diff --git a/infra/deploy/compose.local.yaml b/infra/deploy/compose.local.yaml
index eadc59e..ff17d41 100644
--- a/infra/deploy/compose.local.yaml
+++ b/infra/deploy/compose.local.yaml
@@ -11,6 +11,7 @@ services:
       MYSQL_USER: lehuo
       TZ: Asia/Shanghai
     volumes:
+      - ../mysql-config:/etc/mysql/conf.d:ro
       - mysql-data:/var/lib/mysql
     healthcheck:
       test: ['CMD-SHELL', 'mysqladmin ping -h 127.0.0.1 -u root -proot-lehuo-2026 --silent']
@@ -43,7 +44,7 @@ services:
     environment:
       APP_ENV: demo
       API_PORT: '3000'
-      DATABASE_URL: mysql://lehuo:***@mysql:3306/lehuo?allowPublicKeyRetrieval=true&useSSL=false
+      DATABASE_URL: mysql://lehuo:change-me-local-only@mysql:3306/lehuo?allowPublicKeyRetrieval=true&useSSL=false&connectionLimit=10
       REDIS_URL: redis://redis:6379
       SESSION_SECRET: lehuo-local-session-secret-2026
       SESSION_TOKEN_PEPPER: lehuo-local-token-pepper-2026