diff --git a/app/Service/Admin/Third/AliStsService.php b/app/Service/Admin/Third/AliStsService.php
index 667b7c0..83cd409 100644
--- a/app/Service/Admin/Third/AliStsService.php
+++ b/app/Service/Admin/Third/AliStsService.php
@@ -96,14 +96,14 @@ class AliStsService extends BaseService
         $res = $this->getAliStsControls($payload);
         $this->log->info(__CLASS__.':'.__FUNCTION__.':授权oss信息:'.json_encode($res));
 
-        $aliResponse = $res->body['credentials'] ?? [];
+        $aliResponse = $res->body->credentials;
         if (empty($aliResponse)) throw new AdminException('授权失败');
 
         return $this->return->success('success',[
-            'access_key_id' => $aliResponse['accessKeyId'],
-            'access_key_secret' => $aliResponse['accessKeySecret'],
-            'expiration' => $aliResponse['expiration'],
-            'security_token' => $aliResponse['securityToken'],
+            'access_key_id' => $aliResponse->accessKeyId,
+            'access_key_secret' => $aliResponse->accessKeySecret,
+            'expiration' => $aliResponse->expiration,
+            'security_token' => $aliResponse->securityToken,
             'callback_url' => config('ali.callback_url')
         ]);
     }