分类补充

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>
@@ -163,6 +163,7 @@
             $(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