diff --git a/index.html b/index.html
index bd8005a..17b957b 100644
--- a/index.html
+++ b/index.html
@@ -6,5 +6,10 @@
 	</head>
 	<body>
 		Hello World !
+		<ul>
+			<li><a href='https://tomboliu.github.io/'>Home</a>
+			<li><a href='https://docs.github.com/en/pages'>GitHub Pages</a> Documents
+			<li><a href='https://github.com/tomboliu/tomboliu.github.io/tree/main'>GitHub Repository</a>
+		</ul>
 	</body>
 </html>
\ No newline at end of file
diff --git a/nppBackup/index.html.2024-01-24_183015.bak b/nppBackup/index.html.2024-01-24_183015.bak
new file mode 100644
index 0000000..bd8005a
--- /dev/null
+++ b/nppBackup/index.html.2024-01-24_183015.bak
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+	<head>
+		<meta name="viewport" content="width=device-width, initial-scale=1.0">
+		<title>This is me</title>
+	</head>
+	<body>
+		Hello World !
+	</body>
+</html>
\ No newline at end of file
