diff --git a/app/api/controller/VehicleController.php b/app/api/controller/VehicleController.php
index 606ea14bd..a30a26e2f 100644
--- a/app/api/controller/VehicleController.php
+++ b/app/api/controller/VehicleController.php
@@ -30,7 +30,7 @@ class VehicleController extends BaseApiController
         //自有车辆数量
         $selfCar = VehicleRent::field('id')->where('company_id',$this->userInfo['company_id'])->where('status','<>',3)->where('type',1)->count();
         //可在租车辆
-        $doubleRentCar = $villageCompany - $rentCar - $applyCar - $selfCar;
+        $doubleRentCar = max($villageCompany - $rentCar - $applyCar - $selfCar,0);
         if($params['num'] > $doubleRentCar ){
             return $this->fail('数量超过可再租车辆数');
         }
@@ -395,7 +395,7 @@ class VehicleController extends BaseApiController
         //自有车辆数量
         $selfCar = VehicleRent::field('id')->where('company_id',$company['id'])->where('status','<>',3)->where('type',1)->count();
         //可在租车辆
-        $doubleRentCar = $villageCompany - $rentCar - $applyCar - $selfCar;
+        $doubleRentCar = max($villageCompany - $rentCar - $applyCar - $selfCar,0);
         //设置数据
         $data = [
             'apply' => $vehicleContract,