diff --git a/sample/CreateBucketDataRedundancyTransition.php b/sample/CreateBucketDataRedundancyTransition.php
new file mode 100644
index 0000000..e5a51ba
--- /dev/null
+++ b/sample/CreateBucketDataRedundancyTransition.php
@@ -0,0 +1,47 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use AlibabaCloud\Oss\V2 as Oss;
+
+// parse args
+$optsdesc = [
+    "region" => ['help' => 'The region in which the bucket is located.', 'required' => True],
+    "endpoint" => ['help' => 'The domain names that other services can use to access OSS.', 'required' => False],
+    "bucket" => ['help' => 'The name of the bucket', 'required' => True],
+];
+$longopts = \array_map(function ($key) {
+    return "$key:";
+}, array_keys($optsdesc));
+$options = getopt("", $longopts);
+foreach ($optsdesc as $key => $value) {
+    if ($value['required'] === True && empty($options[$key])) {
+        $help = $value['help'];
+        echo "Error: the following arguments are required: --$key, $help";
+        exit(1);
+    }
+}
+
+$region = $options["region"];
+$bucket = $options["bucket"];
+
+// Loading credentials values from the environment variables
+$credentialsProvider = new Oss\Credentials\EnvironmentVariableCredentialsProvider();
+
+// Using the SDK's default configuration
+$cfg = Oss\Config::loadDefault();
+$cfg->setCredentialsProvider($credentialsProvider);
+$cfg->setRegion($region);
+if (isset($options["endpoint"])) {
+    $cfg->setEndpoint($options["endpoint"]);
+}
+
+$client = new Oss\Client($cfg);
+$request = new Oss\Models\CreateBucketDataRedundancyTransitionRequest($bucket, 'ZRS');
+$result = $client->createBucketDataRedundancyTransition($request);
+
+printf(
+    'status code:' . $result->statusCode . PHP_EOL .
+    'request id:' . $result->requestId . PHP_EOL .
+    'task id:' . $result->bucketDataRedundancyTransition->taskId
+);
\ No newline at end of file
diff --git a/sample/DeleteBucketDataRedundancyTransition.php b/sample/DeleteBucketDataRedundancyTransition.php
new file mode 100644
index 0000000..c26cad7
--- /dev/null
+++ b/sample/DeleteBucketDataRedundancyTransition.php
@@ -0,0 +1,47 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use AlibabaCloud\Oss\V2 as Oss;
+
+// parse args
+$optsdesc = [
+    "region" => ['help' => 'The region in which the bucket is located.', 'required' => True],
+    "endpoint" => ['help' => 'The domain names that other services can use to access OSS.', 'required' => False],
+    "bucket" => ['help' => 'The name of the bucket', 'required' => True],
+    "task-id" => ['help' => 'The Id of the redundancy change task.', 'required' => True],
+];
+$longopts = \array_map(function ($key) {
+    return "$key:";
+}, array_keys($optsdesc));
+$options = getopt("", $longopts);
+foreach ($optsdesc as $key => $value) {
+    if ($value['required'] === True && empty($options[$key])) {
+        $help = $value['help'];
+        echo "Error: the following arguments are required: --$key, $help";
+        exit(1);
+    }
+}
+
+$region = $options["region"];
+$bucket = $options["bucket"];
+$taskId = $options["task-id"];
+// Loading credentials values from the environment variables
+$credentialsProvider = new Oss\Credentials\EnvironmentVariableCredentialsProvider();
+
+// Using the SDK's default configuration
+$cfg = Oss\Config::loadDefault();
+$cfg->setCredentialsProvider($credentialsProvider);
+$cfg->setRegion($region);
+if (isset($options["endpoint"])) {
+    $cfg->setEndpoint($options["endpoint"]);
+}
+
+$client = new Oss\Client($cfg);
+$request = new Oss\Models\DeleteBucketDataRedundancyTransitionRequest($bucket, $taskId);
+$result = $client->deleteBucketDataRedundancyTransition($request);
+
+printf(
+    'status code:' . $result->statusCode . PHP_EOL .
+    'request id:' . $result->requestId
+);
\ No newline at end of file
diff --git a/sample/GetBucketDataRedundancyTransition.php b/sample/GetBucketDataRedundancyTransition.php
new file mode 100644
index 0000000..5282fbc
--- /dev/null
+++ b/sample/GetBucketDataRedundancyTransition.php
@@ -0,0 +1,48 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use AlibabaCloud\Oss\V2 as Oss;
+
+// parse args
+$optsdesc = [
+    "region" => ['help' => 'The region in which the bucket is located.', 'required' => True],
+    "endpoint" => ['help' => 'The domain names that other services can use to access OSS.', 'required' => False],
+    "bucket" => ['help' => 'The name of the bucket', 'required' => True],
+    "task-id" => ['help' => 'The Id of the redundancy change task.', 'required' => True],
+];
+$longopts = \array_map(function ($key) {
+    return "$key:";
+}, array_keys($optsdesc));
+$options = getopt("", $longopts);
+foreach ($optsdesc as $key => $value) {
+    if ($value['required'] === True && empty($options[$key])) {
+        $help = $value['help'];
+        echo "Error: the following arguments are required: --$key, $help";
+        exit(1);
+    }
+}
+
+$region = $options["region"];
+$bucket = $options["bucket"];
+$taskId = $options["task-id"];
+// Loading credentials values from the environment variables
+$credentialsProvider = new Oss\Credentials\EnvironmentVariableCredentialsProvider();
+
+// Using the SDK's default configuration
+$cfg = Oss\Config::loadDefault();
+$cfg->setCredentialsProvider($credentialsProvider);
+$cfg->setRegion($region);
+if (isset($options["endpoint"])) {
+    $cfg->setEndpoint($options["endpoint"]);
+}
+
+$client = new Oss\Client($cfg);
+$request = new Oss\Models\GetBucketDataRedundancyTransitionRequest($bucket, $taskId);
+$result = $client->getBucketDataRedundancyTransition($request);
+
+printf(
+    'status code:' . $result->statusCode . PHP_EOL .
+    'request id:' . $result->requestId . PHP_EOL .
+    'bucket data redundancy transition:' . var_export($result->bucketDataRedundancyTransition, true)
+);
\ No newline at end of file
diff --git a/sample/ListBucketDataRedundancyTransition.php b/sample/ListBucketDataRedundancyTransition.php
new file mode 100644
index 0000000..cdc6f80
--- /dev/null
+++ b/sample/ListBucketDataRedundancyTransition.php
@@ -0,0 +1,46 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use AlibabaCloud\Oss\V2 as Oss;
+
+// parse args
+$optsdesc = [
+    "region" => ['help' => 'The region in which the bucket is located.', 'required' => True],
+    "endpoint" => ['help' => 'The domain names that other services can use to access OSS.', 'required' => False],
+    "bucket" => ['help' => 'The name of the bucket', 'required' => True],
+];
+$longopts = \array_map(function ($key) {
+    return "$key:";
+}, array_keys($optsdesc));
+$options = getopt("", $longopts);
+foreach ($optsdesc as $key => $value) {
+    if ($value['required'] === True && empty($options[$key])) {
+        $help = $value['help'];
+        echo "Error: the following arguments are required: --$key, $help";
+        exit(1);
+    }
+}
+
+$region = $options["region"];
+$bucket = $options["bucket"];
+// Loading credentials values from the environment variables
+$credentialsProvider = new Oss\Credentials\EnvironmentVariableCredentialsProvider();
+
+// Using the SDK's default configuration
+$cfg = Oss\Config::loadDefault();
+$cfg->setCredentialsProvider($credentialsProvider);
+$cfg->setRegion($region);
+if (isset($options["endpoint"])) {
+    $cfg->setEndpoint($options["endpoint"]);
+}
+
+$client = new Oss\Client($cfg);
+$request = new Oss\Models\ListBucketDataRedundancyTransitionRequest($bucket);
+$result = $client->listBucketDataRedundancyTransition($request);
+
+printf(
+    'status code:' . $result->statusCode . PHP_EOL .
+    'request id:' . $result->requestId . PHP_EOL .
+    'bucket data redundancy transitions:' . var_export($result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions, true)
+);
\ No newline at end of file
diff --git a/sample/ListUserDataRedundancyTransition.php b/sample/ListUserDataRedundancyTransition.php
new file mode 100644
index 0000000..3568c2a
--- /dev/null
+++ b/sample/ListUserDataRedundancyTransition.php
@@ -0,0 +1,44 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use AlibabaCloud\Oss\V2 as Oss;
+
+// parse args
+$optsdesc = [
+    "region" => ['help' => 'The region in which the bucket is located.', 'required' => True],
+    "endpoint" => ['help' => 'The domain names that other services can use to access OSS.', 'required' => False],
+];
+$longopts = \array_map(function ($key) {
+    return "$key:";
+}, array_keys($optsdesc));
+$options = getopt("", $longopts);
+foreach ($optsdesc as $key => $value) {
+    if ($value['required'] === True && empty($options[$key])) {
+        $help = $value['help'];
+        echo "Error: the following arguments are required: --$key, $help";
+        exit(1);
+    }
+}
+
+$region = $options["region"];
+// Loading credentials values from the environment variables
+$credentialsProvider = new Oss\Credentials\EnvironmentVariableCredentialsProvider();
+
+// Using the SDK's default configuration
+$cfg = Oss\Config::loadDefault();
+$cfg->setCredentialsProvider($credentialsProvider);
+$cfg->setRegion($region);
+if (isset($options["endpoint"])) {
+    $cfg->setEndpoint($options["endpoint"]);
+}
+
+$client = new Oss\Client($cfg);
+$request = new Oss\Models\ListUserDataRedundancyTransitionRequest();
+$result = $client->listUserDataRedundancyTransition($request);
+
+printf(
+    'status code:' . $result->statusCode . PHP_EOL .
