longer autohide controller time

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dplayer",
-  "version": "1.20.1",
+  "version": "1.20.2",
   "description": "Wow, such a lovely HTML5 danmaku video player",
   "main": "dist/DPlayer.min.js",
   "style": "dist/DPlayer.min.css",

src/js/controller.js

@@ -220,7 +220,7 @@ class Controller {
             if (this.player.video.played.length && !this.disableAutoHide) {
                 this.hide();
             }
-        }, 2000);
+        }, 3000);
     }
 
     show () {