update

@@ -117,8 +117,8 @@ $('.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 ($authorIntro.offset() 
-    && (parseInt($authorIntro.offset().left, 10) === parseInt($authorIntro.css('margin-left'), 10))) {
+if ($authorIntro.offset() && (parseInt($authorIntro.offset().left, 10) ===
+    parseInt($authorIntro.css('margin-left'), 10))) {
     $authorIntro.css('padding-top', 0);
 }
 

@@ -18,7 +18,7 @@ function init($container) {
     var html = '<div class="loading-mask hide"><div class="loading"></div></div>';
 
     hasInit = true;
-    if ($container === undefined) {
+    if (typeof $container === 'undefined') {
         $container = $page;
     }