From 52a1ac1deb424b5227094758ed2ce1ed30146d20 Mon Sep 17 00:00:00 2001
From: chengyuli <chengyuli1@huawei.com>
Date: Fri, 4 Jul 2025 10:31:36 +0800
Subject: [PATCH] 
 https://gitee.com/openharmony/arkcompiler_runtime_core/issues/ICHR85

Signed-off-by: chengyuli <chengyuli1@huawei.com>
Change-Id: I20af8e043c35142b9dcee0657f76436812ead7e8
---
 api/@ohos.util.ArrayList.d.ts      | 142 ++++++++++++++++++-----------
 api/@ohos.util.Deque.d.ts          |  40 ++++----
 api/@ohos.util.HashMap.d.ts        |   4 +-
 api/@ohos.util.HashSet.d.ts        |   4 +-
 api/@ohos.util.LightWeightMap.d.ts |  32 +++----
 api/@ohos.util.LightWeightSet.d.ts |  20 ++--
 api/@ohos.util.LinkedList.d.ts     |  32 +++----
 api/@ohos.util.List.d.ts           |  87 ++++++++++++------
 api/@ohos.util.PlainArray.d.ts     |  58 ++++++------
 api/@ohos.util.Queue.d.ts          |   8 +-
 api/@ohos.util.Stack.d.ts          |  12 +--
 api/@ohos.util.TreeMap.d.ts        |   8 +-
 api/@ohos.util.TreeSet.d.ts        |   8 +-
 13 files changed, 260 insertions(+), 195 deletions(-)

diff --git a/api/@ohos.util.ArrayList.d.ts b/api/@ohos.util.ArrayList.d.ts
index a294822a93..c06a75a213 100644
--- a/api/@ohos.util.ArrayList.d.ts
+++ b/api/@ohos.util.ArrayList.d.ts
@@ -98,14 +98,14 @@ declare class ArrayList<T> {
   /**
    * Gets the element number of the ArrayList.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
   /**
    * Appends the specified element to the end of this arraylist.
    *
@@ -177,7 +177,7 @@ declare class ArrayList<T> {
    * any subsequent elements to the right (adds one to their index).
    *
    * @param { T } element - element element element to be inserted
-   * @param { number } index - index index at which the specified element is to be inserted
+   * @param { int } index - index index at which the specified element is to be inserted
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @throws { BusinessError } 10200011 - The insert method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
@@ -190,7 +190,7 @@ declare class ArrayList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  insert(element: T, index: number): void;
+  insert(element: T, index: int): void;
   /**
    * Check if arraylist contains the specified element
    *
@@ -249,7 +249,7 @@ declare class ArrayList<T> {
    * in this arraylist, or -1 if this arraylist does not contain the element.
    *
    * @param { T } element - element element element to be contained
-   * @returns { number } the number type ,returns the lowest index such that or -1 if there is no such index.
+   * @returns { int } the int type ,returns the lowest index such that or -1 if there is no such index.
    * @throws { BusinessError } 10200011 - The getIndexOf method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -257,7 +257,7 @@ declare class ArrayList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getIndexOf(element: T): number;
+  getIndexOf(element: T): int;
   /**
    * Find the corresponding element according to the index,
    * delete the element, and move the index of all elements to the right of the element forward by one.
@@ -293,7 +293,7 @@ declare class ArrayList<T> {
    * Find the corresponding element according to the index,
    * delete the element, and move the index of all elements to the right of the element forward by one.
    *
-   * @param { number } index - index index the index in the arraylist
+   * @param { int } index - index index the index in the arraylist
    * @returns { T } the T type ,returns undefined if arraylist is empty,If the index is
    * @throws { BusinessError } 10200001 - The value of "index" is out of range.
    * @throws { BusinessError } 10200011 - The removeByIndex method cannot be bound.
@@ -307,7 +307,7 @@ declare class ArrayList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  removeByIndex(index: number): T;
+  removeByIndex(index: int): T;
   /**
    * Removes the first occurrence of the specified element from this arraylist,
    * if it is present.  If the arraylist does not contain the element, it is
@@ -372,7 +372,7 @@ declare class ArrayList<T> {
    * or -1 if the arraylist does not contain the element.
    *
    * @param { T } element - element element element to find
-   * @returns { number } the number type
+   * @returns { int } the int type
    * @throws { BusinessError } 10200011 - The getLastIndexOf method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -380,7 +380,7 @@ declare class ArrayList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getLastIndexOf(element: T): number;
+  getLastIndexOf(element: T): int;
   /**
    * Removes from this arraylist all of the elements whose index is between fromIndex,inclusive,and toIndex ,exclusive.
    *
@@ -413,8 +413,8 @@ declare class ArrayList<T> {
   /**
    * Removes from this arraylist all of the elements whose index is between fromIndex,inclusive,and toIndex ,exclusive.
    *
-   * @param { number } fromIndex - fromIndex fromIndex The starting position of the index, containing the value at that index position
-   * @param { number } toIndex - toIndex toIndex the end of the index, excluding the value at that index
+   * @param { int } fromIndex - fromIndex fromIndex The starting position of the index, containing the value at that index position
+   * @param { int } toIndex - toIndex toIndex the end of the index, excluding the value at that index
    * @throws { BusinessError } 10200001 - The value of fromIndex or toIndex is out of range.
    * @throws { BusinessError } 10200011 - The removeByRange method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
@@ -427,7 +427,7 @@ declare class ArrayList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  removeByRange(fromIndex: number, toIndex: number): void;
+  removeByRange(fromIndex: int, toIndex: int): void;
   /**
    * Replaces each element of this arraylist with the result of applying the operator to that element.
    *
@@ -607,10 +607,29 @@ declare class ArrayList<T> {
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 12
    */
   sort(comparator?: (firstValue: T, secondValue: T) => number): void;
+  /**
+   * Sorts this arraylist according to the order induced by the specified comparator,without comparator this parameter,
+   * it will default to ASCII sorting
+   *
+   * @param { ComparatorFn<T> } [comparator] - comparator
+   * comparator (Optional) A function that accepts up to two arguments.Specifies the sort order.
+   * Must be a function,return number type,If it returns firstValue minus secondValue, it returns an arraylist
+   * sorted in ascending order;If it returns secondValue minus firstValue, it returns an arraylist sorted in descending order;
+   * If this parameter is empty, it will default to ASCII sorting
+   * @throws { BusinessError } 10200011 - The sort method cannot be bound.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes:
+   * 1.Incorrect parameter types;
+   * 2.Parameter verification failed.
+   * @syscap SystemCapability.Utils.Lang
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  sort(comparator?: ComparatorFn<T>): void;
   /**
    * Returns a view of the portion of this arraylist between the specified fromIndex,inclusive,and toIndex,exclusive
    *
@@ -645,8 +664,8 @@ declare class ArrayList<T> {
   /**
    * Returns a view of the portion of this arraylist between the specified fromIndex,inclusive,and toIndex,exclusive
    *
-   * @param { number } fromIndex - fromIndex fromIndex The starting position of the index, containing the value at that index position
-   * @param { number } toIndex - toIndex toIndex the end of the index, excluding the value at that index
+   * @param { int } fromIndex - fromIndex fromIndex The starting position of the index, containing the value at that index position
+   * @param { int } toIndex - toIndex toIndex the end of the index, excluding the value at that index
    * @returns { ArrayList<T> }
    * @throws { BusinessError } 10200001 - The value of fromIndex or toIndex is out of range.
    * @throws { BusinessError } 10200011 - The subArrayList method cannot be bound.
@@ -660,7 +679,7 @@ declare class ArrayList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  subArrayList(fromIndex: number, toIndex: number): ArrayList<T>;
+  subArrayList(fromIndex: int, toIndex: int): ArrayList<T>;
   /**
    * Removes all of the elements from this arraylist.The arraylist will
    * be empty after this call returns.length becomes 0
@@ -739,7 +758,7 @@ declare class ArrayList<T> {
   /**
    * returns the capacity of this arraylist
    *
-   * @returns { number } the number type
+   * @returns { int } the int type
    * @throws { BusinessError } 10200011 - The getCapacity method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -747,7 +766,7 @@ declare class ArrayList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getCapacity(): number;
+  getCapacity(): int;
   /**
    * convert arraylist to array
    *
@@ -823,7 +842,7 @@ declare class ArrayList<T> {
   /**
    * Returns the item at that index.
    * 
-   * @param { number } index - The zero-based index of the desired code unit.
+   * @param { int } index - The zero-based index of the desired code unit.
    * @returns { T } The element in the arrayList matching the given index.
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @syscap SystemCapability.Utils.Lang
@@ -831,12 +850,12 @@ declare class ArrayList<T> {
    * @since 20
    * @arkts 1.2
    */
-  $_get(index: number): T;
+  $_get(index: int): T;
 
