diff --git a/packages/vant-cli/site/desktop/components/SearchInput.vue b/packages/vant-cli/site/desktop/components/SearchInput.vue
index 5ee0a16f1..e24f684c0 100644
--- a/packages/vant-cli/site/desktop/components/SearchInput.vue
+++ b/packages/vant-cli/site/desktop/components/SearchInput.vue
@@ -58,4 +58,8 @@ export default {
   width: 18px;
   height: 18px;
 }
+
+.DocSearch-Button-Key {
+  font-size: 12px;
+}
 </style>