diff --git a/Aucma.Core.ProductOffLine/Business/offLineBusiness.cs b/Aucma.Core.ProductOffLine/Business/offLineBusiness.cs
index 01a71542..73f819a7 100644
--- a/Aucma.Core.ProductOffLine/Business/offLineBusiness.cs
+++ b/Aucma.Core.ProductOffLine/Business/offLineBusiness.cs
@@ -492,6 +492,7 @@ namespace Aucma.Core.ProductOffLine.Business
             catch (Exception ex)
             {
                 log.Error(ex.Message.ToString());
+                return false;
             }
         }
     #region plc交互