   /**
    * Set the value of item at that index.
    *
-   * @param { number } index - The index of the element to set.
+   * @param { int } index - The index of the element to set.
    * @param { T } value - The value to set at the specified index.
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @syscap SystemCapability.Utils.Lang
@@ -844,7 +863,7 @@ declare class ArrayList<T> {
    * @since 20
    * @arkts 1.2
    */
-  $_set(index: number, value: T): void;
+  $_set(index: int, value: T): void;
 
   /**
    * If the newCapacity provided by the user is greater than or equal to length,
@@ -875,7 +894,7 @@ declare class ArrayList<T> {
    * If the newCapacity provided by the user is greater than or equal to length,
    * change the capacity of the arraylist to newCapacity, otherwise the capacity will not be changed
    *
-   * @param { number } newCapacity - newCapacity newCapacity
+   * @param { int } newCapacity - newCapacity newCapacity
    * @throws { BusinessError } 10200011 - The increaseCapacityTo method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
    * 1.Mandatory parameters are left unspecified;
@@ -886,7 +905,7 @@ declare class ArrayList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  increaseCapacityTo(newCapacity: number): void;
+  increaseCapacityTo(newCapacity: int): void;
   /**
    * Limit the capacity to the current length
    *
@@ -955,34 +974,49 @@ declare class ArrayList<T> {
   $_iterator(): IterableIterator<T>;
 }
 
-  /**
-   * The type of ArrayList callback function.
-   *
-   * @typedef { function } ArrayListForEachCb
-   * @param { T } value - The current element being processed
-   * @param { number } index - The index of the current element
-   * @param { ArrayList<T> } arrlist - The ArrayList instance being traversed
-   * @returns { void } This callback does not return a value
-   * @syscap SystemCapability.Utils.Lang
-   * @atomicservice
-   * @since 20
-   * @arkts 1.2
-   */
-  export type ArrayListForEachCb<T> =  (value: T, index: number, arrlist: ArrayList<T>) => void;
+/**
+ * This type specifies the comparator of sort in comparation.
+ *
+ * @typedef { function } ComparatorFn
+ * @param { T } firstValue - firstValue (required) previous element.
+ * @param { T } secondValue - secondValue (required) next element.
+ * @returns { double } the number type
+ * @syscap SystemCapability.Utils.Lang
+ * @crossplatform
+ * @atomicservice
+ * @since 20
+ * @arkts 1.2
+ */
+export type ComparatorFn<T> = (firstValue: T, secondValue: T) => double;
 
-  /**
-   * The type of ArrayList callback function.
-   *
-   * @typedef { function } ArrayListReplaceCb
-   * @param { T } value - The current element being processed
-   * @param { number } index - The index of the current element
-   * @param { ArrayList<T> } arrlist - The ArrayList instance being traversed
-   * @returns { T } This callback does not return a value
-   * @syscap SystemCapability.Utils.Lang
-   * @atomicservice
-   * @since 20
-   * @arkts 1.2
-   */
-  export type ArrayListReplaceCb<T> =  (value: T, index: number, arrlist: ArrayList<T>) => T;
+/**
+ * The type of ArrayList callback function.
+ *
+ * @typedef { function } ArrayListForEachCb
+ * @param { T } value - The current element being processed
+ * @param { int } index - The index of the current element
+ * @param { ArrayList<T> } arrlist - The ArrayList instance being traversed
+ * @returns { void } This callback does not return a value
+ * @syscap SystemCapability.Utils.Lang
+ * @atomicservice
+ * @since 20
+ * @arkts 1.2
+ */
+export type ArrayListForEachCb<T> =  (value: T, index: int, arrlist: ArrayList<T>) => void;
+
+/**
+ * The type of ArrayList callback function.
+ *
+ * @typedef { function } ArrayListReplaceCb
+ * @param { T } value - The current element being processed
+ * @param { int } index - The index of the current element
+ * @param { ArrayList<T> } arrlist - The ArrayList instance being traversed
+ * @returns { T } This callback does not return a value
+ * @syscap SystemCapability.Utils.Lang
+ * @atomicservice
+ * @since 20
+ * @arkts 1.2
+ */
+export type ArrayListReplaceCb<T> =  (value: T, index: int, arrlist: ArrayList<T>) => T;
 
 export default ArrayList;
diff --git a/api/@ohos.util.Deque.d.ts b/api/@ohos.util.Deque.d.ts
index 73f2f662e3..9b4fbfd0e5 100644
--- a/api/@ohos.util.Deque.d.ts
+++ b/api/@ohos.util.Deque.d.ts
@@ -101,14 +101,14 @@ declare class Deque<T> {
     /**
    * Gets the element number of the Deque.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
   /**
    * Inserts an element into the deque header.
    *
@@ -430,7 +430,7 @@ declare class Deque<T> {
   /**
    * Returns the byte at the specified index.
    *
-   * @param { number } index - The zero-based index of the desired code unit.
+   * @param { int } index - The zero-based index of the desired code unit.
    * @returns { T } The element in the deque matching the given index.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -438,12 +438,12 @@ declare class Deque<T> {
    * @since 20
    * @arkts 1.2
    */
-  $_get(index: number): T;
+  $_get(index: int): T;
 
