diff --git a/api/@ohos.util.stream.d.ts b/api/@ohos.util.stream.d.ts
index 226fdfb290673f1a151f1aa72a7f019633bbc936..a684f219f6c5ae83d4e9899191502c6ebf64b252 100644
--- a/api/@ohos.util.stream.d.ts
+++ b/api/@ohos.util.stream.d.ts
@@ -294,61 +294,25 @@ declare namespace stream {
      * Returns boolean indicating whether it is in ObjectMode.
      *
      * @type { boolean }
-     * @readonly
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 12
-     */
-    readonly writableObjectMode: boolean;
-
-    /**
-     * Returns boolean indicating whether it is in ObjectMode.
-     *
-     * @type { boolean }
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get writableObjectMode(): boolean;
 
     /**
      * Value of highWatermark.
      *
-     * @type { number }
-     * @readonly
+     * @type { int }
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 12
-     */
-    readonly writableHighWatermark: number;
-
-    /**
-     * Value of highWatermark.
-     *
-     * @type { number }
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 20
-     * @arkts 1.2
-     */
-    get writableHighWatermark(): number;
-
-    /**
-     * Is true if it is safe to call writable.write(), which means the stream has not been destroyed, error or end.
-     *
-     * @type { boolean }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    readonly writable: boolean;
+    get writableHighWatermark(): int;
 
     /**
      * Is true if it is safe to call writable.write(), which means the stream has not been destroyed, error or end.
@@ -357,70 +321,34 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get writable(): boolean;
 
     /**
      * Size of data that can be flushed, in bytes or objects.
      *
-     * @type { number }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly writableLength: number;
-
-    /**
-     * Size of data that can be flushed, in bytes or objects.
-     *
-     * @type { number }
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 20
-     * @arkts 1.2
-     */
-    get writableLength(): number;
-
-    /**
-     * Number of times writable.uncork() needs to be called in order to fully uncork the stream.
-     *
-     * @type { number }
-     * @readonly
+     * @type { int }
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    readonly writableCorked: number;
+    get writableLength(): int;
 
     /**
      * Number of times writable.uncork() needs to be called in order to fully uncork the stream.
      *
-     * @type { number }
+     * @type { int }
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
-     */
-    get writableCorked(): number;
-
-    /**
-     * Whether Writable.end has been called.
-     *
-     * @type { boolean }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    readonly writableEnded: boolean;
+    get writableCorked(): int;
 
     /**
      * Whether Writable.end has been called.
@@ -429,23 +357,11 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get writableEnded(): boolean;
 
-    /**
-     * Whether Writable.end has been called and all buffers have been flushed.
-     *
-     * @type { boolean }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly writableFinished: boolean;
-
     /**
      * Whether Writable.end has been called and all buffers have been flushed.
      *
@@ -453,8 +369,8 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get writableFinished(): boolean;
   }
@@ -518,7 +434,7 @@ declare namespace stream {
      * Reads a buffer of a specified size from the buffer. If the available buffer is sufficient, the result
      * of the specified size is returned. Otherwise, if Readable has ended, all remaining buffers are returned.
      *
-     * @param { number } [size] - Expected length of the data to be read.
+     * @param { int } [size] - Expected length of the data to be read.
      * @returns { buffer.Buffer | string | null } If no data is available to read, null is returned.
      * @throws { BusinessError } 401 - Parameter error. Possible causes:
      *     1.Mandatory parameters are left unspecified;
@@ -531,7 +447,7 @@ declare namespace stream {
      * @since 20
      * @arkts 1.2
      */
-    read(size?: number): buffer.Buffer | string | null;
+    read(size?: int): buffer.Buffer | string | null;
 
     /**
      * Switch Readable to Streaming Mode.
@@ -698,7 +614,7 @@ declare namespace stream {
      * After data production, Readable.push should be called to push the produced data into the buffer.
      * If push is not called, doRead will not be called again.
      * 
-     * @param { number } size - Expected length of the data to be read.
+     * @param { int } size - Expected length of the data to be read.
      * @throws { BusinessError } 401 - Parameter error. Possible causes:
      *     1.Mandatory parameters are left unspecified;
      *     2.Incorrect parameter types;
@@ -709,7 +625,7 @@ declare namespace stream {
      * @since arkts {'1.1':'12', '1.2':'20'}
      * @arkts 1.1&1.2
      */
-    doRead(size: number): void;
+    doRead(size: int): void;
 
     /**
      * Adds the generated data to the buffer. The return value indicates whether the data in the buffer has not
@@ -730,18 +646,6 @@ declare namespace stream {
      */
     push(chunk: Uint8Array | string | null, encoding?: string): boolean;
 
-    /**
-     * Returns boolean indicating whether it is in ObjectMode.
-     *
-     * @type { boolean }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly readableObjectMode: boolean;
-
     /**
      * Returns boolean indicating whether it is in ObjectMode.
      *
@@ -749,24 +653,11 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get readableObjectMode(): boolean;
 
