diff --git a/.vuepress/theme/index.js b/.vuepress/theme/index.js
new file mode 100644
index 0000000..76ac300
--- /dev/null
+++ b/.vuepress/theme/index.js
@@ -0,0 +1,9 @@
+module.exports = {
+    extend: '@vuepress/theme-default',
+
+    plugins: [
+        ['@vuepress/search', {
+            test: ['/2\.x/'],
+        }]
+    ],
+}