diff --git a/mkdocs.yml b/mkdocs.yml
index 748efdf..99931e7 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -6,3 +6,6 @@ markdown_extensions:
   - def_list
   - pymdownx.tasklist:
         custom_checkbox: true
+extra:
+  search:
+    language: 'en, zh'