diff --git a/api/@ohos.i18n.d.ts b/api/@ohos.i18n.d.ts
index 5b905f211a30c5d42999ecd0a75bfe38184ecfab..ab1b00a6f4707bc8c7a3dab8c3e2f6bf099e84ae 100644
--- a/api/@ohos.i18n.d.ts
+++ b/api/@ohos.i18n.d.ts
@@ -22,6 +22,9 @@
 import { BusinessError } from './@ohos.base';
 import intl from './@ohos.intl';
 /*** endif */
+/*** if arkts 1.2 */
+import { StyledString, TextStyle } from './arkui/component/styledString';
+/*** endif */
 
 /**
  * Provides international settings related APIs.
@@ -407,10 +410,9 @@ declare namespace i18n {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'11', '1.2':'20'}
+     * @since 11
      * @deprecated since 20
      * @useinstead ohos.System.getSystemLocaleInstance
-     * @arkts 1.1&1.2
      */
     static getSystemLocale(): string;
 
@@ -423,6 +425,7 @@ declare namespace i18n {
      * @crossplatform
      * @atomicservice
      * @since 20
+     * @arkts 1.1&1.2
      */
     static getSystemLocaleInstance(): Intl.Locale;
 
@@ -438,9 +441,8 @@ declare namespace i18n {
      * @throws { BusinessError } 890001 - Invalid parameter. Possible causes: Parameter verification failed.
      * @syscap SystemCapability.Global.I18n
      * @systemapi Hide this for inner system use.
-     * @since arkts {'1.1':'9','1.2':'20'}
+     * @since 9
      * @deprecated since 20
-     * @arkts 1.1&1.2
      */
     static setSystemLocale(locale: string): void;
 
@@ -967,6 +969,18 @@ declare namespace i18n {
      * @since 20
      */
     static getUsingNumericalDatePattern(): string;
+
+    /**
+     * Gets temperatures used by system locale.
+     *
+     * @returns { Map<TemperatureType, string> } a map containing the type and name of temperatures
+     * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+     * @static
+     * @syscap SystemCapability.Global.I18n
+     * @systemapi
+     * @since 20
+     */
+    static getSystemTemperatures(): Map<TemperatureType, string>;
   }
 
   /**
@@ -1306,21 +1320,21 @@ declare namespace i18n {
      * @static
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
-     * @since arkts {'1.1':'18','1.2':'20'}
+     * @since 18
      * @deprecated since 20
-     * @arkts 1.1&1.2
      */
     static getUnicodeWrappedFilePath(path: string, delimiter?: string, locale?: intl.Locale): string;
 
     /**
-     * Get the localized file path.
-     * Return the mirrored file path if the locale is RTL. Otherwise return the input file path.
-     * The default value of locale is current system locale.
+     * Localizes a file path for the specified locale. For example, /data/out/tmp is changed to tmp/out/data/ after
+     * localization.
      *
-     * @param { string } path - the file path that needs to be localized.
-     * @param { string } [delimiter] - the file path's delimiter.
-     * @param { Intl.Locale } [locale] - the locale object used to localized file path.
-     * @returns { string } the localized file path.
+     * @param { string } path - Path to mirror, for example, "/data/out/tmp".
+     * @param { string } [delimiter] - Path delimiter. The default value is "/"".
+     * @param { Intl.Locale } [locale] - Locale object. The default value is the current system locale.
+     * @returns { string } File path after localization. If the specified locale object corresponds to an RTL language,
+     *                     the processed file path contains a direction control character to ensure that the file path
+     *                     is displayed in mirror mode.
      * @throws { BusinessError } 8900001 - Invalid parameter. Possible causes: Parameter verification failed.
      * @static
      * @syscap SystemCapability.Global.I18n
@@ -1731,21 +1745,21 @@ declare namespace i18n {
      * @since 10
      */
     /**
-     * Set the time
+     * Sets the year, month, day, hour, minute, and second for this Calendar object.
      *
-     * @param { int } year - The year field of the calendar, ranges from 0 to 9999.
-     * @param { int } month - The month field of the calendar, ranges from 0 to 11.
-     * @param { int } date - The day field of the calendar, ranges from 1 to 31.
-     * @param { int } hour - The hour field of the calendar, ranges from 0 to 23.
-     * @param { int } minute - The minute field of the calendar, ranges from 0 to 59.
-     * @param { int } second - the second field of the calendar, ranges from 0 to 59.
+     * @param { int } year - Year to set.
+     * @param { int } month - Month to set. Note: The month starts from 0. For example, 0 indicates January.
+     * @param { int } date - Day to set.
+     * @param { int } hour - Hour to set. The default value is the current system time.
+     * @param { int } minute - Minute to set. The default value is the current system time.
+     * @param { int } second - Second to set. The default value is the current system time.
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since arkts {'1.1':'12','1.2':'20'}
      * @arkts 1.1&1.2
      */
-    set(year: int, month: int, date: int, hour?: int, minute?: int, second?: int): void;
+    set(year: int, month: int, date:int, hour?: int, minute?: int, second?: int): void;
 
