diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-texttimer.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-texttimer.md
index 1c33a92ebc8413565a73701d1ff5bf3b5ee5b651..deff42598e71c13673bc15a99f880ef6b97d03fb 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-texttimer.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-texttimer.md
@@ -68,7 +68,7 @@ struct TextTimerExample {
       TextTimer({controller: this.myTimerController})
         .format(this.format)
         .fontColor(Color.Black)
-        .fontSize(this.textSize)
+        .fontSize(50)
         .onTimer((utc: number, elapsedTime: number) => {
           console.info('textTimer notCountDown utc is：' + utc + ', elapsedTime: ' + elapsedTime)
         })