logo链接替换

@@ -773,6 +773,7 @@ function actionTipPic() {
     var $img = '';
     var $title = '';
     var $link = '';
+    var link = '';
     
     $(document).on('mouseenter', '.sub-nav-item', function() {
         $contentcode = $(this).find('.showdetail').attr('data-code');
@@ -790,6 +791,8 @@ function actionTipPic() {
             }
         }
     });
+    link = $('.first-nav-list .cur').find('a').attr('href');
+    $('.main-link').attr('href', link);
 }