     /**
      * Set the timezone of this calendar.
@@ -2437,112 +2451,121 @@ declare namespace i18n {
    */
   export class Character {
     /**
-     * Determines whether the specified code point is a digit character
+     * Checks whether the input character is a digit.
      *
-     * @param { string } char - the character to be tested
-     * @returns { boolean } true if the character is a digit character
+     * @param { string } ch - Input character. If the input is a string, only the type of the first character is
+     *     checked.
+     * @returns { boolean } true if the input character is a digit, and false otherwise.
      * @syscap SystemCapability.Global.I18n
      * @since 8
      * @deprecated since 9
      * @useinstead Unicode.isDigit
      */
-    isDigit(char: string): boolean;
+    isDigit(ch: string): boolean;
 
     /**
-     * Determines if the specified character is a space character or not.
+     * Checks whether the input character is a space.
      *
-     * @param { string } char - the character to be tested
-     * @returns { boolean } true if the character is a space character
+     * @param { string } ch - Input character. If the input is a string, only the type of the first character is
+     *     checked.
+     * @returns { boolean } true if the input character is a space, and false otherwise.
      * @syscap SystemCapability.Global.I18n
      * @since 8
      * @deprecated since 9
      * @useinstead Unicode.isSpaceChar
      */
-    isSpaceChar(char: string): boolean;
+    isSpaceChar(ch: string): boolean;
 
     /**
-     * Determines if the specified character is a whitespace character
+     * Checks whether the input character is a whitespace.
      *
-     * @param { string } char - the character to be tested
-     * @returns { boolean } true if the character is a whitespace character
+     * @param { string } ch - Input character. If the input is a string, only the type of the first character is
+     *     checked.
+     * @returns { boolean } true if the input character is a white space, and false otherwise.
      * @syscap SystemCapability.Global.I18n
-     * @since 8
+     * @since arkts 8
      * @deprecated since 9
      * @useinstead Unicode.isWhitespace
      */
-    isWhitespace(char: string): boolean;
+    isWhitespace(ch: string): boolean;
 
     /**
-     * Determines if the specified character is a RTL character or not.
+     * Checks whether the input character is of the right to left (RTL) language.
      *
-     * @param { string } char - the character to be tested
-     * @returns { boolean } true if the character is a RTL character
+     * @param { string } ch - Input character. If the input is a string, only the type of the first character is
+     *     checked.
+     * @returns { boolean } true if the input character is of the RTL language, and false otherwise.
      * @syscap SystemCapability.Global.I18n
-     * @since 8
+     * @since arkts 8
      * @deprecated since 9
      * @useinstead Unicode.isRTL
      */
-    isRTL(char: string): boolean;
+    isRTL(ch: string): boolean;
 
     /**
-     * Determines if the specified character is a Ideographic character or not.
+     * Checks whether the input character is an ideographic character.
      *
-     * @param { string } char - the character to be tested
-     * @returns { boolean } true if the character is a Ideographic character
+     * @param { string } ch - Input character. If the input is a string, only the type of the first character is
+     *     checked.
+     * @returns { boolean } true if the input character an ideographic character, and false otherwise.
      * @syscap SystemCapability.Global.I18n
      * @since 8
      * @deprecated since 9
      * @useinstead Unicode.isIdeograph
      */
-    isIdeograph(char: string): boolean;
+    isIdeograph(ch: string): boolean;
 
     /**
-     * Determines if the specified character is a Letter or not.
+     * Checks whether the input character is a letter.
      *
-     * @param { string } char - the character to be tested
-     * @returns { boolean } true if the character is a Letter
+     * @param { string } ch - Input character. If the input is a string, only the type of the first character is
+     *     checked.
+     * @returns { boolean } true if the input character a letter, and false otherwise.
      * @syscap SystemCapability.Global.I18n
      * @since 8
      * @deprecated since 9
      * @useinstead Unicode.isLetter
      */
-    isLetter(char: string): boolean;
+    isLetter(ch: string): boolean;
 
     /**
-     * Determines if the specified character is a LowerCase character or not.
+     * Checks whether the input character is a lowercase letter.
      *
-     * @param { string } char - the character to be tested
-     * @returns { boolean } true if the character is a LowerCase character
+     * @param { string } ch - Input character. If the input is a string, only the type of the first character is
+     *     checked.
+     * @returns { boolean } true if the input character a lowercase letter, and false otherwise.
      * @syscap SystemCapability.Global.I18n
      * @since 8
      * @deprecated since 9
      * @useinstead Unicode.isLowerCase
      */
-    isLowerCase(char: string): boolean;
+    isLowerCase(ch: string): boolean;
 
     /**
-     * Determines if the specified character is a UpperCase character or not.
+     * Checks whether the input character is an uppercase letter.
      *
-     * @param { string } char - the character to be tested
-     * @returns { boolean } true if the character is a UpperCase character
+     * @param { string } ch - Input character. If the input is a string, only the type of the first character is
+     *     checked.
+     * @returns { boolean } true if the input character an uppercase letter, and false otherwise.
      * @syscap SystemCapability.Global.I18n
      * @since 8
      * @deprecated since 9
      * @useinstead Unicode.isUpperCase
      */
-    isUpperCase(char: string): boolean;
+    isUpperCase(ch: string): boolean;
 
     /**
-     * Get the general category value of the specified character.
+     * Obtains the type of the input character.
      *
-     * @param { string } char - the character to be tested
-     * @returns { string } the general category of the specified character.
+     * @param { string } ch - Input character. If the input is a string, only the type of the first character is
+     *     checked.
+     * @returns { string } Type of the input character.
      * @syscap SystemCapability.Global.I18n
      * @since 8
      * @deprecated since 9
      * @useinstead Unicode.getType
      */
-    getType(char: string): string;
+    getType(ch: string): string;
   }
 
