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new file mode 100755
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diff --git a/sample/abortMultipartUpload.php b/sample/abortMultipartUpload.php
index 0d8cf88..2275303 100644
--- a/sample/abortMultipartUpload.php
+++ b/sample/abortMultipartUpload.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/appendObject.php b/sample/appendObject.php
index 88ac654..76ed206 100644
--- a/sample/appendObject.php
+++ b/sample/appendObject.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials' => array(
             'secretId' => $secretId,
             'secretKey' => $secretKey)));
diff --git a/sample/blindWatermark.php b/sample/blindWatermark.php
index e8252a3..e883a09 100644
--- a/sample/blindWatermark.php
+++ b/sample/blindWatermark.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/catchException.php b/sample/catchException.php
index 0c12f54..a9d6088 100644
--- a/sample/catchException.php
+++ b/sample/catchException.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/ciTransformation.php b/sample/ciTransformation.php
index 9dbab31..418d7e1 100644
--- a/sample/ciTransformation.php
+++ b/sample/ciTransformation.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/completeMultipartUpload.php b/sample/completeMultipartUpload.php
index 5950368..8a1b0d5 100644
--- a/sample/completeMultipartUpload.php
+++ b/sample/completeMultipartUpload.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/copy.php b/sample/copy.php
index f400dc3..e8979b0 100644
--- a/sample/copy.php
+++ b/sample/copy.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/copyObject.php b/sample/copyObject.php
index d58fc93..8eb7d94 100644
--- a/sample/copyObject.php
+++ b/sample/copyObject.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/cosClient.php b/sample/cosClient.php
index 4b68d1a..0aedae2 100644
--- a/sample/cosClient.php
+++ b/sample/cosClient.php
@@ -19,6 +19,7 @@
         'proxy' => '', //代理服务器
         'retry' => 10, //重试次数
         'userAgent' => '', //UA
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'allow_redirects' => false, //是否follow302
         'credentials'=> array(
             'secretId'  => $secretId ,
diff --git a/sample/createBucket.php b/sample/createBucket.php
index a2ed0d2..0a29c3b 100644
--- a/sample/createBucket.php
+++ b/sample/createBucket.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/createDocProcessJobs.php b/sample/createDocProcessJobs.php
index ca8e654..6c3afd9 100644
--- a/sample/createDocProcessJobs.php
+++ b/sample/createDocProcessJobs.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/createFolder.php b/sample/createFolder.php
index 1d3b26d..cfc64ef 100644
--- a/sample/createFolder.php
+++ b/sample/createFolder.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/createMediaConcatJobs.php b/sample/createMediaConcatJobs.php
index 090a449..2bc783b 100644
--- a/sample/createMediaConcatJobs.php
+++ b/sample/createMediaConcatJobs.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/createMediaSnapshotJobs.php b/sample/createMediaSnapshotJobs.php
index 16e0d90..5c9c745 100644
--- a/sample/createMediaSnapshotJobs.php
+++ b/sample/createMediaSnapshotJobs.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/createMediaTranscodeJobs.php b/sample/createMediaTranscodeJobs.php
index 3e97d24..5709bdf 100644
--- a/sample/createMediaTranscodeJobs.php
+++ b/sample/createMediaTranscodeJobs.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/createMediaVoiceSeparateJobs.php b/sample/createMediaVoiceSeparateJobs.php
index 1f16d59..73a401f 100644
--- a/sample/createMediaVoiceSeparateJobs.php
+++ b/sample/createMediaVoiceSeparateJobs.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/createMultipartUpload.php b/sample/createMultipartUpload.php
index d81756f..2234cfc 100644
--- a/sample/createMultipartUpload.php
+++ b/sample/createMultipartUpload.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteBucket.php b/sample/deleteBucket.php
index 700cb87..a5b6a29 100644
--- a/sample/deleteBucket.php
+++ b/sample/deleteBucket.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteBucketCors.php b/sample/deleteBucketCors.php
index c4ebd87..93cda05 100644
--- a/sample/deleteBucketCors.php
+++ b/sample/deleteBucketCors.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteBucketDomain.php b/sample/deleteBucketDomain.php
index cbb5ba2..97452f2 100644
--- a/sample/deleteBucketDomain.php
+++ b/sample/deleteBucketDomain.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteBucketGuetzli.php b/sample/deleteBucketGuetzli.php
index 5c00244..2f81712 100644
--- a/sample/deleteBucketGuetzli.php
+++ b/sample/deleteBucketGuetzli.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteBucketImageStyle.php b/sample/deleteBucketImageStyle.php
index bc403a0..953c1ad 100644
--- a/sample/deleteBucketImageStyle.php
+++ b/sample/deleteBucketImageStyle.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteBucketLifecycle.php b/sample/deleteBucketLifecycle.php
index 69985d7..e765764 100644
--- a/sample/deleteBucketLifecycle.php
+++ b/sample/deleteBucketLifecycle.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteBucketTagging.php b/sample/deleteBucketTagging.php
index ce6ac23..b5fffb7 100644
--- a/sample/deleteBucketTagging.php
+++ b/sample/deleteBucketTagging.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteBucketWebsite.php b/sample/deleteBucketWebsite.php
index 2b6a300..9a0f11f 100644
--- a/sample/deleteBucketWebsite.php
+++ b/sample/deleteBucketWebsite.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteBuckets.php b/sample/deleteBuckets.php
index d7f1ba1..defb3ef 100644
--- a/sample/deleteBuckets.php
+++ b/sample/deleteBuckets.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteFolder.php b/sample/deleteFolder.php
index f771405..77d5bfd 100644
--- a/sample/deleteFolder.php
+++ b/sample/deleteFolder.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteObject.php b/sample/deleteObject.php
index 133667c..4d50167 100644
--- a/sample/deleteObject.php
+++ b/sample/deleteObject.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/deleteObjectTagging.php b/sample/deleteObjectTagging.php
index 2d1ad16..021202c 100644
--- a/sample/deleteObjectTagging.php
+++ b/sample/deleteObjectTagging.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/detectAudio.php b/sample/detectAudio.php
index 5cba84f..aaf6245 100644
--- a/sample/detectAudio.php
+++ b/sample/detectAudio.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/detectDocument.php b/sample/detectDocument.php
index 5d84675..9eff7b4 100644
--- a/sample/detectDocument.php
+++ b/sample/detectDocument.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/detectImage.php b/sample/detectImage.php
index 58a21e9..a3f8c1c 100644
--- a/sample/detectImage.php
+++ b/sample/detectImage.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials' => array(
             'secretId' => $secretId,
             'secretKey' => $secretKey)));
diff --git a/sample/detectImages.php b/sample/detectImages.php
index b35024a..c99b07d 100644
--- a/sample/detectImages.php
+++ b/sample/detectImages.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials' => array(
             'secretId' => $secretId,
             'secretKey' => $secretKey)));
diff --git a/sample/detectLable.php b/sample/detectLable.php
index e0aa056..12264c3 100644
--- a/sample/detectLable.php
+++ b/sample/detectLable.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/detectText.php b/sample/detectText.php
index d8f6f12..f52d60d 100644
--- a/sample/detectText.php
+++ b/sample/detectText.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/detectVideo.php b/sample/detectVideo.php
index 5810fc6..4773f6f 100644
--- a/sample/detectVideo.php
+++ b/sample/detectVideo.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/detectVirus.php b/sample/detectVirus.php
index 5cc3747..cebe3d8 100644
--- a/sample/detectVirus.php
+++ b/sample/detectVirus.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/detectWebpage.php b/sample/detectWebpage.php
index cf38dbd..1eb34cc 100644
--- a/sample/detectWebpage.php