+    'request id:' . $result->requestId . PHP_EOL .
+    'bucket data redundancy transitions:' . var_export($result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions, true)
+);
\ No newline at end of file
diff --git a/src/Client.php b/src/Client.php
index f6da7c9..8a341e5 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -212,6 +212,16 @@
  * @method \GuzzleHttp\Promise\Promise putBucketPublicAccessBlockAsync(Models\PutBucketPublicAccessBlockRequest $request, array $args = []) Enables or disables Block Public Access for a bucket.
  * @method Models\DeleteBucketPublicAccessBlockResult deleteBucketPublicAccessBlock(Models\DeleteBucketPublicAccessBlockRequest $request, array $args = []) Deletes the Block Public Access configurations of a bucket.
  * @method \GuzzleHttp\Promise\Promise deleteBucketPublicAccessBlockAsync(Models\DeleteBucketPublicAccessBlockRequest $request, array $args = []) Deletes the Block Public Access configurations of a bucket.
+ * @method Models\ListBucketDataRedundancyTransitionResult listBucketDataRedundancyTransition(Models\ListBucketDataRedundancyTransitionRequest $request, array $args = []) Lists all redundancy type conversion tasks of a bucket.
+ * @method \GuzzleHttp\Promise\Promise listBucketDataRedundancyTransitionAsync(Models\ListBucketDataRedundancyTransitionRequest $request, array $args = []) Lists all redundancy type conversion tasks of a bucket.
+ * @method Models\ListUserDataRedundancyTransitionResult listUserDataRedundancyTransition(Models\ListUserDataRedundancyTransitionRequest $request, array $args = []) Lists all redundancy type conversion tasks.
+ * @method \GuzzleHttp\Promise\Promise listUserDataRedundancyTransitionAsync(Models\ListUserDataRedundancyTransitionRequest $request, array $args = []) Lists all redundancy type conversion tasks.
+ * @method Models\GetBucketDataRedundancyTransitionResult getBucketDataRedundancyTransition(Models\GetBucketDataRedundancyTransitionRequest $request, array $args = []) Queries the redundancy type conversion tasks of a bucket.
+ * @method \GuzzleHttp\Promise\Promise getBucketDataRedundancyTransitionAsync(Models\GetBucketDataRedundancyTransitionRequest $request, array $args = []) Queries the redundancy type conversion tasks of a bucket.
+ * @method Models\CreateBucketDataRedundancyTransitionResult createBucketDataRedundancyTransition(Models\CreateBucketDataRedundancyTransitionRequest $request, array $args = []) Creates a redundancy type conversion task for a bucket.
+ * @method \GuzzleHttp\Promise\Promise createBucketDataRedundancyTransitionAsync(Models\CreateBucketDataRedundancyTransitionRequest $request, array $args = []) Creates a redundancy type conversion task for a bucket.
+ * @method Models\DeleteBucketDataRedundancyTransitionResult deleteBucketDataRedundancyTransition(Models\DeleteBucketDataRedundancyTransitionRequest $request, array $args = []) Deletes a redundancy type conversion task of a bucket.
+ * @method \GuzzleHttp\Promise\Promise deleteBucketDataRedundancyTransitionAsync(Models\DeleteBucketDataRedundancyTransitionRequest $request, array $args = []) Deletes a redundancy type conversion task of a bucket.
  * @method Models\GetBucketHttpsConfigResult getBucketHttpsConfig(Models\GetBucketHttpsConfigRequest $request, array $args = []) Queries the Transport Layer Security (TLS) version configurations of a bucket.
  * @method \GuzzleHttp\Promise\Promise getBucketHttpsConfigAsync(Models\GetBucketHttpsConfigRequest $request, array $args = []) Queries the Transport Layer Security (TLS) version configurations of a bucket.
  * @method Models\PutBucketHttpsConfigResult putBucketHttpsConfig(Models\PutBucketHttpsConfigRequest $request, array $args = []) Enables or disables Transport Layer Security (TLS) version management for a bucket.
diff --git a/src/Models/BucketDataRedundancyTransition.php b/src/Models/BucketDataRedundancyTransition.php
new file mode 100644
index 0000000..58423d0
--- /dev/null
+++ b/src/Models/BucketDataRedundancyTransition.php
@@ -0,0 +1,106 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\Model;
+use AlibabaCloud\Oss\V2\Annotation\XmlElement;
+use AlibabaCloud\Oss\V2\Annotation\XmlRoot;
+
+/**
+ * Class BucketDataRedundancyTransition
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+#[XmlRoot(name: 'BucketDataRedundancyTransition')]
+final class BucketDataRedundancyTransition extends Model
+{
+
+    /**
+     * The progress of the redundancy type change task in percentage. Valid values: 0 to 100. This element is available when the task is in the Processing or Finished state.
+     * @var int|null
+     */
+    #[XmlElement(rename: 'ProcessPercentage', type: 'int')]
+    public ?int $processPercentage;
+
+    /**
+     * The estimated period of time that is required for the redundancy type change task. Unit: hours. This element is available when the task is in the Processing or Finished state.
+     * @var int|null
+     */
+    #[XmlElement(rename: 'EstimatedRemainingTime', type: 'int')]
+    public ?int $estimatedRemainingTime;
+
+    /**
+     * The name of the bucket.
+     * @var string|null
+     */
+    #[XmlElement(rename: 'Bucket', type: 'string')]
+    public ?string $bucket;
+
+    /**
+     * The ID of the redundancy type conversion task. The ID can be used to view and delete the redundancy type conversion task.
+     * @var string|null
+     */
+    #[XmlElement(rename: 'TaskId', type: 'string')]
+    public ?string $taskId;
+
+    /**
+     * The state of the redundancy type change task. Valid values:QueueingProcessingFinished
+     * @var string|null
+     */
+    #[XmlElement(rename: 'Status', type: 'string')]
+    public ?string $status;
+
+    /**
+     * The time when the redundancy type change task was created.
+     * @var string|null
+     */
+    #[XmlElement(rename: 'CreateTime', type: 'string')]
+    public ?string $createTime;
+
+    /**
+     * The time when the redundancy type change task was performed. This element is available when the task is in the Processing or Finished state.
+     * @var string|null
+     */
+    #[XmlElement(rename: 'StartTime', type: 'string')]
+    public ?string $startTime;
+
+    /**
+     * The time when the redundancy type change task was finished. This element is available when the task is in the Finished state.
+     * @var string|null
+     */
+    #[XmlElement(rename: 'EndTime', type: 'string')]
+    public ?string $endTime;
+
+    /**
+     * BucketDataRedundancyTransition constructor.
+     * @param int|null $processPercentage The progress of the redundancy type change task in percentage.
+     * @param int|null $estimatedRemainingTime The estimated period of time that is required for the redundancy type change task.
+     * @param string|null $bucket The name of the bucket.
+     * @param string|null $taskId The ID of the redundancy type conversion task.
+     * @param string|null $status The state of the redundancy type change task.
+     * @param string|null $createTime The time when the redundancy type change task was created.
+     * @param string|null $startTime The time when the redundancy type change task was performed.
+     * @param string|null $endTime The time when the redundancy type change task was finished.
+     */
+    public function __construct(
+        ?int $processPercentage = null,
+        ?int $estimatedRemainingTime = null,
+        ?string $bucket = null,
+        ?string $taskId = null,
+        ?string $status = null,
+        ?string $createTime = null,
+        ?string $startTime = null,
+        ?string $endTime = null
+    )
+    {
+        $this->processPercentage = $processPercentage;
+        $this->estimatedRemainingTime = $estimatedRemainingTime;
+        $this->bucket = $bucket;
+        $this->status = $status;
+        $this->taskId = $taskId;
+        $this->createTime = $createTime;
+        $this->startTime = $startTime;
+        $this->endTime = $endTime;
+    }
+}
\ No newline at end of file
diff --git a/src/Models/CreateBucketDataRedundancyTransitionRequest.php b/src/Models/CreateBucketDataRedundancyTransitionRequest.php
new file mode 100644
index 0000000..f2fa1b7
--- /dev/null
+++ b/src/Models/CreateBucketDataRedundancyTransitionRequest.php
@@ -0,0 +1,49 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\RequestModel;
+use AlibabaCloud\Oss\V2\Annotation\TagProperty;
+use AlibabaCloud\Oss\V2\Annotation\RequiredProperty;
+
+/**
+ * The request for the CreateBucketDataRedundancyTransition operation.
+ * Class CreateBucketDataRedundancyTransitionRequest
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class CreateBucketDataRedundancyTransitionRequest extends RequestModel
+{
+    /**
+     * The name of the bucket.
+     * @var string|null
+     */
+    #[RequiredProperty()]
+    #[TagProperty(tag: '', position: 'host', rename: 'bucket', type: 'string')]
+    public ?string $bucket;
+
+    /**
+     * The redundancy type to which you want to convert the bucket. You can only convert the redundancy type of a bucket from LRS to ZRS.