   /**
@@ -3688,7 +3711,7 @@ declare namespace i18n {
 
     /**
      * Offset of the time zone ID.
-     * 
+     *
      * @type { int }
      * @syscap SystemCapability.Global.I18n
      * @systemapi Hide this for inner system use.
@@ -3710,7 +3733,7 @@ declare namespace i18n {
 
     /**
      * Fixed offset of the time zone ID.
-     * 
+     *
      * @type { ?int }
      * @syscap SystemCapability.Global.I18n
      * @systemapi Hide this for inner system use.
@@ -4221,19 +4244,21 @@ declare namespace i18n {
    * @throws { BusinessError } 890001 - Invalid parameter. Possible causes: Parameter verification failed.
    * @syscap SystemCapability.Global.I18n
    * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
+   * @since 18
    * @deprecated since 20
-   * @arkts 1.1&1.2
    */
   export function getSimpleDateTimeFormatByPattern(pattern: string, locale?: intl.Locale): SimpleDateTimeFormat;
 
   /**
-   * Create a SimpleDateTimeFormat object by pattern and locale.
-   * The default value of locale is the current system locale.
+   * Obtains a SimpleDateTimeFormat object based on the specified pattern string. For details about the display
+   * differences between the objects obtained by this API and getSimpleDateTimeFormatBySkeleton,
+   * see SimpleDateTimeFormat.
    *
-   * @param { string } pattern - the pattern used to create SimpleDateTimeFormat object.
-   * @param { Intl.Locale } [locale] - the Intl.Locale object used to create Intl.SimpleDateTimeFormat object.
-   * @returns { SimpleDateTimeFormat } a SimpleDateTimeFormat object created from pattern.
+   * @param { string } pattern - Valid pattern. For details about the supported characters and their meanings, see
+   *                             [Date Field Symbol Table](https://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table).
+   *                             This parameter also supports custom text enclosed in single quotation marks ('').
+   * @param { Intl.Locale } [locale] - Locale object. The default value is the current system locale.
+   * @returns { SimpleDateTimeFormat } SimpleDateTimeFormat object.
    * @throws { BusinessError } 8900001 - Invalid parameter. Possible causes: Parameter verification failed.
    * @syscap SystemCapability.Global.I18n
    * @atomicservice
@@ -4253,20 +4278,20 @@ declare namespace i18n {
    * @throws { BusinessError } 890001 - Invalid parameter. Possible causes: Parameter verification failed.
    * @syscap SystemCapability.Global.I18n
    * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
+   * @since 18
    * @deprecated since 20
-   * @arkts 1.1&1.2
    */
   export function getSimpleDateTimeFormatBySkeleton(skeleton: string, locale?: intl.Locale): SimpleDateTimeFormat;
 
   /**
-   * Create a SimpleDateTimeFormat object by skeleton and locale. This method create a pattern by locale and skeleton, the pattern
-   * includes locale specific separators, and the fields'order will be adjust for that locale.
-   * The default value of locale is the current system locale.
+   * Obtains a SimpleDateTimeFormat object based on the specified skeleton. For details about the display differences
+   * between the objects obtained by this API and getSimpleDateTimeFormatByPattern, see SimpleDateTimeFormat.
    *
-   * @param { string } skeleton - the skeleton used to create SimpleDateTimeFormat object.
-   * @param { Intl.Locale } [locale] - the Intl.Locale object used to create SimpleDateTimeFormat object.
-   * @returns { SimpleDateTimeFormat } a SimpleDateTimeFormat object created from skeleton.
+   * @param { string } skeleton - Valid skeleton. For details about the supported characters and their meanings, see
+   *                              [Date Field Symbol Table](https://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table).
+   *                              This parameter does not support custom text.
+   * @param { Intl.Locale } [locale] - Locale object. The default value is the current system locale.
+   * @returns { SimpleDateTimeFormat } SimpleDateTimeFormat object.
    * @throws { BusinessError } 8900001 - Invalid parameter. Possible causes: Parameter verification failed.
    * @syscap SystemCapability.Global.I18n
    * @atomicservice
@@ -4307,19 +4332,18 @@ declare namespace i18n {
    * @syscap SystemCapability.Global.I18n
    * @crossplatform
    * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
+   * @since 18
    * @deprecated since 20
-   * @arkts 1.1&1.2
    */
   export function getSimpleNumberFormatBySkeleton(skeleton: string, locale?: intl.Locale): SimpleNumberFormat;
 
