diff --git a/SCADA/Example/BatchCoreTest.exe b/SCADA/Example/BatchCoreTest.exe
index ed0bd75..be72798 100644
Binary files a/SCADA/Example/BatchCoreTest.exe and b/SCADA/Example/BatchCoreTest.exe differ
diff --git a/SCADA/Program/BatchCoreService/DAService.cs b/SCADA/Program/BatchCoreService/DAService.cs
index ddc76b3..9ecaa07 100644
--- a/SCADA/Program/BatchCoreService/DAService.cs
+++ b/SCADA/Program/BatchCoreService/DAService.cs
@@ -1268,7 +1268,7 @@ namespace BatchCoreService
             DataHelper.Instance.ExecuteStoredProcedure("AddEventLog",
                 DataHelper.CreateParam("@StartTime", SqlDbType.DateTime, tag.TimeStamp),
                 DataHelper.CreateParam("@Source", SqlDbType.NVarChar, tag.ID.ToString(), 50),
-                DataHelper.CreateParam("@StartTime", SqlDbType.NVarChar, tag.ToString(), 50));
+                DataHelper.CreateParam("@Comment", SqlDbType.NVarChar, tag.ToString(), 50));
         }
 
         public HistoryData[] BatchRead(DataSource source, bool sync, params ITag[] itemArray)