diff --git a/src/WMS.Web.Api/Controllers/SysConfigController.cs b/src/WMS.Web.Api/Controllers/SysConfigController.cs
index 74db4063..e5cfab25 100644
--- a/src/WMS.Web.Api/Controllers/SysConfigController.cs
+++ b/src/WMS.Web.Api/Controllers/SysConfigController.cs
@@ -272,7 +272,8 @@ namespace WMS.Web.Api.Controllers
                 return Result<MaterialResponse>.ReFailure(ResultCodes.Token_Invalid_Error);
 
             var res = await _serialNumbersRepositories.GetSerialNumber(serialNumber);
-            
+            if (res == null) return Result<MaterialResponse>.ReFailure(ResultCodes.MateriaNoData);
+
             return Result<MaterialResponse>.ReSuccess(res);
         }
     }
diff --git a/src/WMS.Web.Domain/Values/ResultCodes.cs b/src/WMS.Web.Domain/Values/ResultCodes.cs
index 685200e0..04f86b86 100644
--- a/src/WMS.Web.Domain/Values/ResultCodes.cs
+++ b/src/WMS.Web.Domain/Values/ResultCodes.cs
@@ -29,6 +29,7 @@ namespace WMS.Web.Domain.Values
 
         public static ValueTuple<int, string> BoxNoData = (80000, "箱信息不存在");
         public static ValueTuple<int, string> BoxMateriaNoData = (800010, "箱对应物料信息不存在");
+        public static ValueTuple<int, string> MateriaNoData = (800011, "物料信息不存在");
 
         public static ValueTuple<int, string> ErpStockNoData = (900000, "Erp仓库信息不完整");
         public static ValueTuple<int, string> Box_NoBind_Task_Data = (80001, "该箱号不在收货信息中，请核对再试！");
diff --git a/src/WMS.Web.Repositories/SerialNumbersRepositories.cs b/src/WMS.Web.Repositories/SerialNumbersRepositories.cs
index 6fe0c34f..d683b955 100644
--- a/src/WMS.Web.Repositories/SerialNumbersRepositories.cs
+++ b/src/WMS.Web.Repositories/SerialNumbersRepositories.cs
@@ -138,7 +138,7 @@ namespace WMS.Web.Repositories
                 return response;
             }
             var entity = await _context.SerialNumbers.FirstOrDefaultAsync(w => serialNumber.Equals(w.SerialNumber));
-            if (entity == null) return new MaterialResponse();
+            if (entity == null) return null;
             response.SerialNumber = entity.SerialNumber;
             response.MaterialId = entity.MaterialId;
             response.MaterialName = _erpBasicDataExtendService.GetMaterialName(materials, entity.MaterialId);