   /**
-   * Create a SimpleNumberFormat object by pattern and locale.
-   * The default value of locale is the current system locale.
+   * Obtains a SimpleNumberFormat object based on the specified skeleton.
    *
-   * @param { string } skeleton - the skeleton used to create SimpleNumberFormat object.
-   * @param { Intl.Locale } [locale] - the Intl.Locale object used to create SimpleNumberFormat object.
-   * @returns { SimpleNumberFormat } a SimpleNumberFormat object created from pattern.
+   * @param { string } skeleton - Valid skeleton. For details about the supported characters and their meanings, see
+   *                              [Number Skeletons](https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#number-skeletons).
+   * @param { Intl.Locale } [locale] - Locale object. The default value is the current system locale.
+   * @returns { SimpleNumberFormat } SimpleNumberFormat object.
    * @throws { BusinessError } 8900001 - Invalid parameter. Possible causes: Parameter verification failed.
    * @syscap SystemCapability.Global.I18n
    * @crossplatform
@@ -4355,7 +4379,8 @@ declare namespace i18n {
    *
    * @syscap SystemCapability.Global.I18n
    * @atomicservice
-   * @since 18
+   * @since arkts {'1.1':'18','1.2':'20'}
+   * @arkts 1.1&1.2
    */
   export class StyledNumberFormat {
     /**
@@ -4366,8 +4391,9 @@ declare namespace i18n {
      *                                                    The default value is the default text style.
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
-     * @since 18
+     * @since arkts {'1.1':'18','1.2':'20'}
      * @deprecated since 20
+     * @arkts 1.1&1.2
      */
     constructor(numberFormat: intl.NumberFormat | SimpleNumberFormat, options?: StyledNumberFormatOptions);
 
@@ -4390,7 +4416,8 @@ declare namespace i18n {
      * @returns { StyledString } Rich text object after formatting.
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
-     * @since 18
+     * @since arkts {'1.1':'18','1.2':'20'}
+     * @arkts 1.1&1.2
      */
     format(value: double): StyledString;
   }
@@ -4401,7 +4428,8 @@ declare namespace i18n {
    * @interface StyledNumberFormatOptions
    * @syscap SystemCapability.Global.I18n
    * @atomicservice
-   * @since 18
+   * @since arkts {'1.1':'18','1.2':'20'}
+   * @arkts 1.1&1.2
    */
   export interface StyledNumberFormatOptions {
     /**
@@ -4410,7 +4438,8 @@ declare namespace i18n {
      * @type { ?TextStyle }
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
-     * @since 18
+     * @since arkts {'1.1':'18','1.2':'20'}
+     * @arkts 1.1&1.2
      */
     integer?: TextStyle;
 
@@ -4420,7 +4449,8 @@ declare namespace i18n {
      * @type { ?TextStyle }
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
-     * @since 18
+     * @since arkts {'1.1':'18','1.2':'20'}
+     * @arkts 1.1&1.2
      */
     decimal?: TextStyle;
 
@@ -4430,7 +4460,8 @@ declare namespace i18n {
      * @type { ?TextStyle }
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
-     * @since 18
+     * @since arkts {'1.1':'18','1.2':'20'}
+     * @arkts 1.1&1.2
      */
     fraction?: TextStyle;
 
@@ -4440,7 +4471,8 @@ declare namespace i18n {
      * @type { ?TextStyle }
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
-     * @since 18
+     * @since arkts {'1.1':'18','1.2':'20'}
+     * @arkts 1.1&1.2
      */
     unit?: TextStyle;
   }
diff --git a/api/@ohos.intl.d.ts b/api/@ohos.intl.d.ts
index e51b5ab8f028472624c9dc0edac6a5a9f65cfe99..a4a7a158a847ce2755ab3f195874ac7b4672eed9 100644
--- a/api/@ohos.intl.d.ts
+++ b/api/@ohos.intl.d.ts
@@ -86,10 +86,9 @@ declare namespace intl {
    * @crossplatform
    * @form
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
    * @useinstead Intl.LocaleOptions
-   * @arkts 1.1&1.2
    */
   export interface LocaleOptions {
     /**
@@ -133,10 +132,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.LocaleOptions.calendar
-     * @arkts 1.1&1.2
      */
     calendar?: string;
 
@@ -180,10 +178,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.LocaleOptions.collation
-     * @arkts 1.1&1.2
      */
     collation?: string;
 
@@ -226,10 +223,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.LocaleOptions.hourCycle
-     * @arkts 1.1&1.2
      */
     hourCycle?: string;
 
@@ -277,10 +273,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.LocaleOptions.numberingSystem
-     * @arkts 1.1&1.2
      */
     numberingSystem?: string;
 
@@ -324,10 +319,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.LocaleOptions.numeric
-     * @arkts 1.1&1.2
      */
     numeric?: boolean;
 
@@ -370,10 +364,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.LocaleOptions.caseFirst
-     * @arkts 1.1&1.2
      */
     caseFirst?: string;
   }
@@ -406,8 +399,9 @@ declare namespace intl {
    * @crossplatform
    * @form
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 12
+   * @deprecated since 20
+   * @useinstead Intl.Locale
    */
   export class Locale {
     /**
@@ -438,10 +432,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead i18n.System.getSystemLocaleObject
-     * @arkts 1.1&1.2
      */
     constructor();
 
@@ -484,10 +477,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.Locale.constructor
-     * @arkts 1.1&1.2
      */
     constructor(locale: string, options?: LocaleOptions);
 
@@ -854,246 +846,6 @@ declare namespace intl {
      */
     numeric: boolean;
 
