editorial

@@ -18,11 +18,12 @@ var $commentList = $commentArea.find('.comments-wrap'),
     $wordCountTip = $('#word-count-tip'),
     _alert = dialog.Alert,
     tag = $('#tags').find('li').length,
-    len = $('.goods').find('.good-info').length / 4,
+    leng = $('.goods').find('.good-info').length / 4,
     pag = 0;
 
 require('../plugins/share');
-//require('yoho-unslider');
+
+// require('yoho-unslider');
 
 $('#prise-btn').click(function() {
     var prising = false,
@@ -203,27 +204,29 @@ if ($('.goods').find('.good-info').length === 0) {
 $('.right').click(function() {
     pag = pag + 1;
 
-    if (pag === len -1 ) {
+    if (pag === leng - 1) {
         $('.right').addClass('hide');
     }
 
-    if (pag !== 0 ) {
+    if (pag !== 0) {
         $('.left').removeClass('hide');
     }
 
-    $('.goods').animate({left: '+=' + '-930px'});
-})
+    $('.goods').animate({left: '+=-930px'});
+});
 
 $('.left').click(function() {
+    var $goods = $('.goods');
+
     pag = pag - 1;
 
     if (pag === 0) {
         $('.left').addClass('hide');
     }
 
-    if(pag !== len -1) {
+    if (pag !== leng - 1) {
         $('.right').removeClass('hide');
     }
 
-    $(".goods").animate({left: '+=' + '930px'});
-})
+    $goods.animate({left: '+=930px'});
+});