diff --git a/app/controller/api/Auth.php b/app/controller/api/Auth.php
index 06038f7..313b8d1 100644
--- a/app/controller/api/Auth.php
+++ b/app/controller/api/Auth.php
@@ -445,8 +445,9 @@ class Auth extends BaseController
             $repository->syncBaseAuth($auth, $user);
         }
         $user = $repository->mainUser($user);
-        $repository->bindSpread($user, intval($data['spread']), 1);
-
+        if(!empty($data['spread'])){
+            $repository->bindSpread($user, intval($data['spread']), 1);
+        }
         $tokenInfo = $repository->createToken($user);
         $repository->loginAfter($user);
         //上级获得推荐分