!2452 #I4ZEPC：修正电源管理power和runningLock的API DOC

Merge pull request !2452 from hujun211/master

zh-cn/application-dev/reference/apis/js-apis-power.md

@@ -25,7 +25,7 @@ shutdownDevice(reason: string): void
 
 此接口为系统接口，三方应用不支持调用。
 
-**需要权限：** ohos.permission.SHUTDOWN
+**需要权限：** ohos.permission.REBOOT
 
 **参数：**
 
@@ -47,7 +47,7 @@ rebootDevice(reason: string): void
 
 重启设备。
 
-**需要权限：** ohos.permission.REBOOT（重启权限）、ohos.permission.REBOOT_UPDATER（重启并进入updater模式的权限）
+**需要权限：** ohos.permission.REBOOT（重启权限）、ohos.permission.REBOOT_RECOVERY（重启并进入recovery或者updater模式的权限）
 
 **参数：**
 

zh-cn/application-dev/reference/apis/js-apis-runninglock.md

@@ -107,16 +107,16 @@ createRunningLock(name: string, type: RunningLockType, callback: AsyncCallback&l
 **示例：**
 
 ```
-runningLock.createRunningLock("running_lock_test", runningLock.RunningLockType.BACKGROUND)
-.then(runninglock => {
-    var used = runninglock.isUsed();
+runningLock.createRunningLock("running_lock_test", runningLock.RunningLockType.BACKGROUND, (error, lockIns) => {
+    if (typeof error === "undefined") {
+        console.log('create runningLock test error: ' + error);
+    } else {
+        var used = lockIns.isUsed();
         console.info('runninglock is used: ' + used);
-    runninglock.lock(500);
-    used = runninglock.isUsed();
+        lockIns.lock(500);
+        used = lockIns.isUsed();
         console.info('after lock runninglock is used ' + used);
-})
-.catch(error => {
-    console.log('create runningLock test error: ' + error);
+    }
 })
 ```
 
@@ -173,8 +173,8 @@ lock(timeout: number): void
 **参数：**
 
 | 参数名     | 类型     | 必填   | 说明                         |
-| ------- | ------ | ---- | -------------------- |
-| timeout | number | 否    | 锁定和持有RunningLock的时长。 |
+| ------- | ------ | ---- | -------------------------- |
+| timeout | number | 否    | 锁定和持有RunningLock的时长，单位：毫秒。 |
 
 **示例：**
 
@@ -185,7 +185,7 @@ runningLock.createRunningLock("running_lock_test", runningLock.RunningLockType.B
     console.info('create runningLock success')
 })
 .catch(error => {
-    console.log('Lock runningLock test error: ' + error)
+    console.log('create runningLock test error: ' + error)
 });
 ```
 
@@ -204,10 +204,10 @@ unlock(): void
 runningLock.createRunningLock("running_lock_test", runningLock.RunningLockType.BACKGROUND)
 .then(runningLock => {
     runningLock.unlock()
-    console.info('unLock runningLock success')
+    console.info('create and unLock runningLock success')
 })
 .catch(error => {
-    console.log('unLock runningLock test error: ' + error)
+    console.log('create runningLock test error: ' + error)
 });
 ```