   /**
    * Sets the byte at the specified index.
    *
-   * @param { number } index – The index of the element to set.
+   * @param { int } index – The index of the element to set.
    * @param { T } value – The value to set at the specified index.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -451,7 +451,7 @@ declare class Deque<T> {
    * @since 20
    * @arkts 1.2
    */
-  $_set(index: number, value: T): void;
+  $_set(index: int, value: T): void;
 
   /**
    * returns an iterator.Each item of the iterator is a Javascript Object
@@ -495,19 +495,19 @@ declare class Deque<T> {
   $_iterator(): IterableIterator<T>;
 }
 
-  /**
-   * The type of Deque forEach callback function.
-   *
-   * @typedef { function } DequeForEachCb
-   * @param { T } value - The current element being processed
-   * @param { number } index - The index of the current element
-   * @param { Deque<T> } deque - The Deque instance being traversed
-   * @returns { void } This callback does not return a value
-   * @syscap SystemCapability.Utils.Lang
-   * @atomicservice
-   * @since 20
-   * @arkts 1.2
-   */
-  export type DequeForEachCb<T> = (value: T, index: number, deque: Deque<T>) => void;
+/**
+ * The type of Deque forEach callback function.
+ *
+ * @typedef { function } DequeForEachCb
+ * @param { T } value - The current element being processed
+ * @param { int } index - The index of the current element
+ * @param { Deque<T> } deque - The Deque instance being traversed
+ * @returns { void } This callback does not return a value
+ * @syscap SystemCapability.Utils.Lang
+ * @atomicservice
+ * @since 20
+ * @arkts 1.2
+ */
+export type DequeForEachCb<T> = (value: T, index: int, deque: Deque<T>) => void;
 
 export default Deque;
diff --git a/api/@ohos.util.HashMap.d.ts b/api/@ohos.util.HashMap.d.ts
index d7d500dc18..ac14ee3aa6 100644
--- a/api/@ohos.util.HashMap.d.ts
+++ b/api/@ohos.util.HashMap.d.ts
@@ -98,14 +98,14 @@ declare class HashMap<K, V> {
     /**
    * Gets the element number of the HashMap.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
   /**
    * Returns whether the Map object contains elements
    *
diff --git a/api/@ohos.util.HashSet.d.ts b/api/@ohos.util.HashSet.d.ts
index 6607d94f10..cc171a9b40 100644
--- a/api/@ohos.util.HashSet.d.ts
+++ b/api/@ohos.util.HashSet.d.ts
@@ -95,14 +95,14 @@ declare class HashSet<T> {
     /**
    * Gets the element number of the HashSet.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
   /**
    * Returns whether the Set object contains elements
    *
diff --git a/api/@ohos.util.LightWeightMap.d.ts b/api/@ohos.util.LightWeightMap.d.ts
index 3433c11fcc..bf044729c6 100644
--- a/api/@ohos.util.LightWeightMap.d.ts
+++ b/api/@ohos.util.LightWeightMap.d.ts
@@ -95,14 +95,14 @@ declare class LightWeightMap<K, V> {
     /**
    * Gets the element number of the LightWeightMap.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
   /**
    * Returns whether this map has all the object in a specified map
    *
@@ -237,7 +237,7 @@ declare class LightWeightMap<K, V> {
    * Ensures that the capacity of an LightWeightMap container is greater than or equal to a specified value,
    * and that the container has all the original objects after capacity expansion
    *
-   * @param { number } minimumCapacity - minimumCapacity minimumCapacity Minimum capacity to be reserved
+   * @param { int } minimumCapacity - minimumCapacity minimumCapacity Minimum capacity to be reserved
    * @throws { BusinessError } 10200011 - The increaseCapacityTo method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
    * 1.Mandatory parameters are left unspecified;
@@ -248,7 +248,7 @@ declare class LightWeightMap<K, V> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  increaseCapacityTo(minimumCapacity: number): void;
+  increaseCapacityTo(minimumCapacity: int): void;
   /**
    * Returns a new Iterator object that contains the [key, value] pairs for each element in the Map object in insertion order
    *
@@ -346,7 +346,7 @@ declare class LightWeightMap<K, V> {
    * Obtains the index of the key equal to a specified key in an LightWeightMap container
    *
    * @param { K } key - key key Looking for goals
-   * @returns { number } Subscript corresponding to target
+   * @returns { int } Subscript corresponding to target
    * @throws { BusinessError } 10200011 - The getIndexOfKey method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -354,7 +354,7 @@ declare class LightWeightMap<K, V> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getIndexOfKey(key: K): number;
+  getIndexOfKey(key: K): int;
   /**
    * Obtains the index of the value equal to a specified value in an LightWeightMap container
    *
@@ -378,7 +378,7 @@ declare class LightWeightMap<K, V> {
    * Obtains the index of the value equal to a specified value in an LightWeightMap container
    *
    * @param { V } value - value value Looking for goals
-   * @returns { number } Subscript corresponding to target
+   * @returns { int } Subscript corresponding to target
    * @throws { BusinessError } 10200011 - The getIndexOfValue method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -386,7 +386,7 @@ declare class LightWeightMap<K, V> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getIndexOfValue(value: V): number;
+  getIndexOfValue(value: V): int;
   /**
    * Returns whether the Map object contains elements
    *
@@ -465,7 +465,7 @@ declare class LightWeightMap<K, V> {
   /**
    * Obtains the key at the location identified by index in an LightWeightMap container
    *
-   * @param { number } index - index index Target subscript for search
+   * @param { int } index - index index Target subscript for search
    * @returns { K | undefined } the key of key-value pairs or undefined
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @syscap SystemCapability.Utils.Lang
@@ -474,7 +474,7 @@ declare class LightWeightMap<K, V> {
    * @since 20
    * @arkts 1.2
    */
-  getKeyAt(index: number): K | undefined;
+  getKeyAt(index: int): K | undefined;
   /**
    * Obtains a ES6 iterator that contains all the keys of an LightWeightMap container
    *
@@ -650,7 +650,7 @@ declare class LightWeightMap<K, V> {
   /**
    * Deletes a key-value pair at the location identified by index from an LightWeightMap container
    *
-   * @param { number } index - index index Target subscript for search
+   * @param { int } index - index index Target subscript for search
    * @returns { boolean } the boolean type(Is there a delete value)
    * @throws { BusinessError } 10200011 - The removeAt method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
@@ -662,7 +662,7 @@ declare class LightWeightMap<K, V> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  removeAt(index: number): boolean;
+  removeAt(index: int): boolean;
   /**
    * Removes all of the mapping from this map
    * The map will be empty after this call returns
@@ -726,7 +726,7 @@ declare class LightWeightMap<K, V> {
   /**
    * Sets the value identified by index in an LightWeightMap container to a specified value
    *
-   * @param { number } index - index index Target subscript for search
+   * @param { int } index - index index Target subscript for search
    * @param { V } newValue - newValue value Updated the target mapped value
    * @returns { boolean } the boolean type(Is there a value corresponding to the subscript)
    * @throws { BusinessError } 10200011 - The setValueAt method cannot be bound.
@@ -741,7 +741,7 @@ declare class LightWeightMap<K, V> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  setValueAt(index: number, newValue: V): boolean;
+  setValueAt(index: int, newValue: V): boolean;
   /**
    * Executes the given callback function once for each real key in the map.
    * It does not perform functions on deleted keys.
@@ -929,7 +929,7 @@ declare class LightWeightMap<K, V> {
   /**
    * Obtains the value identified by index in an LightWeightMap container
    *
-   * @param { number } index - index index Target subscript for search
+   * @param { int } index - index index Target subscript for search
    * @returns { V | undefined } the value of key-value pairs or undefined
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @syscap SystemCapability.Utils.Lang
@@ -938,7 +938,7 @@ declare class LightWeightMap<K, V> {
    * @since 20
    * @arkts 1.2
    */
-  getValueAt(index: number): V | undefined;
+  getValueAt(index: int): V | undefined;
   /**
    * Returns an iterator of the values contained in this map
    *
diff --git a/api/@ohos.util.LightWeightSet.d.ts b/api/@ohos.util.LightWeightSet.d.ts
index cd20907d09..f3c655d6c9 100644
--- a/api/@ohos.util.LightWeightSet.d.ts
+++ b/api/@ohos.util.LightWeightSet.d.ts
@@ -96,14 +96,14 @@ declare class LightWeightSet<T> {
   /**
    * Gets the element number of the LightWeightSet.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
 
