diff --git a/app/Service/Admin/Third/AliStsService.php b/app/Service/Admin/Third/AliStsService.php
index 12df690..9d80628 100644
--- a/app/Service/Admin/Third/AliStsService.php
+++ b/app/Service/Admin/Third/AliStsService.php
@@ -96,7 +96,7 @@ 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',[