diff --git a/WCS.BLL/DbModels/Task/CurrentTask.cs b/WCS.BLL/DbModels/Task/CurrentTask.cs
index 6bc009b..0c07f31 100644
--- a/WCS.BLL/DbModels/Task/CurrentTask.cs
+++ b/WCS.BLL/DbModels/Task/CurrentTask.cs
@@ -93,6 +93,12 @@ namespace WCS.BLL.DbModels
         [SugarColumn(ColumnName = "mat_batch", Length = 150, IsNullable = true, ColumnDescription = "物料批次")]
         public string MatBatch { get; set; }
 
+        /// <summary>
+        /// 物料SN 物料唯一码
+        /// </summary>           
+        [SugarColumn(ColumnName = "mat_sn", Length = 150, IsNullable = true, ColumnDescription = "物料SN物料唯一码")]
+        public string MatSN { get; set; }
+
         /// <summary>
         /// 物料数量 
         /// </summary>
diff --git a/WCS.BLL/DbModels/Task/FinishedTask.cs b/WCS.BLL/DbModels/Task/FinishedTask.cs
index c3a7e59..e19c8ee 100644
--- a/WCS.BLL/DbModels/Task/FinishedTask.cs
+++ b/WCS.BLL/DbModels/Task/FinishedTask.cs
@@ -92,6 +92,12 @@ namespace WCS.BLL.DbModels
         [SugarColumn(ColumnName = "mat_batch", Length = 150, IsNullable = true, ColumnDescription = "物料批次")]
         public string MatBatch { get; set; }
 
+        /// <summary>
+        /// 物料SN 物料唯一码
+        /// </summary>           
+        [SugarColumn(ColumnName = "mat_sn", Length = 150, IsNullable = true, ColumnDescription = "物料SN物料唯一码")]
+        public string MatSN { get; set; }
+
         /// <summary>
         /// 物料数量 
         /// </summary>
diff --git a/WCS.BLL/DbModels/Task/UploadedTask.cs b/WCS.BLL/DbModels/Task/UploadedTask.cs
index f6b7ebd..db68862 100644
--- a/WCS.BLL/DbModels/Task/UploadedTask.cs
+++ b/WCS.BLL/DbModels/Task/UploadedTask.cs
@@ -92,6 +92,12 @@ namespace WCS.BLL.DbModels
         [SugarColumn(ColumnName = "mat_batch", Length = 150, IsNullable = true, ColumnDescription = "物料批次")]
         public string MatBatch { get; set; }
 
+        /// <summary>
+        /// 物料SN 物料唯一码
+        /// </summary>           
+        [SugarColumn(ColumnName = "mat_sn", Length = 150, IsNullable = true, ColumnDescription = "物料SN物料唯一码")]
+        public string MatSN { get; set; }
+
         /// <summary>
         /// 物料数量 
         /// </summary>
diff --git a/WCS.BLL/Services/IService/IMXL4Service.cs b/WCS.BLL/Services/IService/IMXL4Service.cs
index 08e9a61..480f64e 100644
--- a/WCS.BLL/Services/IService/IMXL4Service.cs
+++ b/WCS.BLL/Services/IService/IMXL4Service.cs
@@ -16,5 +16,7 @@ namespace WCS.BLL.Services.IService
     public interface IMXL4Service
     {
         public Task<ResponseCommon<object>> sysOrderMXL4(SysOrderMXL4Request request);
+
+        public Task<ResponseCommon> refreshInventoryRequest(RefreshInventoryRequest request);
     }
 }
diff --git a/WCS.BLL/Services/Service/MXL4Service.cs b/WCS.BLL/Services/Service/MXL4Service.cs
index 2834501..4d4bb0d 100644
--- a/WCS.BLL/Services/Service/MXL4Service.cs
+++ b/WCS.BLL/Services/Service/MXL4Service.cs
@@ -122,5 +122,45 @@ namespace WCS.BLL.Services.Service
                 };
             }
         }
+
+        public async Task<ResponseCommon> refreshInventoryRequest(RefreshInventoryRequest request)
+        {
+            try
+            {
+                //第一步：校验库位在数据库中是否都存在
+                var storeCodeList = request.StoreCodes.Distinct()
+                                                .ToList();
+                var stores = DbHelp.db.Queryable<StoreInfo>()
+                                      .LeftJoin<ShelfTypeInfo>((si, sti) => si.ShelfTypeId == sti.Id)
+                                      .Where((si, sti) => sti.ShelfTypeName == "液晶货架")
+                                      .Where((si, sti) => storeCodeList.Contains(si.StoreCode))
+                                      .Select((st, sti) => st)
+                                      .ToList();
+                if (stores.Count < storeCodeList.Count)
+                {
+                    var storeCodesInDB = stores.Select(t => t.StoreCode).ToList();
+                    storeCodeList.RemoveAll(t => storeCodesInDB.Contains(t));
+                    return new ResponseCommon
+                    {
+                        Code = 200,
+                        Message = $"操作失败：库位【{string.Join(",", storeCodeList)}】不存在！",
+                    };
+                }
+                //向WMS系统获取对应库位最新的库存信息、更新至电子标签
+                return new ResponseCommon
+                {
+                    Code = 200,
+                    Message = "success"
+                };
+            }
+            catch (Exception ex)
+            {
+                return new ResponseCommon
+                {
+                    Code = 200,
+                    Message = "操作失败：" + ex.Message,
+                };
+            }
+        }
     }
 }
diff --git a/WCS.Model/ApiModel/MXL4/RefreshInventoryRequest.cs b/WCS.Model/ApiModel/MXL4/RefreshInventoryRequest.cs
new file mode 100644
index 0000000..fb35274
--- /dev/null
+++ b/WCS.Model/ApiModel/MXL4/RefreshInventoryRequest.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using WCS.BLL.DbModels.Task;
+
+namespace WCS.Model.ApiModel.MXL4
+{
+    /// <summary>
+    /// 刷新库位库存显示信息请求实体
+    /// </summary>
+    public class RefreshInventoryRequest : RequestBase
+    {
+        public List<string> StoreCodes { get; set; }
+    }
+}
diff --git a/WCS.WebApi/Controllers/MXL4Controller.cs b/WCS.WebApi/Controllers/MXL4Controller.cs
index baa4203..722c56c 100644
--- a/WCS.WebApi/Controllers/MXL4Controller.cs
+++ b/WCS.WebApi/Controllers/MXL4Controller.cs
@@ -45,5 +45,36 @@ namespace WCS.WebApi.Controllers
             }
         }
 
+        /// <summary>
+        /// 刷新库存信息 当上游系统入库后可以调用此接口对硬件显示的库存信息进行刷新
+        /// </summary>
+        /// <param name="request"></param>
+        /// <returns></returns>
+        [Route("refreshInventory")]
+        [HttpPost(Name = "refreshInventory")]
+        public async Task<ResponseCommon> refreshInventory(RefreshInventoryRequest request)
+        {
+            try
+            {
+                //校验传入的参数
+                if (request.StoreCodes == null || request.StoreCodes.Count == 0)
+                { 
+                    return new ResponseCommon()
+                    {
+                        Code = 201,
+                        Message = "操作失败：缺少需要刷新的库位！",
+                    };
+                }
+                return await _mxl4Service.refreshInventoryRequest(request);
+            }
+            catch (Exception ex)
+            {
+                return new ResponseCommon()
+                {
+                    Code = 300,
+                    Message = "操作失败：" + ex.Message,
+                };
+            }
+        }
     }
 }