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 bfc5e3bba8b6e3a88ad607f7bf46b126bd7127d0..dfac87fda3169231ec4cdf0644113097de4fd4b5 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
@@ -119,8 +119,10 @@ export default {
             type: systemTimer.TIMER_TYPE_REALTIME,
             repeat:false
         }
-        let timerId = systemTimer.Timer(options)
-        systemTimer.startTimer(timerId, 10000, (error, data) => {
+        let timerId = systemTimer.createTimer(options)
+		let triggerTime = new Date().getTime()
+        triggerTime += 3000
+        systemTimer.startTimer(timerId, triggerTime, (error, data) => {
             if (error) {
                 console.error(`failed to systemTime.startTimer ` + JSON.stringify(error));
                 return;
@@ -156,8 +158,10 @@ export default {
             type: systemTimer.TIMER_TYPE_REALTIME,
             repeat:false
         }
-        let timerId = systemTimer.Timer(options)
-        systemTimer.startTimer(timerId, 10000).then((data) => {
+        let timerId = systemTimer.createTimer(options)
+		let triggerTime = new Date().getTime()
+        triggerTime += 3000
+        systemTimer.startTimer(timerId, triggerTime).then((data) => {
             console.log(`systemTime.startTimer success data : ` + JSON.stringify(data));
         }).catch((error) => {
             console.error(`failed to systemTime.startTimer because ` + JSON.stringify(error));
@@ -190,9 +194,11 @@ export default {
             type: systemTimer.TIMER_TYPE_REALTIME,
             repeat:false
         }
-        let timerId = systemTimer.Timer(options)
-        systemTimer.startTimer(timerId, 100000)
-        systemTimer.stoptTimer(timerId, 10000, (error, data) => {
+        let timerId = systemTimer.createTimer(options)
+		let triggerTime = new Date().getTime()
+        triggerTime += 3000
+        systemTimer.startTimer(timerId, triggerTime)
+        systemTimer.stoptTimer(timerId, (error, data) => {
             if (error) {
                 console.error(`failed to systemTime.startTimer ` + JSON.stringify(error));
                 return;
@@ -227,9 +233,11 @@ export default {
             type: systemTimer.TIMER_TYPE_REALTIME,
             repeat:false
         }
-        let timerId = systemTimer.Timer(options)
-        systemTimer.startTimer(timerId, 100000)
-        systemTimer.stoptTimer(timerId, 10000).then((data) => {
+        let timerId = systemTimer.createTimer(options)
+		let triggerTime = new Date().getTime()
+        triggerTime += 3000
+        systemTimer.startTimer(timerId, triggerTime)
+        systemTimer.stoptTimer(timerId).then((data) => {
             console.log(`systemTime.startTimer success data : ` + JSON.stringify(data));
         }).catch((error) => {
             console.error(`failed to systemTime.startTimer because ` + JSON.stringify(error));
@@ -262,8 +270,10 @@ export default {
             type: systemTimer.TIMER_TYPE_REALTIME,
             repeat:false
         }
-        let timerId = systemTimer.Timer(options)
-        systemTimer.startTimer(timerId, 100000)
+        let timerId = systemTimer.createTimer(options)
+		let triggerTime = new Date().getTime()
+        triggerTime += 3000
+        systemTimer.startTimer(timerId, triggerTime)
         systemTimer.stopTimer(timerId)
         systemTimer.destroyTimer(timerId, (error, data) => {
             if (error) {
@@ -300,10 +310,12 @@ export default {
             type: systemTimer.TIMER_TYPE_REALTIME,
             repeat:false
         }
-        let timerId = systemTimer.Timer(options)
-        systemTimer.startTimer(timerId, 100000)
+        let timerId = systemTimer.createTimer(options)
+		let triggerTime = new Date().getTime()
+        triggerTime += 3000
+        systemTimer.startTimer(timerId, triggerTime)
         systemTimer.stopTimer(timerId)
-        systemTimer.destroytTimer(timerId, 10000).then((data) => {
+        systemTimer.destroyTimer(timerId, 10000).then((data) => {
             console.log(`systemTime.startTimer success data : ` + JSON.stringify(data));
         }).catch((error) => {
             console.error(`failed to systemTime.startTimer because ` + JSON.stringify(error));
@@ -324,4 +336,4 @@ createTimer的初始化选项。
 | repeat   | boolean           | 是   | true 为循环定时器，false为单次定时器。                                                          |
 | interval | number            | 否   | 如果是循环定时器，repeat值应大于5000毫秒，非重复定时器置为0。                                   |
 | wantAgent| wantAgent         | 否   | 设置通知的wantagent，定时器到期后通知。(支持拉起应用MainAbility,暂不支持拉起ServiceAbility)     |
-
+| callback | number            | 是   | 以回调函数的形式返回定时器的ID     |
\ No newline at end of file