   /**
    * If the set does not contain the element, the specified element is added
@@ -305,7 +305,7 @@ declare class LightWeightSet<T> {
    * Ensures that the capacity of an LightWeightSet container is greater than or equal to a specified value,
    * and that the container has all the original objects after capacity expansion
    *
-   * @param { number } minimumCapacity Minimum capacity to be reserved
+   * @param { int } minimumCapacity Minimum capacity to be reserved
    * @throws { BusinessError } 10200011 - The increaseCapacityTo method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
    * 1.Mandatory parameters are left unspecified;
@@ -318,7 +318,7 @@ declare class LightWeightSet<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  increaseCapacityTo(minimumCapacity: number): void;
+  increaseCapacityTo(minimumCapacity: int): void;
   /**
    * Obtains the index of s key of a specified Object type in an LightWeightSet container
    *
@@ -342,7 +342,7 @@ declare class LightWeightSet<T> {
    * Obtains the index of s key of a specified Object type in an LightWeightSet container
    *
    * @param { T } key - key key Looking for goals
-   * @returns { number } Subscript corresponding to target
+   * @returns { int } Subscript corresponding to target
    * @throws { BusinessError } 10200011 - The getIndexOf method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -350,7 +350,7 @@ declare class LightWeightSet<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getIndexOf(key: T): number;
+  getIndexOf(key: T): int;
   /**
    * Deletes an object of a specified Object type from an LightWeightSet container
    *
@@ -424,7 +424,7 @@ declare class LightWeightSet<T> {
   /**
    * Deletes an object at the location identified by index from an LightWeightSet container
    *
-   * @param { number } index - index index Target subscript for search
+   * @param { int } index - index index Target subscript for search
    * @returns { boolean } the boolean type(Is there a delete value)
    * @throws { BusinessError } 10200011 - The removeAt method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
@@ -436,7 +436,7 @@ declare class LightWeightSet<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  removeAt(index: number): boolean;
+  removeAt(index: int): boolean;
   /**
    * Removes all of the mapping from this map
    * The map will be empty after this call returns
@@ -675,7 +675,7 @@ declare class LightWeightSet<T> {
   /**
    * Obtains the object at the location  identified by index in an LightWeightSet container
    *
-   * @param { number } index - index index Target subscript for search
+   * @param { int } index - index index Target subscript for search
    * @returns { T | undefined } the value at the specified index, or undefined if the index out of range
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -683,7 +683,7 @@ declare class LightWeightSet<T> {
    * @since 20
    * @arkts 1.2
    */
-  getValueAt(index: number): T | undefined;
+  getValueAt(index: int): T | undefined;
 
   /**
    * Returns a ES6 iterator of the values contained in this Set
diff --git a/api/@ohos.util.LinkedList.d.ts b/api/@ohos.util.LinkedList.d.ts
index 33c16b088f..6aeef690a8 100644
--- a/api/@ohos.util.LinkedList.d.ts
+++ b/api/@ohos.util.LinkedList.d.ts
@@ -102,14 +102,14 @@ declare class LinkedList<T> {
     /**
    * Gets the element number of the LinkedList.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
 
   /**
    * Appends the specified element to the end of this linkedlist.
@@ -175,7 +175,7 @@ declare class LinkedList<T> {
   /**
    * Inserts the specified element at the specified position in this linkedlist.
    *
-   * @param { number } index - index index index at which the specified element is to be inserted
+   * @param { int } index - index index index at which the specified element is to be inserted
    * @param { T } element - element element element to be inserted
    * @throws { BusinessError } 10200011 - The insert method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
@@ -189,7 +189,7 @@ declare class LinkedList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  insert(index: number, element: T): void;
+  insert(index: int, element: T): void;
   /**
    * Returns the element at the specified position in this linkedlist,
    * or returns undefined if this linkedlist is empty
@@ -238,7 +238,7 @@ declare class LinkedList<T> {
    * Returns the element at the specified position in this linkedList,
    * or returns undefined if this linkedList is empty
    *
-   * @param { number } index - specified position
+   * @param { int } index - specified position
    * @returns { T | undefined} the element at the specified index, or undefined if the index is out of range.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -246,7 +246,7 @@ declare class LinkedList<T> {
    * @since 20
    * @arkts 1.2
    */
-  get(index: number): T | undefined;
+  get(index: int): T | undefined;
 