+++ b/sample/detectWebpage.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials' => array(
             'secretId' => $secretId,
             'secretKey' => $secretKey)));
diff --git a/sample/doesBucketExist.php b/sample/doesBucketExist.php
index 9c5641d..b093a0c 100644
--- a/sample/doesBucketExist.php
+++ b/sample/doesBucketExist.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/doesObjectExist.php b/sample/doesObjectExist.php
index ff297c9..bf183ec 100644
--- a/sample/doesObjectExist.php
+++ b/sample/doesObjectExist.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/download.php b/sample/download.php
index f266e92..dac7063 100644
--- a/sample/download.php
+++ b/sample/download.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/downloadFolder.php b/sample/downloadFolder.php
index db91471..2712cbb 100644
--- a/sample/downloadFolder.php
+++ b/sample/downloadFolder.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey
diff --git a/sample/getBlindWatermark.php b/sample/getBlindWatermark.php
index d300fe5..c1e877f 100644
--- a/sample/getBlindWatermark.php
+++ b/sample/getBlindWatermark.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketAccelerate.php b/sample/getBucketAccelerate.php
index bf4e1bc..8c8708b 100644
--- a/sample/getBucketAccelerate.php
+++ b/sample/getBucketAccelerate.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketAcl.php b/sample/getBucketAcl.php
index b37d93a..bf3357b 100644
--- a/sample/getBucketAcl.php
+++ b/sample/getBucketAcl.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketCors.php b/sample/getBucketCors.php
index 405b63b..8a0151b 100644
--- a/sample/getBucketCors.php
+++ b/sample/getBucketCors.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketDomain.php b/sample/getBucketDomain.php
index 6c74798..9fad557 100644
--- a/sample/getBucketDomain.php
+++ b/sample/getBucketDomain.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketGuetzli.php b/sample/getBucketGuetzli.php
index 145f331..ab72fd7 100644
--- a/sample/getBucketGuetzli.php
+++ b/sample/getBucketGuetzli.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketImageStyle.php b/sample/getBucketImageStyle.php
index 962c797..870bb4d 100644
--- a/sample/getBucketImageStyle.php
+++ b/sample/getBucketImageStyle.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketInventory.php b/sample/getBucketInventory.php
index 87e78c5..38f390f 100644
--- a/sample/getBucketInventory.php
+++ b/sample/getBucketInventory.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketLifecycle.php b/sample/getBucketLifecycle.php
index 0552591..ccba9fa 100644
--- a/sample/getBucketLifecycle.php
+++ b/sample/getBucketLifecycle.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketLogging.php b/sample/getBucketLogging.php
index 9b5b713..716319c 100644
--- a/sample/getBucketLogging.php
+++ b/sample/getBucketLogging.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketReferer.php b/sample/getBucketReferer.php
index 48d52c5..2e9cc4c 100644
--- a/sample/getBucketReferer.php
+++ b/sample/getBucketReferer.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials' => array(
             'secretId' => $secretId,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketTagging.php b/sample/getBucketTagging.php
index e89a40a..cd73b98 100644
--- a/sample/getBucketTagging.php
+++ b/sample/getBucketTagging.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getBucketWebsite.php b/sample/getBucketWebsite.php
index 8a31f5b..1330a8d 100644
--- a/sample/getBucketWebsite.php
+++ b/sample/getBucketWebsite.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDescribeDocProcessJob.php b/sample/getDescribeDocProcessJob.php
index fbfaf01..64f832e 100644
--- a/sample/getDescribeDocProcessJob.php
+++ b/sample/getDescribeDocProcessJob.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDescribeDocProcessJobs.php b/sample/getDescribeDocProcessJobs.php
index c3c53d8..f5dd192 100644
--- a/sample/getDescribeDocProcessJobs.php
+++ b/sample/getDescribeDocProcessJobs.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDescribeDocProcessQueues.php b/sample/getDescribeDocProcessQueues.php
index 4dcb405..26127f1 100644
--- a/sample/getDescribeDocProcessQueues.php
+++ b/sample/getDescribeDocProcessQueues.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDescribeMediaVoiceSeparateJob.php b/sample/getDescribeMediaVoiceSeparateJob.php
index 3b5fc7e..1681353 100644
--- a/sample/getDescribeMediaVoiceSeparateJob.php
+++ b/sample/getDescribeMediaVoiceSeparateJob.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDetectAudioResult.php b/sample/getDetectAudioResult.php
index 5c418c9..123a451 100644
--- a/sample/getDetectAudioResult.php
+++ b/sample/getDetectAudioResult.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDetectDocumentResult.php b/sample/getDetectDocumentResult.php
index 6d72ada..f457e1b 100644
--- a/sample/getDetectDocumentResult.php
+++ b/sample/getDetectDocumentResult.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDetectImageResult.php b/sample/getDetectImageResult.php
index 00036ab..bcefbbd 100644
--- a/sample/getDetectImageResult.php
+++ b/sample/getDetectImageResult.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDetectTextResult.php b/sample/getDetectTextResult.php
index c98fae6..2b3cfa3 100644
--- a/sample/getDetectTextResult.php
+++ b/sample/getDetectTextResult.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDetectVideoResult.php b/sample/getDetectVideoResult.php
index a4c4d78..dd556ae 100644
--- a/sample/getDetectVideoResult.php
+++ b/sample/getDetectVideoResult.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDetectVirusResult.php b/sample/getDetectVirusResult.php
index 5c10a97..5f36fa3 100644
--- a/sample/getDetectVirusResult.php
+++ b/sample/getDetectVirusResult.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getDetectWebpageResult.php b/sample/getDetectWebpageResult.php
index cd79585..4f5530a 100644
--- a/sample/getDetectWebpageResult.php
+++ b/sample/getDetectWebpageResult.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', // 审核时必须为https
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getMediaInfo.php b/sample/getMediaInfo.php
index 28d328e..0a4892f 100644
--- a/sample/getMediaInfo.php
+++ b/sample/getMediaInfo.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getObject.php b/sample/getObject.php
index 6e7afda..7dad46e 100644
--- a/sample/getObject.php
+++ b/sample/getObject.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getObjectTagging.php b/sample/getObjectTagging.php
index 8bb6023..629c4a5 100644
--- a/sample/getObjectTagging.php
+++ b/sample/getObjectTagging.php
@@ -8,6 +8,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials' => array(
             'secretId' => $secretId,
             'secretKey' => $secretKey)));
diff --git a/sample/getObjectUrl.php b/sample/getObjectUrl.php
index 823cbfa..380db26 100644
--- a/sample/getObjectUrl.php
+++ b/sample/getObjectUrl.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials' => array(
             'secretId' => $secretId,
             'secretKey' => $secretKey
diff --git a/sample/getObjectWithoutSign.php b/sample/getObjectWithoutSign.php
index bc331f5..220ee65 100644
--- a/sample/getObjectWithoutSign.php
+++ b/sample/getObjectWithoutSign.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials' => array(
             'secretId' => $secretId,
             'secretKey' => $secretKey)));
diff --git a/sample/getPresignedUrl.php b/sample/getPresignedUrl.php
index 147cf68..1c7c9bf 100644
--- a/sample/getPresignedUrl.php
+++ b/sample/getPresignedUrl.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/getSnapshot.php b/sample/getSnapshot.php
index 68d928f..801364a 100644
--- a/sample/getSnapshot.php
+++ b/sample/getSnapshot.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/headBucket.php b/sample/headBucket.php
index ff1fd48..ddbcdbc 100644
--- a/sample/headBucket.php
+++ b/sample/headBucket.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/headObject.php b/sample/headObject.php
index e5e8e8b..dfd0c76 100644
--- a/sample/headObject.php
