diff --git a/src/Qcloud/Cos/BucketStyleListener.php b/src/Qcloud/Cos/BucketStyleListener.php
index 50f67f42..62fd5efc 100644
--- a/src/Qcloud/Cos/BucketStyleListener.php
+++ b/src/Qcloud/Cos/BucketStyleListener.php
@@ -58,7 +58,7 @@ public function onCommandAfterPrepare(Event $event) {
         // Set the key and bucket on the request
         $request->getParams()->set('bucket', $bucket)->set('key', $key);
 
-        $request->setPath(urldecode($request->getPath()));
+        //$request->setPath(urldecode($request->getPath()));
         // Switch to virtual hosted bucket
         $request->setHost($bucket. '.' . $request->getHost());
         if (!$bucket) {
diff --git a/src/Qcloud/Cos/Client.php b/src/Qcloud/Cos/Client.php
index c9b291e5..4ec91132 100644
--- a/src/Qcloud/Cos/Client.php
+++ b/src/Qcloud/Cos/Client.php
@@ -119,14 +119,15 @@ public function upload($bucket, $key, $body, $options = array()) {
         return $multipartUpload->performUploading();
     }
     public function copy($bucket, $key, $copysource, $options = array()) {
+
     $options = Collection::fromConfig(array_change_key_case($options), array(
-        'min_part_size' => MultipartUpload::MIN_PART_SIZE,
+        'min_part_size' => Copy::MIN_PART_SIZE,
         'params'        => $options));
         $sourcebucket = explode('-',explode('.',$copysource)[0])[0];
         $sourceappid = explode('-',explode('.',$copysource)[0])[1];
         $sourceregion = explode('.',$copysource)[2];
         $sourcekey = substr(strstr($copysource,'/'),1);
-        $cosClient = new Client(array('region' => getenv('COS_REGION'),
+        $cosClient = new Client(array('region' => $sourceregion,
         'credentials'=> array(
             'appId' => $sourceappid,
             'secretId'    => $this->secretId,
@@ -135,8 +136,9 @@ public function copy($bucket, $key, $copysource, $options = array()) {
     $rt = $cosClient->headObject(array('Bucket'=>$sourcebucket,
                             'Key'=>$sourcekey));
     $contentlength =$rt['ContentLength'];
+
     if ($contentlength < $options['min_part_size']) {
-        return $this->UploadPartCopy(array(
+        return $this->copyObject(array(
                 'Bucket' => $bucket,
                 'Key'    => $key,
                 'CopySource'   => $copysource,
diff --git a/src/Qcloud/Cos/Copy.php b/src/Qcloud/Cos/Copy.php
index 9b1c7458..9d5ec455 100644
--- a/src/Qcloud/Cos/Copy.php
+++ b/src/Qcloud/Cos/Copy.php
@@ -8,7 +8,7 @@ class Copy {
     /**
      * const var: part size from 5MB to 5GB, and max parts of 10000 are allowed for each upload.
      */
-    const MIN_PART_SIZE = 5242880;
+    const MIN_PART_SIZE = 52428800;
     const MAX_PART_SIZE = 5368709120;
     const MAX_PARTS     = 10000;
 
@@ -27,6 +27,11 @@ public function __construct($client, $contentlength, $source, $minPartSize, $opt
     }
 
     public function performUploading() {
+
+        $commands = array();
+
+
+
         $uploadId = $this->initiateMultipartUpload();
         $offset = 0;
         $partNumber = 1;
@@ -39,15 +44,21 @@ public function performUploading() {
                 $partSize = $this->size - $offset -1;
             }
             //echo ('bytes='.( 'bytes='.((string)$offset).'-'.(string)($offset+$partSize)));
-            $result = $this->client->UploadPartCopy(array(
-                        'Bucket' => $this->options['Bucket'],
-                        'Key' => $this->options['Key'],
-                        'UploadId' => $uploadId,
-                        'PartNumber' => $partNumber,
-                        'CopySource'=> $this->source,
-                        'CopySourceRange' => 'bytes='.((string)$offset).'-'.(string)($offset+$partSize)));
-            $part = array('PartNumber' => $partNumber, 'ETag' => $result['ETag']);
-            array_push($parts, $part);
+            $commands[] = $this->client->getCommand('UploadPartCopy', array(
+                'Bucket' => $this->options['Bucket'],
+                'Key' => $this->options['Key'],
+                'UploadId' => $uploadId,
+                'PartNumber' => $partNumber,
+                'CopySource'=> $this->source,
+                'CopySourceRange' => 'bytes='.((string)$offset).'-'.(string)($offset+$partSize),
+            ));
+//            $result = $this->client->UploadPartCopy(array(
+//                        'Bucket' => $this->options['Bucket'],
+//                        'Key' => $this->options['Key'],
+//                        'UploadId' => $uploadId,
+//                        'PartNumber' => $partNumber,
+//                        'CopySource'=> $this->source,
+//                        'CopySourceRange' => 'bytes='.((string)$offset).'-'.(string)($offset+$partSize)));
             ++$partNumber;
             $offset += $partSize;
             if ($this->size == $offset+1)
@@ -55,6 +66,17 @@ public function performUploading() {
                 break;
             }
         }
+        $this->client->execute($commands);
+
+
+        $partNumber = 1;
+        foreach ($commands as $command) {
+
+            $result = $command->getResult();
+            $part = array('PartNumber' => $partNumber, 'ETag' => $result['ETag']);
+            array_push($parts, $part);
+            $partNumber++;
+        }
 
         return $this->client->completeMultipartUpload(array(
                     'Bucket' => $this->options['Bucket'],