diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 46c8253..b37a2b1 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -45,8 +45,9 @@ jobs:
     env:
       NODE_ENV: test
       LOG_LEVEL: error
-      DATABASE_URL: postgresql://postgres:postgres@127.0.0.1:5432/lingxi_test?schema=public
-      REDIS_URL: redis://127.0.0.1:6379
+      # job 运行在容器里：service 容器用 <service-id>:<port> 访问，不能用 127.0.0.1。
+      DATABASE_URL: postgresql://postgres:postgres@postgres:5432/lingxi_test?schema=public
+      REDIS_URL: redis://redis:6379
       JWT_ACCESS_SECRET: ci-only-access-secret-at-least-32-chars
       JWT_REFRESH_SECRET: ci-only-refresh-secret-at-least-32-chars
       WEB_ORIGIN: http://127.0.0.1:4173