fix query

EVCB_OCPP.WSServer/Service/DbService/WebDbService.cs

@@ -290,7 +290,7 @@ public class WebDbService
         using SqlConnection conn = await webDbConnectionFactory.CreateAsync();
         try
         {
-            bool? isPeriodEnergyRequired = await conn.QueryFirstOrDefaultAsync<bool?>(new CommandDefinition(setSql, parameters, cancellationToken: token));
+            int rows = await conn.ExecuteAsync(new CommandDefinition(setSql, parameters, cancellationToken: token));
         }
         catch (Exception e)
         {