diff --git a/zh-cn/application-dev/reference/apis/js-apis-enterpriseDeviceManager-DeviceSettingsManager.md b/zh-cn/application-dev/reference/apis/js-apis-enterpriseDeviceManager-DeviceSettingsManager.md
index d5d8a3659a7cd70d0b975c7ed0d386c3ce37e80e..a7d5fb7be764610e2ea3aa6e549e13d47f093b1c 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-enterpriseDeviceManager-DeviceSettingsManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-enterpriseDeviceManager-DeviceSettingsManager.md
@@ -24,7 +24,7 @@ enterpriseDeviceManager.getDeviceSettingsManager((error, mgr) => {
 
 ## DeviceSettingsManager.setDateTime
 
-setDateTime(admin: Want, time: number, callback: AsyncCallback<void>): void
+setDateTime(admin: Want, time: number, callback: AsyncCallback\<void>): void
 
 设置系统时间。使用callback异步回调。
 
@@ -64,7 +64,7 @@ enterpriseDeviceManager.getDeviceSettingsManager((error, mgr) => {
 
 ## DeviceSettingsManager.setDateTime
 
-setDateTime(admin: Want, time: number): Promise<void>
+setDateTime(admin: Want, time: number): Promise\<void>
 
 设置系统时间。使用Promise异步回调。