diff --git a/index.html b/index.html
index 6078e61..ac2723d 100644
--- a/index.html
+++ b/index.html
@@ -1,24 +1,23 @@
 <!DOCTYPE html>
 <html lang="en">
-
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
     <title>HexSchool PR practice</title>
-    <link rel="stylesheet" href="all.css">
-</head>
+    <link rel="stylesheet" href="all.css" />
+  </head>
 
-<body>
-    <h1>yunyun PR practice </h1>
+  <body>
+    <h1>yunyun PR practice</h1>
     <div class="hexschool">
-        <p>Hello HexSchool!</p>
+      <p>Hello HexSchool!</p>
     </div>
     <div>This is new PR.</div>
 
     <h2>謝謝洧杰老師，讓我學會git，真的教得很清楚又容易懂!</h2>
     <h3>謝謝老師助教，提供管道讓我們練習 PR</h3>
     <p>PR 練習</p>
-</body>
-
-</html>
\ No newline at end of file
+    <p>PR測試</p>
+  </body>
+</html>
