diff --git a/DSView/pv/dialogs/deviceoptions.cpp b/DSView/pv/dialogs/deviceoptions.cpp
index a1fd4cdd..8b1306cb 100644
--- a/DSView/pv/dialogs/deviceoptions.cpp
+++ b/DSView/pv/dialogs/deviceoptions.cpp
@@ -283,7 +283,8 @@ QLayout * DeviceOptions::get_property_form(QWidget * parent)
         i++;
 	}
 
-    _groupHeight1 = parent->sizeHint().height(); 
+    _groupHeight1 = parent->sizeHint().height() + 30; 
+ 
     parent->setFixedHeight(_groupHeight1); 
 
     return layout;
diff --git a/DSView/pv/dock/protocoldock.cpp b/DSView/pv/dock/protocoldock.cpp
index f72970d7..9c7e87ac 100644
--- a/DSView/pv/dock/protocoldock.cpp
+++ b/DSView/pv/dock/protocoldock.cpp
@@ -1108,7 +1108,7 @@ void ProtocolDock::UpdateFont()
         pannelHeight = 100;
     }
 
-    _top_panel->setFixedHeight(pannelHeight); 
+    _top_panel->setMinimumHeight(pannelHeight);
  }
 
  void ProtocolDock::on_show_ann_keyinput()