private void InitIsMultiAoi()
 {
     try
     {
         IConfiger config     = _session.Configer;
         object    ismultiAoi = config.GetConfigItemValue("IsMultiAoi");
         if (ismultiAoi != null)
         {
             _ismultiAoi = false;
             bool.TryParse(ismultiAoi.ToString(), out _ismultiAoi);
         }
     }
     catch
     {
         _ismultiAoi = false;
     }
 }