用 [POST] /cgi-bin/express/delivery/open_msg/follow_waybill 接口。</para>
         /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/industry/express/express_open_msg.html#_4-1%E3%80%81%E4%BC%A0%E8%BF%90%E5%8D%95%E6%8E%A5%E5%8F%A3-follow-waybill </para>
@@ -432,6 +433,28 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
             return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryOpenMessageOpenOpenMessageResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
         }
 
+        /// <summary>
+        /// <para>异步调用 [POST] /cgi-bin/express/delivery/open_msg/open_query_plugin 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/doc/oplatform/openApi/OpenApiDoc/miniprogram-management/logistics-service/applyQueryPlugin.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse> ExecuteCgibinExpressDeliveryOpenMessageOpenQueryPluginAsync(this WechatApiClient client, Models.CgibinExpressDeliveryOpenMessageOpenQueryPluginRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Post, "cgi-bin", "express", "delivery", "open_msg", "open_query_plugin")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+        #endregion
+
+        #region Delivery/Return
         /// <summary>
         /// <para>异步调用 [POST] /cgi-bin/express/delivery/return/open_return 接口。</para>
         /// <para>REF: https://developers.weixin.qq.com/doc/oplatform/openApi/OpenApiDoc/miniprogram-management/logistics-service/applyReturnPlugin.html </para>
@@ -453,25 +476,66 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         }
 
         /// <summary>
-        /// <para>异步调用 [POST] /cgi-bin/express/delivery/open_msg/open_query_plugin 接口。</para>
-        /// <para>REF: https://developers.weixin.qq.com/doc/oplatform/openApi/OpenApiDoc/miniprogram-management/logistics-service/applyQueryPlugin.html </para>
+        /// <para>异步调用 [POST] /cgi-bin/express/delivery/return/add 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/industry/express/business/express_sale_return.html </para>
         /// </summary>
         /// <param name="client"></param>
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
-        public static async Task<Models.CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse> ExecuteCgibinExpressDeliveryOpenMessageOpenQueryPluginAsync(this WechatApiClient client, Models.CgibinExpressDeliveryOpenMessageOpenQueryPluginRequest request, CancellationToken cancellationToken = default)
+        public static async Task<Models.CgibinExpressDeliveryReturnAddResponse> ExecuteCgibinExpressDeliveryReturnAddAsync(this WechatApiClient client, Models.CgibinExpressDeliveryReturnAddRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
             if (request is null) throw new ArgumentNullException(nameof(request));
 
             IFlurlRequest flurlReq = client
-                .CreateRequest(request, HttpMethod.Post, "cgi-bin", "express", "delivery", "open_msg", "open_query_plugin")
+                .CreateRequest(request, HttpMethod.Post, "cgi-bin", "express", "delivery", "return", "add")
                 .SetQueryParam("access_token", request.AccessToken);
 
-            return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryOpenMessageOpenQueryPluginResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+            return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryReturnAddResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
         }
 
