diff --git a/example/prependPercent/main.go b/example/prependPercent/main.go
index f1e2ed0..aae14f8 100644
--- a/example/prependPercent/main.go
+++ b/example/prependPercent/main.go
@@ -51,8 +51,8 @@
 		}
 	}()
 
-	// time.Sleep(time.Second)
-	// p.RemoveBar(bar2)
+	time.Sleep(3 * time.Second)
+	p.RemoveBar(bar2)
 
 	p.WaitAndStop()
 	fmt.Println("stop")