diff --git a/components/modal/index.jsx b/components/modal/index.jsx
index e61711586d..ce3c55a32e 100644
--- a/components/modal/index.jsx
+++ b/components/modal/index.jsx
@@ -60,10 +60,10 @@ export default React.createClass({
         x: e.pageX,
         y: e.pageY
       };
-      // 100ms 内发生过点击事件，则从点击位置动画展示
+      // 20ms 内发生过点击事件，则从点击位置动画展示
       // 否则直接 zoom 展示
       // 这样可以兼容非点击方式展开
-      setTimeout(() => mousePosition = null, 100);
+      setTimeout(() => mousePosition = null, 20);
     });
     mousePositionEventBinded = true;
   },