diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e3a4d49..74bc9bc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,5 +21,8 @@ jobs:
       - name: 'Install'
         run: 'npm install'
 
+      - name: 'Build'
+        run: 'npm run build'
+
       - name: 'Test'
         run: 'npm run test'
diff --git a/example/build/about.html b/example/build/about.html
index eaf9ba9..a3fbecc 100644
--- a/example/build/about.html
+++ b/example/build/about.html
@@ -1,11 +1,9 @@
 <!DOCTYPE html>
 <html lang="en">
-<head>
-  <meta charset="UTF-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>About</title>
-</head>
-<body>
-
-</body>
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>About</title>
+  </head>
+  <body></body>
 </html>