+     * @var string|null
+     */
+    #[RequiredProperty()]
+    #[TagProperty(tag: '', position: 'query', rename: 'x-oss-target-redundancy-type', type: 'string')]
+    public ?string $targetRedundancyType;
+
+    /**
+     * CreateBucketDataRedundancyTransitionRequest constructor.
+     * @param string|null $bucket The name of the bucket.
+     * @param string|null $targetRedundancyType The redundancy type to which you want to convert the bucket.
+     * @param array|null $options
+     */
+    public function __construct(
+        ?string $bucket = null,
+        ?string $targetRedundancyType = null,
+        ?array $options = null
+    )
+    {
+        $this->bucket = $bucket;
+        $this->targetRedundancyType = $targetRedundancyType;
+        parent::__construct($options);
+    }
+}
\ No newline at end of file
diff --git a/src/Models/CreateBucketDataRedundancyTransitionResult.php b/src/Models/CreateBucketDataRedundancyTransitionResult.php
new file mode 100644
index 0000000..2dccbc6
--- /dev/null
+++ b/src/Models/CreateBucketDataRedundancyTransitionResult.php
@@ -0,0 +1,33 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\ResultModel;
+use AlibabaCloud\Oss\V2\Annotation\TagBody;
+
+/**
+ * The result for the CreateBucketDataRedundancyTransition operation.
+ * Class CreateBucketDataRedundancyTransitionResult
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class CreateBucketDataRedundancyTransitionResult extends ResultModel
+{
+    /**
+     * The container in which the redundancy type conversion task is stored.
+     * @var BucketDataRedundancyTransition|null
+     */
+    #[TagBody(rename: 'BucketDataRedundancyTransition', type: BucketDataRedundancyTransition::class, format: 'xml')]
+    public ?BucketDataRedundancyTransition $bucketDataRedundancyTransition;
+
+    /**
+     * CreateBucketDataRedundancyTransitionRequest constructor.
+     * @param BucketDataRedundancyTransition|null $bucketDataRedundancyTransition The container in which the redundancy type conversion task is stored.
+     */
+    public function __construct(
+        ?BucketDataRedundancyTransition $bucketDataRedundancyTransition = null
+    )
+    {
+        $this->bucketDataRedundancyTransition = $bucketDataRedundancyTransition;
+    }
+}
diff --git a/src/Models/DeleteBucketDataRedundancyTransitionRequest.php b/src/Models/DeleteBucketDataRedundancyTransitionRequest.php
new file mode 100644
index 0000000..6347e82
--- /dev/null
+++ b/src/Models/DeleteBucketDataRedundancyTransitionRequest.php
@@ -0,0 +1,49 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\RequestModel;
+use AlibabaCloud\Oss\V2\Annotation\TagProperty;
+use AlibabaCloud\Oss\V2\Annotation\RequiredProperty;
+
+/**
+ * The request for the DeleteBucketDataRedundancyTransition operation.
+ * Class DeleteBucketDataRedundancyTransitionRequest
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class DeleteBucketDataRedundancyTransitionRequest extends RequestModel
+{
+    /**
+     * The name of the bucket.
+     * @var string|null
+     */
+    #[RequiredProperty()]
+    #[TagProperty(tag: '', position: 'host', rename: 'bucket', type: 'string')]
+    public ?string $bucket;
+
+    /**
+     * The ID of the redundancy type change task.
+     * @var string|null
+     */
+    #[RequiredProperty()]
+    #[TagProperty(tag: '', position: 'query', rename: 'x-oss-redundancy-transition-taskid', type: 'string')]
+    public ?string $redundancyTransitionTaskid;
+
+    /**
+     * DeleteBucketDataRedundancyTransitionRequest constructor.
+     * @param string|null $bucket The name of the bucket.
+     * @param string|null $redundancyTransitionTaskid The ID of the redundancy type change task.
+     * @param array|null $options
+     */
+    public function __construct(
+        ?string $bucket = null,
+        ?string $redundancyTransitionTaskid = null,
+        ?array $options = null
+    )
+    {
+        $this->bucket = $bucket;
+        $this->redundancyTransitionTaskid = $redundancyTransitionTaskid;
+        parent::__construct($options);
+    }
+}
\ No newline at end of file
diff --git a/src/Models/DeleteBucketDataRedundancyTransitionResult.php b/src/Models/DeleteBucketDataRedundancyTransitionResult.php
new file mode 100644
index 0000000..026d436
--- /dev/null
+++ b/src/Models/DeleteBucketDataRedundancyTransitionResult.php
@@ -0,0 +1,15 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\ResultModel;
+
+/**
+ * The result for the DeleteBucketDataRedundancyTransition operation.
+ * Class DeleteBucketDataRedundancyTransitionResult
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class DeleteBucketDataRedundancyTransitionResult extends ResultModel
+{
+}
diff --git a/src/Models/GetBucketDataRedundancyTransitionRequest.php b/src/Models/GetBucketDataRedundancyTransitionRequest.php
new file mode 100644
index 0000000..9f5f638
--- /dev/null
+++ b/src/Models/GetBucketDataRedundancyTransitionRequest.php
@@ -0,0 +1,49 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\RequestModel;
+use AlibabaCloud\Oss\V2\Annotation\TagProperty;
+use AlibabaCloud\Oss\V2\Annotation\RequiredProperty;
+
+/**
+ * The request for the GetBucketDataRedundancyTransition operation.
+ * Class GetBucketDataRedundancyTransitionRequest
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class GetBucketDataRedundancyTransitionRequest extends RequestModel
+{
+    /**
+     * The name of the bucket.
+     * @var string|null
+     */
+    #[RequiredProperty()]
+    #[TagProperty(tag: '', position: 'host', rename: 'bucket', type: 'string')]
+    public ?string $bucket;
+
+    /**
+     * The ID of the redundancy change task.
+     * @var string|null
+     */
+    #[RequiredProperty()]
+    #[TagProperty(tag: '', position: 'query', rename: 'x-oss-redundancy-transition-taskid', type: 'string')]
+    public ?string $redundancyTransitionTaskid;
+
+    /**
+     * GetBucketDataRedundancyTransitionRequest constructor.
+     * @param string|null $bucket The name of the bucket.
+     * @param string|null $redundancyTransitionTaskid The ID of the redundancy change task.
+     * @param array|null $options
+     */
+    public function __construct(
+        ?string $bucket = null,
+        ?string $redundancyTransitionTaskid = null,
+        ?array $options = null
+    )
+    {
+        $this->bucket = $bucket;
+        $this->redundancyTransitionTaskid = $redundancyTransitionTaskid;
+        parent::__construct($options);
+    }
+}
\ No newline at end of file
diff --git a/src/Models/GetBucketDataRedundancyTransitionResult.php b/src/Models/GetBucketDataRedundancyTransitionResult.php
new file mode 100644
index 0000000..2b7ffea
--- /dev/null
+++ b/src/Models/GetBucketDataRedundancyTransitionResult.php
@@ -0,0 +1,33 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\ResultModel;
+use AlibabaCloud\Oss\V2\Annotation\TagBody;
+
+/**
+ * The result for the GetBucketDataRedundancyTransition operation.
+ * Class GetBucketDataRedundancyTransitionResult
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class GetBucketDataRedundancyTransitionResult extends ResultModel
+{
+    /**
+     * The container for a specific redundancy type change task.
+     * @var BucketDataRedundancyTransition|null
+     */
+    #[TagBody(rename: 'BucketDataRedundancyTransition', type: BucketDataRedundancyTransition::class, format: 'xml')]
+    public ?BucketDataRedundancyTransition $bucketDataRedundancyTransition;
+
+    /**
+     * GetBucketDataRedundancyTransitionRequest constructor.
+     * @param BucketDataRedundancyTransition|null $bucketDataRedundancyTransition The container for a specific redundancy type change task.
+     */
+    public function __construct(
+        ?BucketDataRedundancyTransition $bucketDataRedundancyTransition = null
+    )
+    {
+        $this->bucketDataRedundancyTransition = $bucketDataRedundancyTransition;
+    }
+}
diff --git a/src/Models/ListBucketDataRedundancyTransition.php b/src/Models/ListBucketDataRedundancyTransition.php
new file mode 100644
index 0000000..e5991be
--- /dev/null
+++ b/src/Models/ListBucketDataRedundancyTransition.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\Model;
+use AlibabaCloud\Oss\V2\Annotation\XmlElement;
+use AlibabaCloud\Oss\V2\Annotation\XmlRoot;
+
+/**
+ * Class ListBucketDataRedundancyTransition
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+#[XmlRoot(name: 'ListBucketDataRedundancyTransition')]
+final class ListBucketDataRedundancyTransition extends Model
+{
+    /**
+     * @var array<BucketDataRedundancyTransition>|null
+     */
+    #[XmlElement(rename: 'BucketDataRedundancyTransition', type: BucketDataRedundancyTransition::class)]
+    public ?array $bucketDataRedundancyTransitions;
+
+    /**
+     * ListBucketDataRedundancyTransition constructor.
