diff --git a/frontend/controllers/CarController.php b/frontend/controllers/CarController.php
index f7e9cb9..25b9de6 100644
--- a/frontend/controllers/CarController.php
+++ b/frontend/controllers/CarController.php
@@ -636,8 +636,8 @@ class CarController extends BaseController
         if($params['HolderIdType'] == '身份证') $params['HolderIdType'] = 1;
         else $params['HolderIdType'] = 9;
 
-        $min_chesun = floatval($request->input('min_chesun'));
-        $max_chesun = floatval($request->input('max_chesun'));
+        $min_chesun = floatval($request->post('min_chesun'));
+        $max_chesun = floatval($request->post('max_chesun'));
 
         if($params['CheSun'] > 0 && $min_chesun > 0 && $max_chesun > 0 && ($params['CheSun'] < $min_chesun || $params['CheSun'] > $max_chesun)) {
             return MyLib::error3('车损只能填写：'.$min_chesun.' ~ '.$max_chesun.' 之间的值');