+        /// <summary>
+        /// <para>异步调用 [POST] /cgi-bin/express/delivery/return/get 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/industry/express/business/express_sale_return.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.CgibinExpressDeliveryReturnGetResponse> ExecuteCgibinExpressDeliveryReturnGetAsync(this WechatApiClient client, Models.CgibinExpressDeliveryReturnGetRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Post, "cgi-bin", "express", "delivery", "return", "get")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryReturnGetResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /cgi-bin/express/delivery/return/unbind 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/industry/express/business/express_sale_return.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.CgibinExpressDeliveryReturnUnbindResponse> ExecuteCgibinExpressDeliveryReturnUnbindAsync(this WechatApiClient client, Models.CgibinExpressDeliveryReturnUnbindRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Post, "cgi-bin", "express", "delivery", "return", "unbind")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.CgibinExpressDeliveryReturnUnbindResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+        #endregion
+
         #region Delivery/SingleWaybill
         /// <summary>
         /// <para>异步调用 [POST] /cgi-bin/express/delivery/single_waybill/update 接口。</para>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddRequest.cs
new file mode 100644
index 00000000..93bd4964
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddRequest.cs
@@ -0,0 +1,135 @@
+using System.Collections.Generic;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/return/add 接口的请求。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryReturnAddRequest : WechatApiRequest, IInferable<CgibinExpressDeliveryReturnAddRequest, CgibinExpressDeliveryReturnAddResponse>
+    {
+        public static class Types
+        {
+            public class ShopAddress
+            {
+                /// <summary>
+                /// 获取或设置国家。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("country")]
+                [System.Text.Json.Serialization.JsonPropertyName("country")]
+                public string Country { get; set; } = string.Empty;
+
+                /// <summary>
+                /// 获取或设置省份。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("province")]
+                [System.Text.Json.Serialization.JsonPropertyName("province")]
+                public string Province { get; set; } = string.Empty;
+
+                /// <summary>
+                /// 获取或设置城市。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("city")]
+                [System.Text.Json.Serialization.JsonPropertyName("city")]
+                public string City { get; set; } = string.Empty;
+
+                /// <summary>
+                /// 获取或设置区县。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("area")]
+                [System.Text.Json.Serialization.JsonPropertyName("area")]
+                public string District { get; set; } = string.Empty;
+
+                /// <summary>
+                /// 获取或设置详细地址。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("address")]
+                [System.Text.Json.Serialization.JsonPropertyName("address")]
+                public string Address { get; set; } = string.Empty;
+
+                /// <summary>
+                /// 获取或设置联系人。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("name")]
+                [System.Text.Json.Serialization.JsonPropertyName("name")]
+                public string Name { get; set; } = string.Empty;
+
+                /// <summary>
+                /// 获取或设置联系电话。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("mobile")]
+                [System.Text.Json.Serialization.JsonPropertyName("mobile")]
+                public string MobileNumber { get; set; } = string.Empty;
+            }
+
+            public class UserAddress : ShopAddress
+            {
+            }
+
+            public class Goods
+            {
+                /// <summary>
+                /// 获取或设置商品名称。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("name")]
+                [System.Text.Json.Serialization.JsonPropertyName("name")]
+                public string Name { get; set; } = string.Empty;
+
+                /// <summary>
+                /// 获取或设置商品图片 URL。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("url")]
+                [System.Text.Json.Serialization.JsonPropertyName("url")]
+                public string ImageUrl { get; set; } = string.Empty;
+            }
+        }
+
+        /// <summary>
+        /// 获取或设置商家退货单号。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("shop_order_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("shop_order_id")]
+        public string ShopOrderId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置商家退货地址信息。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("biz_addr")]
+        [System.Text.Json.Serialization.JsonPropertyName("biz_addr")]
+        public Types.ShopAddress ShopAddress { get; set; } = new Types.ShopAddress();
+
+        /// <summary>
+        /// 获取或设置用户收货地址信息。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("user_addr")]
+        [System.Text.Json.Serialization.JsonPropertyName("user_addr")]
+        public Types.UserAddress? UserAddress { get; set; }
+
+        /// <summary>
+        /// 获取或设置退货用户的 OpenId。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("openid")]
+        [System.Text.Json.Serialization.JsonPropertyName("openid")]
+        public string OpenId { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置订单中心页面路径。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("order_path")]
+        [System.Text.Json.Serialization.JsonPropertyName("order_path")]
+        public string OrderPagePath { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置退货商品列表。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("goods_list")]
+        [System.Text.Json.Serialization.JsonPropertyName("goods_list")]
+        public IList<Types.Goods> GoodsList { get; set; } = new List<Types.Goods>();
+
+        /// <summary>
+        /// 获取或设置退货订单价格（单位：分）。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("order_price")]
+        [System.Text.Json.Serialization.JsonPropertyName("order_price")]
