add

server/app/Http/Controllers/Api/V1/AuthController.php

@@ -162,7 +162,7 @@ class AuthController extends Controller
                 $user->save();
             }*/
             \Log::info($user);
-            $token = $user->createToken($user->phone)->accessToken;
+            if($user)$token = $user->createToken($user->phone)->accessToken;
             return $this->api(compact( 'user', 'code','token'));
         }else{
             return $this->error(ErrorCode::INCORRECT_USER_OR_PASS);