diff --git a/src/BucketClient.php b/src/BucketClient.php
index a3ee8a4..2f6aa60 100644
--- a/src/BucketClient.php
+++ b/src/BucketClient.php
@@ -22,6 +22,8 @@ public function __construct($config)
             throw new InvalidConfigException('No bucket configured.');
         }
 
+        parent::__construct($config);
+
         $this->setBaseUri(\sprintf(
             'https://%s-%s.cos.%s.myqcloud.com/',
             $config->get('bucket'),
diff --git a/src/JobClient.php b/src/JobClient.php
index 1ce3937..9d3796f 100644
--- a/src/JobClient.php
+++ b/src/JobClient.php
@@ -20,6 +20,8 @@ public function __construct($config)
 
         $this->validateConfig($config);
 
+        parent::__construct($config);
+
         $this->setBaseUri(\sprintf(
             'https://%s.cos-control.%s.myqcloud.com/',
             $config->get('uin'),
diff --git a/src/ObjectClient.php b/src/ObjectClient.php
index d9793b3..aa822e0 100644
--- a/src/ObjectClient.php
+++ b/src/ObjectClient.php
@@ -27,6 +27,8 @@ public function __construct($config)
             throw new InvalidConfigException('No bucket configured.');
         }
 
+        parent::__construct($config);
+
         $this->setBaseUri(\sprintf(
             'https://%s-%s.cos.%s.myqcloud.com/',
             $config->get('bucket'),
diff --git a/tests/BucketClientTest.php b/tests/BucketClientTest.php
index 7f0a4aa..9d4791b 100644
--- a/tests/BucketClientTest.php
+++ b/tests/BucketClientTest.php
@@ -14,6 +14,8 @@ public function testBaseUri()
             'bucket' => 'test',
             'app_id' => '123456',
             'region' => 'ap-guangzhou',
+            'secret_id' => 'test',
+            'secret_key' => 'test',
         ]);
 
         $this->assertSame('https://test-123456.cos.ap-guangzhou.myqcloud.com/', $bucketClient->getBaseUri());
diff --git a/tests/JobClientTest.php b/tests/JobClientTest.php
index aa3a24a..8f29171 100644
--- a/tests/JobClientTest.php
+++ b/tests/JobClientTest.php
@@ -14,6 +14,8 @@ public function testBaseUri()
             'app_id' => 1250000000,
             'uin' => 1000000000,
             'region' => 'ap-guangzhou',
+            'secret_id' => 'test',
+            'secret_key' => 'test',
         ]);
 
         $this->assertSame('https://1000000000.cos-control.ap-guangzhou.myqcloud.com/', $client->getBaseUri());
diff --git a/tests/ObjectClientTest.php b/tests/ObjectClientTest.php
index fb4dd3a..bf366e6 100644
--- a/tests/ObjectClientTest.php
+++ b/tests/ObjectClientTest.php
@@ -15,6 +15,8 @@ public function testBaseUri()
         $client = new ObjectClient([
             'bucket' => 'test',
             'app_id' => '123456',
+            'secret_id' => 'test',
+            'secret_key' => 'test',
         ]);
 
         $this->assertSame('https://test-123456.cos.ap-guangzhou.myqcloud.com/', $client->getBaseUri());