=== 请求信息 ===
请求地址：https://ajvacuumbag.com/upload/products/121C-High-Temperature-Sterilization-Vacuum-Bag/121C-High-Temperature-Sterilization-Vacuum-Bag/121C-High-Temperature-Sterilization-Vacuum-Bag-detail-6.webp
路径信息：upload/products/121C-High-Temperature-Sterilization-Vacuum-Bag/121C-High-Temperature-Sterilization-Vacuum-Bag/121C-High-Temperature-Sterilization-Vacuum-Bag-detail-6.webp
目标类名：app\controller\upload
目标方法：products

=== 类文件诊断 ===
composer autoload 定位：/home/wwwroot/ajvacuumbag/wwwroot/vendor/../app/controller/upload.php
【确认问题】文件路径存在但磁盘上找不到 → Linux 文件名大小写不匹配！
期望文件：upload.php
目录实际文件：
  Error.php
  Index.php

=== 类加载状态 ===
class_exists: 否
method_exists: 否