-    /**
-     * Get the language of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get language(): string;
-
-    /**
-     * Set the language of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set language(value: string);
-
-    /**
-     * Get the script of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get script(): string;
-
-    /**
-     * Set the script of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set script(value: string);
-
-    /**
-     * Get the region of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get region(): string;
-
-    /**
-     * Set the region of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set region(value: string);
-
-    /**
-     * Get the baseName of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get baseName(): string;
-
-    /**
-     * Set the baseName of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set baseName(value: string);
-
-    /**
-     * Get the caseFirst of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get caseFirst(): string;
-
-    /**
-     * Set the caseFirst of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set caseFirst(value: string);
-
-    /**
-     * Get the calendar of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get calendar(): string;
-
-    /**
-     * Set the calendar of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set calendar(value: string);
-
-    /**
-     * Get the collation of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get collation(): string;
-
-    /**
-     * Set the collation of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set collation(value: string);
-
-    /**
-     * Get the hourCycle of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get hourCycle(): string;
-
-    /**
-     * Set the hourCycle of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set hourCycle(value: string);
-
-    /**
-     * Get the numberingSystem of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get numberingSystem(): string;
-
-    /**
-     * Set the numberingSystem of the locale.
-     *
-     * @type { string }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set numberingSystem(value: string);
-
-    /**
-     * Get the numeric of the locale.
-     *
-     * @type { boolean }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    get numeric(): boolean;
-
-    /**
-     * Set the numeric of the locale.
-     *
-     * @type { boolean }
-     * @syscap SystemCapability.Global.I18n
-     * @crossplatform
-     * @form
-     * @since 20
-     * @arkts 1.2
-     */
-    set numeric(value: boolean);
-
     /**
      * Convert the locale information to string.
      *
@@ -1126,10 +878,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.Locale.toString
-     * @arkts 1.1&1.2
      */
     toString(): string;
 
@@ -1165,10 +916,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.Locale.maximize
-     * @arkts 1.1&1.2
      */
     maximize(): Locale;
 
@@ -1204,10 +954,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.Locale.minimize
-     * @arkts 1.1&1.2
      */
     minimize(): Locale;
   }
@@ -1245,10 +994,9 @@ declare namespace intl {
    * @crossplatform
    * @form
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
-   * @useinstead Intl.DateTimeOptions
-   * @arkts 1.1&1.2
+   * @useinstead Intl.DateTimeFormatOptions
    */
   export interface DateTimeOptions {
     /**
@@ -1283,17 +1031,15 @@ declare namespace intl {
      * @since 11
      */
     /**
-     * Valid locale ID, for example, "zh-Hans-CN". The default value is the current system locale. 
+     * Valid locale ID, for example, "zh-Hans-CN". The default value is the current system locale.
      *
      * @type { ?string }
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.locale
-     * @arkts 1.1&1.2
      */
     locale?: string;
 
@@ -1336,10 +1082,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.dateStyle
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.dateStyle
      */
     dateStyle?: string;
 
@@ -1382,10 +1127,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.timeStyle
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.timeStyle
      */
     timeStyle?: string;
 
@@ -1421,17 +1165,16 @@ declare namespace intl {
      * @since 11
      */
     /**
-     * Hour cycle. The value can be: "h11", "h12", "h23", or "h24". 
+     * Hour cycle. The value can be: "h11", "h12", "h23", or "h24".
      *
      * @type { ?string }
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.hourCycle
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.hourCycle
      */
     hourCycle?: string;
 
@@ -1467,17 +1210,16 @@ declare namespace intl {
      * @since 11
      */
     /**
-     * Time zone in use. The value is a valid IANA time zone ID. 
+     * Time zone in use. The value is a valid IANA time zone ID.
      *
      * @type { ?string }
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.timeZone
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.timeZone
      */
     timeZone?: string;
 
@@ -1525,10 +1267,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.numberingSystem
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.numberingSystem
      */
     numberingSystem?: string;
 
@@ -1573,10 +1314,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.hour12
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.hour12
      */
     hour12?: boolean;
 
@@ -1619,10 +1359,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.weekday
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.weekday
      */
     weekday?: string;
 
@@ -1665,10 +1404,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.era
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.era
      */
     era?: string;
 
@@ -1711,10 +1449,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.year
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.year
      */
     year?: string;
 
@@ -1757,10 +1494,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.month
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.month
      */
     month?: string;
 
@@ -1803,10 +1539,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.day
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.day
      */
     day?: string;
 
@@ -1849,10 +1584,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.hour
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.hour
      */
     hour?: string;
 
@@ -1895,10 +1629,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.minute
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.minute
      */
     minute?: string;
 
@@ -1941,10 +1674,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.second
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.second
      */
     second?: string;
 
@@ -1987,10 +1719,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.timeZoneName
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.timeZoneName
      */
     timeZoneName?: string;
 
@@ -2033,10 +1764,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.dayPeriod
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.dayPeriod
      */
     dayPeriod?: string;
 
@@ -2081,10 +1811,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.localeMatcher
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.localeMatcher
      */
     localeMatcher?: string;
 
@@ -2129,10 +1858,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.DateTimeOptions.formatMatcher
-     * @arkts 1.1&1.2
+     * @useinstead Intl.DateTimeFormatOptions.formatMatcher
      */
     formatMatcher?: string;
   }
@@ -2165,10 +1893,9 @@ declare namespace intl {
    * @crossplatform
    * @form
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
    * @useinstead Intl.DateTimeFormat
-   * @arkts 1.1&1.2
    */
   export class DateTimeFormat {
     /**
@@ -2199,10 +1926,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.constructor
-     * @arkts 1.1&1.2
      */
     constructor();
 
@@ -2247,10 +1973,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.constructor
-     * @arkts 1.1&1.2
      */
     constructor(locale: string | Array<string>, options?: DateTimeOptions);
 
@@ -2290,10 +2015,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.format
-     * @arkts 1.1&1.2
      */
     format(date: Date): string;
 
