diff --git a/README.md b/README.md
index 211224a..26264c2 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
 
+# ************ Under developing, Please don't use now **************
+
 <br>
 <p align="center">
 <img style="height:350px;" alt="FlutterBlue" src="https://github.com/gurgenDP/virtual_keyboard/blob/master/screen1.png?raw=true" />