   /**
    * Inserts the specified element at the beginning of this LinkedList.
@@ -425,7 +425,7 @@ declare class LinkedList<T> {
    * in this linkedlist, or -1 if this linkedlist does not contain the element.
    *
    * @param { T } element - element element element to be contained
-   * @returns { number } the number type ,returns the lowest index such that or -1 if there is no such index.
+   * @returns { int } the int type ,returns the lowest index such that or -1 if there is no such index.
    * @throws { BusinessError } 10200011 - The getIndexOf method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -433,7 +433,7 @@ declare class LinkedList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getIndexOf(element: T): number;
+  getIndexOf(element: T): int;
   /**
    * Find the corresponding element according to the index.
    *
@@ -487,7 +487,7 @@ declare class LinkedList<T> {
   /**
    * Find the corresponding element according to the index.
    *
-   * @param { number } index - the index in the linkedList
+   * @param { int } index - the index in the linkedList
    * @returns { T | undefined } the T type, if the index is
    * out of bounds (greater than or equal to length or less than 0), throw an exception
    * @throws { BusinessError } 10200001 - The value of "index" is out of range. It must be >= 0 && <= ${length}.
@@ -498,7 +498,7 @@ declare class LinkedList<T> {
    * @since 20
    * @arkts 1.2
    */
-  removeByIndex(index: number): T | undefined;
+  removeByIndex(index: int): T | undefined;
 
   /**
    * Removes the first occurrence of the specified element from this linkedlist,
@@ -652,7 +652,7 @@ declare class LinkedList<T> {
    * or -1 if the linkedlist does not contain the element.
    *
    * @param { T } element - element element element to find
-   * @returns { number } the number type
+   * @returns { int } the int type
    * @throws { BusinessError } 10200011 - The getLastIndexOf method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -660,7 +660,7 @@ declare class LinkedList<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getLastIndexOf(element: T): number;
+  getLastIndexOf(element: T): int;
   /**
    * Returns the first element (the item at index 0) of this linkedlist.
    * or returns undefined if linkedlist is empty
@@ -804,7 +804,7 @@ declare class LinkedList<T> {
   /**
    * Replaces the element at the specified position in this Vector with the specified element
    *
-   * @param { number } index - index index index to find
+   * @param { int } index - index index index to find
    * @param { T } element - element element replaced element
    * @returns { T | undefined } the T type ,returns undefined if linkedList is empty
    * @throws { BusinessError } 10200001 - The value of index is out of range.
@@ -817,7 +817,7 @@ declare class LinkedList<T> {
    * @since 20
    * @arkts 1.2
    */
-  set(index: number, element: T): T | undefined;
+  set(index: int, element: T): T | undefined;
 
   /**
    * Replaces each element of this linkedlist with the result of applying the operator to that element.
@@ -1028,7 +1028,7 @@ declare class LinkedList<T> {
  *
  * @typedef { function } LinkedListForEachCb
  * @param { T } value - The value of current element
- * @param { number } index - The index of current element
+ * @param { int } index - The index of current element
  * @param { LinkedList<T> } linkedList - The LinkedList instance being traversed
  * @returns { void } This callback does not return a value
  * @syscap SystemCapability.Utils.Lang
@@ -1036,6 +1036,6 @@ declare class LinkedList<T> {
  * @since 20
  * @arkts 1.2
  */
-export type LinkedListForEachCb<T> = (value: T, index: number, linkedList: LinkedList<T>) => void
+export type LinkedListForEachCb<T> = (value: T, index: int, linkedList: LinkedList<T>) => void
 
 export default LinkedList;
diff --git a/api/@ohos.util.List.d.ts b/api/@ohos.util.List.d.ts
index 47f59fa10d..80699062c5 100644
--- a/api/@ohos.util.List.d.ts
+++ b/api/@ohos.util.List.d.ts
@@ -99,14 +99,14 @@ declare class List<T> {
   /**
    * Gets the element number of the List.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
 
   /**
    * Appends the specified element to the end of this list.
@@ -173,7 +173,7 @@ declare class List<T> {
    * Inserts the specified element at the specified position in this list.
    *
    * @param { T } element - element element element to be inserted
-   * @param { number } index - index index index at which the specified element is to be inserted
+   * @param { int } index - index index index at which the specified element is to be inserted
    * @throws { BusinessError } 10200011 - The insert method cannot be bound.
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
@@ -186,7 +186,7 @@ declare class List<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  insert(element: T, index: number): void;
+  insert(element: T, index: int): void;
   /**
    * Returns the element at the specified position in this list,
    * or returns undefined if this list is empty
@@ -235,7 +235,7 @@ declare class List<T> {
    * Returns the element at the specified position in this list,
    * or returns undefined if this list is empty
    *
-   * @param { number } index - specified position
+   * @param { int } index - specified position
    * @returns { T | undefined} the element at the specified index, or undefined if the index is out of range.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -243,7 +243,7 @@ declare class List<T> {
    * @since 20
    * @arkts 1.2
    */
-  get(index: number): T | undefined;
+  get(index: int): T | undefined;
 
   /**
    * Check if list contains the specified element
@@ -303,7 +303,7 @@ declare class List<T> {
    * in this list, or -1 if this list does not contain the element.
    *
    * @param { T } element - element element element to be contained
-   * @returns { number } the number type ,returns the lowest index such that or -1 if there is no such index.
+   * @returns { int } the int type ,returns the lowest index such that or -1 if there is no such index.
    * @throws { BusinessError } 10200011 - The getIndexOf method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -311,7 +311,7 @@ declare class List<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getIndexOf(element: T): number;
+  getIndexOf(element: T): int;
   /**
    * Find the corresponding element according to the index.
    *
@@ -362,7 +362,7 @@ declare class List<T> {
   /**
    * Find the corresponding element according to the index.
    *
-   * @param { number } index - the index in the linkedList
+   * @param { int } index - the index in the linkedList
    * @returns { T | undefined } the T type, if the index is
    * out of bounds (greater than or equal to length or less than 0), throw an exception
    * @throws { BusinessError } 10200001 - The value of "index" is out of range. It must be >= 0 && <= ${length - 1}.
@@ -373,7 +373,7 @@ declare class List<T> {
    * @since 20
    * @arkts 1.2
    */
-  removeByIndex(index: number): T | undefined;
+  removeByIndex(index: int): T | undefined;
 
