chore: 调整 nginx 入口为 8888 端口

docs/guides/release-checklist.md

@@ -64,7 +64,7 @@
 ## 8. 冒烟脚本
 - [ ] `cd backend && docker compose exec -T backend python scripts/smoke_setup_config.py`
 - [ ] 使用 `BASE_URL/EMAIL/PASSWORD/STUDY_ID` 环境变量执行一次（覆盖指定项目）
-- [ ] `BASE_URL=http://localhost EMAIL=... PASSWORD=... STUDY_ID=... bash docs/setup-config-curl-smoke.sh`
+- [ ] `BASE_URL=http://localhost:8888 EMAIL=... PASSWORD=... STUDY_ID=... bash docs/setup-config-curl-smoke.sh`
 - [ ] 导入并执行 Postman 集合 `docs/postman/setup-config.postman_collection.json`
 
 ## 9. 发布前确认