diff --git a/api/@ohos.i18n.d.ts b/api/@ohos.i18n.d.ts
index dfb773bd7a25b3c33f58ce5476fbc5d78e7371be..c50de9864aa65243e3a1a2f56fc0674712134393 100644
--- a/api/@ohos.i18n.d.ts
+++ b/api/@ohos.i18n.d.ts
@@ -1338,6 +1338,7 @@ declare namespace i18n {
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
      * @since 20
+     * @arkts 1.1&1.2
      */
     static getUnicodeWrappedFilePath(path: string, delimiter?: string, locale?: Intl.Locale): string;
   }
@@ -4261,6 +4262,7 @@ declare namespace i18n {
    * @syscap SystemCapability.Global.I18n
    * @atomicservice
    * @since 20
+   * @arkts 1.1&1.2
    */
   export function getSimpleDateTimeFormatByPattern(pattern: string, locale?: Intl.Locale): SimpleDateTimeFormat;
 
@@ -4294,6 +4296,7 @@ declare namespace i18n {
    * @syscap SystemCapability.Global.I18n
    * @atomicservice
    * @since 20
+   * @arkts 1.1&1.2
    */
   export function getSimpleDateTimeFormatBySkeleton(skeleton: string, locale?: Intl.Locale): SimpleDateTimeFormat;
 
@@ -4347,6 +4350,7 @@ declare namespace i18n {
    * @crossplatform
    * @atomicservice
    * @since 20
+   * @arkts 1.1&1.2
    */
   export function getSimpleNumberFormatBySkeleton(skeleton: string, locale?: Intl.Locale): SimpleNumberFormat;