   /**
    * Removes the first occurrence of the specified element from this list,
@@ -439,7 +439,7 @@ declare class List<T> {
    * or -1 if the list does not contain the element.
    *
    * @param { T } element - element element element to find
-   * @returns { number } the number type
+   * @returns { int } the int type
    * @throws { BusinessError } 10200011 - The getLastIndexOf method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -447,7 +447,7 @@ declare class List<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getLastIndexOf(element: T): number;
+  getLastIndexOf(element: T): int;
   /**
    * Returns the first element (the item at index 0) of this list.
    * or returns undefined if list is empty
@@ -586,7 +586,7 @@ declare class List<T> {
   /**
    * Replaces the element at the specified position in this List with the specified element
    *
-   * @param { number } index - index to find
+   * @param { int } index - index to find
    * @param { T } element - replaced element
    * @returns { T | undefined } the T type, returns undefined if linkedList is empty
    * @throws { BusinessError } 10200001 - The value of "index" is out of range. It must be >= 0 && <= ${length - 1}.
@@ -597,7 +597,7 @@ declare class List<T> {
    * @since 20
    * @arkts 1.2
    */
-  set(index: number, element: T): T | undefined;
+  set(index: int, element: T): T | undefined;
   /**
    * Compares the specified object with this list for equality.if the object are the same as this list
    * return true, otherwise return false.
@@ -744,10 +744,28 @@ declare class List<T> {
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
-   * @since arkts {'1.1':'12', '1.2':'20'}
-   * @arkts 1.1&1.2
+   * @since 12
    */
   sort(comparator: (firstValue: T, secondValue: T) => number): void;
+  /**
+   * Sorts this list according to the order induced by the specified comparator
+   *
+   * @param { ComparatorFn<T> } [comparator] - comparator
+   * comparator (required) A function that accepts up to two arguments.
+   * Specifies the sort order. Must be a function,return number type,If it returns firstValue
+   * minus secondValue, it returns an list sorted in ascending order;If it returns secondValue
+   * minus firstValue, it returns an list sorted in descending order;
+   * @throws { BusinessError } 401 - Parameter error. Possible causes:
+   * 1.Mandatory parameters are left unspecified;
+   * 2.Incorrect parameter types.
+   * @throws { BusinessError } 10200011 - The sort method cannot be bound.
+   * @syscap SystemCapability.Utils.Lang
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.2
+   */
+  sort(comparator?: ComparatorFn<T>): void;
   /**
    * Removes all of the elements from this list.The list will
    * be empty after this call returns.length becomes 0
@@ -809,8 +827,8 @@ declare class List<T> {
   /**
    * Returns a view of the portion of this list between the specified fromIndex,inclusive,and toIndex,exclusive
    *
-   * @param { number } fromIndex - fromIndex fromIndex The starting position of the index, containing the value at that index position
-   * @param { number } toIndex - toIndex toIndex the end of the index, excluding the value at that index
+   * @param { int } fromIndex - fromIndex fromIndex The starting position of the index, containing the value at that index position
+   * @param { int } toIndex - toIndex toIndex the end of the index, excluding the value at that index
    * @returns { List<T> }
    * @throws { BusinessError } 10200011 - The getSubList method cannot be bound.
    * @throws { BusinessError } 10200001 - The value of fromIndex or toIndex is out of range.
@@ -823,7 +841,7 @@ declare class List<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getSubList(fromIndex: number, toIndex: number): List<T>;
+  getSubList(fromIndex: int, toIndex: int): List<T>;
   /**
    * Replaces each element of this list with the result of applying the operator to that element.
    *
@@ -950,7 +968,7 @@ declare class List<T> {
   /**
      * Returns the item at that index
      *
-     * @param { number } index - the zero-based index of the desired code unit.
+     * @param { int } index - the zero-based index of the desired code unit.
      * @returns { T | undefined } the element in the list matching the given index,
      * or undefined if the index is out of range.
      * @syscap SystemCapability.Utils.Lang
@@ -959,12 +977,12 @@ declare class List<T> {
      * @since 20
      * @arkts 1.2
      */
-    $_get(index: number): T | undefined;
+    $_get(index: int): T | undefined;
 
     /**
      * Set the value of item at that index.
      *
-     * @param { number } index – the index of the element to set.
+     * @param { int } index – the index of the element to set.
      * @param { T } value – the value to set at the specified index
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
@@ -972,7 +990,7 @@ declare class List<T> {
      * @since 20
      * @arkts 1.2
      */
-    $_set(index: number, value: T): void;
+    $_set(index: int, value: T): void;
   /**
    * returns an iterator.Each item of the iterator is a Javascript Object
    *
@@ -1015,13 +1033,26 @@ declare class List<T> {
   $_iterator(): IterableIterator<T>;
 
 }
-
+/**
+ * This type specifies the comparator of sort in comparation.
+ *
+ * @typedef { function } ComparatorFn
+ * @param { T } firstValue - firstValue (required) previous element.
+ * @param { T } secondValue - secondValue (required) next element.
+ * @returns { double } the number type
+ * @syscap SystemCapability.Utils.Lang
+ * @crossplatform
+ * @atomicservice
+ * @since 20
+ * @arkts 1.2
+ */
+export type ComparatorFn<T> = (firstValue: T, secondValue: T) => double;
 /**
  * The type of List callback function.
  *
  * @typedef { function } ListForEachCb
  * @param { T } value - The value of current element
- * @param { number } index - The index of current element
+ * @param { int } index - The index of current element
  * @param { List<T> } list - The List instance being traversed
  * @returns { void } This callback does not return a value
  * @syscap SystemCapability.Utils.Lang
@@ -1029,14 +1060,14 @@ declare class List<T> {
  * @since 20
  * @arkts 1.2
  */
-export type ListForEachCb<T> = (value: T, index: number, list: List<T>) => void
+export type ListForEachCb<T> = (value: T, index: int, list: List<T>) => void
 
 /**
  * The type of List callback function.
  *
  * @typedef { function } LinkedListForEachCb
  * @param { T } value - The old value of current element
- * @param { number } index - The index of current element
+ * @param { int } index - The index of current element
  * @param { List<T> } list - The List instance being traversed
  * @returns { T } - The new value of current element
  * @syscap SystemCapability.Utils.Lang
@@ -1044,6 +1075,6 @@ export type ListForEachCb<T> = (value: T, index: number, list: List<T>) => void
  * @since 20
  * @arkts 1.2
  */
-export type ListReplaceCb<T> = (value: T, index: number, list: List<T>) => T
+export type ListReplaceCb<T> = (value: T, index: int, list: List<T>) => T
 
 export default List;
diff --git a/api/@ohos.util.PlainArray.d.ts b/api/@ohos.util.PlainArray.d.ts
index d6c40f936a..a4a9138e41 100644
--- a/api/@ohos.util.PlainArray.d.ts
+++ b/api/@ohos.util.PlainArray.d.ts
@@ -99,14 +99,14 @@ declare class PlainArray<T> {
   /**
    * Gets the element number of the PlainArray.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
 
