diff --git a/index.html b/index.html
index 08eb933bc70a81a17f750605862a45aa5e131d62..a8f2bae4caaf62d9b639ee16b193e48df069bef5 100644
--- a/index.html
+++ b/index.html
@@ -62,6 +62,7 @@
       themeColor: '#5271a8',
       repo: 'apachecn/highscalability-examples-zh',
       plugins: [window.docsPlugin],
+      search: {
         paths: 'auto',
         placeholder: '搜索',
         noData: '没有结果',