@@ -2338,10 +2062,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.formatRange
-     * @arkts 1.1&1.2
      */
     formatRange(startDate: Date, endDate: Date): string;
 
@@ -2377,10 +2100,9 @@ declare namespace intl {
      * @crossplatform
      * @form
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.DateTimeFormat.resolvedOptions
-     * @arkts 1.1&1.2
      */
     resolvedOptions(): DateTimeOptions;
   }
@@ -2409,8 +2131,6 @@ declare namespace intl {
    * @crossplatform
    * @atomicservice
    * @since arkts {'1.1':'12', '1.2':'20'}
-   * @deprecated since 20
-   * @useinstead Intl.NumberOptions
    * @arkts 1.1&1.2
    */
   export interface NumberOptions {
@@ -2444,8 +2164,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.locale
      * @arkts 1.1&1.2
      */
     locale?: string;
@@ -2482,8 +2200,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.currency
      * @arkts 1.1&1.2
      */
     currency?: string;
@@ -2518,8 +2234,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.currencySign
      * @arkts 1.1&1.2
      */
     currencySign?: string;
@@ -2555,8 +2269,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.currencyDisplay
      * @arkts 1.1&1.2
      */
     currencyDisplay?: string;
@@ -2594,8 +2306,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.unit
      * @arkts 1.1&1.2
      */
     unit?: string;
@@ -2630,8 +2340,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.unitDisplay
      * @arkts 1.1&1.2
      */
     unitDisplay?: string;
@@ -2671,7 +2379,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
      * @arkts 1.1&1.2
      */
     unitUsage?: string;
@@ -2711,8 +2418,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.signDisplay
      * @arkts 1.1&1.2
      */
     signDisplay?: string;
@@ -2747,8 +2452,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.compactDisplay
      * @arkts 1.1&1.2
      */
     compactDisplay?: string;
@@ -2784,8 +2487,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.notation
      * @arkts 1.1&1.2
      */
     notation?: string;
@@ -2820,8 +2521,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.localeMatcher
      * @arkts 1.1&1.2
      */
     localeMatcher?: string;
@@ -2857,8 +2556,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.style
      * @arkts 1.1&1.2
      */
     style?: string;
@@ -2898,8 +2595,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.numberingSystem
      * @arkts 1.1&1.2
      */
     numberingSystem?: string;
@@ -2935,8 +2630,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.useGrouping
      * @arkts 1.1&1.2
      */
     useGrouping?: boolean;
@@ -2972,8 +2665,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.minimumIntegerDigits
      * @arkts 1.1&1.2
      */
     minimumIntegerDigits?: int;
@@ -3009,8 +2700,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.minimumFractionDigits
      * @arkts 1.1&1.2
      */
     minimumFractionDigits?: int;
@@ -3046,8 +2735,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.maximumFractionDigits
      * @arkts 1.1&1.2
      */
     maximumFractionDigits?: int;
@@ -3082,8 +2769,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.minimumSignificantDigits
      * @arkts 1.1&1.2
      */
     minimumSignificantDigits?: int;
@@ -3118,8 +2803,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.maximumSignificantDigits
      * @arkts 1.1&1.2
      */
     maximumSignificantDigits?: int;
@@ -3134,8 +2817,6 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
      * @since arkts {'1.1':'18', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.roundingPriority
      * @arkts 1.1&1.2
      */
     roundingPriority?: string;
@@ -3148,8 +2829,6 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
      * @since arkts {'1.1':'18', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.roundingIncrement
      * @arkts 1.1&1.2
      */
     roundingIncrement?: int;
@@ -3178,8 +2857,6 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
      * @since arkts {'1.1':'18', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberOptions.roundingMode
      * @arkts 1.1&1.2
      */
     roundingMode?: string;
@@ -3205,8 +2882,6 @@ declare namespace intl {
    * @crossplatform
    * @atomicservice
    * @since arkts {'1.1':'12', '1.2':'20'}
-   * @deprecated since 20
-   * @useinstead Intl.NumberFormat
    * @arkts 1.1&1.2
    */
   export class NumberFormat {
@@ -3230,8 +2905,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberFormat.constructor
      * @arkts 1.1&1.2
      */
     constructor();
@@ -3265,8 +2938,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberFormat.constructor
      * @arkts 1.1&1.2
      */
     constructor(locale: string | Array<string>, options?: NumberOptions);
@@ -3297,8 +2968,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberFormat.format
      * @arkts 1.1&1.2
      */
     format(num: double): string;
@@ -3312,8 +2981,6 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @atomicservice
      * @since arkts {'1.1':'18', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberFormat.formatRange
      * @arkts 1.1&1.2
      */
     formatRange(startRange: double, endRange: double): string;
@@ -3341,8 +3008,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.NumberFormat.resolvedOptions
      * @arkts 1.1&1.2
      */
     resolvedOptions(): NumberOptions;
@@ -3371,8 +3036,6 @@ declare namespace intl {
    * @crossplatform
    * @atomicservice
    * @since arkts {'1.1':'12', '1.2':'20'}
-   * @deprecated since 20
-   * @useinstead Intl.CollatorOptions
    * @arkts 1.1&1.2
    */
   export interface CollatorOptions {
@@ -3409,8 +3072,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.CollatorOptions.localeMatcher
      * @arkts 1.1&1.2
      */
     localeMatcher?: string;
@@ -3449,8 +3110,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.CollatorOptions.usage
      * @arkts 1.1&1.2
      */
     usage?: string;
@@ -3507,8 +3166,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.CollatorOptions.sensitivity
      * @arkts 1.1&1.2
      */
     sensitivity?: string;
@@ -3544,8 +3201,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.CollatorOptions.ignorePunctuation
      * @arkts 1.1&1.2
      */
     ignorePunctuation?: boolean;
@@ -3581,8 +3236,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.CollatorOptions.collation
      * @arkts 1.1&1.2
      */
     collation?: string;
@@ -3618,8 +3271,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.CollatorOptions.numeric
      * @arkts 1.1&1.2
      */
     numeric?: boolean;
@@ -3658,8 +3309,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.CollatorOptions.caseFirst
      * @arkts 1.1&1.2
      */
     caseFirst?: string;
@@ -3685,8 +3334,6 @@ declare namespace intl {
    * @crossplatform
    * @atomicservice
    * @since arkts {'1.1':'12', '1.2':'20'}
-   * @deprecated since 20
-   * @useinstead Intl.Collator
    * @arkts 1.1&1.2
    */
   export class Collator {
@@ -3710,8 +3357,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.Collator.constructor
      * @arkts 1.1&1.2
      */
     constructor();
@@ -3744,8 +3389,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.Collator.constructor
      * @arkts 1.1&1.2
      */
     constructor(locale: string | Array<string>, options?: CollatorOptions);
@@ -3787,8 +3430,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.Collator.compare
      * @arkts 1.1&1.2
      */
     compare(first: string, second: string): int;
@@ -3818,8 +3459,6 @@ declare namespace intl {
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12', '1.2':'20'}
-     * @deprecated since 20
-     * @useinstead Intl.Collator.resolvedOptions
      * @arkts 1.1&1.2
      */
     resolvedOptions(): CollatorOptions;
@@ -3847,10 +3486,9 @@ declare namespace intl {
    * @syscap SystemCapability.Global.I18n
    * @crossplatform
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
    * @useinstead Intl.PluralRulesOptions
-   * @arkts 1.1&1.2
    */
   export interface PluralRulesOptions {
     /**
@@ -3885,10 +3523,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRulesOptions.localeMatcher
-     * @arkts 1.1&1.2
      */
     localeMatcher?: string;
 
