diff --git a/SCADA/Program/CoreApp/DataService/GateWay/DAService.cs b/SCADA/Program/CoreApp/DataService/GateWay/DAService.cs
index 521595b0..2987c2df 100644
--- a/SCADA/Program/CoreApp/DataService/GateWay/DAService.cs
+++ b/SCADA/Program/CoreApp/DataService/GateWay/DAService.cs
@@ -1224,7 +1224,7 @@ void OnValueChanged(object sender, ValueChangedEventArgs e)
             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)