   /**
    * Appends a key-value pair to PlainArray
@@ -136,7 +136,7 @@ declare class PlainArray<T> {
   /**
    * Appends a key-value pair to PlainArray
    *
-   * @param { number } key - key key Added the key of key-value
+   * @param { int } key - key key Added the key of key-value
    * @param { T } value - value value Added the value of key-value
    * @throws { BusinessError } 10200011 - The add method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
@@ -148,7 +148,7 @@ declare class PlainArray<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  add(key: number, value: T): void;
+  add(key: int, value: T): void;
   /**
    * Clears the current PlainArray object
    *
@@ -232,7 +232,7 @@ declare class PlainArray<T> {
   /**
    * Checks whether the current PlainArray object contains the specified key
    *
-   * @param { number } key - key key need to determine whether to include the key
+   * @param { int } key - key key need to determine whether to include the key
    * @returns { boolean } the boolean type
    * @throws { BusinessError } 10200011 - The has method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
@@ -244,7 +244,7 @@ declare class PlainArray<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  has(key: number): boolean;
+  has(key: int): boolean;
   /**
    * Queries the value associated with the specified key
    *
@@ -289,7 +289,7 @@ declare class PlainArray<T> {
   /**
    * Queries the value associated with the specified key
    *
-   * @param { number } key - looking for goals
+   * @param { int } key - looking for goals
    * @returns { T | undefined } the value of key-value pairs
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @syscap SystemCapability.Utils.Lang
@@ -298,7 +298,7 @@ declare class PlainArray<T> {
    * @since 20
    * @arkts 1.2
    */
-  get(key: number): T | undefined;
+  get(key: int): T | undefined;
 
   /**
    * Queries the index for a specified key
@@ -328,8 +328,8 @@ declare class PlainArray<T> {
   /**
    * Queries the index for a specified key
    *
-   * @param { number } key - key key Looking for goals
-   * @returns { number } Subscript corresponding to target
+   * @param { int } key - key key Looking for goals
+   * @returns { int } Subscript corresponding to target
    * @throws { BusinessError } 10200011 - The getIndexOfKey method cannot be bound.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
    * 1.Mandatory parameters are left unspecified;
@@ -340,7 +340,7 @@ declare class PlainArray<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getIndexOfKey(key: number): number;
+  getIndexOfKey(key: int): int;
   /**
    * Queries the index for a specified value
    *
@@ -364,7 +364,7 @@ declare class PlainArray<T> {
    * Queries the index for a specified value
    *
    * @param { T } value - value value Looking for goals
-   * @returns { number } Subscript corresponding to target
+   * @returns { int } Subscript corresponding to target
    * @throws { BusinessError } 10200011 - The getIndexOfValue method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -372,7 +372,7 @@ declare class PlainArray<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getIndexOfValue(value: T): number;
+  getIndexOfValue(value: T): int;
   /**
    * Checks whether the current PlainArray object is empty
    *
@@ -499,7 +499,7 @@ declare class PlainArray<T> {
   /**
    * Remove the key-value pair based on a specified key if it exists and return the value
    *
-   * @param { number } key - target to be deleted
+   * @param { int } key - target to be deleted
    * @returns { T | undefined } target mapped value, or undefined if key is not exist
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @syscap SystemCapability.Utils.Lang
@@ -508,7 +508,7 @@ declare class PlainArray<T> {
    * @since 20
    * @arkts 1.2
    */
-  remove(key: number): T | undefined;
+  remove(key: int): T | undefined;
 
   /**
    * Remove the key-value pair at a specified index if it exists and return the value
@@ -554,7 +554,7 @@ declare class PlainArray<T> {
   /**
    * Remove the key-value pair at a specified index if it exists and return the value
    *
-   * @param { number } index - target subscript for search
+   * @param { int } index - target subscript for search
    * @returns { T | undefined } the T type, or undefined if container is empty
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @syscap SystemCapability.Utils.Lang
@@ -563,7 +563,7 @@ declare class PlainArray<T> {
    * @since 20
    * @arkts 1.2
    */
-  removeAt(index: number): T | undefined;
+  removeAt(index: int): T | undefined;
 
   /**
    * Remove a group of key-value pairs from a specified index
@@ -597,9 +597,9 @@ declare class PlainArray<T> {
   /**
    * Remove a group of key-value pairs from a specified index
    *
-   * @param { number } index - index index remove start index
-   * @param { number } size - size size Expected deletion quantity
-   * @returns { number } Actual deleted quantity
+   * @param { int } index - index index remove start index
+   * @param { int } size - size size Expected deletion quantity
+   * @returns { int } Actual deleted quantity
    * @throws { BusinessError } 10200011 - The removeRangeFrom method cannot be bound.
    * @throws { BusinessError } 10200001 - The value of index is out of range.
    * @throws { BusinessError } 401 - Parameter error. Possible causes:
@@ -611,7 +611,7 @@ declare class PlainArray<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  removeRangeFrom(index: number, size: number): number;
+  removeRangeFrom(index: int, size: int): int;
   /**
    * Update value on specified index
    *
@@ -642,7 +642,7 @@ declare class PlainArray<T> {
   /**
    * Update value on specified index
    *
-   * @param { number } index - index index Target subscript for search
+   * @param { int } index - index index Target subscript for search
    * @param { T } value - value value Updated the target mapped value
    * @throws { BusinessError } 10200011 - The setValueAt method cannot be bound.
    * @throws { BusinessError } 10200001 - The value of index is out of range.
@@ -655,7 +655,7 @@ declare class PlainArray<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  setValueAt(index: number, value: T): void;
+  setValueAt(index: int, value: T): void;
   /**
    * Obtains the string representation of the PlainArray object
    *
@@ -715,7 +715,7 @@ declare class PlainArray<T> {
   /**
    * Queries the value at a specified index
    *
-   * @param { number } index - index index Target subscript for search
+   * @param { int } index - index index Target subscript for search
    * @returns { T } the value of key-value pairs
    * @throws { BusinessError } 10200011 - The getValueAt method cannot be bound.
    * @throws { BusinessError } 10200001 - The value of index is out of range.
@@ -728,7 +728,7 @@ declare class PlainArray<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  getValueAt(index: number): T;
+  getValueAt(index: int): T;
   /**
    * Executes a provided function once for each value in the PlainArray object.
    *
@@ -826,14 +826,14 @@ declare class PlainArray<T> {
   /**
    * returns an iterator. Each item of the iterator is a ArkTS Object
    *
-   * @returns { IterableIterator<[number, T]> }
+   * @returns { IterableIterator<[double, T]> }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  $_iterator(): IterableIterator<[number, T]>;
+  $_iterator(): IterableIterator<[double, T]>;
 
