diff --git a/play/assets/scene/script/runtime.js b/play/assets/scene/script/runtime.js
index 4c17bb067109366b37fbc21e0f255a54c56a4e38..d55eca22ea0af2059387bf8a39b43db18c8227f5 100644
--- a/play/assets/scene/script/runtime.js
+++ b/play/assets/scene/script/runtime.js
@@ -5,6 +5,8 @@
  * LICENSE file in the root directory of this source tree.
  */
 
+cc.sys.capabilities["touches"] = true;
+
 !(function (global) {
   "use strict";