侧边连优化

@@ -10,6 +10,7 @@ var $ = require('jquery'),
     $mobileWrap = $('.mobile-wrap'),
     $overlay = $('.overlay'),
     $sideNav = $('.side-nav'),
+    $subNav = $('.sub-nav'),
     bannerSwiper,
     recommendSwiper,
     hotBrandsSwiper,
@@ -77,14 +78,16 @@ $sideNav.on('touchend', 'li', function (e) {
 });
 
 //返回一级导航，收起二级导航
-$('.sub-nav').each(function () {
+$subNav.each(function () {
     $(this).find('li').eq(0).on('touchend', function (e) {
         $('.sub-nav').removeClass('show');
         e.stopPropagation();
         return false;
     });
-}).on('touchend', function() {
-    $('.sub-nav').find('li').removeClass('current');
+}).on('touchend', function(e) {
+    if (e.currentTarget !== e.target) {
+        $subNav.find('li').removeClass('current');
+    }
 });
 
 //头部banner轮播

 .side-nav {
-    display: table-cell;
+    display: block;
     background: #fff;
     position: fixed;
     top: 0;
     bottom: 0;
+    // left: 0;
     right: 640rem / $pxConvertRem;
     width: 540rem / $pxConvertRem;
     z-index: -1;
@@ -116,8 +117,9 @@
     bottom: 0;
     top: 0;
     left: 0;
-    width: 100%;
+    width: 540rem / $pxConvertRem;
     background: #fff !important;
+    overflow: hidden;
 
     @include transform(translateX(540rem / $pxConvertRem));
     @include transition(transform 0.3s);