diff --git a/src/Qcloud/Cos/Client.php b/src/Qcloud/Cos/Client.php
index fadd0cd9..9c65dfd1 100644
--- a/src/Qcloud/Cos/Client.php
+++ b/src/Qcloud/Cos/Client.php
@@ -34,7 +34,7 @@ public function __construct($cosConfig) {
         $this->rawCosConfig = $cosConfig;
         $this->cosConfig['schema'] = isset($cosConfig['schema']) ? $cosConfig['schema'] : 'http';
         $this->cosConfig['endpoint'] = isset($cosConfig['endpoint']) ? $cosConfig['endpoint'] : null;
-        $this->cosConfig['region'] =  isset($regionmap[$cosConfig['region']]) ? region_map($cosConfig['region']) : $cosConfig['region'];
+        $this->cosConfig['region'] =  region_map($cosConfig['region']);
         $this->cosConfig['appId'] = isset($cosConfig['credentials']['appId']) ? $cosConfig['credentials']['appId'] : null;
         $this->cosConfig['secretId'] = isset($cosConfig['credentials']['secretId']) ? $cosConfig['credentials']['secretId'] : "";
         $this->cosConfig['secretKey'] = isset($cosConfig['credentials']['secretKey']) ? $cosConfig['credentials']['secretKey'] : "";
diff --git a/src/Qcloud/Cos/Common.php b/src/Qcloud/Cos/Common.php
index 03bab953..c188002e 100644
--- a/src/Qcloud/Cos/Common.php
+++ b/src/Qcloud/Cos/Common.php
@@ -2,7 +2,8 @@
 
 namespace Qcloud\Cos;
 
-$regionmap = array('cn-east'=>'ap-shanghai',
+function region_map($region) {
+    $regionmap = array('cn-east'=>'ap-shanghai',
             'cn-south'=>'ap-guangzhou',
             'cn-north'=>'ap-beijing-1',
             'cn-south-2'=>'ap-guangzhou-2',
@@ -13,11 +14,9 @@
             'sh'=>'ap-shanghai',
             'gz'=>'ap-guangzhou',
             'cd'=>'ap-chengdu',
-            'sgp'=>'ap-singapore',);
-
-function region_map($region) {
-    if (array_key_exists($region, regionmap)) {
-        return regionmap[$region];
+            'sgp'=>'ap-singapore');
+    if (array_key_exists($region, $regionmap)) {
+        return $regionmap[$region];
     }
     return $region;
 }
diff --git a/src/Qcloud/Cos/Tests/Test.php b/src/Qcloud/Cos/Tests/Test.php
index 55eb461b..eea87b6c 100644
--- a/src/Qcloud/Cos/Tests/Test.php
+++ b/src/Qcloud/Cos/Tests/Test.php
@@ -9,15 +9,16 @@ class COSTest extends \PHPUnit_Framework_TestCase
     const SYNC_TIME = 5;
     private $cosClient;
     private $bucket;
+    private $region;
     private $message;
     private $ass;
     protected function setUp()
     {
         $this->bucket = getenv('COS_BUCKET');
+        $this->region = getenv('COS_REGION');
         $this->bucket2 = "tmp".$this->bucket;
-        $this->cosClient = new Client(array('region' => getenv('COS_REGION'),
+        $this->cosClient = new Client(array('region' => $this->region,
             'credentials' => array(
-                'appId' => getenv('COS_APPID'),
                 'secretId' => getenv('COS_KEY'),
                 'secretKey' => getenv('COS_SECRET'))));
         try {
@@ -32,8 +33,8 @@ protected function tearDown() {
     /**********************************
      * TestBucket
      **********************************/
-
-    /*
+    
+     /*
      * put bucket,bucket已经存在
      * BucketAlreadyOwnedByYou
      * 409
@@ -47,6 +48,62 @@ public function testCreateExistingBucket()
         }
     }
 