+++ b/sample/headObject.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/imageAve.php b/sample/imageAve.php
index 892bbcb..a1a1131 100644
--- a/sample/imageAve.php
+++ b/sample/imageAve.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/imageExif.php b/sample/imageExif.php
index a9973ce..487af9f 100644
--- a/sample/imageExif.php
+++ b/sample/imageExif.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/imageInfo.php b/sample/imageInfo.php
index 3166578..ac47424 100644
--- a/sample/imageInfo.php
+++ b/sample/imageInfo.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/imageMogr.php b/sample/imageMogr.php
index 435c12e..5451e20 100644
--- a/sample/imageMogr.php
+++ b/sample/imageMogr.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/imageProcess.php b/sample/imageProcess.php
index 0b70b7e..01d28e1 100644
--- a/sample/imageProcess.php
+++ b/sample/imageProcess.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/imageView.php b/sample/imageView.php
index 7a9873c..acad0d9 100644
--- a/sample/imageView.php
+++ b/sample/imageView.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/imageWatermark.php b/sample/imageWatermark.php
index 14a0b23..2960ba8 100644
--- a/sample/imageWatermark.php
+++ b/sample/imageWatermark.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/listBuckets.php b/sample/listBuckets.php
index 3ed6de2..a961ddc 100644
--- a/sample/listBuckets.php
+++ b/sample/listBuckets.php
@@ -9,6 +9,8 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
+        'enableOldDomain' => true,
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/listMultipartUploads.php b/sample/listMultipartUploads.php
index dc1050e..604b319 100644
--- a/sample/listMultipartUploads.php
+++ b/sample/listMultipartUploads.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/listObjects.php b/sample/listObjects.php
index 562a98b..0e90ffa 100644
--- a/sample/listObjects.php
+++ b/sample/listObjects.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/listParts.php b/sample/listParts.php
index d0c1053..a338769 100644
--- a/sample/listParts.php
+++ b/sample/listParts.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/picOperations.php b/sample/picOperations.php
index 5d419b6..22f43e3 100644
--- a/sample/picOperations.php
+++ b/sample/picOperations.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBlindWatermark.php b/sample/putBlindWatermark.php
index 872f9a9..e96a8f2 100644
--- a/sample/putBlindWatermark.php
+++ b/sample/putBlindWatermark.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketAccelerate.php b/sample/putBucketAccelerate.php
index 791631a..798d4ff 100644
--- a/sample/putBucketAccelerate.php
+++ b/sample/putBucketAccelerate.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketAcl.php b/sample/putBucketAcl.php
index 716ac8b..350d9ce 100644
--- a/sample/putBucketAcl.php
+++ b/sample/putBucketAcl.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketCors.php b/sample/putBucketCors.php
index 5ae60b5..e4aa58f 100644
--- a/sample/putBucketCors.php
+++ b/sample/putBucketCors.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketDomain.php b/sample/putBucketDomain.php
index 0431c4c..0e62356 100644
--- a/sample/putBucketDomain.php
+++ b/sample/putBucketDomain.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketGuetzli.php b/sample/putBucketGuetzli.php
index e7bcda4..bff1f2c 100644
--- a/sample/putBucketGuetzli.php
+++ b/sample/putBucketGuetzli.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketImageStyle.php b/sample/putBucketImageStyle.php
index 4df401b..8a02072 100644
--- a/sample/putBucketImageStyle.php
+++ b/sample/putBucketImageStyle.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketInventory.php b/sample/putBucketInventory.php
index 8e6f48d..28975ed 100644
--- a/sample/putBucketInventory.php
+++ b/sample/putBucketInventory.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketLifecycle.php b/sample/putBucketLifecycle.php
index 8f3b963..286f97c 100644
--- a/sample/putBucketLifecycle.php
+++ b/sample/putBucketLifecycle.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketLogging.php b/sample/putBucketLogging.php
index 0695959..36773ff 100644
--- a/sample/putBucketLogging.php
+++ b/sample/putBucketLogging.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketReferer.php b/sample/putBucketReferer.php
index 1de0687..37f8aa0 100644
--- a/sample/putBucketReferer.php
+++ b/sample/putBucketReferer.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials' => array(
             'secretId' => $secretId,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketTagging.php b/sample/putBucketTagging.php
index bf27b1e..5cde580 100644
--- a/sample/putBucketTagging.php
+++ b/sample/putBucketTagging.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putBucketWebsite.php b/sample/putBucketWebsite.php
index 96afb28..57c4d9f 100644
--- a/sample/putBucketWebsite.php
+++ b/sample/putBucketWebsite.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putImageStyle.php b/sample/putImageStyle.php
index dfa021f..160f928 100644
--- a/sample/putImageStyle.php
+++ b/sample/putImageStyle.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putObject.php b/sample/putObject.php
index 56860c9..ed19529 100644
--- a/sample/putObject.php
+++ b/sample/putObject.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putObjectTagging.php b/sample/putObjectTagging.php
index 4fe22ed..9e2c2dd 100644
--- a/sample/putObjectTagging.php
+++ b/sample/putObjectTagging.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/putQrcode.php b/sample/putQrcode.php
index 1951ada..dc9d4ce 100644
--- a/sample/putQrcode.php
+++ b/sample/putQrcode.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/qrcode.php b/sample/qrcode.php
index 0f35466..f29358b 100644
--- a/sample/qrcode.php
+++ b/sample/qrcode.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/qrcodeGenerate.php b/sample/qrcodeGenerate.php
index 16fd8d5..a5b48c3 100644
--- a/sample/qrcodeGenerate.php
+++ b/sample/qrcodeGenerate.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/restoreObject.php b/sample/restoreObject.php
index cfe0880..ac804b4 100644
--- a/sample/restoreObject.php
+++ b/sample/restoreObject.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/selectObjectContent.php b/sample/selectObjectContent.php
index c9b8de2..470f55a 100644
--- a/sample/selectObjectContent.php
+++ b/sample/selectObjectContent.php
@@ -8,6 +8,7 @@
 $cosClient = new Qcloud\Cos\Client(array(
     'region' => $region,
     'schema' => 'https', //协议头部，默认为http
+    'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
     'credentials'=> array(
         'secretId'  => $secretId ,
         'secretKey' => $secretKey
diff --git a/sample/textWatermark.php b/sample/textWatermark.php
index f8ef0a8..4d1d208 100644
--- a/sample/textWatermark.php
+++ b/sample/textWatermark.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/trafficLimit.php b/sample/trafficLimit.php
index 9bc8b1d..8cc31c9 100644
--- a/sample/trafficLimit.php
+++ b/sample/trafficLimit.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/upload.php b/sample/upload.php
index 1c92698..23b1e5d 100644
--- a/sample/upload.php
+++ b/sample/upload.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/sample/uploadFolder.php b/sample/uploadFolder.php
index 3885f7d..1a9b176 100644
--- a/sample/uploadFolder.php
+++ b/sample/uploadFolder.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey
diff --git a/sample/uploadPart.php b/sample/uploadPart.php
index b1709cc..118de03 100644
--- a/sample/uploadPart.php
+++ b/sample/uploadPart.php
@@ -9,6 +9,7 @@
     array(
         'region' => $region,
         'schema' => 'https', //协议头部，默认为http
+        'endpoint' => ".cos-internal." . $region . ".tencentcos.cn", // 默认为内网域名，使用公网域名请修改cos-internal为cos
         'credentials'=> array(
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
diff --git a/src/Client.php b/src/Client.php
index c5c5f01..d5cec81 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -124,7 +124,7 @@
  * @see \Qcloud\Cos\Service::getService()
  */
 class Client extends GuzzleClient {
-    const VERSION = '2.5.2';
+    const VERSION = '2.5.5';
 
