diff --git a/sample.php b/sample.php
index e4f9dc8b..ff9a00dd 100644
--- a/sample.php
+++ b/sample.php
@@ -18,7 +18,7 @@
 
 #createBucket
 try {
-    $result = $cosClient->createBucket(array('Bucket' => 'testbucket'));
+    $result = $cosClient->createBucket(array('Bucket' => 'testbucket-1252448703'));
     print_r($result);
     } catch (\Exception $e) {
     echo "$e\n";
@@ -27,11 +27,14 @@
 #uploadbigfile
 try {
     $result = $cosClient->upload(
-                 $bucket='testbucket',
-                 $key = '111.txt',
-                 $body = str_repeat('a', 5* 1024 * 1024));
+        $bucket='testbucket-1252448703',
+        $key = '111.txt',
+        $body = str_repeat('a', 5* 1024 * 1024),
+        $options = array(
+            "ACL"=>'private',
+            'CacheControl' => 'private'));
     print_r($result);
-    } catch (\Exception $e) {
+} catch (\Exception $e) {
     echo "$e\n";
 }
 
diff --git a/src/Guzzle/Http/Url.php b/src/Guzzle/Http/Url.php
index 6a4e7724..cd822677 100644
--- a/src/Guzzle/Http/Url.php
+++ b/src/Guzzle/Http/Url.php
@@ -305,7 +305,6 @@ public function normalizePath()
                 $results[] = $segment;
             }
         }
-
         // Combine the normalized parts and add the leading slash if needed
         $this->path = ($this->path[0] == '/' ? '/' : '') . implode('/', $results);
 
diff --git a/src/Qcloud/Cos/BucketStyleListener.php b/src/Qcloud/Cos/BucketStyleListener.php
index 1c4251a1..50f67f42 100644
--- a/src/Qcloud/Cos/BucketStyleListener.php
+++ b/src/Qcloud/Cos/BucketStyleListener.php
@@ -58,8 +58,7 @@ public function onCommandAfterPrepare(Event $event) {
         // Set the key and bucket on the request
         $request->getParams()->set('bucket', $bucket)->set('key', $key);
 
-        #echo(str_replace("%2F","/",$request->getPath()));
-        $request->setPath(str_replace("%2F","/",$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 d7054963..c9b291e5 100644
--- a/src/Qcloud/Cos/Client.php
+++ b/src/Qcloud/Cos/Client.php
@@ -95,19 +95,18 @@ public function getObjectUrl($bucket, $key, $expires = null, array $args = array
 
         return $expires ? $this->createPresignedUrl($request, $expires) : $request->getUrl();
     }
-    public function upload($bucket, $key, $body, $acl = '', $options = array()) {
+    public function upload($bucket, $key, $body, $options = array()) {
         $body = EntityBody::factory($body);
         $options = Collection::fromConfig(array_change_key_case($options), array(
             'min_part_size' => MultipartUpload::MIN_PART_SIZE,
-            'params'        => array()));
-
+            'params'        => $options));
+        print_r($options);
         if ($body->getSize() < $options['min_part_size']) {
             // Perform a simple PutObject operation
             return $this->putObject(array(
                     'Bucket' => $bucket,
                     'Key'    => $key,
                     'Body'   => $body,
-                    'ACL'    => $acl
                 ) + $options['params']);
         }
 
@@ -115,15 +114,14 @@ public function upload($bucket, $key, $body, $acl = '', $options = array()) {
                 'Bucket' => $bucket,
                 'Key'    => $key,
                 'Body'   => $body,
-                'ACL'    => $acl
             ) + $options['params']);
 
