diff --git a/app/index/view/mobile/topic_nas/help_detail.html b/app/index/view/mobile/topic_nas/help_detail.html
index 8a0eb72e..18a7e8b7 100644
--- a/app/index/view/mobile/topic_nas/help_detail.html
+++ b/app/index/view/mobile/topic_nas/help_detail.html
@@ -61,15 +61,15 @@
                     <!-- start 三级菜单测试用例  可删-->
                     <div class="categoryhelp">
 								<div class="categoryhelp-title">
-									<div class="arrow rotate"><img src="__IMAGES__/nars-jt.png" class="arrow rotate">
+									<div><img src="__IMAGES__/nars-jt.png" class="arrow">
 									</div>
 									<span>初次使用</span>
 								</div>
 								<ul class="sub-list" style="display: block;">
 									<li class="two-mues">
 										<a href="/mobile/tops_nas/helper_detail/id/1638.html" class="two-a">
-											<div class="arrow rotate"><img src="__IMAGES__/nars-jt.png"
-													class="arrow rotate">
+											<div><img src="__IMAGES__/nars-jt.png"
+													class="arrow">
 											</div>
 											<span>我是2级</span>
 										</a>
@@ -163,16 +163,17 @@
             $(this).next('.sub-list').slideToggle();
             $(this).find('.arrow').toggleClass('rotate');
         });
+        //分类二三级交互
         $('.two-a').click(function(e) {
-				e.preventDefault();
-				e.stopPropagation(); // 阻止事件冒泡
+			e.preventDefault();
+			e.stopPropagation(); // 阻止事件冒泡
 
-				// 切换当前二级菜单的箭头方向
-				$(this).find('.arrow').toggleClass('rotate');
+			// 切换当前二级菜单的箭头方向
+			$(this).find('.arrow').toggleClass('rotate');
 
-				// 切换对应的三级菜单显示/隐藏
-				$(this).siblings('.thress-mues').slideToggle();
-			});
+			// 切换对应的三级菜单显示/隐藏
+			$(this).siblings('.thress-mues').slideToggle();
+		});
         // 点击顶部搜索图标-点击取消关闭
         $('#ssico').click(function () {
             $('.nhlpapp-pagescate').hide();