     public $httpClient;
     
@@ -150,6 +150,7 @@ public function __construct(array $cosConfig) {
         $this->cosConfig['ip'] = isset($cosConfig['ip']) ? $cosConfig['ip'] : null;
         $this->cosConfig['port'] = isset($cosConfig['port']) ? $cosConfig['port'] : null;
         $this->cosConfig['endpoint'] = isset($cosConfig['endpoint']) ? $cosConfig['endpoint'] : null;
+        $this->cosConfig['endUri'] = isset($cosConfig['endUri']) ? $cosConfig['endUri'] : null;
         $this->cosConfig['domain'] = isset($cosConfig['domain']) ? $cosConfig['domain'] : null;
         $this->cosConfig['proxy'] = isset($cosConfig['proxy']) ? $cosConfig['proxy'] : null;
         $this->cosConfig['retry'] = isset($cosConfig['retry']) ? $cosConfig['retry'] : 1;
@@ -158,6 +159,8 @@ public function __construct(array $cosConfig) {
         $this->cosConfig['signHost'] = isset($cosConfig['signHost']) ? $cosConfig['signHost'] : true;
         $this->cosConfig['allow_redirects'] = isset($cosConfig['allow_redirects']) ? $cosConfig['allow_redirects'] : false;
         $this->cosConfig['allow_accelerate'] = isset($cosConfig['allow_accelerate']) ? $cosConfig['allow_accelerate'] : false;
+        $this->cosConfig['enableOldDomain'] = isset($cosConfig['enableOldDomain']) ? $cosConfig['enableOldDomain'] : false;
+        $this->cosConfig['enableInternalDomain'] = isset($cosConfig['enableInternalDomain']) ? $cosConfig['enableInternalDomain'] : true;
 
