Apply fixes from StyleCI

Author: justmd5

src/Core/API.php

@@ -51,7 +51,7 @@ public function __construct(Signature $signature, $classify, $filter)
     public function request($method, $params = [], $files = [])
     {
         $url = sprintf('%s/%s/%s_%s', self::BASE_API, $this->classify, $this->classify, strtolower($method));
-        if (!key_exists(strtolower($method),$this->filter)) {
+        if (!array_key_exists(strtolower($method), $this->filter)) {
             throw new NotFoundException(sprintf('the url %s can not found!please reaffirm', $url));
         }
         $factory = new ValidatorFactory(new Translator());

src/Core/CoreServiceProvider.php

@@ -8,8 +8,8 @@
 
 namespace Justmd5\TencentAi\Core;
 
-use Pimple\Container;
 use Hanson\Foundation\Foundation;
+use Pimple\Container;
 use Pimple\ServiceProviderInterface;
 
 class CoreServiceProvider implements ServiceProviderInterface