guang home hammer

@@ -5,6 +5,7 @@
  */
 
 var $ = require('jquery'),
+    Hammer = require('hammer'),
     Swiper = require('yoho.iswiper');
 
 var info = require('./info'),
@@ -25,7 +26,7 @@ var $infoList = $('#info-list'),
 
 var state = {};
 
-var mySwiper;
+var mySwiper, navHammer;
 
 if ($loadMoreInfo.length > 0) {
     $loading = $loadMoreInfo.children('.loading');
@@ -56,8 +57,9 @@ info.initInfosEvt($infoList);
     });
 }());
 
-$nav.delegate('.guang-nav-item', 'tap', function() {
-    var $this = $(this),
+navHammer = new Hammer($nav[0]);
+navHammer.on('tap', function(e) {
+    var $this = $(e.target).closest('.guang-nav-item'),
         $content,
         index;