+    /*
+     * put bucket, 创建所有region的bucket
+     * 409
+     */
+    public function testValidRegionBucket()
+    {
+        $regionlist = array('cn-east','ap-shanghai',
+        'cn-south','ap-guangzhou',
+        'cn-north','ap-beijing-1',
+        'cn-south-2','ap-guangzhou-2',
+        'cn-southwest','ap-chengdu',
+        'sg','ap-singapore',
+        'tj','ap-beijing-1',
+        'bj','ap-beijing',
+        'sh','ap-shanghai',
+        'gz','ap-guangzhou',
+        'cd','ap-chengdu',
+        'sgp','ap-singapore');
+        foreach ($regionlist as$region) {
+            try {
+
+                $this->cosClient = new Client(array('region' => $region,
+                    'credentials' => array(
+                        'appId' => getenv('COS_APPID'),
+                        'secretId' => getenv('COS_KEY'),
+                        'secretKey' => getenv('COS_SECRET'))));
+                $this->cosClient->createBucket(['Bucket' => $this->bucket]);
+            } catch (ServiceResponseException $e) {
+                $this->assertEquals([$e->getStatusCode()], [409]);
+            }
+        }
+    }
+
+    /*
+     * put bucket, 不合法的region名
+     * 409
+     */
+    public function testInvalidRegionBucket()
+    {
+        $regionlist = array('cn-east-2','ap-shanghai-3');
+        foreach ($regionlist as$region) {
+            try {
+                $this->cosClient = new Client(array('region' => $region,
+                    'credentials' => array(
+                        'appId' => getenv('COS_APPID'),
+                        'secretId' => getenv('COS_KEY'),
+                        'secretKey' => getenv('COS_SECRET'))));
+                $this->cosClient->createBucket(['Bucket' => $this->bucket]);
+            } catch (ServiceResponseException $e) {
+                $this->assertFalse(TRUE);
+            } catch (\GuzzleHttp\Exception\ConnectException $e) {
+                $this->assertTrue(TRUE);
+            }
+        }
+    }
+
     /*
      * put bucket,bucket名称非法
      * InvalidBucketName
@@ -55,8 +112,9 @@ public function testCreateExistingBucket()
     public function testCreateInvalidBucket()
     {
         try {
-            $this->cosClient->createBucket(array('Bucket' => 'qwe_213'));
+            $this->cosClient->createBucket(array('Bucket' => 'qwe_123' . $this->bucket));
         } catch (ServiceResponseException $e) {
+            print $e;
             $this->assertTrue($e->getExceptionCode() === 'InvalidBucketName' && $e->getStatusCode() === 400);
         }
     }
@@ -76,8 +134,8 @@ public function testCreatePrivateBucket()
             sleep(COSTest::SYNC_TIME);
             TestHelper::nuke($this->bucket2);
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -99,8 +157,8 @@ public function testCreatePublicReadBucket()
             sleep(COSTest::SYNC_TIME);
             TestHelper::nuke($this->bucket2);
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -141,8 +199,8 @@ public function testPutBucketAclPrivate()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -160,8 +218,8 @@ public function testPutBucketAclPublicRead()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -198,8 +256,8 @@ public function testPutBucketAclReadToUser()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -217,8 +275,8 @@ public function testPutBucketAclWriteToUser()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -236,8 +294,8 @@ public function testPutBucketAclFullToUser()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -255,8 +313,8 @@ public function testPutBucketAclToUsers()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -274,8 +332,8 @@ public function testPutBucketAclToSubuser()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -295,8 +353,8 @@ public function testPutBucketAclReadWriteFull()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -346,8 +404,8 @@ public function testPutBucketAclByBody()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -378,8 +436,8 @@ public function testPutBucketAclByBodyToAnyone()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -420,8 +478,8 @@ public function testPutBucketAclCover()
                 'Bucket' =>  $this->bucket,
                 'GrantWrite' => 'id="qcs::cam::uin/2779643970:uin/2779643970"'));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -435,8 +493,8 @@ public function testHeadBucket()
             $this->cosClient->HeadBucket(array(
                 'Bucket' =>  $this->bucket));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -469,8 +527,8 @@ public function testGetBucketEmpty()
             $this->cosClient->ListObjects(array(
                 'Bucket' =>  $this->bucket));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -526,8 +584,8 @@ public function testPutBucketCors()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -568,8 +626,8 @@ public function testGetBucketCors()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -632,8 +690,8 @@ public function testGetBucketLifecycle()
                 'Bucket' => $this->bucket,
             ));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -679,8 +737,8 @@ public function testDeleteBucketLifecycle()
                 'Bucket' => $this->bucket,
             ));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -730,8 +788,8 @@ public function testPutBucket2()
             $this->cosClient->createBucket(array('Bucket' => '12345-'.$this->bucket));
             $this->cosClient->deleteBucket(array('Bucket' => '12345-'.$this->bucket));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -742,11 +800,11 @@ public function testPutBucket2()
     public function testPutBucket3()
     {
         try {
-            $this->cosClient->createBucket(array('Bucket' => $this->bucket.'-12333-4445'));
-            $this->cosClient->deleteBucket(array('Bucket' => $this->bucket.'-12333-4445'));
+            $this->cosClient->createBucket(array('Bucket' => '12-333-4445' . $this->bucket));
+            $this->cosClient->deleteBucket(array('Bucket' => '12-333-4445' . $this->bucket));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -759,8 +817,8 @@ public function testGetBucketLocation()
         try {
             $this->cosClient->getBucketLocation(array('Bucket' => $this->bucket));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -802,8 +860,8 @@ public function testPutObjectEncryption()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -836,8 +894,8 @@ public function testUploadSmallObject() {
         try {
             $this->cosClient->upload($this->bucket, '你好.txt', 'Hello World');
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -849,8 +907,8 @@ public function testPutObjectEmpty() {
         try {
             $this->cosClient->upload($this->bucket, '你好.txt', '123');
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -863,8 +921,8 @@ public function testPutObjectExisted() {
             $this->cosClient->upload($this->bucket, '你好.txt', '1234124');
             $this->cosClient->upload($this->bucket, '你好.txt', '请二位qwe');
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -882,8 +940,8 @@ public function testPutObjectMeta() {
                      'lew' => str_repeat('a', 1 * 1024),
             )));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -918,8 +976,8 @@ public function testUploadComplexObject() {
         try {
             $this->cosClient->upload($this->bucket, '→↓←→↖↗↙↘! \"#$%&\'()*+,-./0123456789:;<=>@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~', 'Hello World');
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -931,8 +989,8 @@ public function testUploadLargeObject() {
         try {
             $this->cosClient->upload($this->bucket, 'hello.txt', str_repeat('a', 9 * 1024 * 1024));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -947,8 +1005,8 @@ public function testGetObject() {
                 'Bucket' => $this->bucket,
                 'Key' => '你好.txt',));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -963,8 +1021,8 @@ public function testGetObjectSpecialName() {
                 'Bucket' => $this->bucket,
                 'Key' => '你好<>!@#^%^&*&(&^!@#@!.txt',));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -980,8 +1038,8 @@ public function testGetObjectIfMatchTrue() {
                 'Key' => '你好.txt',
                 'IfMatch' => '"b10a8db164e0754105b7a99be72e3fe5"'));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1019,8 +1077,8 @@ public function testGetObjectIfNoneMatchTrue() {
                 'Key' => '你好.txt',
                 'IfNoneMatch' => '"b10a8db164e0754105b7a99be72e3fe5"'));
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1039,6 +1097,8 @@ public function testGetObjectIfNoneMatchFalse() {
                 'IfNoneMatch' => '""'));
 
