diff --git a/be/Modules/BaseData/src/Win_in.Sfs.Basedata.Application/ProductionLineItems/ProductionLineItemAppService.cs b/be/Modules/BaseData/src/Win_in.Sfs.Basedata.Application/ProductionLineItems/ProductionLineItemAppService.cs
index 5bcc8eeda..927c12e56 100644
--- a/be/Modules/BaseData/src/Win_in.Sfs.Basedata.Application/ProductionLineItems/ProductionLineItemAppService.cs
+++ b/be/Modules/BaseData/src/Win_in.Sfs.Basedata.Application/ProductionLineItems/ProductionLineItemAppService.cs
@@ -106,7 +106,7 @@ public class ProductionLineItemAppService :
     }
     private void CheckProductionLineProdLineCodeJsonAsync(string locationCodeList, List<ValidationResult> validationRresult)
     {
-        if (!string.IsNullOrEmpty(locationCodeList))
+        if (string.IsNullOrEmpty(locationCodeList))
         {
             validationRresult.Add(new ValidationResult($"请维护生产线和库位关系"));
         }