+     * @param array<BucketDataRedundancyTransition>|null $bucketDataRedundancyTransitions
+     */
+    public function __construct(
+        ?array $bucketDataRedundancyTransitions = null
+    )
+    {
+        $this->bucketDataRedundancyTransitions = $bucketDataRedundancyTransitions;
+    }
+}
\ No newline at end of file
diff --git a/src/Models/ListBucketDataRedundancyTransitionRequest.php b/src/Models/ListBucketDataRedundancyTransitionRequest.php
new file mode 100644
index 0000000..cd7fe21
--- /dev/null
+++ b/src/Models/ListBucketDataRedundancyTransitionRequest.php
@@ -0,0 +1,37 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\RequestModel;
+use AlibabaCloud\Oss\V2\Annotation\TagProperty;
+use AlibabaCloud\Oss\V2\Annotation\RequiredProperty;
+
+/**
+ * The request for the ListBucketDataRedundancyTransition operation.
+ * Class ListBucketDataRedundancyTransitionRequest
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class ListBucketDataRedundancyTransitionRequest extends RequestModel
+{
+    /**
+     * @var string|null
+     */
+    #[RequiredProperty()]
+    #[TagProperty(tag: '', position: 'host', rename: 'bucket', type: 'string')]
+    public ?string $bucket;
+
+    /**
+     * ListBucketDataRedundancyTransitionRequest constructor.
+     * @param string|null $bucket
+     * @param array|null $options
+     */
+    public function __construct(
+        ?string $bucket = null,
+        ?array $options = null
+    )
+    {
+        $this->bucket = $bucket;
+        parent::__construct($options);
+    }
+}
\ No newline at end of file
diff --git a/src/Models/ListBucketDataRedundancyTransitionResult.php b/src/Models/ListBucketDataRedundancyTransitionResult.php
new file mode 100644
index 0000000..d0767e9
--- /dev/null
+++ b/src/Models/ListBucketDataRedundancyTransitionResult.php
@@ -0,0 +1,33 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\ResultModel;
+use AlibabaCloud\Oss\V2\Annotation\TagBody;
+
+/**
+ * The result for the ListBucketDataRedundancyTransition operation.
+ * Class ListBucketDataRedundancyTransitionResult
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class ListBucketDataRedundancyTransitionResult extends ResultModel
+{
+    /**
+     * The container for listed redundancy type change tasks.
+     * @var ListBucketDataRedundancyTransition|null
+     */
+    #[TagBody(rename: 'ListBucketDataRedundancyTransition', type: ListBucketDataRedundancyTransition::class, format: 'xml')]
+    public ?ListBucketDataRedundancyTransition $listBucketDataRedundancyTransition;
+
+    /**
+     * ListBucketDataRedundancyTransitionRequest constructor.
+     * @param ListBucketDataRedundancyTransition|null $listBucketDataRedundancyTransition The container for listed redundancy type change tasks.
+     */
+    public function __construct(
+        ?ListBucketDataRedundancyTransition $listBucketDataRedundancyTransition = null
+    )
+    {
+        $this->listBucketDataRedundancyTransition = $listBucketDataRedundancyTransition;
+    }
+}
diff --git a/src/Models/ListUserDataRedundancyTransitionRequest.php b/src/Models/ListUserDataRedundancyTransitionRequest.php
new file mode 100644
index 0000000..1850b4f
--- /dev/null
+++ b/src/Models/ListUserDataRedundancyTransitionRequest.php
@@ -0,0 +1,45 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\RequestModel;
+use AlibabaCloud\Oss\V2\Annotation\TagProperty;
+
+/**
+ * The request for the ListUserDataRedundancyTransition operation.
+ * Class ListUserDataRedundancyTransitionRequest
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class ListUserDataRedundancyTransitionRequest extends RequestModel
+{   
+    /**
+     * @var string|null
+     */
+    #[TagProperty(tag: '', position: 'query', rename: 'continuation-token', type: 'string')]
+    public ?string $continuationToken;
+
+    /** 
+     * @var int|null
+     */
+    #[TagProperty(tag: '', position: 'query', rename: 'max-keys', type: 'int')]
+    public ?int $maxKeys;
+
+    /**
+     * ListUserDataRedundancyTransitionRequest constructor.
+     * 
+     * @param string|null $continuationToken
+     * @param int|null $maxKeys
+     * @param array|null $options
+     */
+    public function __construct( 
+        ?string $continuationToken = null,
+        ?int $maxKeys = null,
+        ?array $options = null
+    )
+    {   
+        $this->continuationToken = $continuationToken;
+        $this->maxKeys = $maxKeys;
+        parent::__construct($options);
+    }
+}
\ No newline at end of file
diff --git a/src/Models/ListUserDataRedundancyTransitionResult.php b/src/Models/ListUserDataRedundancyTransitionResult.php
new file mode 100644
index 0000000..b94c16e
--- /dev/null
+++ b/src/Models/ListUserDataRedundancyTransitionResult.php
@@ -0,0 +1,32 @@
+<?php
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Models;
+
+use AlibabaCloud\Oss\V2\Types\ResultModel;
+use AlibabaCloud\Oss\V2\Annotation\TagBody;
+
+/**
+ * The result for the ListUserDataRedundancyTransition operation.
+ * Class ListUserDataRedundancyTransitionResult
+ * @package AlibabaCloud\Oss\V2\Models
+ */
+final class ListUserDataRedundancyTransitionResult extends ResultModel
+{
+    /**
+     * @var ListBucketDataRedundancyTransition|null
+     */
+    #[TagBody(rename: 'ListBucketDataRedundancyTransition', type: ListBucketDataRedundancyTransition::class, format: 'xml')]
+    public ?ListBucketDataRedundancyTransition $listBucketDataRedundancyTransition;
+
+    /**
+     * ListUserDataRedundancyTransitionRequest constructor.
+     * @param ListBucketDataRedundancyTransition|null $listBucketDataRedundancyTransition
+     */
+    public function __construct(
+        ?ListBucketDataRedundancyTransition $listBucketDataRedundancyTransition = null
+    )
+    {
+        $this->listBucketDataRedundancyTransition = $listBucketDataRedundancyTransition;
+    }
+}
diff --git a/src/Transform/BucketRedundancyTransition.php b/src/Transform/BucketRedundancyTransition.php
new file mode 100644
index 0000000..f85a86d
--- /dev/null
+++ b/src/Transform/BucketRedundancyTransition.php
@@ -0,0 +1,194 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AlibabaCloud\Oss\V2\Transform;
+
+use AlibabaCloud\Oss\V2\OperationInput;
+use AlibabaCloud\Oss\V2\OperationOutput;
+use AlibabaCloud\Oss\V2\Models;
+use AlibabaCloud\Oss\V2\Deserializer;
+use AlibabaCloud\Oss\V2\Serializer;
+
+/**
+ * Class BucketRedundancyTransition
+ * @package AlibabaCloud\Oss\V2\Transform
+ */
+final class BucketRedundancyTransition
+{
+    /**
+     * @param Models\ListBucketDataRedundancyTransitionRequest $request
+     * @return OperationInput
+     */
+    public static function fromListBucketDataRedundancyTransition(Models\ListBucketDataRedundancyTransitionRequest $request): OperationInput
+    {
+        $input = new OperationInput(
+            'ListBucketDataRedundancyTransition',
+            'GET',
+            ['Content-Type' => 'application/xml']
+        );
+        $input->setParameter('redundancyTransition', '');
+        $input->setBucket($request->bucket ?? '');
+        $input->setOpMetadata('sub-resource', ['redundancyTransition',]);
+
+        $customSerializer = [
+            [Functions::class, 'addContentMd5']
+        ];
+        Serializer::serializeInput($request, $input, $customSerializer);
+        return $input;
+    }
+
+    /**
+     * @param OperationOutput $output
+     * @return Models\ListBucketDataRedundancyTransitionResult
+     */
+    public static function toListBucketDataRedundancyTransition(OperationOutput $output): Models\ListBucketDataRedundancyTransitionResult
+    {
+        $result = new Models\ListBucketDataRedundancyTransitionResult();
+        $customDeserializer = [
+            [Deserializer::class, 'deserializeOutputBody'],
+        ];
+        Deserializer::deserializeOutput($result, $output, $customDeserializer);
+        return $result;
+    }
+
+    /**
+     * @param Models\GetBucketDataRedundancyTransitionRequest $request
+     * @return OperationInput
+     */
+    public static function fromGetBucketDataRedundancyTransition(Models\GetBucketDataRedundancyTransitionRequest $request): OperationInput
+    {
+        $input = new OperationInput(
+            'GetBucketDataRedundancyTransition',
+            'GET',
+            ['Content-Type' => 'application/xml']
+        );
+        $input->setParameter('redundancyTransition', '');
+        $input->setBucket($request->bucket ?? '');
+        $input->setOpMetadata('sub-resource', ['redundancyTransition',]);
+
+        $customSerializer = [
+            [Functions::class, 'addContentMd5']
+        ];
+        Serializer::serializeInput($request, $input, $customSerializer);
+        return $input;
+    }
+
+    /**
+     * @param OperationOutput $output
+     * @return Models\GetBucketDataRedundancyTransitionResult
+     */
+    public static function toGetBucketDataRedundancyTransition(OperationOutput $output): Models\GetBucketDataRedundancyTransitionResult
+    {
+        $result = new Models\GetBucketDataRedundancyTransitionResult();
+        $customDeserializer = [
+            [Deserializer::class, 'deserializeOutputBody'],
+        ];
+        Deserializer::deserializeOutput($result, $output, $customDeserializer);
+        return $result;
+    }
+
+    /**
+     * @param Models\CreateBucketDataRedundancyTransitionRequest $request
+     * @return OperationInput
+     */
+    public static function fromCreateBucketDataRedundancyTransition(Models\CreateBucketDataRedundancyTransitionRequest $request): OperationInput