 }
 
@@ -842,7 +842,7 @@ declare class PlainArray<T> {
  *
  * @typedef { function } PlainArrayForEachCb
  * @param { T } value - The value of current element
- * @param { number } key - The key of current element
+ * @param { int } key - The key of current element
  * @param { PlainArray<T> } PlainArray - The PlainArray instance being traversed
  * @returns { void } This callback does not return a value
  * @syscap SystemCapability.Utils.Lang
@@ -850,6 +850,6 @@ declare class PlainArray<T> {
  * @since 20
  * @arkts 1.2
  */
-export type PlainArrayForEachCb<T> = (value: T, key: number, PlainArray: PlainArray<T>) => void
+export type PlainArrayForEachCb<T> = (value: T, key: int, PlainArray: PlainArray<T>) => void
 
 export default PlainArray;
diff --git a/api/@ohos.util.Queue.d.ts b/api/@ohos.util.Queue.d.ts
index 90724be60b..94a1a476bc 100644
--- a/api/@ohos.util.Queue.d.ts
+++ b/api/@ohos.util.Queue.d.ts
@@ -102,14 +102,14 @@ declare class Queue<T> {
   /**
    * Gets the element number of the Queue.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
 
   /**
    * Inserting specified element at the end of a queue if it is possible to do
@@ -341,7 +341,7 @@ declare class Queue<T> {
  *
  * @typedef { function } QueueForEachCb
  * @param { T } value - The value of current element
- * @param { number } index - The key of current element
+ * @param { int } index - The key of current element
  * @param { Queue<T> } queue - The Queue instance being traversed
  * @returns { void } This callback does not return a value
  * @syscap SystemCapability.Utils.Lang
@@ -349,6 +349,6 @@ declare class Queue<T> {
  * @since 20
  * @arkts 1.2
  */
-export type QueueForEachCb<T> = (value: T, index: number, queue: Queue<T>) => void
+export type QueueForEachCb<T> = (value: T, index: int, queue: Queue<T>) => void
 
 export default Queue;
diff --git a/api/@ohos.util.Stack.d.ts b/api/@ohos.util.Stack.d.ts
index 1e76aa0578..527c732d4d 100644
--- a/api/@ohos.util.Stack.d.ts
+++ b/api/@ohos.util.Stack.d.ts
@@ -99,14 +99,14 @@ declare class Stack<T> {
   /**
    * Gets the element number of the Stack.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
 
   /**
    * Tests if this stack is empty
@@ -282,7 +282,7 @@ declare class Stack<T> {
    * Returns the 1-based position where an object is on this stack
    *
    * @param { T } element - element element Target to be deleted
-   * @returns { number } the T type,If there is no such element, return -1
+   * @returns { int } the T type,If there is no such element, return -1
    * @throws { BusinessError } 10200011 - The locate method cannot be bound.
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
@@ -290,7 +290,7 @@ declare class Stack<T> {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  locate(element: T): number;
+  locate(element: T): int;
   /**
    * Executes a provided function once for each value in the Stack object.
    *
@@ -404,7 +404,7 @@ declare class Stack<T> {
  *
  * @typedef { function } StackForEachCb
  * @param { T } value - The value of current element
- * @param { number } index - The key of current element
+ * @param { int } index - The key of current element
  * @param { Stack<T> } stack - The Stack instance being traversed
  * @returns { void } This callback does not return a value
  * @syscap SystemCapability.Utils.Lang
@@ -412,6 +412,6 @@ declare class Stack<T> {
  * @since 20
  * @arkts 1.2
  */
-export type StackForEachCb<T> = (value: T, index: number, stack: Stack<T>) => void
+export type StackForEachCb<T> = (value: T, index: int, stack: Stack<T>) => void
 
 export default Stack;
diff --git a/api/@ohos.util.TreeMap.d.ts b/api/@ohos.util.TreeMap.d.ts
index abd92fe674..3108795a45 100644
--- a/api/@ohos.util.TreeMap.d.ts
+++ b/api/@ohos.util.TreeMap.d.ts
@@ -136,14 +136,14 @@ declare class TreeMap<K, V> {
   /**
    * Gets the element number of the TreeMap.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
 
   /**
    * Returns whether the Map object contains elements
@@ -879,12 +879,12 @@ export type TreeMapForEachCb<K, V> = (value: V, key: K, map: TreeMap<K, V>) => v
  * @typedef { function } TreeMapComparator
  * @param { K } firstValue - The first value compared
  * @param { K } secondValue - The second value compared
- * @returns { number } - Comparison results
+ * @returns { double } - Comparison results
  * @syscap SystemCapability.Utils.Lang
  * @atomicservice
  * @since 20
  * @arkts 1.2
  */
-export type TreeMapComparator<K> = (firstValue: K, secondValue: K) => number
+export type TreeMapComparator<K> = (firstValue: K, secondValue: K) => double
 
 export default TreeMap;
diff --git a/api/@ohos.util.TreeSet.d.ts b/api/@ohos.util.TreeSet.d.ts
index 234c1885de..3c44055c59 100644
--- a/api/@ohos.util.TreeSet.d.ts
+++ b/api/@ohos.util.TreeSet.d.ts
@@ -133,14 +133,14 @@ declare class TreeSet<T> {
   /**
    * Gets the element number of the TreeSet.
    *
-   * @type { number }
+   * @type { int }
    * @syscap SystemCapability.Utils.Lang
    * @crossplatform
    * @atomicservice
    * @since 20
    * @arkts 1.2
    */
-  get length(): number;
+  get length(): int;
 
   /**
    * Returns whether the Set object contains elements
@@ -773,12 +773,12 @@ export type TreeSetForEachCb<T> = (value: T, key: T, set: TreeSet<T>) => void
  * @typedef { function } TreeSetComparator
  * @param { T } firstValue - The first value compared
  * @param { T } secondValue - The second value compared
- * @returns { number } - Comparison results
+ * @returns { double } - Comparison results
  * @syscap SystemCapability.Utils.Lang
  * @atomicservice
  * @since 20
  * @arkts 1.2
  */
-export type TreeSetComparator<T> = (firstValue: T, secondValue: T) => number
+export type TreeSetComparator<T> = (firstValue: T, secondValue: T) => double
 
 export default TreeSet;
-- 
Gitee