diff --git a/basics/README.md b/basics/README.md
index 82e35e06..53001f17 100644
--- a/basics/README.md
+++ b/basics/README.md
@@ -12,9 +12,10 @@ cargo run
 
 ### web client
 
-- [http://localhost:8080/index.html](http://localhost:8080/index.html)
+- [http://localhost:8080/](http://localhost:8080/static/index.html)
 - [http://localhost:8080/async/bob](http://localhost:8080/async/bob)
 - [http://localhost:8080/user/bob/](http://localhost:8080/user/bob/) plain/text download
 - [http://localhost:8080/test](http://localhost:8080/test) (return status switch GET or POST or other)
-- [http://localhost:8080/static/index.html](http://localhost:8080/static/index.html)
-- [http://localhost:8080/static/notexit](http://localhost:8080/static/notexit) display 404 page
+- [http://localhost:8080/welcome](http://localhost:8080/static/welcome.html)
+- [http://localhost:8080/notexit](http://localhost:8080/static/404.html) display 404 page
+- [http://localhost:8080/error](http://localhost:8080/error) Panic after request