+    {
+        $input = new OperationInput(
+            'CreateBucketDataRedundancyTransition',
+            'POST',
+            ['Content-Type' => 'application/xml']
+        );
+        $input->setParameter('redundancyTransition', '');
+        $input->setBucket($request->bucket ?? '');
+        $input->setOpMetadata('sub-resource', ['redundancyTransition',]);
+
+        $customSerializer = [
+            [Functions::class, 'addContentMd5']
+        ];
+        Serializer::serializeInput($request, $input, $customSerializer);
+        return $input;
+    }
+
+    /**
+     * @param OperationOutput $output
+     * @return Models\CreateBucketDataRedundancyTransitionResult
+     */
+    public static function toCreateBucketDataRedundancyTransition(OperationOutput $output): Models\CreateBucketDataRedundancyTransitionResult
+    {
+        $result = new Models\CreateBucketDataRedundancyTransitionResult();
+        $customDeserializer = [
+            [Deserializer::class, 'deserializeOutputBody'],
+        ];
+        Deserializer::deserializeOutput($result, $output, $customDeserializer);
+        return $result;
+    }
+
+    /**
+     * @param Models\DeleteBucketDataRedundancyTransitionRequest $request
+     * @return OperationInput
+     */
+    public static function fromDeleteBucketDataRedundancyTransition(Models\DeleteBucketDataRedundancyTransitionRequest $request): OperationInput
+    {
+        $input = new OperationInput(
+            'DeleteBucketDataRedundancyTransition',
+            'DELETE',
+            ['Content-Type' => 'application/xml']
+        );
+        $input->setParameter('redundancyTransition', '');
+        $input->setBucket($request->bucket ?? '');
+        $input->setOpMetadata('sub-resource', ['redundancyTransition',]);
+
+        $customSerializer = [
+            [Functions::class, 'addContentMd5']
+        ];
+        Serializer::serializeInput($request, $input, $customSerializer);
+        return $input;
+    }
+
+    /**
+     * @param OperationOutput $output
+     * @return Models\DeleteBucketDataRedundancyTransitionResult
+     */
+    public static function toDeleteBucketDataRedundancyTransition(OperationOutput $output): Models\DeleteBucketDataRedundancyTransitionResult
+    {
+        $result = new Models\DeleteBucketDataRedundancyTransitionResult();
+        Deserializer::deserializeOutput($result, $output);
+        return $result;
+    }
+
+    /**
+     * @param Models\ListUserDataRedundancyTransitionRequest $request
+     * @return OperationInput
+     */
+    public static function fromListUserDataRedundancyTransition(Models\ListUserDataRedundancyTransitionRequest $request): OperationInput
+    {
+        $input = new OperationInput(
+            'ListUserDataRedundancyTransition',
+            'GET',
+            ['Content-Type' => 'application/xml']
+        );
+        $input->setParameter('redundancyTransition', '');
+        $input->setOpMetadata('sub-resource', ['redundancyTransition',]);
+
+        $customSerializer = [
+            [Functions::class, 'addContentMd5']
+        ];
+        Serializer::serializeInput($request, $input, $customSerializer);
+        return $input;
+    }
+
+    /**
+     * @param OperationOutput $output
+     * @return Models\ListUserDataRedundancyTransitionResult
+     */
+    public static function toListUserDataRedundancyTransition(OperationOutput $output): Models\ListUserDataRedundancyTransitionResult
+    {
+        $result = new Models\ListUserDataRedundancyTransitionResult();
+        $customDeserializer = [
+            [Deserializer::class, 'deserializeOutputBody'],
+        ];
+        Deserializer::deserializeOutput($result, $output, $customDeserializer);
+        return $result;
+    }
+}
diff --git a/src/Transform/Functions.php b/src/Transform/Functions.php
index 8147fd5..09393e1 100644
--- a/src/Transform/Functions.php
+++ b/src/Transform/Functions.php
@@ -137,6 +137,12 @@ final class Functions
         'GetBucketPublicAccessBlock' => 'BucketPublicAccessBlock',
         'PutBucketPublicAccessBlock' => 'BucketPublicAccessBlock',
         'DeleteBucketPublicAccessBlock' => 'BucketPublicAccessBlock',
+        // bucket redundancy transition
+        'ListBucketDataRedundancyTransition' => 'BucketRedundancyTransition',
+        'ListUserDataRedundancyTransition' => 'BucketRedundancyTransition',
+        'GetBucketDataRedundancyTransition' => 'BucketRedundancyTransition',
+        'CreateBucketDataRedundancyTransition' => 'BucketRedundancyTransition',
+        'DeleteBucketDataRedundancyTransition' => 'BucketRedundancyTransition',
         // bucket https config
         'GetBucketHttpsConfig' => 'BucketHttpsConfig',
         'PutBucketHttpsConfig' => 'BucketHttpsConfig',
diff --git a/tests/IntegrationTests/ClientBucketDataRedundancyTransitionTest.php b/tests/IntegrationTests/ClientBucketDataRedundancyTransitionTest.php
new file mode 100644
index 0000000..84dd2d2
--- /dev/null
+++ b/tests/IntegrationTests/ClientBucketDataRedundancyTransitionTest.php
@@ -0,0 +1,147 @@
+<?php
+
+namespace IntegrationTests;
+
+require_once __DIR__ . DIRECTORY_SEPARATOR . 'TestIntegration.php';
+
+use AlibabaCloud\Oss\V2 as Oss;
+
+class ClientBucketDataRedundancyTransitionTest extends TestIntegration
+{
+    public function testBucketDataRedundancyTransition()
+    {
+        $client = $this->getDefaultClient();
+        $bucketName = self::$bucketName;
+
+        // CreateBucketDataRedundancyTransition
+        $createResult = $client->createBucketDataRedundancyTransition(new Oss\Models\CreateBucketDataRedundancyTransitionRequest(
+            $bucketName,
+            targetRedundancyType: 'ZRS'
+        ));
+        $this->assertEquals(200, $createResult->statusCode);
+        $this->assertEquals('OK', $createResult->status);
+        $this->assertEquals(True, count($createResult->headers) > 0);
+        $this->assertEquals(24, strlen($createResult->requestId));
+
+        // GetBucketDataRedundancyTransition
+        $getResult = $client->getBucketDataRedundancyTransition(new Oss\Models\GetBucketDataRedundancyTransitionRequest(
+            $bucketName,
+            redundancyTransitionTaskid: $createResult->bucketDataRedundancyTransition->taskId
+        ));
+        $this->assertEquals(200, $getResult->statusCode);
+        $this->assertEquals('OK', $getResult->status);
+        $this->assertEquals(True, count($getResult->headers) > 0);
+        $this->assertEquals(24, strlen($getResult->requestId));
+
+        // ListBucketDataRedundancyTransition
+        $listResult = $client->listBucketDataRedundancyTransition(new Oss\Models\ListBucketDataRedundancyTransitionRequest(
+            $bucketName,
+        ));
+        $this->assertEquals(200, $listResult->statusCode);
+        $this->assertEquals('OK', $listResult->status);
+        $this->assertEquals(True, count($listResult->headers) > 0);
+        $this->assertEquals(24, strlen($listResult->requestId));
+
+        // ListUserDataRedundancyTransition
+        $listResult = $client->listUserDataRedundancyTransition(new Oss\Models\ListUserDataRedundancyTransitionRequest());
+        $this->assertEquals(200, $listResult->statusCode);
+        $this->assertEquals('OK', $listResult->status);
+        $this->assertEquals(True, count($listResult->headers) > 0);
+        $this->assertEquals(24, strlen($listResult->requestId));
+
+        // DeleteBucketDataRedundancyTransition
+        $delResult = $client->deleteBucketDataRedundancyTransition(new Oss\Models\DeleteBucketDataRedundancyTransitionRequest(
+            $bucketName, $createResult->bucketDataRedundancyTransition->taskId
+        ));
+        $this->assertEquals(204, $delResult->statusCode);
+        $this->assertEquals('No Content', $delResult->status);
+        $this->assertEquals(True, count($delResult->headers) > 0);
+        $this->assertEquals(24, strlen($delResult->requestId));
+    }
+
+    public function testBucketDataRedundancyTransitionFail()
+    {
+        $client = $this->getDefaultClient();
+        $bucketName = self::$bucketName . "-not-exist";
+
+        try {
+            $createResult = $client->createBucketDataRedundancyTransition(new Oss\Models\CreateBucketDataRedundancyTransitionRequest(
+                $bucketName,
+                targetRedundancyType: 'ZRS'
+            ));
+            $this->assertTrue(false, "should not here");
+        } catch (Oss\Exception\OperationException $e) {
+            $this->assertStringContainsString('Operation error CreateBucketDataRedundancyTransition', $e);
+            $se = $e->getPrevious();
+            $this->assertInstanceOf(Oss\Exception\ServiceException::class, $se);
+            if ($se instanceof Oss\Exception\ServiceException) {
+                $this->assertEquals('NoSuchBucket', $se->getErrorCode());
+                $this->assertEquals(404, $se->getStatusCode());
+                $this->assertEquals(24, strlen($se->getRequestId()));
+            }
+        }
+
+        try {
+            $getResult = $client->getBucketDataRedundancyTransition(new Oss\Models\GetBucketDataRedundancyTransitionRequest(
+                $bucketName, '123'
+            ));
+            $this->assertTrue(false, "should not here");
+        } catch (Oss\Exception\OperationException $e) {
+            $this->assertStringContainsString('Operation error GetBucketDataRedundancyTransition', $e);
+            $se = $e->getPrevious();
+            $this->assertInstanceOf(Oss\Exception\ServiceException::class, $se);
