diff --git a/src/Qcloud/Cos/Client.php b/src/Qcloud/Cos/Client.php
index 2c0b02fc..42ee1ed5 100644
--- a/src/Qcloud/Cos/Client.php
+++ b/src/Qcloud/Cos/Client.php
@@ -24,6 +24,16 @@ class Client extends GSClient {
 
     public function __construct($config) {
         $this->region = isset($config['region']) ? $config['region'] : '';
+        $regionmap = array('cn-east'=>'ap-shanghai',
+                        'cn-sorth'=>'ap-guangzhou',
+                        'cn-north'=>'ap-beijing-1',
+                        'cn-south-2'=>'ap-guangzhou-2',
+                        'cn-southwest'=>'ap-chengdu',
+                        'sg'=>'ap-singapore');
+        if (array_key_exists($this->region,$regionmap))
+        {
+            $this->region = $regionmap[$this->region];
+        }
         $this->credentials = $config['credentials'];
         $this->appId = $config['credentials']['appId'];
         $this->secretId = $config['credentials']['secretId'];
diff --git a/src/Qcloud/Cos/Tests/ObjectTest.php b/src/Qcloud/Cos/Tests/ObjectTest.php
index 2db45c0b..a055eae4 100644
--- a/src/Qcloud/Cos/Tests/ObjectTest.php
+++ b/src/Qcloud/Cos/Tests/ObjectTest.php
@@ -48,7 +48,17 @@ public function testUploadSmallObject() {
         try {
             $result = $this->cosClient->createBucket(array('Bucket' => 'testbucket'));
             var_dump($result);
-            $this->cosClient->upload('testbucket', 'hello.txt', 'Hello World');
+            $this->cosClient->upload('testbucket', '你好.txt', 'Hello World');
+        } catch (\Exception $e) {
+            $this->assertFalse(true, $e);
+        }
+    }
+
+    public function testUploadComplexObject() {
+        try {
+            $result = $this->cosClient->createBucket(array('Bucket' => 'testbucket'));
+            var_dump($result);
+            $this->cosClient->upload('testbucket', '→↓←→↖↗↙↘! \"#$%&\'()*+,-./0123456789:;<=>@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~', 'Hello World');
         } catch (\Exception $e) {
             $this->assertFalse(true, $e);
         }