diff --git a/.vitepress/theme/index.ts b/.vitepress/theme/index.ts
new file mode 100644
index 0000000..90db4b6
--- /dev/null
+++ b/.vitepress/theme/index.ts
@@ -0,0 +1,6 @@
+import DefaultTheme from 'vitepress/theme'
+import './style/print.css'
+
+export default {
+  ...DefaultTheme,
+}