问题修复

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