修改bug

@@ -388,6 +388,9 @@ define('yohood', function(require, exports) {
 				},
 				success: function(data) {
 					$("#brand_detail").html(data);
+					if($(window).height() < 580 ) { //小屏幕，去掉关闭按钮
+						$("#brand_detail").find('.brand-close-btn').remove();
+					}
 					$('.overlay').show();
 				}
 			});
@@ -521,6 +524,7 @@ define('yohood', function(require, exports) {
 			$(this).addClass('current').siblings().removeClass('current');
 			$('.side-related-list').hide().eq(nowIndex).show();
 		});
+
 		if ($('.detail-body').outerHeight() > $('.detail-side').outerHeight() && navigator.userAgent.indexOf('iPad') === -1) {
 			//右侧相关文章定位
 			relatedPost = $('.side-related-post');
@@ -548,18 +552,10 @@ define('yohood', function(require, exports) {
 					} else {
 						relatedPost.removeClass('fix').removeAttr('style');
 					}
-					if ($(this).scrollTop() <= maxH - relatedH) {
-						relatedPost.css({
-							'position': 'fixed',
-							'top': 0
-						});
-					}
-				} else {
-					relatedPost.removeClass('fix').removeAttr('style');
-				}
+				});
 			}
-		});
-
+		}
+		
 		//分享按钮位置
 		var shareOffsetTop = $(".share").offset().top;
 		$(window).scroll(function() {