+        public int OrderPrice { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddResponse.cs
new file mode 100644
index 00000000..5ea03658
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddResponse.cs
@@ -0,0 +1,16 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/return/add 接口的响应。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryReturnAddResponse : WechatApiResponse
+    {
+        /// <summary>
+        /// 获取或设置退货单 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("return_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("return_id")]
+        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringReadOnlyConverter))]
+        public string ReturnId { get; set; } = default!;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetRequest.cs
new file mode 100644
index 00000000..3392968a
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetRequest.cs
@@ -0,0 +1,15 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/return/get 接口的请求。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryReturnGetRequest : WechatApiRequest, IInferable<CgibinExpressDeliveryReturnGetRequest, CgibinExpressDeliveryReturnGetResponse>
+    {
+        /// <summary>
+        /// 获取或设置退货单 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("return_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("return_id")]
+        public string ReturnId { get; set; } = string.Empty;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetResponse.cs
new file mode 100644
index 00000000..fda98265
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetResponse.cs
@@ -0,0 +1,43 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/return/get 接口的响应。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryReturnGetResponse : WechatApiResponse
+    {
+        /// <summary>
+        /// 获取或设置退货状态。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("status")]
+        [System.Text.Json.Serialization.JsonPropertyName("status")]
+        public int Status { get; set; }
+
+        /// <summary>
+        /// 获取或设置运单号。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("waybill_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("waybill_id")]
+        public string WaybillId { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置运单状态。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("order_status")]
+        [System.Text.Json.Serialization.JsonPropertyName("order_status")]
+        public int OrderStatus { get; set; }
+
+        /// <summary>
+        /// 获取或设置快递公司 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("delivery_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("delivery_id")]
+        public string DeliveryId { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置快递公司名称。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("delivery_name")]
+        [System.Text.Json.Serialization.JsonPropertyName("delivery_name")]
+        public string DeliveryName { get; set; } = default!;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnUnbindRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnUnbindRequest.cs
new file mode 100644
index 00000000..d824e5e3
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnUnbindRequest.cs
@@ -0,0 +1,15 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/return/unbind 接口的请求。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryReturnUnbindRequest : WechatApiRequest, IInferable<CgibinExpressDeliveryReturnUnbindRequest, CgibinExpressDeliveryReturnUnbindResponse>
+    {
+        /// <summary>
+        /// 获取或设置退货单 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("return_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("return_id")]
+        public string ReturnId { get; set; } = string.Empty;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnUnbindResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnUnbindResponse.cs
new file mode 100644
index 00000000..037c6edd
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnUnbindResponse.cs
@@ -0,0 +1,9 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /cgi-bin/express/delivery/return/unbind 接口的响应。</para>
+    /// </summary>
+    public class CgibinExpressDeliveryReturnUnbindResponse : WechatApiResponse
+    {
+    }
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddRequest.json
new file mode 100644
index 00000000..7d216ec4
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddRequest.json
@@ -0,0 +1,30 @@
+{
+    "shop_order_id": "xxx",
+    "biz_addr": {
+        "name": "张三",
+        "mobile": "13600000000",
+        "country": "中国",
+        "province": "广东省",
+        "city": "广州市",
+        "area": "海珠区",
+        "address": "xx路xx号"
+    },
+    "user_addr": {
+        "name": "李四",
+        "mobile": "13600000000",
+        "country": "中国",
+        "province": "广东省",
+        "city": "广州市",
+        "area": "海珠区",
+        "address": "xx路xx号"
+    },
+    "openid": "xxx",
+    "order_path": "xxx",
+    "goods_list": [
+        {
+            "name": "xxx",
+            "url": "xxx"
+        }
+    ],
+    "order_price": 1
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddResponse.json
new file mode 100644
index 00000000..b3a799c1
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnAddResponse.json
@@ -0,0 +1,5 @@
+{
+    "errcode": 0,
+    "errmsg": "OK",
+    "return_id": "1935761508265738242"
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetRequest.json
new file mode 100644
index 00000000..31a6f74d
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetRequest.json
@@ -0,0 +1,3 @@
+{
+    "return_id": "1935761508265738242"
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetResponse.json
new file mode 100644
index 00000000..de9acf55
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnGetResponse.json
@@ -0,0 +1,9 @@
+{
+    "errcode": 0,
+    "errmsg": "OK",
+    "status": "2",
+    "waybill_id": "JDxxxxxx",
+    "order_status": 0,
+    "delivery_name": "申通快递",
+    "delivery_id": "SF"
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnUnbindRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnUnbindRequest.json
new file mode 100644
index 00000000..31a6f74d
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/CgibinExpress/Delivery/Return/CgibinExpressDeliveryReturnUnbindRequest.json
@@ -0,0 +1,3 @@
+{
+    "return_id": "1935761508265738242"
+}