         // check config
         $this->inputCheck();
@@ -179,8 +182,25 @@ public function __construct(array $cosConfig) {
         $handler->push($this::handleErrors());
         $this->signature = new Signature($this->cosConfig['secretId'], $this->cosConfig['secretKey'], $this->cosConfig, $this->cosConfig['token']);
         $area = $this->cosConfig['allow_accelerate'] ? 'accelerate' : $this->cosConfig['region'];
+       
+        $base_uri = $this->cosConfig['schema'].'://cos-internal.' . $area . '.tencentcos.cn/';
+
+        if ($this->cosConfig['endpoint'] != null) {
+            $base_uri = $this->cosConfig['schema'].'://' . $this->cosConfig['endpoint'];
+        } else if($this->cosConfig['ip'] != null) {
+            $base_uri = $this->cosConfig['ip'];
+        } else if($this->cosConfig['domain'] != null) {
+            $base_uri = $this->cosConfig['domain'];
+        } else if($this->cosConfig['enableOldDomain']) {
+            $base_uri = $this->cosConfig['schema'].'://cos.' . $area . '.myqcloud.com/';
+        } else {
+            $base_uri = $this->cosConfig['enableInternalDomain'] ?
+                $this->cosConfig['schema'].'://cos-internal.' . $area . '.tencentcos.cn/' :
+                $this->cosConfig['schema'].'://cos.' . $area . '.tencentcos.cn/';
+        }
+
         $this->httpClient = new HttpClient([
-            'base_uri' => "{$this->cosConfig['schema']}://cos.{$area}.myqcloud.com/",
+            'base_uri' => $base_uri,
             'timeout' => $this->cosConfig['timeout'],
             'handler' => $handler,
             'proxy' => $this->cosConfig['proxy'],
diff --git a/src/CommandToRequestTransformer.php b/src/CommandToRequestTransformer.php
index ce5b970..792b743 100644
--- a/src/CommandToRequestTransformer.php
+++ b/src/CommandToRequestTransformer.php
@@ -22,20 +22,24 @@ public function __construct( $config, $operation ) {
     public function bucketStyleTransformer( CommandInterface $command, RequestInterface $request ) {
         $action = $command->getName();
         if ($action == 'ListBuckets') {
-            $uri =  "service.cos.myqcloud.com";
-    
-            if ($this->config['endpoint'] != null) {
-                $uri = $this->config['endpoint'];
-            }   
+            $uri =  "service.cos.tencentcos.cn";
+
+            if ($this->config['endUri'] != null) {
+                $uri = "service.cos." . $this->config['endUri'];
+            }
             if ($this->config['domain'] != null) {
                 $uri = $this->config['domain'];
-            }   
+            }
             if ($this->config['ip'] != null) {
                 $uri = $this->config['ip'];
                 if ($this->config['port'] != null) {
                     $uri = $this->config['ip'] . ":" . $this->config['port'];
-                }   
+                }
+            }
+            if ($this->config['enableOldDomain']) {
+                $uri = "service.cos.myqcloud.com";
             }
+        
             return $request->withUri(new Uri($this->config['schema']."://". $uri. "/"));
         }
         $operation = $this->operation;
@@ -63,19 +67,29 @@ public function bucketStyleTransformer( CommandInterface $command, RequestInterf
             }
         }
 
