diff --git a/backend/.env b/backend/.env
index 573460a..0700b61 100644
--- a/backend/.env
+++ b/backend/.env
@@ -1,5 +1,18 @@
+# MySQL 数据库
 DB_HOST=rm-7xv1uaw910558p1788o.mysql.rds.aliyuncs.com
 DB_USER=airlabs_manage
 DB_PASSWORD=Airlabs-manage123
 DB_PORT=3306
 DB_NAME=airlabs-manage
+
+# 豆包模型配置 (火山引擎 ARK)
+ARK_API_KEY=846b6981-9954-4c58-bb39-63079393bdb8
+ARK_MODEL=doubao-seed-1-8-251228
+ARK_BASE_URL=https://ark.cn-beijing.volces.com/api/v3
+
+# 飞书自建应用
+FEISHU_APP_ID=cli_a90478156bf85bd7
+FEISHU_APP_SECRET=87N2nnx6Yv56TPjl2GraLdKOjFiGOSGp
+
+# 报告接收人手机号（逗号分隔）
+REPORT_RECEIVERS=18002277047,13811803069,13636518028,13811126887