diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MarketingBusifavor/UpdateMarketingBusifavorStockRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MarketingBusifavor/UpdateMarketingBusifavorStockRequest.cs
index 4bb36f40..49d3a6b6 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MarketingBusifavor/UpdateMarketingBusifavorStockRequest.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Models/MarketingBusifavor/UpdateMarketingBusifavorStockRequest.cs
@@ -71,13 +71,6 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Models
         [System.Text.Json.Serialization.JsonIgnore]
         public string StockId { get; set; } = string.Empty;
 
-        /// <summary>
-        /// 获取或设置批次名称。
-        /// </summary>
-        [Newtonsoft.Json.JsonProperty("stock_name")]
-        [System.Text.Json.Serialization.JsonPropertyName("stock_name")]
-        public string? StockName { get; set; }
-
         /// <summary>
         /// 获取或设置商户请求单号。
         /// </summary>
diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MarketingBusifavor/UpdateMarketingBusifavorStockRequest.json b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MarketingBusifavor/UpdateMarketingBusifavorStockRequest.json
index 24316119..7b3a072f 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MarketingBusifavor/UpdateMarketingBusifavorStockRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/MarketingBusifavor/UpdateMarketingBusifavorStockRequest.json
@@ -10,14 +10,11 @@
         "hall_id": "233455656",
         "code_display_mode": "BARCODE"
     },
-    "stock_name": "8月1日活动券",
     "comment": "活动使用",
     "goods_name": "xxx商品使用",
     "out_request_no": "6122352020010133287985742",
     "display_pattern_info": {
         "description": "xxx门店可用",
-        "merchant_logo_url": "https://xxx",
-        "merchant_name": "微信支付",
         "background_color": "xxxxx",
         "coupon_image_url": "图片cdn地址"
     },
@@ -27,7 +24,6 @@
         "mini_programs_path": "/path/index/index"
     },
     "stock_send_rule": {
-        "natural_person_limit": false,
         "prevent_api_abuse": false
     },
     "notify_config": {