diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantService/ComplaintsV2/GetMerchantServiceComplaintByComplaintIdResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantService/ComplaintsV2/GetMerchantServiceComplaintByComplaintIdResponse.cs
index 077aa7cf..2010955a 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantService/ComplaintsV2/GetMerchantServiceComplaintByComplaintIdResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantService/ComplaintsV2/GetMerchantServiceComplaintByComplaintIdResponse.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
 {
@@ -50,6 +50,30 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
                 [System.Text.Json.Serialization.JsonPropertyName("media_url")]
                 public string[] MediaUrl { get; set; } = default!;
             }
+
+            public class ServiceOrder
+            {
+                /// <summary>
+                /// 获取或设置微信支付服务订单号。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("order_id")]
+                [System.Text.Json.Serialization.JsonPropertyName("order_id")]
+                public string? OrderId { get; set; }
+
+                /// <summary>
+                /// 获取或设置商户服务订单号。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("out_order_no")]
+                [System.Text.Json.Serialization.JsonPropertyName("out_order_no")]
+                public string? OutOrderNumber { get; set; }
+
+                /// <summary>
+                /// 获取或设置支付分服务单状态。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("state")]
+                [System.Text.Json.Serialization.JsonPropertyName("state")]
+                public string? State { get; set; }
+            }
         }
 
         /// <summary>
@@ -59,13 +83,6 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
         [System.Text.Json.Serialization.JsonPropertyName("complaint_id")]
         public string ComplaintId { get; set; } = default!;
 
-        /// <summary>
-        /// 获取或设置被诉商户号。
-        /// </summary>
-        [Newtonsoft.Json.JsonProperty("complainted_mchid")]
-        [System.Text.Json.Serialization.JsonPropertyName("complainted_mchid")]
-        public string ComplaintedMerchantId { get; set; } = default!;
-
         /// <summary>
         /// 获取或设置投诉详情。
         /// </summary>
@@ -89,6 +106,13 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
         [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.RFC3339DateTimeOffsetConverter))]
         public DateTimeOffset ComplaintTime { get; set; }
 
+        /// <summary>
+        /// 获取或设置被诉商户号。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("complainted_mchid")]
+        [System.Text.Json.Serialization.JsonPropertyName("complainted_mchid")]
+        public string? ComplaintedMerchantId { get; set; }
+
         /// <summary>
         /// 获取或设置投诉人联系方式（需使用商户私钥解密）。
         /// </summary>
@@ -166,5 +190,12 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
         [Newtonsoft.Json.JsonProperty("user_tag_list")]
         [System.Text.Json.Serialization.JsonPropertyName("user_tag_list")]
         public string[]? UserTagList { get; set; }
+
+        /// <summary>
+        /// 获取或设置关联服务单列表。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("service_order_info")]
+        [System.Text.Json.Serialization.JsonPropertyName("service_order_info")]
+        public Types.ServiceOrder[]? ServiceOrderList { get; set; }
     }
 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantService/ComplaintsV2/QueryMerchantServiceComplaintsResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantService/ComplaintsV2/QueryMerchantServiceComplaintsResponse.cs
index ae2da1fd..31262d79 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantService/ComplaintsV2/QueryMerchantServiceComplaintsResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MerchantService/ComplaintsV2/QueryMerchantServiceComplaintsResponse.cs
@@ -53,6 +53,13 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
                 [System.Text.Json.Serialization.JsonPropertyName("complaint_state")]
                 public string ComplaintState { get; set; } = default!;
 
+                /// <summary>
+                /// 获取或设置被诉商户号。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("complainted_mchid")]
+                [System.Text.Json.Serialization.JsonPropertyName("complainted_mchid")]
+                public string? ComplaintedMerchantId { get; set; }
+
                 /// <summary>
                 /// 获取或设置投诉人联系方式（需使用商户私钥解密）。
                 /// </summary>
@@ -68,13 +75,6 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
                 [System.Text.Json.Serialization.JsonPropertyName("payer_openid")]
                 public string? PayerOpenId { get; set; }
 
-                /// <summary>
-                /// 获取或设置投诉单关联订单列表。
-                /// </summary>
-                [Newtonsoft.Json.JsonProperty("complaint_order_info")]
-                [System.Text.Json.Serialization.JsonPropertyName("complaint_order_info")]
-                public Types.ComplaintOrder[] ComplaintOrderList { get; set; } = default!;
-
                 /// <summary>
                 /// 获取或设置投诉资料列表。
                 /// </summary>
@@ -82,6 +82,13 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
                 [System.Text.Json.Serialization.JsonPropertyName("complaint_media_list")]
                 public Types.ComplaintMedia[] ComplaintMediaList { get; set; } = default!;
 
