diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-textclock.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-textclock.md
index 5d14a6be16867f484cad76501346a357eadb51d8..1cc48434594cdcb7c5e060fb7d3f581c97abbc4f 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-textclock.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-textclock.md
@@ -42,7 +42,7 @@ TextClock(options?: { timeZoneOffset?: number, controller?: TextClockController
 
 ## TextClockController
 
-TextClock容器组件的控制器，可以将此对象绑定到TextClock组件，再通过它控制文本时钟的启动与停止。
+TextClock容器组件的控制器，可以将此对象绑定到TextClock组件，再通过它控制文本时钟的启动与停止。一个TextClock组件仅支持绑定一个控制器。
 
 ### 导入对象
 
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 9045b38cd0d6909c30625a4f4f824d2464e7ea69..5cbed372dd3e323e542e2d678ef4d73af406c5f6 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
@@ -43,7 +43,7 @@ TextTimer(options: { isCountDown?: boolean, count?: number, controller?: TextTim
 
 ## TextTimerController
 
-TextTimer组件的控制器，用于控制文本计时器。
+TextTimer组件的控制器，用于控制文本计时器。一个TextTimer组件仅支持绑定一个控制器。
 
 ### 导入对象