-        if ($this->config['endpoint'] == null) {
-            $this->config['endpoint'] = "myqcloud.com";
+        if ($this->config['endUri'] == null) {
+            if ($this->config['enableOldDomain']) {
+                $this->config['endUri'] = "myqcloud.com";
+            } else {
+                $this->config['endUri'] = "tencentcos.cn";
+            }
+        }
+
+        $domain_type = '.cos-internal.';
+
+        if (!$this->config['enableInternalDomain']) {
+            $domain_type = '.cos.';
         }
 
-        $domain_type = '.cos.';
         if ($action == 'PutBucketImageStyle' || $action == 'GetBucketImageStyle' || $action == 'DeleteBucketImageStyle'
             || $action == 'PutBucketGuetzli' || $action == 'GetBucketGuetzli' || $action == 'DeleteBucketGuetzli') {
             $domain_type = '.pic.';
+            $this->config['endUri'] = "myqcloud.com";
         }
 
         $origin_host = $this->config['allow_accelerate'] ?
-            $bucketname . $domain_type . 'accelerate' . '.' . $this->config['endpoint'] :
-            $bucketname . $domain_type . $this->config['region'] . '.' . $this->config['endpoint'];
+            $bucketname . $domain_type . 'accelerate' . '.' . $this->config['endUri'] :
+            $bucketname . $this->config['endpoint'];
 
         // domain
         if ( $this->config['domain'] != null ) {
@@ -89,8 +103,11 @@ public function bucketStyleTransformer( CommandInterface $command, RequestInterf
             }
         }
 
+
+
         $path = $this->config['schema'].'://'. $host . $uri;
         $uri = new Uri( $path );
+
         $query = $request->getUri()->getQuery();
         if ( $uri->getQuery() != $query && $uri->getQuery() != '' ) {
             $query =   $uri->getQuery() . '&' . $request->getUri()->getQuery();
@@ -98,6 +115,7 @@ public function bucketStyleTransformer( CommandInterface $command, RequestInterf
         $uri = $uri->withQuery( $query );
         $request = $request->withUri( $uri );
         $request = $request->withHeader( 'Host', $origin_host );
+
         return $request;
     }
 
@@ -124,173 +142,171 @@ public function uploadBodyTransformer( CommandInterface $command, $request, $bod
             }
         }
 
-        // update md5
+    // update md5
 
-        public function md5Transformer( CommandInterface $command, $request ) {
-            $operation = $this->operation;
-            if ( isset( $operation['data']['contentMd5'] ) ) {
+    public function md5Transformer( CommandInterface $command, $request ) {
+        $operation = $this->operation;
+        if ( isset( $operation['data']['contentMd5'] ) ) {
+            $request = $this->addMd5( $request );
+        }
+        if ( isset( $operation['parameters']['ContentMD5'] ) &&
+        isset( $command['ContentMD5'] ) ) {
+            $value = $command['ContentMD5'];
+            if ( $value != false ) {
                 $request = $this->addMd5( $request );
             }
-            if ( isset( $operation['parameters']['ContentMD5'] ) &&
-            isset( $command['ContentMD5'] ) ) {
-                $value = $command['ContentMD5'];
-                if ( $value != false ) {
-                    $request = $this->addMd5( $request );
-                }
-            }
-
-            return $request;
         }
 
