diff --git a/app/common/controller/UsedCarController.php b/app/common/controller/UsedCarController.php
index 5c7db2b..b0d8bd8 100644
--- a/app/common/controller/UsedCarController.php
+++ b/app/common/controller/UsedCarController.php
@@ -98,7 +98,7 @@ class UsedCarController extends BaseController
              $ossService = new OssService();
              $images_pull = [];
              //图片压缩参数 resize,w_1200:最大宽度1200px，quality,Q_50:图片质量如压缩到50%，format,webp:自动转 WebP
-             $process = 'image/resize,w_800/quality,Q_50/format,webp';
+             $process = 'image/resize,w_800/quality,Q_40/format,webp';
              foreach ($images as $image){
                  $images_pull[] = $ossService->generatePrivateUrlResize($image,3600,$process);
              }
@@ -187,7 +187,6 @@ class UsedCarController extends BaseController
      */
      public function producePdf(Request $request){
          try {
-             set_time_limit(40);
              $price = $request->get('price');
              $lang = $request->get('lang');
              $currency = $request->get('currency');