diff --git a/Web/playground/index2.html b/Web/playground/index2.html
index 02cd2bdcab20a02472d498eb9a90d0f60f03f4cd..e8296f16bc109dc644a364377c9a6f7ed7a2bead 100644
--- a/Web/playground/index2.html
+++ b/Web/playground/index2.html
@@ -6,6 +6,7 @@
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Dokit For Web</title>
+  <title>change title</title>
   <style>
     .asd4 .asd {
       color: rgba(241, 9, 9, 0.3);