筛选nav选中状态

@@ -31,9 +31,7 @@ exports.init = function() {
          */
         function touchEvt(e) {
             var $cur = $(e.currentTarget);
-            if ($cur.hasClass('screen-nav')) {
-                //筛选
-            } else {
+
             if ($cur.hasClass('focus')) {
                 return;
             }
@@ -41,6 +39,9 @@ exports.init = function() {
             $navItem.removeClass('focus');
             $cur.addClass('focus');
 
+            if ($cur.hasClass('screen-nav')) {
+                //筛选
+            } else {
                 $goodList.addClass('hide');
                 if ($cur.hasClass('new-patterns-nav')) {
                     $npc.removeClass('hide');