         } catch (ServiceResponseException $e) {
+            print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1050,8 +1110,44 @@ public function testGetObjectUrl() {
         try{
             $this->cosClient->getObjectUrl($this->bucket, 'hello.txt', '+10 minutes');
         } catch (ServiceResponseException $e) {
+            print $e;
+            $this->assertFalse(TRUE);
+        }
+    }
+
+    /*
+     * 复制小文件
+     * 200
+     */
+    public function testCopySmallObject() {
+        try{
+            $this->cosClient->upload($this->bucket, '你好.txt', 'Hello World');
+            $this->cosClient->copy($bucket=$this->bucket,
+                                   $key='hi.txt', 
+                                   $copySource = ['Bucket'=>$this->bucket,
+                                                  'Region'=>$this->region,
+                                                  'Key'=>'你好.txt']);
+        } catch (ServiceResponseException $e) {
+            print $e;
             $this->assertFalse(TRUE);
+        }
+    }
+
+    /*
+     * 复制大文件
+     * 200
+     */
+    public function testCopyBigObject() {
+        try{
+            $this->cosClient->upload($this->bucket, '你好.txt', str_repeat('a', 9 * 1024 * 1024));
+            $this->cosClient->copy($bucket=$this->bucket,
+                                   $key='hi.txt', 
+                                   $copySource = ['Bucket'=>$this->bucket,
+                                                  'Region'=>$this->region,
+                                                  'Key'=>'你好.txt']);
+        } catch (ServiceResponseException $e) {
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1084,8 +1180,8 @@ public function testPutObjectACL() {
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
 
     }
@@ -1120,8 +1216,8 @@ public function testGetObjectACL()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1141,8 +1237,8 @@ public function testPutObjectAclPrivate()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1162,8 +1258,8 @@ public function testPutObjectAclPublicRead()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1204,8 +1300,8 @@ public function testPutObjectAclReadToUser()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1225,8 +1321,8 @@ public function testPutObjectAclFullToUser()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1246,8 +1342,8 @@ public function testPutObjectAclToUsers()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1267,8 +1363,8 @@ public function testPutObjectAclToSubuser()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1323,8 +1419,8 @@ public function testPutObjectAclByBody()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }
 
@@ -1358,8 +1454,8 @@ public function testPutObjectAclByBodyToAnyone()
                 )
             );
         } catch (ServiceResponseException $e) {
-            $this->assertFalse(TRUE);
             print $e;
+            $this->assertFalse(TRUE);
         }
     }