diff --git a/docs/api/router.md b/docs/api/router.md
index f9c93e36a79f27444f7594934fab93d58ecb6ee7..84efc92b9342fcad9ba00a290c05ad9be5329c0a 100644
--- a/docs/api/router.md
+++ b/docs/api/router.md
@@ -44,6 +44,7 @@ export default {
 ```
 
 ```
+// 2.8.9+ 支持
 uni.navigateTo({
   url: 'pages/test?id=1',
   events: {
@@ -64,6 +65,7 @@ uni.navigateTo({
 ```
 
 ```
+// 2.8.9+ 支持
 // test.js
 onLoad: function(option) {
   console.log(option.query)