diff --git a/SlnMesnac.Business/ProdCompletionBusiness.cs b/SlnMesnac.Business/ProdCompletionBusiness.cs
index 7ec99a2..d1de98e 100644
--- a/SlnMesnac.Business/ProdCompletionBusiness.cs
+++ b/SlnMesnac.Business/ProdCompletionBusiness.cs
@@ -80,7 +80,7 @@ namespace SlnMesnac.Business
             _mesProductOrderService = serviceProvider.GetRequiredService<IMesProductOrderService>();
             _baseMaterialInfoService = serviceProvider.GetRequiredService<IBaseMaterialInfoService>();
             Init();
-         
+
         }
 
         private void test()
@@ -282,7 +282,6 @@ namespace SlnMesnac.Business
                         _logger.LogInformation("小包出口已经有RFID了，无需再读");
                         Thread.Sleep(5000);
                         continue;
-
                     }
 
                     string epcStr = await ReadEpcStrByRfidKeyAsync("secondFloorOut");
@@ -317,6 +316,18 @@ namespace SlnMesnac.Business
 
                         }
                     }
+
+                    // 校验该epc是否已经存在库存里，有的话重新读
+
+
+                    var hasLocation  = sqlSugarClient.AsTenant().GetConnection("mes").Queryable<BaseLocation>().Where(x => x.ContainerCode == epcStr).First();
+                    if (hasLocation != null)
+                    {
+                        _logger.LogError("小包出口到位信号触发,读取RFID失败,该epc已经存在库存里:" + epcStr);
+                        Thread.Sleep(5000);
+                        continue;
+                    }
+
                     RefreshMessage($"小包出口读取到RFID条码{epcStr},开始绑定流程:");
 
