diff --git a/src/Oauth/Oauth.php b/src/Oauth/Oauth.php
index 9102952..d737f79 100644
--- a/src/Oauth/Oauth.php
+++ b/src/Oauth/Oauth.php
@@ -19,13 +19,11 @@ class Oauth extends KwaixiaodianApi
     public function accessToken($code, string $grant_type = 'code'): array
     {
         $config = $this->getConfig();
-        $response = $this->getHttpClient()->request('GET', $this->getBaseUri() . 'oauth2/access_token', [
-            'query' => [
-                'app_id' => $config['app_key'],
-                'app_secret' => $config['app_secret'],
-                'grant_type' => $grant_type,
-                'code' => $code,
-            ],
+        $response = $this->getHttpClient()->get($this->getBaseUri() . 'oauth2/access_token', [
+            'app_id' => $config['app_key'],
+            'app_secret' => $config['app_secret'],
+            'grant_type' => $grant_type,
+            'code' => $code,
         ]);
         return Utils::jsonResponseToArray($response);
     }
@@ -38,13 +36,11 @@ public function accessToken($code, string $grant_type = 'code'): array
     public function refreshToken($refresh_token): array
     {
         $config = $this->getConfig();
-        $response = $this->getHttpClient()->request('GET', $this->getBaseUri() . 'oauth2/refresh_token', [
-            'query' => [
-                'app_id' => $config['app_key'],
-                'app_secret' => $config['app_secret'],
-                'grant_type' => 'refresh_token',
-                'refresh_token' => $refresh_token,
-            ],
+        $response = $this->getHttpClient()->post($this->getBaseUri() . 'oauth2/refresh_token', [
+            'grant_type' => 'refresh_token',
+            'refresh_token' => $refresh_token,
+            'app_id' => $config['app_key'],
+            'app_secret' => $config['app_secret'],
         ]);
         return Utils::jsonResponseToArray($response);
     }
diff --git a/tests/Api/DistributionTest.php b/tests/Api/DistributionTest.php
index 0dbb0d5..4ea700b 100644
--- a/tests/Api/DistributionTest.php
+++ b/tests/Api/DistributionTest.php
@@ -38,6 +38,7 @@ public function testOpenDistributionCpsKwaimoneyLinkCreate()
             'page' => 1,
             'pageSize' => 1,
         ]);
+        $this->isSuccessResponse($pidListResult);
         $pid = $pidListResult['data']['cpsPidData'][0];
 
         $itemListResult = $app->distribution->openDistributionCpsKwaimoneySelectionItemList([
@@ -45,6 +46,7 @@ public function testOpenDistributionCpsKwaimoneyLinkCreate()
             'pageSize' => 1,
             'planType' => 1,
         ]);
+        $this->isSuccessResponse($itemListResult);
         $item = $itemListResult['data']['itemList'][0];
 
         $response = $app->distribution->openDistributionCpsKwaimoneyLinkCreate([