diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteShopExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteShopExtensions.cs
index 4c9a6412..a6125f5f 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteShopExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteShopExtensions.cs
@@ -351,6 +351,31 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
 
             return await client.SendFlurlRequestAsJsonAsync<Models.ShopCategoryGetResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
         }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /shop/ec/category/getcategoryrule 接口。</para>
+        /// <para>
+        /// REF: <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/doc/store/shop/API/category-rule/api_get_category_rule.html ]]> <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/doc/store/shop/API/category-rule/api_get_delivery_method_category_rule.html ]]>
+        /// </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.ShopECCategoryGetCategoryRuleResponse> ExecuteShopECCategoryGetCategoryRuleAsync<TResponse>(this WechatApiClient client, Models.ShopECCategoryGetCategoryRuleRequest 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
+                .CreateFlurlRequest(request, HttpMethod.Post, "shop", "ec", "category", "getcategoryrule")
+                .SetQueryParam("access_token", request.AccessToken)
+                .SetQueryParam("rule_id", request.RuleId);
+
+            return await client.SendFlurlRequestAsJsonAsync<Models.ShopECCategoryGetCategoryRuleResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
+        }
         #endregion
 
         #region Complaint
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECCompass/ChannelsECCompassFinderProductListGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECCompass/ChannelsECCompassFinderProductListGetResponse.cs
index 202f97b0..99c2f337 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECCompass/ChannelsECCompassFinderProductListGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECCompass/ChannelsECCompassFinderProductListGetResponse.cs
@@ -1,3 +1,5 @@
+using System;
+
 namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
@@ -144,6 +146,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Models
                         /// <summary>
                         /// 获取或设置发货前成交退款率（单位：百分数）。
                         /// </summary>
+                        [Obsolete("相关接口或字段于 2025-11-28 下线。")]
                         [Newtonsoft.Json.JsonProperty("pay_refund_before_send_ratio")]
                         [System.Text.Json.Serialization.JsonPropertyName("pay_refund_before_send_ratio")]
                         [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Category/ShopECCategoryGetCategoryRuleRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Category/ShopECCategoryGetCategoryRuleRequest.cs
new file mode 100644
index 00000000..b910c824
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Category/ShopECCategoryGetCategoryRuleRequest.cs
@@ -0,0 +1,22 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /shop/ec/category/getcategoryrule 接口的请求。</para>
+    /// </summary>
+    public class ShopECCategoryGetCategoryRuleRequest : WechatApiRequest, IInferable<ShopECCategoryGetCategoryRuleRequest, ShopECCategoryGetCategoryRuleResponse>
+    {
+        /// <summary>
+        /// 获取或设置规则 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonIgnore]
+        [System.Text.Json.Serialization.JsonIgnore]
+        public int RuleId { get; set; }
+
+        /// <summary>
+        /// 获取或设置类目 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("category_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("category_id")]
+        public long CategoryId { get; set; }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Category/ShopECCategoryGetCategoryRuleResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Category/ShopECCategoryGetCategoryRuleResponse.cs
new file mode 100644
index 00000000..76b5edc6
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/Shop/Category/ShopECCategoryGetCategoryRuleResponse.cs
@@ -0,0 +1,42 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /shop/ec/category/getcategoryrule 接口的响应。</para>
+    /// </summary>
+    public class ShopECCategoryGetCategoryRuleResponse : WechatApiResponse
+    {
+        public static class Types
+        {
+            public class Deliver
+            {
+                /// <summary>
+                /// 获取或设置发货方式。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("deliver_type")]
+                [System.Text.Json.Serialization.JsonPropertyName("deliver_type")]
+                public int DeliverType { get; set; }
+
+                /// <summary>
+                /// 获取或设置支持的账号类型列表。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("acct_type")]
+                [System.Text.Json.Serialization.JsonPropertyName("acct_type")]
+                public int[] AccountTypeList { get; set; } = default!;
+            }
+        }
+
+        /// <summary>
+        /// 获取或设置保证金（单位：分）。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("deposit")]
+        [System.Text.Json.Serialization.JsonPropertyName("deposit")]
+        public int? Deposit { get; set; }
+
+        /// <summary>
+        /// 获取或设置发货方式列表。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("list")]
+        [System.Text.Json.Serialization.JsonPropertyName("list")]
+        public Types.Deliver[]? DeliverList { get; set; }
+    }
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Category/ShopECCategoryGetCategoryRuleRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Category/ShopECCategoryGetCategoryRuleRequest.json
new file mode 100644
index 00000000..da63885d
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Category/ShopECCategoryGetCategoryRuleRequest.json
@@ -0,0 +1,3 @@
+{
+    "category_id": 10001
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Category/ShopECCategoryGetCategoryRuleResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Category/ShopECCategoryGetCategoryRuleResponse.json
new file mode 100644
index 00000000..0f5c6530
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Shop/Category/ShopECCategoryGetCategoryRuleResponse.json
@@ -0,0 +1,13 @@
+{
+    "list": [
+        {
+            "deliver_type": 0,
+            "acct_type": [
+                0
+            ]
+        }
+    ],
+    "deposit": 1000000,
+    "errcode": 0,
+    "errmsg": ""
+}