-        // add Query string
-
-        public function queryStringTransformer( CommandInterface $command, $request ) {
-            $operation = $this->operation;
-            if ( isset( $command['Params'] ) ) {
-                $params = $command['Params'];
-                foreach ( $params as $key => $value ) {
-                    $uri = $request->getUri();
-                    $query = $uri->getQuery();
-                    $uri = $uri->withQuery($query. "&" . urlencode($key) . "=" . $value );
-                    $request = $request->withUri( $uri );
-                }
-            }
-
-            return $request;
-        }
+        return $request;
+    }
 
-        // add Header string
+    // add Header string
 
-        public function headerTransformer( CommandInterface $command, $request ) {
-            $operation = $this->operation;
-            if ( isset( $command['Headers'] ) ) {
-                $headers = $command['Headers'];
-                foreach ( $headers as $key => $value ) {
-                    $request = $request->withHeader( $key, $value);
-                }
+    public function headerTransformer( CommandInterface $command, $request ) {
+        $operation = $this->operation;
+        if ( isset( $command['Headers'] ) ) {
+            $headers = $command['Headers'];
+            foreach ( $headers as $key => $value ) {
+                $request = $request->withHeader( $key, $value);
             }
-            return $request;
         }
+        return $request;
+    }
 
-        // add meta
+    // add Query string
 
-        public function metadataTransformer( CommandInterface $command, $request ) {
-            $operation = $this->operation;
-            if ( isset( $command['Metadata'] ) ) {
-                $meta = $command['Metadata'];
-                foreach ( $meta as $key => $value ) {
-                    $request = $request->withHeader( 'x-cos-meta-' . $key, $value );
-                }
+    public function queryStringTransformer( CommandInterface $command, $request ) {
+        $operation = $this->operation;
+        if ( isset( $command['Params'] ) ) {
+            $params = $command['Params'];
+            foreach ( $params as $key => $value ) {
+                $uri = $request->getUri();
+                $query = $uri->getQuery();
+                $uri = $uri->withQuery($query. "&" . urlencode($key) . "=" . $value );
+                $request = $request->withUri( $uri );
             }
-            $request = headersMap( $command, $request );
-
-            return $request;
         }
 
-        // count md5
+        return $request;
+    }
+
+    // add meta
 
-        private function addMd5( $request ) {
-            $body = $request->getBody();
-            if ( $body && $body->getSize() > 0 ) {
-                $md5 = base64_encode( md5( $body, true ) );
-                return $request->withHeader( 'Content-MD5', $md5 );
+    public function metadataTransformer( CommandInterface $command, $request ) {
+        $operation = $this->operation;
+        if ( isset( $command['Metadata'] ) ) {
+            $meta = $command['Metadata'];
+            foreach ( $meta as $key => $value ) {
+                $request = $request->withHeader( 'x-cos-meta-' . $key, $value );
             }
-            return $request;
         }
+        $request = headersMap( $command, $request );
 
-        // inventoryId
+        return $request;
+    }
 
-        public function specialParamTransformer( CommandInterface $command, $request ) {
-            $action = $command->getName();
-            if ( $action == 'PutBucketInventory' ) {
-                $id = $command['Id'];
-                $uri = $request->getUri();
-                $query = $uri->getQuery();
-                $uri = $uri->withQuery( $query . '&Id='.$id );
-                return $request->withUri( $uri );
-            }
-            return $request;
+    // count md5
+
+    private function addMd5( $request ) {
+        $body = $request->getBody();
+        if ( $body && $body->getSize() > 0 ) {
+            $md5 = base64_encode( md5( $body, true ) );
+            return $request->withHeader( 'Content-MD5', $md5 );
         }
+        return $request;
+    }
 
-        public function ciParamTransformer( CommandInterface $command, $request ) {
-            $action = $command->getName();
-            if ( $action == 'GetObject' ) {
-                if(str_contains($uri = $request->getUri(), '%21') ) {
-                    $uri = new Uri( str_replace('%21', '!', $uri) );
-                    $request = $request->withUri( $uri );
-                }
-                if(isset($command['ImageHandleParam']) && $command['ImageHandleParam']){
-                    $uri = $request->getUri();
-                    $query = $uri->getQuery();
-                    if($query){
-                        $query .= "&" . urlencode($command['ImageHandleParam']);
-                    }else{
-                        $query .= urlencode($command['ImageHandleParam']);
-                    }
-                    $uri = $uri->withQuery($query);
-                    $request = $request->withUri( $uri );
-                }
-            }
-            return $request;
+    // inventoryId
+
+    public function specialParamTransformer( CommandInterface $command, $request ) {
+        $action = $command->getName();
+        if ( $action == 'PutBucketInventory' ) {
+            $id = $command['Id'];
+            $uri = $request->getUri();
+            $query = $uri->getQuery();
+            $uri = $uri->withQuery( $query . '&Id='.$id );
+            return $request->withUri( $uri );
         }
+        return $request;
+    }
 