         return $multipartUpload->performUploading();
     }
-    public function copy($bucket, $key, $copysource, $acl = '', $options = array()) {
+    public function copy($bucket, $key, $copysource, $options = array()) {
     $options = Collection::fromConfig(array_change_key_case($options), array(
         'min_part_size' => MultipartUpload::MIN_PART_SIZE,
-        'params'        => array()));
+        'params'        => $options));
         $sourcebucket = explode('-',explode('.',$copysource)[0])[0];
         $sourceappid = explode('-',explode('.',$copysource)[0])[1];
         $sourceregion = explode('.',$copysource)[2];
@@ -142,7 +140,6 @@ public function copy($bucket, $key, $copysource, $acl = '', $options = array())
                 'Bucket' => $bucket,
                 'Key'    => $key,
                 'CopySource'   => $copysource,
-                'ACL'    => $acl
             ) + $options['params']);
     }
     $copy = new Copy($this, $contentlength, $copysource, $options['min_part_size'], array(
@@ -150,7 +147,6 @@ public function copy($bucket, $key, $copysource, $acl = '', $options = array())
             'Key'    => $key,
             'ContentLength' => $contentlength,
             'CopySource'   => $copysource,
-            'ACL'    => $acl
         ) + $options['params']);
 
     return $copy->performUploading();
@@ -163,8 +159,8 @@ public static function encodeKey($key) {
 
     public static function explodeKey($key) {
         // Remove a leading slash if one is found
-        //print_r(explode('/', $key && $key[0] == '/' ? substr($key, 1) : $key));
         //return explode('/', $key && $key[0] == '/' ? substr($key, 1) : $key);
         return $key;
+        return ltrim($key, "/");
     }
 }
diff --git a/src/Qcloud/Cos/Command.php b/src/Qcloud/Cos/Command.php
index e6750a9e..cf75d46f 100644
--- a/src/Qcloud/Cos/Command.php
+++ b/src/Qcloud/Cos/Command.php
@@ -26,10 +26,9 @@ public function createPresignedUrl($expires)
 
     protected function process() {
         parent::process();
-
         // Set the GetObject URL if using the PutObject operation
         if ($this->result instanceof Model && $this->getName() == 'PutObject') {
-            $request = $this->getRequest();
+            $request = $this->getRequest();;
             $this->result->set('ObjectURL', $request->getUrl());
         }
     }
diff --git a/src/Qcloud/Cos/Service.php b/src/Qcloud/Cos/Service.php
index 6528df2c..8f5aff5c 100644
--- a/src/Qcloud/Cos/Service.php
+++ b/src/Qcloud/Cos/Service.php
@@ -756,6 +756,10 @@ public static function getService() {
                                 'required' => true,
                                 'type' => 'string',
                                 'location' => 'uri'),
+                            'CacheControl' => array(
+                                'type' => 'string',
+                                'location' => 'header',
+                                'sentAs' => 'Cache-Control'),
                             'ContentDisposition' => array(
                                     'type' => 'string',
                                     'location' => 'header',
diff --git a/src/Qcloud/Cos/Signature.php b/src/Qcloud/Cos/Signature.php
index af352854..302d860c 100644
--- a/src/Qcloud/Cos/Signature.php
+++ b/src/Qcloud/Cos/Signature.php
@@ -17,6 +17,7 @@ public function __destruct() {
     }
 
     public function signRequest(RequestInterface $request) {
+
         $signTime = (string)(time() - 60) . ';' . (string)(time() + 3600);
         $httpString = strtolower($request->getMethod()) . "\n" . urldecode($request->getPath()) .
             "\n\nhost=" . $request->getHost() . "\n";
diff --git a/src/Qcloud/Cos/Tests/ObjectTest.php b/src/Qcloud/Cos/Tests/ObjectTest.php
index 653025dc..328cd722 100644
--- a/src/Qcloud/Cos/Tests/ObjectTest.php
+++ b/src/Qcloud/Cos/Tests/ObjectTest.php
@@ -13,6 +13,7 @@ protected function setUp() {
 
         $this->cosClient = new Client(array('region' => getenv('COS_REGION'),
                 'credentials'=> array(
+#                    'appId' => getenv('COS_APPID'),
                 'secretId'    => getenv('COS_KEY'),
                 'secretKey' => getenv('COS_SECRET'))));
     }