+                /// <summary>
+                /// 获取或设置投诉单关联订单列表。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("complaint_order_info")]
+                [System.Text.Json.Serialization.JsonPropertyName("complaint_order_info")]
+                public Types.ComplaintOrder[] ComplaintOrderList { get; set; } = default!;
+
                 /// <summary>
                 /// 获取或设置问题类型。
                 /// </summary>
@@ -131,6 +138,10 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
                 [System.Text.Json.Serialization.JsonPropertyName("user_tag_list")]
                 public string[]? UserTagList { get; set; }
             }
+
+            public class ServiceOrder : GetMerchantServiceComplaintByComplaintIdResponse.Types.ServiceOrder
+            {
+            }
         }
 
         /// <summary>
@@ -140,6 +151,13 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
         [System.Text.Json.Serialization.JsonPropertyName("data")]
         public Types.Complaint[] ComplaintList { get; set; } = default!;
 
+        /// <summary>
+        /// 获取或设置关联服务单列表。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("service_order_info")]
+        [System.Text.Json.Serialization.JsonPropertyName("service_order_info")]
+        public Types.ServiceOrder[]? ServiceOrderList { get; set; }
+
         /// <summary>
         /// 获取或设置分页大小。
         /// </summary>
diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MerchantService/ComplaintsV2/GetMerchantServiceComplaintByComplaintIdResponse.json b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MerchantService/ComplaintsV2/GetMerchantServiceComplaintByComplaintIdResponse.json
index 8bf16fa9..6a61b15c 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MerchantService/ComplaintsV2/GetMerchantServiceComplaintByComplaintIdResponse.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MerchantService/ComplaintsV2/GetMerchantServiceComplaintByComplaintIdResponse.json
@@ -2,8 +2,8 @@
     "complaint_id": "200201820200101080076610000",
     "complaint_time": "2015-05-20T13:29:35.120+08:00",
     "complaint_detail": "反馈一个重复扣费的问题",
-    "complainted_mchid": "1900012181",
     "complaint_state": "PENDING",
+    "complainted_mchid": "1900012181",
     "payer_phone": "sGdNeTHMQGlxCWiUyHu6XNO9GCYln2Luv4HhwJzZBfcL12sB",
     "payer_openid": "oUpF8uMuAJO_M2pxb1Q9zNjWeS6o",
     "complaint_media_list": [
@@ -24,5 +24,12 @@
     "complaint_full_refunded": true,
     "incoming_user_response": true,
     "problem_description": "不满意商家服务",
-    "user_complaint_times": 1
+    "user_complaint_times": 1,
+    "service_order_info": [
+        {
+            "order_id": "15646546545165651651",
+            "out_order_no": "1234323JKHDFE1243252",
+            "state": "CREATED"
+        }
+    ]
 }
diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MerchantService/ComplaintsV2/QueryMerchantServiceComplaintsResponse.json b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MerchantService/ComplaintsV2/QueryMerchantServiceComplaintsResponse.json
index b32ec245..c422e848 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MerchantService/ComplaintsV2/QueryMerchantServiceComplaintsResponse.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MerchantService/ComplaintsV2/QueryMerchantServiceComplaintsResponse.json
@@ -5,6 +5,7 @@
             "complaint_time": "2015-05-20T13:29:35.120+08:00",
             "complaint_detail": "反馈一个重复扣费的问题",
             "complaint_state": "PENDING",
+            "complainted_mchid": "1900012181",
             "payer_phone": "Qe41VhP/sGdNeTHMQGlxCWiUyHu6XNO9GCYln2Luv4HhwJzZBfcL12sB+PgZcS5NhePBog30NgJ1xRaK+gbGDKwpg==",
             "complaint_media_list": [
                 {
@@ -34,5 +35,12 @@
     ],
     "limit": 5,
     "offset": 10,
-    "total_count": 1000
+    "total_count": 1000,
+    "service_order_info": [
+        {
+            "order_id": "15646546545165651651",
+            "out_order_no": "1234323JKHDFE1243252",
+            "state": "CREATED"
+        }
+    ]
 }