配置表单 UPLOAD_STORAGE_BACKENDlocaloss UPLOAD_MAX_SIZE_MB ── 私有 OSS（主存储）── OSS_BUCKET_NAME OSS_REGION OSS_ENDPOINT OSS_PUBLIC_BASE_URL UPLOAD_ADMIN_TOKEN OSS_ACCESS_KEY_ID OSS_ACCESS_KEY_SECRET 保存配置读取当前配置 等待读取配置。