-    /**
-     * Is true if it is safe to call readable.read(), which means
-     * the stream has not been destroyed or emitted 'error' or 'end'.
-     *
-     * @type { boolean }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly readable: boolean;
-
     /**
      * Is true if it is safe to call readable.read(), which means
      * the stream has not been destroyed or emitted 'error' or 'end'.
@@ -775,46 +666,22 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get readable(): boolean;
 
     /**
      * Returns the value of highWatermark passed when creating this Readable.
      *
-     * @type { number }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly readableHighWatermark: number;
-
-    /**
-     * Returns the value of highWatermark passed when creating this Readable.
-     *
-     * @type { number }
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 20
-     * @arkts 1.2
-     */
-    get readableHighWatermark(): number;
-
-    /**
-     * This property reflects the current state of the readable stream null/true/false.
-     *
-     * @type { boolean | null }
-     * @readonly
+     * @type { int }
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    readonly readableFlowing: boolean | null;
+    get readableHighWatermark(): int;
 
     /**
      * This property reflects the current state of the readable stream null/true/false.
@@ -823,47 +690,22 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get readableFlowing(): boolean | null;
 
     /**
      * Size of the data that can be read, in bytes or objects.
      *
-     * @type { number }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly readableLength: number;
-
-    /**
-     * Size of the data that can be read, in bytes or objects.
-     *
-     * @type { number }
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 20
-     * @arkts 1.2
-     */
-    get readableLength(): number;
-
-    /**
-     * Getter for the property encoding of a given Readable stream. The encoding property can be set using the
-     * readable.setEncoding() method.
-     *
-     * @type { string | null }
-     * @readonly
+     * @type { int }
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    readonly readableEncoding: string | null;
+    get readableLength(): int;
 
     /**
      * Getter for the property encoding of a given Readable stream. The encoding property can be set using the
@@ -873,23 +715,11 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get readableEncoding(): string | null;
 
-    /**
-     * Whether all data has been generated.
-     *
-     * @type { boolean }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly readableEnded: boolean;
-
     /**
      * Whether all data has been generated.
      *
@@ -897,8 +727,8 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get readableEnded(): boolean;
   }
@@ -1049,18 +879,6 @@ declare namespace stream {
      */
     doWritev(chunks: string[] | Uint8Array[], callback: Function): void;
 
-    /**
-     * Returns boolean indicating whether it is in ObjectMode.
-     *
-     * @type { boolean }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly writableObjectMode: boolean;
-
     /**
      * Returns boolean indicating whether it is in ObjectMode.
      *
@@ -1068,46 +886,22 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get writableObjectMode(): boolean;
 
     /**
      * Value of highWatermark.
      *
-     * @type { number }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly writableHighWatermark: number;
-
-    /**
-     * Value of highWatermark.
-     *
-     * @type { number }
+     * @type { int }
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
-     */
-    get writableHighWatermark(): number;
-
-    /**
-     * Is true if it is safe to call writable.write(), which means the stream has not been destroyed, error or end.
-     *
-     * @type { boolean }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    readonly writable: boolean;
+    get writableHighWatermark(): int;
 
     /**
      * Is true if it is safe to call writable.write(), which means the stream has not been destroyed, error or end.
@@ -1116,70 +910,34 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get writable(): boolean;
 
     /**
      * Size of data that can be flushed, in bytes or objects.
      *
-     * @type { number }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly writableLength: number;
-
-    /**
-     * Size of data that can be flushed, in bytes or objects.
-     *
-     * @type { number }
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 20
-     * @arkts 1.2
-     */
-    get writableLength(): number;
-
-    /**
-     * Number of times writable.uncork() needs to be called in order to fully uncork the stream.
-     *
-     * @type { number }
-     * @readonly
+     * @type { int }
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    readonly writableCorked: number;
+    get writableLength(): int;
 
     /**
      * Number of times writable.uncork() needs to be called in order to fully uncork the stream.
      *
-     * @type { number }
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 20
-     * @arkts 1.2
-     */
-    get writableCorked(): number;
-
-    /**
-     * Whether Writable.end has been called.
-     *
-     * @type { boolean }
-     * @readonly
+     * @type { int }
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 12
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    readonly writableEnded: boolean;
+    get writableCorked(): int;
 
     /**
      * Whether Writable.end has been called.
@@ -1188,23 +946,11 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get writableEnded(): boolean;
 
-    /**
-     * Whether Writable.end has been called and all buffers have been flushed.
-     *
-     * @type { boolean }
-     * @readonly
-     * @syscap SystemCapability.Utils.Lang
-     * @crossplatform
-     * @atomicservice
-     * @since 12
-     */
-    readonly writableFinished: boolean;
-
     /**
      * Whether Writable.end has been called and all buffers have been flushed.
      *
@@ -1212,8 +958,8 @@ declare namespace stream {
      * @syscap SystemCapability.Utils.Lang
      * @crossplatform
      * @atomicservice
-     * @since 20
-     * @arkts 1.2
+     * @since arkts {'1.1':'12', '1.2':'20'}
+     * @arkts 1.1&1.2
      */
     get writableFinished(): boolean;
   }