diff --git a/zh-cn/application-dev/reference/apis/js-apis-uitest.md b/zh-cn/application-dev/reference/apis/js-apis-uitest.md
index f532dfc53caa5900ebc8fd7a61991e2895d38228..1f5586bfcd8ebc83462c6f3b99fae93cdc802f48 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-uitest.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-uitest.md
@@ -1109,7 +1109,7 @@ scrollSearch(on: On): Promise\<Component>
 ```js
 async function demo() {
     let driver = Driver.create();
-    let button = await driver.findComponent(ON.type('Scroll'));
+    let scrollBar = await driver.findComponent(ON.type('Scroll'));
     let button = await scrollBar.scrollSearch(ON.text('next page'));
 }
 ```