修复已知问题

backend/controllers/OssController.php

@@ -23,7 +23,7 @@ class OssController extends BaseController
         $object = md5(date('Y-m-d H:i:s') . $uploaded_file->tempName) . '.' . $uploaded_file->extension;
         $filePath = $uploaded_file->tempName;
         $ossClient = new OssClient($this->accessKeyId, $this->accessKeySecret, $this->endpoint);
-        $result = $ossClient->uploadFile($this->bucket, (empty($type) ? '' : $type . '/') . $object, $filePath);
+        $result = $ossClient->uploadFile($this->bucket, 'upload/' . (empty($type) ? '' : $type . '/') . $object, $filePath);
         if (!isset($result["info"]['url'])) {
             return ['code' => 1, 'msg' => '上传失败'];
         }