brand collect bug fix

@@ -398,8 +398,8 @@ if ($brandHeader.length > 0) {
 
     //品牌收藏
     brandColHammer = new Hammer($brandHeader.children('.btn-col')[0]);
-    brandColHammer.on('tap', function() {
-        var $this = $(this);
+    brandColHammer.on('tap', function(e) {
+        var $this = $(e.target).closest('.btn-col');
 
         var id = $brandHeader.data('id'),
             opt;