update undefined

@@ -117,7 +117,7 @@ $('.info-list .title, .one-good .reco-name').each(function() {
 });
 
 //offset.left约等于marginLeft的值则表示介绍被换行，则清除intro的paddingTop让其更靠近头像和作者名
-if (parseInt($authorIntro.offset().left, 10) === parseInt($authorIntro.css('margin-left'), 10)) {
+if ($authorIntro && parseInt($authorIntro.offset().left, 10) === parseInt($authorIntro.css('margin-left'), 10)) {
     $authorIntro.css('padding-top', 0);
 }
 

@@ -47,6 +47,10 @@ function setLazyLoadAndMellipsis($infos) {
  * @params $container 逛资讯列表容器
  */
 function initInfosEvt($container) {
+    if (typeof $container === 'undefined') {
+        return;
+    }
+
     var cHammer = new Hammer($container[0]);
 
     cHammer.on('tap', function(e) {