update

- Subproject commit 75bbc3b075de19f239532f60c5995d06c5f814e2
+ Subproject commit 119c247f5cf929aa1e059e40609bb16dd6b58f05

@@ -68,4 +68,14 @@ ccHammer.on('tap', function(e) {
         $subLevel.not('.hide').addClass('hide');
         $subLevel.eq(index).removeClass('hide');
     }
+});
+
+$('.sub-level').bind('touchstart', function(e) {
+    var $cur = $(e.target);
+    $cur.addClass('a-highlight');
+
+    if ($curClickSubLevel) {
+        $curClickSubLevel.removeClass('a-highlight');
+    }
+    $curClickSubLevel = $cur;
 });
\ No newline at end of file

@@ -99,7 +99,6 @@
         background: #fff;
         width: 60%;
         height: 100%;
-        overflow: auto;
     }
 
     .sub-level {
@@ -126,4 +125,8 @@
             color: #000;
         }
     }
+    
+     .a-highlight {
+         text-decoration: underline;
+    }
 }
\ No newline at end of file