diff --git a/src/cascader/README.md b/src/cascader/README.md
index 688b752a1..f9ae42c0a 100644
--- a/src/cascader/README.md
+++ b/src/cascader/README.md
@@ -3,10 +3,11 @@
 ### Install
 
 ```js
-import Vue from 'vue';
+import { createApp } from 'vue';
 import { Cascader } from 'vant';
 
-Vue.use(Cascader);
+const app = createApp();
+app.use(Cascader);
 ```
 
 ## Usage
diff --git a/src/cascader/README.zh-CN.md b/src/cascader/README.zh-CN.md
index dd4856f93..9dcd2b3a1 100644
--- a/src/cascader/README.zh-CN.md
+++ b/src/cascader/README.zh-CN.md
@@ -7,10 +7,11 @@
 ### 引入
 
 ```js
-import Vue from 'vue';
+import { createApp } from 'vue';
 import { Cascader } from 'vant';
 
-Vue.use(Cascader);
+const app = createApp();
+app.use(Cascader);
 ```
 
 ## 代码演示