虽然但是，我是直接部署在snippets上的…… 
例子 
/* ============================= */
/* ===== 🔐 硬编码配置 ========= */
/* ============================= */

const B2_APPLICATION_KEY_ID = "";
const B2_APPLICATION_KEY = "";
const B2_ENDPOINT = "s3.us-east-005.backblazeb2.com";
const BUCKET_NAME = "";
const REGION = "us-east-005";

const encoder = new TextEncoder();

// =============================================
// AWS V...