                     _mesProductPlanService.GetStartedProdPlan(out MesProductPlanDto productPlanDto);
diff --git a/SlnMesnac.Model/domain/BaseLocation.cs b/SlnMesnac.Model/domain/BaseLocation.cs
new file mode 100644
index 0000000..3f58f44
--- /dev/null
+++ b/SlnMesnac.Model/domain/BaseLocation.cs
@@ -0,0 +1,258 @@
+锘縰sing SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+#region << 鐗� 鏈� 娉� 閲� >>
+/*--------------------------------------------------------------------
+* 鐗堟潈鎵�鏈� (c) 2024 WenJY 淇濈暀鎵�鏈夋潈鍒┿��
+* CLR鐗堟湰锛�4.0.30319.42000
+* 鏈哄櫒鍚嶇О锛歀APTOP-E0N2L34V
+* 鍛藉悕绌洪棿锛歋lnMesnac.Model.domain
+* 鍞竴鏍囪瘑锛歛4dbd270-62c5-47db-a5f7-7e7cb895d15a
+*
+* 鍒涘缓鑰咃細WenJY
+* 鐢靛瓙閭锛歸enjy@mesnac.com
+* 鍒涘缓鏃堕棿锛�2024-04-07 16:55:22
+* 鐗堟湰锛歏1.0.0
+* 鎻忚堪锛�
+*
+*--------------------------------------------------------------------
+* 淇敼浜猴細
+* 鏃堕棿锛�
+* 淇敼璇存槑锛�
+*
+* 鐗堟湰锛歏1.0.0
+*--------------------------------------------------------------------*/
+#endregion << 鐗� 鏈� 娉� 閲� >>
+namespace SlnMesnac.Model.domain
+{
+    /// <summary>
+    /// 搴撲綅淇℃伅
+    /// </summary>
+    [SugarTable("wms_base_location"), TenantAttribute("mes")]
+    public class BaseLocation
+    {
+        /// <summary>
+        /// 搴撲綅ID
+        /// </summary>
+        [SugarColumn(ColumnName = "location_id", IsPrimaryKey = true, IsIdentity = true)]
+        public long LocationId { get; set; }
+
+        /// <summary>
+        /// 浠撳簱ID
+        /// </summary>
+        [SugarColumn(ColumnName = "warehouse_id")]
+        public long WarehouseId { get; set; }
+
+        /// <summary>
+        /// AGV浣嶇疆缂栫爜
+        /// </summary>
+        [SugarColumn(ColumnName = "agv_position_code")]
+        public string AgvPositionCode { get; set; }
+
+        /// <summary>
+        /// 浠撳簱妤煎眰
+        /// </summary>
+        [SugarColumn(ColumnName = "warehouse_floor")]
+        public int WarehouseFloor { get; set; }
+
+        /// <summary>
+        /// 搴撲綅缂栫爜
+        /// </summary>
+        [SugarColumn(ColumnName = "location_code")]
+        public string LocationCode { get; set; }
+
+        /// <summary>
+        /// 瀹瑰櫒缂栫爜
+        /// </summary>
+        [SugarColumn(ColumnName = "container_code")]
+        public string ContainerCode { get; set; }
+
+        /// <summary>
+        /// 琛屽彿
+        /// </summary>
+        [SugarColumn(ColumnName = "loc_row")]
+        public int? LocRow { get; set; }
+
+        /// <summary>
+        /// 鍒楀彿
+        /// </summary>
+        [SugarColumn(ColumnName = "loc_column")]
+        public int? LocColumn { get; set; }
+
+        /// <summary>
+        /// 灞傚彿
+        /// </summary>
+        [SugarColumn(ColumnName = "layer_num")]
+        public int? LayerNum { get; set; }
+
+        /// <summary>
+        /// 娣卞害
+        /// </summary>
+        [SugarColumn(ColumnName = "loc_deep")]
+        public int? LocDeep { get; set; }
+
+        /// <summary>
+        /// 婵�娲绘爣蹇�
+        /// </summary>
+        [SugarColumn(ColumnName = "active_flag")]
+        public string ActiveFlag { get; set; }
+
+        /// <summary>
+        /// 鎵嬪姩鏍囧織
+        /// </summary>
+        [SugarColumn(ColumnName = "manual_flag")]
+        public string ManualFlag { get; set; }
+
+        /// <summary>
+        /// 杩斿洖鏍囧織
+        /// </summary>
+        [SugarColumn(ColumnName = "return_flag")]
+        public string ReturnFlag { get; set; }
+
+        /// <summary>
+        /// 鏁伴噺闄愬埗
+        /// </summary>
+        [SugarColumn(ColumnName = "qty_limit")]
+        public decimal? QtyLimit { get; set; }
+
+        /// <summary>
+        /// 鍏ュ簱鏍囧織
+        /// </summary>
+        [SugarColumn(ColumnName = "instock_flag")]
+        public string InstockFlag { get; set; }
+
+        /// <summary>
+        /// 鍑哄簱鏍囧織
+        /// </summary>
+        [SugarColumn(ColumnName = "outstock_flag")]
+        public string OutstockFlag { get; set; }
+
+        /// <summary>
+        /// 搴撲綅鐘舵��
+        /// </summary>
+        [SugarColumn(ColumnName = "location_status")]
+        public string LocationStatus { get; set; }
+
+        /// <summary>
+        /// 鎵规娣峰悎
+        /// </summary>
+        [SugarColumn(ColumnName = "batch_mix")]
+        public string BatchMix { get; set; }
+
+        /// <summary>
+        /// 鍒涘缓鑰�
+        /// </summary>
+        [SugarColumn(ColumnName = "create_by")]
+        public string CreateBy { get; set; }
+
+        /// <summary>
+        /// 鍒涘缓鏃堕棿
+        /// </summary>
+        [SugarColumn(ColumnName = "create_time")]
+        public DateTime? CreateTime { get; set; }
+
+        /// <summary>
+        /// 鏇存柊鑰�
+        /// </summary>
+        [SugarColumn(ColumnName = "update_by")]
+        public string UpdateBy { get; set; }
+
+        /// <summary>
+        /// 鏇存柊鏃堕棿
+        /// </summary>
+        [SugarColumn(ColumnName = "update_time")]
+        public DateTime? UpdateTime { get; set; }
+
+        /// <summary>
+        /// 澶囨敞
+        /// </summary>
+        [SugarColumn(ColumnName = "remark")]
+        public string Remark { get; set; }
+
+        /// <summary>
+        /// 鍒犻櫎鏍囧織
+        /// </summary>
+        [SugarColumn(ColumnName = "del_flag")]
+        public string DelFlag { get; set; }
+
+        /// <summary>
+        /// 璐ф灦鎺掑簭
+        /// </summary>
+        [SugarColumn(ColumnName = "shelf_order")]
+        public string ShelfOrder { get; set; }
+
+        /// <summary>
+        /// 妫�鏌ユ帓搴�
+        /// </summary>
+        [SugarColumn(ColumnName = "check_order")]
+        public string CheckOrder { get; set; }
+
+        /// <summary>
+        /// 鎷ｈ揣鎺掑簭
+        /// </summary>
+        [SugarColumn(ColumnName = "pick_order")]
+        public string PickOrder { get; set; }
+
+        /// <summary>
+        /// 鎷ｈ揣鏍囧織
+        /// </summary>
+        [SugarColumn(ColumnName = "pick_flag")]
+        public string PickFlag { get; set; }
+
+        /// <summary>
+        /// 寮�绠辨爣蹇�
+        /// </summary>
+        [SugarColumn(ColumnName = "is_open_kn_flag")]
+        public string IsOpenKnFlag { get; set; }
+
+        /// <summary>
+        /// 搴撲綅鎶ュ簾绫诲瀷
+        /// </summary>
+        [SugarColumn(ColumnName = "location_scrap_type")]
+        public string LocationScrapType { get; set; }
+
+        /// <summary>
+        /// 浣撶Н闄愬埗
+        /// </summary>
+        [SugarColumn(ColumnName = "volume_limit")]
+        public decimal? VolumeLimit { get; set; }
+
+        /// <summary>
+        /// 閲嶉噺闄愬埗
+        /// </summary>
+        [SugarColumn(ColumnName = "weight_limit")]
+        public decimal? WeightLimit { get; set; }
+
+        /// <summary>
+        /// 闀垮害
+        /// </summary>
+        [SugarColumn(ColumnName = "length")]
+        public decimal? Length { get; set; }
+
+        /// <summary>
+        /// 瀹藉害
+        /// </summary>
+        [SugarColumn(ColumnName = "width")]
+        public decimal? Width { get; set; }
+
+        /// <summary>
+        /// 楂樺害
+        /// </summary>
+        [SugarColumn(ColumnName = "height")]
+        public decimal? Height { get; set; }
+
+        /// <summary>
+        /// 瀹瑰櫒鐘舵��
+        /// </summary>
+        [SugarColumn(ColumnName = "container_status")]
+        public string ContainerStatus { get; set; }
+
+        /// <summary>
+        /// 寮傚父鎻忚堪
+        /// </summary>
+        [SugarColumn(ColumnName = "exception_desc")]
+        public string ExceptionDesc { get; set; }
+    }
+}
\ No newline at end of file