+            if ($se instanceof Oss\Exception\ServiceException) {
+                $this->assertEquals('NoSuchBucket', $se->getErrorCode());
+                $this->assertEquals(404, $se->getStatusCode());
+                $this->assertEquals(24, strlen($se->getRequestId()));
+            }
+        }
+
+        try {
+            $delResult = $client->deleteBucketDataRedundancyTransition(new Oss\Models\DeleteBucketDataRedundancyTransitionRequest(
+                $bucketName, '123'
+            ));
+            $this->assertTrue(false, "should not here");
+        } catch (Oss\Exception\OperationException $e) {
+            $this->assertStringContainsString('Operation error DeleteBucketDataRedundancyTransition', $e);
+            $se = $e->getPrevious();
+            $this->assertInstanceOf(Oss\Exception\ServiceException::class, $se);
+            if ($se instanceof Oss\Exception\ServiceException) {
+                $this->assertEquals('NoSuchBucket', $se->getErrorCode());
+                $this->assertEquals(404, $se->getStatusCode());
+                $this->assertEquals(24, strlen($se->getRequestId()));
+            }
+        }
+
+        try {
+            $listResult = $client->listBucketDataRedundancyTransition(new Oss\Models\ListBucketDataRedundancyTransitionRequest(
+                $bucketName,
+            ));
+            $this->assertTrue(false, "should not here");
+        } catch (Oss\Exception\OperationException $e) {
+            $this->assertStringContainsString('Operation error ListBucketDataRedundancyTransition', $e);
+            $se = $e->getPrevious();
+            $this->assertInstanceOf(Oss\Exception\ServiceException::class, $se);
+            if ($se instanceof Oss\Exception\ServiceException) {
+                $this->assertEquals('NoSuchBucket', $se->getErrorCode());
+                $this->assertEquals(404, $se->getStatusCode());
+                $this->assertEquals(24, strlen($se->getRequestId()));
+            }
+        }
+
+        try {
+            $client = $this->getInvalidAkClient();
+            $listResult = $client->listUserDataRedundancyTransition(new Oss\Models\ListUserDataRedundancyTransitionRequest());
+            $this->assertTrue(false, "should not here");
+        } catch (Oss\Exception\OperationException $e) {
+            $this->assertStringContainsString('Operation error ListUserDataRedundancyTransition', $e);
+            $se = $e->getPrevious();
+            $this->assertInstanceOf(Oss\Exception\ServiceException::class, $se);
+            if ($se instanceof Oss\Exception\ServiceException) {
+                $this->assertEquals('InvalidAccessKeyId', $se->getErrorCode());
+                $this->assertEquals(403, $se->getStatusCode());
+                $this->assertEquals(24, strlen($se->getRequestId()));
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/tests/UnitTests/Transform/BucketRedundancyTransitionTest.php b/tests/UnitTests/Transform/BucketRedundancyTransitionTest.php
new file mode 100644
index 0000000..0839acc
--- /dev/null
+++ b/tests/UnitTests/Transform/BucketRedundancyTransitionTest.php
@@ -0,0 +1,467 @@
+<?php
+
+namespace UnitTests\Transform;
+
+use AlibabaCloud\Oss\V2\Models;
+use AlibabaCloud\Oss\V2\Transform\BucketRedundancyTransition;
+use AlibabaCloud\Oss\V2\OperationOutput;
+use AlibabaCloud\Oss\V2\Utils;
+
+class BucketRedundancyTransitionTest extends \PHPUnit\Framework\TestCase
+{
+    public function testFromCreateBucketDataRedundancyTransition()
+    {
+        // miss required field 
+        try {
+            $request = new Models\CreateBucketDataRedundancyTransitionRequest();
+            $input = BucketRedundancyTransition::fromCreateBucketDataRedundancyTransition($request);
+            $this->assertTrue(false, "should not here");
+        } catch (\InvalidArgumentException $e) {
+            $this->assertStringContainsString("missing required field, bucket", (string)$e);
+        }
+
+        try {
+            $request = new Models\CreateBucketDataRedundancyTransitionRequest('bucket-123');
+            $input = BucketRedundancyTransition::fromCreateBucketDataRedundancyTransition($request);
+            $this->assertTrue(false, "should not here");
+        } catch (\InvalidArgumentException $e) {
+            $this->assertStringContainsString("missing required field, targetRedundancyType", (string)$e);
+        }
+
+        $request = new Models\CreateBucketDataRedundancyTransitionRequest('bucket-123', Models\DataRedundancyType::ZRS);
+        $input = BucketRedundancyTransition::fromCreateBucketDataRedundancyTransition($request);
+        $this->assertEquals('bucket-123', $input->getBucket());
+        $this->assertEquals(Models\DataRedundancyType::ZRS, $input->getParameters()['x-oss-target-redundancy-type']);
+    }
+
+    public function testToCreateBucketDataRedundancyTransition()
+    {
+        // empty output
+        $output = new OperationOutput();
+        $result = BucketRedundancyTransition::toCreateBucketDataRedundancyTransition($output);
+        $this->assertEquals('', $result->status);
+        $this->assertEquals(0, $result->statusCode);
+        $this->assertEquals('', $result->requestId);
+        $this->assertEquals(0, count($result->headers));
+
+        $body = <<<BBB
+<?xml version="1.0" encoding="UTF-8"?>
+			<BucketDataRedundancyTransition>
+			  <TaskId>4be5beb0f74f490186311b268bf6****</TaskId>
+			</BucketDataRedundancyTransition>
+BBB;
+
+        $output = new OperationOutput(
+            'OK',
+            200,
+            ['x-oss-request-id' => '123', 'content-type' => 'application/xml'],
+            body: Utils::streamFor($body)
+        );
+        $result = BucketRedundancyTransition::toCreateBucketDataRedundancyTransition($output);
+        $this->assertEquals('OK', $result->status);
+        $this->assertEquals(200, $result->statusCode);
+        $this->assertEquals('123', $result->requestId);
+        $this->assertEquals(2, count($result->headers));
+        $this->assertEquals('123', $result->headers['x-oss-request-id']);
+        $this->assertEquals('application/xml', $result->headers['content-type']);
+        $this->assertEquals('4be5beb0f74f490186311b268bf6****', $result->bucketDataRedundancyTransition->taskId);
+    }
+
+    public function testFromGetBucketDataRedundancyTransition()
+    {
+        // miss required field
+        try {
+            $request = new Models\GetBucketDataRedundancyTransitionRequest();
+            $input = BucketRedundancyTransition::fromGetBucketDataRedundancyTransition($request);
+            $this->assertTrue(false, "should not here");
+        } catch (\InvalidArgumentException $e) {
+            $this->assertStringContainsString("missing required field, bucket", (string)$e);
+        }
+
+        try {
+            $request = new Models\GetBucketDataRedundancyTransitionRequest('bucket-123');
+            $input = BucketRedundancyTransition::fromGetBucketDataRedundancyTransition($request);
+            $this->assertTrue(false, "should not here");
+        } catch (\InvalidArgumentException $e) {
+            $this->assertStringContainsString("missing required field, redundancyTransitionTaskid", (string)$e);
+        }
+
+        $request = new Models\GetBucketDataRedundancyTransitionRequest('bucket-123', 'task-123');
+        $input = BucketRedundancyTransition::fromGetBucketDataRedundancyTransition($request);
+        $this->assertEquals('bucket-123', $input->getBucket());
+        $this->assertEquals('1B2M2Y8AsgTpgAmY7PhCfg==', $input->getHeaders()['content-md5']);
+        $this->assertEquals('task-123', $input->getParameters()['x-oss-redundancy-transition-taskid']);
+    }
+
+    public function testToGetBucketDataRedundancyTransition()
+    {
+        // empty output
+        $output = new OperationOutput();
+        $result = BucketRedundancyTransition::toGetBucketDataRedundancyTransition($output);
+        $this->assertEquals('', $result->status);
+        $this->assertEquals(0, $result->statusCode);
+        $this->assertEquals('', $result->requestId);
+        $this->assertEquals(0, count($result->headers));
+
+        $body = '<?xml version="1.0" encoding="UTF-8"?>
+<BucketDataRedundancyTransition>
+  <Bucket>examplebucket</Bucket>
+  <TaskId>4be5beb0f74f490186311b268bf6****</TaskId>
+  <Status>Queueing</Status>
+  <CreateTime>2023-11-17T09:11:58.000Z</CreateTime>
+</BucketDataRedundancyTransition>';
+        $output = new OperationOutput(
+            'OK',
+            200,
+            ['x-oss-request-id' => '123', 'content-type' => 'application/xml'],
+            Utils::streamFor($body)
+        );
+        $result = BucketRedundancyTransition::toGetBucketDataRedundancyTransition($output);
+        $this->assertEquals('OK', $result->status);
+        $this->assertEquals(200, $result->statusCode);
+        $this->assertEquals('123', $result->requestId);
+        $this->assertEquals(2, count($result->headers));
+        $this->assertEquals('123', $result->headers['x-oss-request-id']);
+        $this->assertEquals('application/xml', $result->headers['content-type']);
+        $this->assertEquals('examplebucket', $result->bucketDataRedundancyTransition->bucket);
+        $this->assertEquals('4be5beb0f74f490186311b268bf6****', $result->bucketDataRedundancyTransition->taskId);
+        $this->assertEquals('Queueing', $result->bucketDataRedundancyTransition->status);
+        $this->assertEquals('2023-11-17T09:11:58.000Z', $result->bucketDataRedundancyTransition->createTime);
