diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/resourceload/ResourcesLoadPanel.java b/ganttzk/src/main/java/org/zkoss/ganttz/resourceload/ResourcesLoadPanel.java
index e8f55e2a2..120912a64 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/resourceload/ResourcesLoadPanel.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/resourceload/ResourcesLoadPanel.java
@@ -32,10 +32,10 @@ import org.zkoss.ganttz.timetracker.TimeTrackerComponent;
 import org.zkoss.ganttz.timetracker.zoom.ZoomLevel;
 import org.zkoss.ganttz.util.ComponentsFinder;
 import org.zkoss.ganttz.util.LongOperationFeedback;
+import org.zkoss.ganttz.util.LongOperationFeedback.ILongOperation;
 import org.zkoss.ganttz.util.MutableTreeModel;
 import org.zkoss.ganttz.util.OnZKDesktopRegistry;
 import org.zkoss.ganttz.util.WeakReferencedListeners;
-import org.zkoss.ganttz.util.LongOperationFeedback.ILongOperation;
 import org.zkoss.ganttz.util.WeakReferencedListeners.IListenerNotification;
 import org.zkoss.ganttz.util.script.IScriptsRegister;
 import org.zkoss.zk.au.out.AuInvoke;
@@ -44,7 +44,6 @@ import org.zkoss.zk.ui.HtmlMacroComponent;
 import org.zkoss.zk.ui.event.Event;
 import org.zkoss.zk.ui.event.EventListener;
 import org.zkoss.zk.ui.event.Events;
-import org.zkoss.zkex.zul.api.South;
 import org.zkoss.zul.Button;
 import org.zkoss.zul.Comboitem;
 import org.zkoss.zul.ListModel;
@@ -52,6 +51,7 @@ import org.zkoss.zul.Separator;
 import org.zkoss.zul.SimpleListModel;
 import org.zkoss.zul.api.Combobox;
 import org.zkoss.zul.api.Listbox;
+import org.zkoss.zul.api.South;
 public class ResourcesLoadPanel extends HtmlMacroComponent {
 
     public interface IToolbarCommand {