修复iphone下穿透问题

@@ -135,7 +135,9 @@ function initFilter(opt) {
     filterHammer.on('tap', function(e) {
     filterHammer.on('tap', function(e) {
         var $this = $(e.target),
         var $this = $(e.target),
             $cur;
             $cur;
-        // e.preventDefault();//防止透点
+
+        //这行不能注释，iphone下会出现穿透
+        e.preventDefault();//防止透点
 
 
         if ($this.closest('.filter-body').length > 0) {
         if ($this.closest('.filter-body').length > 0) {
             $cur = $this.closest('.sub-item');
             $cur = $this.closest('.sub-item');