diff --git a/zh-cn/application-dev/reference/apis/js-apis-system-timer.md b/zh-cn/application-dev/reference/apis/js-apis-system-timer.md
index 559c98376bc96a29531bcef8433f3d48478305ee..317e2be8a03c8fce773e9b19e9e1712845230fcd 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-system-timer.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-timer.md
@@ -348,7 +348,7 @@ export default {
         triggerTime += 3000
         systemTimer.startTimer(timerId, triggerTime)
         systemTimer.stopTimer(timerId)
-        systemTimer.destroyTimer(timerId, 10000).then((data) => {
+        systemTimer.destroyTimer(timerId).then((data) => {
             console.log(`Succeeded in destroying timer. Data:` + JSON.stringify(data));
         }).catch((error) => {
             console.error(`Failed to destroy timer. Cause:` + JSON.stringify(error));