@@ -3916,16 +3553,15 @@ declare namespace intl {
      */
     /**
      * Collation type. The value can be "cardinal" or "ordinal". The default value is "cardinal". The value "cardinal"
-     * indicates a cardinal number and the value "ordinal" indicates an ordinal number. 
+     * indicates a cardinal number and the value "ordinal" indicates an ordinal number.
      *
      * @type { ?string }
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRulesOptions.type
-     * @arkts 1.1&1.2
      */
     type?: string;
 
@@ -3962,10 +3598,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRulesOptions.minimumIntegerDigits
-     * @arkts 1.1&1.2
      */
     minimumIntegerDigits?: int;
 
@@ -4002,10 +3637,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRulesOptions.minimumFractionDigits
-     * @arkts 1.1&1.2
      */
     minimumFractionDigits?: int;
 
@@ -4045,10 +3679,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRulesOptions.maximumFractionDigits
-     * @arkts 1.1&1.2
      */
     maximumFractionDigits?: int;
 
@@ -4084,10 +3717,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRulesOptions.minimumSignificantDigits
-     * @arkts 1.1&1.2
      */
     minimumSignificantDigits?: int;
 
@@ -4123,10 +3755,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRulesOptions.maximumSignificantDigits
-     * @arkts 1.1&1.2
      */
     maximumSignificantDigits?: int;
   }
@@ -4150,10 +3781,9 @@ declare namespace intl {
    * @syscap SystemCapability.Global.I18n
    * @crossplatform
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
    * @useinstead Intl.PluralRules
-   * @arkts 1.1&1.2
    */
   export class PluralRules {
     /**
@@ -4175,10 +3805,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRules.constructor
-     * @arkts 1.1&1.2
      */
     constructor();
 
@@ -4210,10 +3839,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRules.constructor
-     * @arkts 1.1&1.2
      */
     constructor(locale: string | Array<string>, options?: PluralRulesOptions);
 
@@ -4246,10 +3874,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.PluralRules.select
-     * @arkts 1.1&1.2
      */
     select(n: double): string;
   }
@@ -4276,10 +3903,9 @@ declare namespace intl {
    * @syscap SystemCapability.Global.I18n
    * @crossplatform
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
-   * @useinstead Intl.RelativeTimeFormatInputOptions
-   * @arkts 1.1&1.2
+   * @useinstead Intl.RelativeTimeFormatOptions
    */
   export interface RelativeTimeFormatInputOptions {
     /**
@@ -4314,10 +3940,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.RelativeTimeFormatInputOptions.localeMatcher
-     * @arkts 1.1&1.2
+     * @useinstead Intl.RelativeTimeFormatOptions.localeMatcher
      */
     localeMatcher?: string;
 
@@ -4353,10 +3978,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.RelativeTimeFormatInputOptions.numeric
-     * @arkts 1.1&1.2
+     * @useinstead Intl.RelativeTimeFormatOptions.numeric
      */
     numeric?: string;
 
