diff --git a/.env.dist b/.env.dist
new file mode 100644
index 0000000..0bcd1a4
--- /dev/null
+++ b/.env.dist
@@ -0,0 +1,4 @@
+ENDPOINT=https://api.taobao.com/router/rest
+APP_KEY=00000000
+APP_SECRET=d784fa8b6d98d27699781bd9a7cf19f0
+SESSION=test
diff --git a/.gitignore b/.gitignore
index 906105c..1465077 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ phpunit.xml
 .project
 .swp
 /nbproject
+.env
diff --git a/composer.json b/composer.json
index e8dc9d4..e9f801a 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,8 @@
         "squizlabs/php_codesniffer": "^3.5",
         "guzzlehttp/guzzle": "^7.1",
         "phpcompatibility/php-compatibility": "*",
-        "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0"
+        "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
+        "vlucas/phpdotenv": "^5.2"
     },
     "scripts": {
         "phpunit": "./vendor/bin/phpunit -c phpunit.xml.dist",
diff --git a/src/TopClient/Client.php b/src/TopClient/Client.php
index 2a3857a..0e49614 100644
--- a/src/TopClient/Client.php
+++ b/src/TopClient/Client.php
@@ -18,7 +18,6 @@ use RetailCrm\Component\ServiceLocator;
 use RetailCrm\Interfaces\AppDataInterface;
 use RetailCrm\Interfaces\AuthenticatorInterface;
 use RetailCrm\Interfaces\RequestFactoryInterface;
-use RetailCrm\Interfaces\RequestTimestampProviderInterface;
 use RetailCrm\Model\Request\BaseRequest;
 use RetailCrm\Traits\ValidatorAwareTrait;
 use Symfony\Component\Validator\Constraints as Assert;
diff --git a/tests/RetailCrm/Test/TestCase.php b/tests/RetailCrm/Test/TestCase.php
index c7aede4..dabbc6f 100644
--- a/tests/RetailCrm/Test/TestCase.php
+++ b/tests/RetailCrm/Test/TestCase.php
@@ -49,9 +49,39 @@ abstract class TestCase extends \PHPUnit\Framework\TestCase
     /**
      * @return \RetailCrm\Interfaces\AppDataInterface
      */
-    protected function getAppData(): AppDataInterface
+    protected function getEnvAppData(): AppDataInterface
     {
-        return new AppData(AppData::OVERSEAS_ENDPOINT, 'appKey', 'helloworld');
+        return $this->getAppData(
+            self::getenv('ENDPOINT', AppData::OVERSEAS_ENDPOINT),
+            self::getenv('APP_KEY', 'appKey'),
+            self::getenv('APP_SECRET', 'helloworld')
+        );
+    }
+
+    /**
+     * @param string $endpoint
+     * @param string $appKey
+     * @param string $appSecret
+     *
+     * @return \RetailCrm\Interfaces\AppDataInterface
+     */
+    protected function getAppData(
+        string $endpoint = AppData::OVERSEAS_ENDPOINT,
+        string $appKey = 'appKey',
+        string $appSecret = 'helloworld'
+    ): AppDataInterface{
+        return new AppData($endpoint, $appKey, $appSecret);
+    }
+
+    /**
+     * @return \RetailCrm\Interfaces\AuthenticatorInterface
+     */
+    protected function getEnvAuthenticator(): AuthenticatorInterface
+    {
+        return $this->getAuthenticator(
+            self::getenv('APP_KEY', 'appKey'),
+            self::getenv('SESSION', 'helloworld')
+        );
     }
 
     /**
@@ -100,4 +130,19 @@ abstract class TestCase extends \PHPUnit\Framework\TestCase
 
         return $request;
     }
+
+    /**
+     * @param string $variable
+     * @param mixed  $default
+     *
+     * @return mixed|null
+     */
+    protected static function getenv(string $variable, $default = null)
+    {
+        if (!array_key_exists($variable, $_ENV)) {
+            return $default;
+        }
+
+        return $_ENV[$variable];
+    }
 }
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 26ce5dc..4ea496c 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -8,3 +8,5 @@ if (function_exists('date_default_timezone_set')
 
 $loader = include dirname(__DIR__) . '/vendor/autoload.php';
 $loader->add('RetailCrm\\Test', __DIR__);
+$dotenv = Dotenv\Dotenv::createImmutable(__DIR__ . '/..');
+$dotenv->load();