+
+        $body = '<?xml version="1.0" encoding="UTF-8"?>
+<BucketDataRedundancyTransition>
+  <Bucket>examplebucket</Bucket>
+  <TaskId>909c6c818dd041d1a44e0fdc66aa****</TaskId>
+  <Status>Processing</Status>
+  <CreateTime>2023-11-17T09:14:39.000Z</CreateTime>
+  <StartTime>2023-11-17T09:14:39.000Z</StartTime>
+  <ProcessPercentage>0</ProcessPercentage>
+  <EstimatedRemainingTime>100</EstimatedRemainingTime>
+</BucketDataRedundancyTransition>';
+        $output = new OperationOutput(
+            'OK',
+            200,
+            ['x-oss-request-id' => '123', 'content-type' => 'application/xml'],
+            Utils::streamFor($body)
+        );
+        $result = BucketRedundancyTransition::toGetBucketDataRedundancyTransition($output);
+        $this->assertEquals('OK', $result->status);
+        $this->assertEquals(200, $result->statusCode);
+        $this->assertEquals('123', $result->requestId);
+        $this->assertEquals(2, count($result->headers));
+        $this->assertEquals('123', $result->headers['x-oss-request-id']);
+        $this->assertEquals('application/xml', $result->headers['content-type']);
+        $this->assertEquals('examplebucket', $result->bucketDataRedundancyTransition->bucket);
+        $this->assertEquals('909c6c818dd041d1a44e0fdc66aa****', $result->bucketDataRedundancyTransition->taskId);
+        $this->assertEquals('Processing', $result->bucketDataRedundancyTransition->status);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->bucketDataRedundancyTransition->createTime);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->bucketDataRedundancyTransition->startTime);
+        $this->assertEquals(0, $result->bucketDataRedundancyTransition->processPercentage);
+        $this->assertEquals(100, $result->bucketDataRedundancyTransition->estimatedRemainingTime);
+
+        $body = '<?xml version="1.0" encoding="UTF-8"?>
+<BucketDataRedundancyTransition>
+  <Bucket>examplebucket</Bucket>
+  <TaskId>909c6c818dd041d1a44e0fdc66aa****</TaskId>
+  <Status>Finished</Status>
+  <CreateTime>2023-11-17T09:14:39.000Z</CreateTime>
+  <StartTime>2023-11-17T09:14:39.000Z</StartTime>
+  <ProcessPercentage>100</ProcessPercentage>
+  <EstimatedRemainingTime>0</EstimatedRemainingTime>
+  <EndTime>2023-11-18T09:14:39.000Z</EndTime>
+</BucketDataRedundancyTransition>';
+        $output = new OperationOutput(
+            'OK',
+            200,
+            ['x-oss-request-id' => '123', 'content-type' => 'application/xml'],
+            Utils::streamFor($body)
+        );
+        $result = BucketRedundancyTransition::toGetBucketDataRedundancyTransition($output);
+        $this->assertEquals('OK', $result->status);
+        $this->assertEquals(200, $result->statusCode);
+        $this->assertEquals('123', $result->requestId);
+        $this->assertEquals(2, count($result->headers));
+        $this->assertEquals('123', $result->headers['x-oss-request-id']);
+        $this->assertEquals('application/xml', $result->headers['content-type']);
+        $this->assertEquals('examplebucket', $result->bucketDataRedundancyTransition->bucket);
+        $this->assertEquals('909c6c818dd041d1a44e0fdc66aa****', $result->bucketDataRedundancyTransition->taskId);
+        $this->assertEquals('Finished', $result->bucketDataRedundancyTransition->status);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->bucketDataRedundancyTransition->createTime);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->bucketDataRedundancyTransition->startTime);
+        $this->assertEquals(100, $result->bucketDataRedundancyTransition->processPercentage);
+        $this->assertEquals(0, $result->bucketDataRedundancyTransition->estimatedRemainingTime);
+        $this->assertEquals('2023-11-18T09:14:39.000Z', $result->bucketDataRedundancyTransition->endTime);
+    }
+
+    public function testFromDeleteBucketDataRedundancyTransition()
+    {
+        // miss required field
+        try {
+            $request = new Models\DeleteBucketDataRedundancyTransitionRequest();
+            $input = BucketRedundancyTransition::fromDeleteBucketDataRedundancyTransition($request);
+            $this->assertTrue(false, "should not here");
+        } catch (\InvalidArgumentException $e) {
+            $this->assertStringContainsString("missing required field, bucket", (string)$e);
+        }
+
+        try {
+            $request = new Models\DeleteBucketDataRedundancyTransitionRequest('bucket-123');
+            $input = BucketRedundancyTransition::fromDeleteBucketDataRedundancyTransition($request);
+            $this->assertTrue(false, "should not here");
+        } catch (\InvalidArgumentException $e) {
+            $this->assertStringContainsString("missing required field, redundancyTransitionTaskid", (string)$e);
+        }
+
+        $request = new Models\DeleteBucketDataRedundancyTransitionRequest('bucket-123', 'task-123');
+        $input = BucketRedundancyTransition::fromDeleteBucketDataRedundancyTransition($request);
+        $this->assertEquals('bucket-123', $input->getBucket());
+        $this->assertEquals('1B2M2Y8AsgTpgAmY7PhCfg==', $input->getHeaders()['content-md5']);
+        $this->assertEquals('task-123', $input->getParameters()['x-oss-redundancy-transition-taskid']);
+    }
+
+    public function testToDeleteBucketDataRedundancyTransition()
+    {
+        // empty output
+        $output = new OperationOutput();
+        $result = BucketRedundancyTransition::toDeleteBucketDataRedundancyTransition($output);
+        $this->assertEquals('', $result->status);
+        $this->assertEquals(0, $result->statusCode);
+        $this->assertEquals('', $result->requestId);
+        $this->assertEquals(0, count($result->headers));
+
+        $output = new OperationOutput(
+            'No Content',
+            204,
+            ['x-oss-request-id' => '123']
+        );
+        $result = BucketRedundancyTransition::toDeleteBucketDataRedundancyTransition($output);
+        $this->assertEquals('No Content', $result->status);
+        $this->assertEquals(204, $result->statusCode);
+        $this->assertEquals('123', $result->requestId);
+        $this->assertEquals(1, count($result->headers));
+        $this->assertEquals('123', $result->headers['x-oss-request-id']);
+    }
+
+    public function testFromListBucketDataRedundancyTransition()
+    {
+        // miss required field
+        try {
+            $request = new Models\ListBucketDataRedundancyTransitionRequest();
+            $input = BucketRedundancyTransition::fromListBucketDataRedundancyTransition($request);
+            $this->assertTrue(false, "should not here");
+        } catch (\InvalidArgumentException $e) {
+            $this->assertStringContainsString("missing required field, bucket", (string)$e);
+        }
+
+        $request = new Models\ListBucketDataRedundancyTransitionRequest('bucket-123');
+        $input = BucketRedundancyTransition::fromListBucketDataRedundancyTransition($request);
+        $this->assertEquals('bucket-123', $input->getBucket());
+        $this->assertEquals('1B2M2Y8AsgTpgAmY7PhCfg==', $input->getHeaders()['content-md5']);
+    }
+
+    public function testToListBucketDataRedundancyTransition()
+    {
+        // empty output
+        $output = new OperationOutput();
+        $result = BucketRedundancyTransition::toListBucketDataRedundancyTransition($output);
+        $this->assertEquals('', $result->status);
+        $this->assertEquals(0, $result->statusCode);
+        $this->assertEquals('', $result->requestId);
+        $this->assertEquals(0, count($result->headers));
+
+        $body = '<?xml version="1.0" encoding="UTF-8"?>
+<ListBucketDataRedundancyTransition>
+<BucketDataRedundancyTransition>
+  <Bucket>examplebucket</Bucket>
+  <TaskId>4be5beb0f74f490186311b268bf6****</TaskId>
+  <Status>Queueing</Status>
+  <CreateTime>2023-11-17T09:11:58.000Z</CreateTime>
+</BucketDataRedundancyTransition>
+</ListBucketDataRedundancyTransition>';
+        $output = new OperationOutput(
+            'OK',
+            200,
+            ['x-oss-request-id' => '123', 'content-type' => 'application/xml'],
+            Utils::streamFor($body)
+        );
+        $result = BucketRedundancyTransition::toListBucketDataRedundancyTransition($output);
+        $this->assertEquals('OK', $result->status);
+        $this->assertEquals(200, $result->statusCode);
+        $this->assertEquals('123', $result->requestId);
+        $this->assertEquals(2, count($result->headers));
+        $this->assertEquals('123', $result->headers['x-oss-request-id']);
+        $this->assertEquals('application/xml', $result->headers['content-type']);
+        $this->assertEquals('examplebucket', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->bucket);
+        $this->assertEquals('4be5beb0f74f490186311b268bf6****', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->taskId);
+        $this->assertEquals('Queueing', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->status);
+        $this->assertEquals('2023-11-17T09:11:58.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->createTime);
+
+        $body = '<?xml version="1.0" encoding="UTF-8"?>
+<ListBucketDataRedundancyTransition>
+<BucketDataRedundancyTransition>
+  <Bucket>examplebucket</Bucket>
+  <TaskId>909c6c818dd041d1a44e0fdc66aa****</TaskId>
+  <Status>Processing</Status>
+  <CreateTime>2023-11-17T09:14:39.000Z</CreateTime>
+  <StartTime>2023-11-17T09:14:39.000Z</StartTime>
