diff --git a/README.md b/README.md
index 7fb0b07..21f67ae 100644
--- a/README.md
+++ b/README.md
@@ -232,10 +232,10 @@ uv run ansible-playbook playbooks/deploy_managed_systemd_apps.yml -i inventory/h
 uv run ansible-playbook playbooks/deploy_managed_systemd_apps.yml -i inventory/hosts.yml --limit pc -e managed_systemd_apps_selected_names=codex-retry-gateway
 ```
 
-推荐冒烟命令：
+真实 Codex 网关冒烟固定显式使用 `gpt-5.6-terra`，不再使用 `gpt-5.4`：
 
 ```bash
-codex --dangerously-bypass-approvals-and-sandbox -c model="gpt-5.4" hello
+codex --dangerously-bypass-approvals-and-sandbox -c model="gpt-5.6-terra" hello
 ```
 
 建议同时检查：