scroll loading guang info

@@ -41,7 +41,9 @@ if ($tag.length > 0) {
 }
 }
 
 
 $(document).scroll(function() {
 $(document).scroll(function() {
-    if ($(window).scrollTop() + winH >= $(document).height() - loadMoreH) {
+
+    //设置50px阈值
+    if ($(window).scrollTop() + winH >= $(document).height() - loadMoreH - 50) {
         loadMore($infos, setting);
         loadMore($infos, setting);
     }
     }
 });
 });