diff --git a/ui/new/scripts/cloud.core2.init.js b/ui/new/scripts/cloud.core2.init.js
index 8e74a7a6c2e..1d2dde2dda2 100644
--- a/ui/new/scripts/cloud.core2.init.js
+++ b/ui/new/scripts/cloud.core2.init.js
@@ -62,8 +62,8 @@ $(document).ready(function() {
                                 toMidmenuFn(items[i], $midmenuItem1);    
                                 bindClickToMidMenu($midmenuItem1, toRightPanelFn, getMidmenuIdFn);             
                                 $("#midmenu_container").append($midmenuItem1.show());   
-                                if(i == 0)
-                                    $midmenuItem1.click();  //click the 1st item in middle menu as default                       
+                                if(i == 0)  //click the 1st item in middle menu as default 
+                                    $midmenuItem1.click();                        
                             }  
                         }  
 	                }
diff --git a/ui/new/scripts/cloud.core2.instance.js b/ui/new/scripts/cloud.core2.instance.js
index bed5c357fdf..860d685d10c 100644
--- a/ui/new/scripts/cloud.core2.instance.js
+++ b/ui/new/scripts/cloud.core2.instance.js
@@ -1441,11 +1441,12 @@ function appendInstanceGroup(groupId, groupName) {
                         var $midmenuItem1 = $template.clone();                                                                                                                                              
                         vmToMidmenu(instances[i], $midmenuItem1); 
                         bindClickToMidMenu($midmenuItem1, vmToRightPanel, getMidmenuId);  
-                        $("#midmenu_container").append($midmenuItem1.show());                        
-                        /*
-                        if(i == 0)
-                            $midmenuItem1.click();  //click the 1st item in middle menu as default
-                        */
+                        $("#midmenu_container").append($midmenuItem1.show()); 
+                        if(i == 0) {  //click the 1st item in middle menu as default  
+                            $midmenuItem1.click();                               
+                            $midmenuItem1.addClass("ui-selected");  //because instance page is using JQuery selectable widget to do multiple-selection
+                            selectedItemsInMidMenu[instances[i].id] = $midmenuItem1; //because instance page is using JQuery selectable widget to do multiple-selection
+                        }                    
                     }  
                 }  
             }