diff --git a/pui/ng/all.js b/pui/ng/all.js
index 6f4b564d693b189b067c4b8796355afd301d8788..cc9228752e4f2b0710801cb270be322ed6bdf67a 100644
--- a/pui/ng/all.js
+++ b/pui/ng/all.js
@@ -1549,11 +1549,14 @@
 					// expand or collapse
 					if(isToggle){
 						var collapseSp = li.find('span').eq(0).find('span').eq(1);
+						var collapseToggler = li.find('span').eq(0).find('span').eq(0);
 						var ul = li.find('ul');
 						if(collapseSp.hasClass('ui-icon-folder-open')){
+							collapseToggler.removeClass('ui-icon-triangle-1-s').addClass('ui-icon-triangle-1-e');
 							collapseSp.removeClass('ui-icon-folder-open').addClass('ui-icon-folder-collapsed');
 							ul.hide();
 						}else{
+							collapseToggler.removeClass('ui-icon-triangle-1-e').addClass('ui-icon-triangle-1-s');
 							collapseSp.removeClass('ui-icon-folder-collapsedui-icon-folder-open').addClass('ui-icon-folder-open');
 							ul.show();
 						}
@@ -1574,4 +1577,4 @@
 		};
 	});
 
-})(window, document, angular);
\ No newline at end of file
+})(window, document, angular);