@@ -4393,10 +4017,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.RelativeTimeFormatInputOptions.style
-     * @arkts 1.1&1.2
+     * @useinstead Intl.RelativeTimeFormatOptions.style
      */
     style?: string;
   }
@@ -4423,10 +4046,9 @@ declare namespace intl {
    * @syscap SystemCapability.Global.I18n
    * @crossplatform
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
-   * @useinstead Intl.RelativeTimeFormatResolvedOptions
-   * @arkts 1.1&1.2
+   * @useinstead Intl.ResolvedRelativeTimeFormatOptions
    */
   export interface RelativeTimeFormatResolvedOptions {
     /**
@@ -4449,10 +4071,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.RelativeTimeFormatResolvedOptions.locale
-     * @arkts 1.1&1.2
+     * @useinstead Intl.ResolvedRelativeTimeFormatOptions.locale
      */
     locale: string;
 
@@ -4478,10 +4099,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.RelativeTimeFormatResolvedOptions.style
-     * @arkts 1.1&1.2
+     * @useinstead Intl.ResolvedRelativeTimeFormatOptions.style
      */
     style: string;
 
@@ -4507,10 +4127,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.RelativeTimeFormatResolvedOptions.numeric
-     * @arkts 1.1&1.2
+     * @useinstead Intl.ResolvedRelativeTimeFormatOptions.numeric
      */
     numeric: string;
 
@@ -4539,10 +4158,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
-     * @useinstead Intl.RelativeTimeFormatResolvedOptions.numberingSystem
-     * @arkts 1.1&1.2
+     * @useinstead Intl.ResolvedRelativeTimeFormatOptions.numberingSystem
      */
     numberingSystem: string;
   }
@@ -4569,10 +4187,9 @@ declare namespace intl {
    * @syscap SystemCapability.Global.I18n
    * @crossplatform
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
+   * @since 12
    * @deprecated since 20
    * @useinstead Intl.RelativeTimeFormat
-   * @arkts 1.1&1.2
    */
   export class RelativeTimeFormat {
     /**
@@ -4594,10 +4211,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.RelativeTimeFormat.constructor
-     * @arkts 1.1&1.2
      */
     constructor();
 
@@ -4629,10 +4245,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.RelativeTimeFormat.constructor
-     * @arkts 1.1&1.2
      */
     constructor(locale: string | Array<string>, options?: RelativeTimeFormatInputOptions);
 
@@ -4667,10 +4282,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.RelativeTimeFormat.format
-     * @arkts 1.1&1.2
      */
     format(value: double, unit: string): string;
 
@@ -4707,10 +4321,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.RelativeTimeFormat.formatToParts
-     * @arkts 1.1&1.2
      */
     formatToParts(value: double, unit: string): Array<object>;
 
@@ -4738,10 +4351,9 @@ declare namespace intl {
      * @syscap SystemCapability.Global.I18n
      * @crossplatform
      * @atomicservice
-     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @since 12
      * @deprecated since 20
      * @useinstead Intl.RelativeTimeFormat.resolvedOptions
-     * @arkts 1.1&1.2
      */
     resolvedOptions(): RelativeTimeFormatResolvedOptions;
   }
diff --git a/api/arkui/component/common.static.d.ets b/api/arkui/component/common.static.d.ets
index 551db8d10f9751d30b8226442460cb8d921a1dd4..b75555efd3e6292ec6c7c19ada01b7cfc4f9b157 100644
--- a/api/arkui/component/common.static.d.ets
+++ b/api/arkui/component/common.static.d.ets
@@ -15283,13 +15283,13 @@ export declare interface TerminationInfo {
 /**
  * Defines the format for displaying dates and times.
  *
- * @typedef { intl.DateTimeOptions } DateTimeOptions
+ * @typedef { Intl.DateTimeFormatOptions } DateTimeOptions
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @crossplatform
  * @atomicservice
  * @since 20
  */
-export type DateTimeOptions = intl.DateTimeOptions;
+export type DateTimeOptions = Intl.DateTimeFormatOptions;
 /**
  * Defines a bindable property
  * @interface Bindable<T>
diff --git a/api/arkui/component/units.d.ets b/api/arkui/component/units.d.ets
index 4526b8f3ae02ae1d4fd06758a989896aeda5c158..e79777f9feae76687cf1cb2ce86850300b67ae4d 100644
--- a/api/arkui/component/units.d.ets
+++ b/api/arkui/component/units.d.ets
@@ -34,7 +34,6 @@ import _unifieddatachannel from '../../../api/@ohos.data.unifiedDataChannel'
 import _uniformtypedescriptor from '../../../api/@ohos.data.uniformTypeDescriptor'
 import _observer from '../../../api/@ohos.arkui.observer'
 import _uieffect from '../../../api/@ohos.graphics.uiEffect'
-import _intl from '../../../api/@ohos.intl'
 import _window from '../../../api/@ohos.window'
 export type Want = _want
 export type Context = _context
@@ -50,7 +49,7 @@ export type RouterPageInfo = _observer.RouterPageInfo
 export type VisualEffect = _uieffect.VisualEffect
 export type Filter = _uieffect.Filter
 export type Blender = NullishType
-export type DateTimeOptions = _intl.DateTimeOptions
+export type DateTimeOptions = Intl.DateTimeFormatOptions
 export type WindowStatusType = _window.WindowStatusType
 export type SystemBarStyle = _window.SystemBarStyle
 export type RestrictedWorker = string