+  <ProcessPercentage>0</ProcessPercentage>
+  <EstimatedRemainingTime>100</EstimatedRemainingTime>
+</BucketDataRedundancyTransition>
+</ListBucketDataRedundancyTransition>';
+        $output = new OperationOutput(
+            'OK',
+            200,
+            ['x-oss-request-id' => '123', 'content-type' => 'application/xml'],
+            Utils::streamFor($body)
+        );
+        $result = BucketRedundancyTransition::toListBucketDataRedundancyTransition($output);
+        $this->assertEquals('OK', $result->status);
+        $this->assertEquals(200, $result->statusCode);
+        $this->assertEquals('123', $result->requestId);
+        $this->assertEquals(2, count($result->headers));
+        $this->assertEquals('123', $result->headers['x-oss-request-id']);
+        $this->assertEquals('application/xml', $result->headers['content-type']);
+        $this->assertEquals('examplebucket', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->bucket);
+        $this->assertEquals('909c6c818dd041d1a44e0fdc66aa****', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->taskId);
+        $this->assertEquals('Processing', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->status);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->createTime);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->startTime);
+        $this->assertEquals(0, $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->processPercentage);
+        $this->assertEquals(100, $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->estimatedRemainingTime);
+
+        $body = '<?xml version="1.0" encoding="UTF-8"?>
+<ListBucketDataRedundancyTransition>
+<BucketDataRedundancyTransition>
+  <Bucket>examplebucket</Bucket>
+  <TaskId>909c6c818dd041d1a44e0fdc66aa****</TaskId>
+  <Status>Finished</Status>
+  <CreateTime>2023-11-17T09:14:39.000Z</CreateTime>
+  <StartTime>2023-11-17T09:14:39.000Z</StartTime>
+  <ProcessPercentage>100</ProcessPercentage>
+  <EstimatedRemainingTime>0</EstimatedRemainingTime>
+  <EndTime>2023-11-18T09:14:39.000Z</EndTime>
+</BucketDataRedundancyTransition>
+</ListBucketDataRedundancyTransition>';
+        $output = new OperationOutput(
+            'OK',
+            200,
+            ['x-oss-request-id' => '123', 'content-type' => 'application/xml'],
+            Utils::streamFor($body)
+        );
+        $result = BucketRedundancyTransition::toListBucketDataRedundancyTransition($output);
+        $this->assertEquals('OK', $result->status);
+        $this->assertEquals(200, $result->statusCode);
+        $this->assertEquals('123', $result->requestId);
+        $this->assertEquals(2, count($result->headers));
+        $this->assertEquals('123', $result->headers['x-oss-request-id']);
+        $this->assertEquals('application/xml', $result->headers['content-type']);
+        $this->assertEquals('examplebucket', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->bucket);
+        $this->assertEquals('909c6c818dd041d1a44e0fdc66aa****', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->taskId);
+        $this->assertEquals('Finished', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->status);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->createTime);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->startTime);
+        $this->assertEquals(100, $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->processPercentage);
+        $this->assertEquals(0, $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->estimatedRemainingTime);
+        $this->assertEquals('2023-11-18T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->endTime);
+    }
+
+    public function testFromListUserDataRedundancyTransition()
+    {
+        $request = new Models\ListUserDataRedundancyTransitionRequest();
+        $input = BucketRedundancyTransition::fromListUserDataRedundancyTransition($request);
+        $this->assertEquals('1B2M2Y8AsgTpgAmY7PhCfg==', $input->getHeaders()['content-md5']);
+
+        $request = new Models\ListUserDataRedundancyTransitionRequest('token');
+        $input = BucketRedundancyTransition::fromListUserDataRedundancyTransition($request);
+        $this->assertEquals('1B2M2Y8AsgTpgAmY7PhCfg==', $input->getHeaders()['content-md5']);
+        $this->assertEquals('token', $input->getParameters()['continuation-token']);
+
+        $request = new Models\ListUserDataRedundancyTransitionRequest('token', '100');
+        $input = BucketRedundancyTransition::fromListUserDataRedundancyTransition($request);
+        $this->assertEquals('1B2M2Y8AsgTpgAmY7PhCfg==', $input->getHeaders()['content-md5']);
+        $this->assertEquals('token', $input->getParameters()['continuation-token']);
+        $this->assertEquals(100, $input->getParameters()['max-keys']);
+    }
+
+    public function testToListUserDataRedundancyTransition()
+    {
+        // empty output
+        $output = new OperationOutput();
+        $result = BucketRedundancyTransition::toListBucketDataRedundancyTransition($output);
+        $this->assertEquals('', $result->status);
+        $this->assertEquals(0, $result->statusCode);
+        $this->assertEquals('', $result->requestId);
+        $this->assertEquals(0, count($result->headers));
+
+        $body = '<?xml version="1.0" encoding="UTF-8"?>
+<ListBucketDataRedundancyTransition>
+<BucketDataRedundancyTransition>
+  <Bucket>examplebucket</Bucket>
+  <TaskId>4be5beb0f74f490186311b268bf6****</TaskId>
+  <Status>Queueing</Status>
+  <CreateTime>2023-11-17T09:11:58.000Z</CreateTime>
+</BucketDataRedundancyTransition>
+<BucketDataRedundancyTransition>
+  <Bucket>examplebucket1</Bucket>
+  <TaskId>909c6c818dd041d1a44e0fdc66aa****</TaskId>
+  <Status>Processing</Status>
+  <CreateTime>2023-11-17T09:14:39.000Z</CreateTime>
+  <StartTime>2023-11-17T09:14:39.000Z</StartTime>
+  <ProcessPercentage>0</ProcessPercentage>
+  <EstimatedRemainingTime>100</EstimatedRemainingTime>
+</BucketDataRedundancyTransition>
+<BucketDataRedundancyTransition>
+  <Bucket>examplebucket2</Bucket>
+  <TaskId>909c6c818dd041d1a44e0fdc66aa****</TaskId>
+  <Status>Finished</Status>
+  <CreateTime>2023-11-17T09:14:39.000Z</CreateTime>
+  <StartTime>2023-11-17T09:14:39.000Z</StartTime>
+  <ProcessPercentage>100</ProcessPercentage>
+  <EstimatedRemainingTime>0</EstimatedRemainingTime>
+  <EndTime>2023-11-18T09:14:39.000Z</EndTime>
+</BucketDataRedundancyTransition>
+<IsTruncated>false</IsTruncated>
+<NextContinuationToken></NextContinuationToken>
+</ListBucketDataRedundancyTransition>';
+        $output = new OperationOutput(
+            'OK',
+            200,
+            ['x-oss-request-id' => '123', 'content-type' => 'application/xml'],
+            Utils::streamFor($body)
+        );
+        $result = BucketRedundancyTransition::toListBucketDataRedundancyTransition($output);
+        $this->assertEquals('OK', $result->status);
+        $this->assertEquals(200, $result->statusCode);
+        $this->assertEquals('123', $result->requestId);
+        $this->assertEquals(2, count($result->headers));
+        $this->assertEquals('123', $result->headers['x-oss-request-id']);
+        $this->assertEquals('application/xml', $result->headers['content-type']);
+        $this->assertEquals(3, count($result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions));
+        $this->assertEquals('examplebucket', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->bucket);
+        $this->assertEquals('4be5beb0f74f490186311b268bf6****', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->taskId);
+        $this->assertEquals('Queueing', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->status);
+        $this->assertEquals('2023-11-17T09:11:58.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[0]->createTime);
+
+        $this->assertEquals('examplebucket1', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[1]->bucket);
+        $this->assertEquals('909c6c818dd041d1a44e0fdc66aa****', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[1]->taskId);
+        $this->assertEquals('Processing', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[1]->status);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[1]->createTime);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[1]->startTime);
+        $this->assertEquals(0, $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[1]->processPercentage);
+        $this->assertEquals(100, $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[1]->estimatedRemainingTime);
+
+        $this->assertEquals('examplebucket2', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[2]->bucket);
+        $this->assertEquals('909c6c818dd041d1a44e0fdc66aa****', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[2]->taskId);
+        $this->assertEquals('Finished', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[2]->status);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[2]->createTime);
+        $this->assertEquals('2023-11-17T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[2]->startTime);
+        $this->assertEquals(100, $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[2]->processPercentage);
+        $this->assertEquals(0, $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[2]->estimatedRemainingTime);
+        $this->assertEquals('2023-11-18T09:14:39.000Z', $result->listBucketDataRedundancyTransition->bucketDataRedundancyTransitions[2]->endTime);
+    }
+
+    private function cleanXml($xml): array|string
+    {
+        return str_replace("\n", "", str_replace("\r", "", $xml));
+    }
+}