侧边栏修改

@@ -25,6 +25,7 @@ var start = 0,
 lazyLoad($('img.lazy'));
 
 $('.nav-btn').on('touchstart', function(event) {
+    $sideNav.css('pointer-events', 'none');
     $mobileWrap.addClass('menu-open');
     $overlay.show().css('opacity', 0.3);
     $sideNav.addClass('on');
@@ -37,6 +38,11 @@ $('.nav-btn').on('touchstart', function(event) {
         height: $(window).height(),
         overflow: 'hidden'
     });
+
+    setTimeout(function() {
+        $sideNav.css('pointer-events', 'auto');
+    }, 400);
+
     return false;
 });