-        public function cosDomain2CiTransformer(CommandInterface $command, $request) {
-            $action = $command->getName();
-            $ciActions = array(
-                'DetectText' => 1,
-                'CreateMediaTranscodeJobs' => 1,
-                'CreateMediaJobs' => 1,
-                'DescribeMediaJob' => 1,
-                'DescribeMediaJobs' => 1,
-                'CreateMediaSnapshotJobs' => 1,
-                'CreateMediaConcatJobs' => 1,
-                'DetectAudio' => 1,
-                'GetDetectAudioResult' => 1,
-                'GetDetectTextResult' => 1,
-                'DetectVideo' => 1,
-                'GetDetectVideoResult' => 1,
-                'DetectDocument' => 1,
-                'GetDetectDocumentResult' => 1,
-                'CreateDocProcessJobs' => 1,
-                'DescribeDocProcessQueues' => 1,
-                'DescribeDocProcessJob' => 1,
-                'GetDescribeDocProcessJobs' => 1,
-                'DetectImages' => 1,
-                'GetDetectImageResult' => 1,
-                'DetectVirus' => 1,
-                'GetDetectVirusResult' => 1,
-                'CreateMediaVoiceSeparateJobs' => 1,
-                'DescribeMediaVoiceSeparateJob' => 1,
-                'DetectWebpage' => 1,
-                'GetDetectWebpageResult' => 1,
-            );
-            if (key_exists($action, $ciActions)) {
-                $bucketname = $command['Bucket'];
-                $appId = $this->config['appId'];
-                if ( $appId != null && endWith( $bucketname, '-'.$appId ) == False ) {
-                    $bucketname = $bucketname.'-'.$appId;
-                }
-                $command['Bucket'] = $bucketname;
-                $domain_type = '.ci.';
-                $origin_host = $bucketname . $domain_type . $this->config['region'] . '.' . $this->config['endpoint'];
-                $host = $origin_host;
-                if ( $this->config['ip'] != null ) {
-                    $host = $this->config['ip'];
-                    if ( $this->config['port'] != null ) {
-                        $host = $this->config['ip'] . ':' . $this->config['port'];
-                    }
+    public function ciParamTransformer( CommandInterface $command, $request ) {
+        $action = $command->getName();
+        if ( $action == 'GetObject' ) {
+            if(str_contains($uri = $request->getUri(), '%21') ) {
+                $uri = new Uri( str_replace('%21', '!', $uri) );
+                $request = $request->withUri( $uri );
+            }
+            if(isset($command['ImageHandleParam']) && $command['ImageHandleParam']){
+                $uri = $request->getUri();
+                $query = $uri->getQuery();
+                if($query){
+                    $query .= "&" . urlencode($command['ImageHandleParam']);
+                }else{
+                    $query .= urlencode($command['ImageHandleParam']);
                 }
-                $path = $this->config['schema'].'://'. $host . $request->getUri()->getPath();
-                $uri = new Uri( $path );
-                $query = $request->getUri()->getQuery();
-                $uri = $uri->withQuery( $query );
+                $uri = $uri->withQuery($query);
                 $request = $request->withUri( $uri );
-                $request = $request->withHeader( 'Host', $origin_host );
             }
-            return $request;
         }
+        return $request;
+    }
 
-        public function __destruct() {
+    public function cosDomain2CiTransformer(CommandInterface $command, $request) {
+        $action = $command->getName();
+        $ciActions = array(
+            'DetectText' => 1,
+            'CreateMediaTranscodeJobs' => 1,
+            'CreateMediaJobs' => 1,
+            'DescribeMediaJob' => 1,
+            'DescribeMediaJobs' => 1,
+            'CreateMediaSnapshotJobs' => 1,
+            'CreateMediaConcatJobs' => 1,
+            'DetectAudio' => 1,
+            'GetDetectAudioResult' => 1,
+            'GetDetectTextResult' => 1,
+            'DetectVideo' => 1,
+            'GetDetectVideoResult' => 1,
+            'DetectDocument' => 1,
+            'GetDetectDocumentResult' => 1,
+            'CreateDocProcessJobs' => 1,
+            'DescribeDocProcessQueues' => 1,
+            'DescribeDocProcessJob' => 1,
+            'GetDescribeDocProcessJobs' => 1,
+            'DetectImages' => 1,
+            'GetDetectImageResult' => 1,
+            'DetectVirus' => 1,
+            'GetDetectVirusResult' => 1,
+            'CreateMediaVoiceSeparateJobs' => 1,
+            'DescribeMediaVoiceSeparateJob' => 1,
+        );
+        if (key_exists($action, $ciActions)) {
+            $bucketname = $command['Bucket'];
+            $appId = $this->config['appId'];
+            if ( $appId != null && endWith( $bucketname, '-'.$appId ) == False ) {
+                $bucketname = $bucketname.'-'.$appId;
+            }
+            $command['Bucket'] = $bucketname;
+            $domain_type = '.ci.';
+            $origin_host = $bucketname . $domain_type . $this->config['region'] . ".myqcloud.com";
+            $host = $origin_host;
+            if ( $this->config['ip'] != null ) {
+                $host = $this->config['ip'];
+                if ( $this->config['port'] != null ) {
+                    $host = $this->config['ip'] . ':' . $this->config['port'];
+                }
+            }
+            $path = $this->config['schema'].'://'. $host . $request->getUri()->getPath();
+            $uri = new Uri( $path );
+            $query = $request->getUri()->getQuery();
+            $uri = $uri->withQuery( $query );
+            $request = $request->withUri( $uri );
+            $request = $request->withHeader( 'Host', $origin_host );
         }
+        return $request;
+    }
 
+    public function __destruct() {
     }
+
+}