diff --git a/defaults/main.yml b/defaults/main.yml
index 02cef3d..557a0d1 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,3 +1,4 @@
+# server setting
 drone_server_enable: "false"
 drone_agent_enable: "false"
 drone_version: "latest"
@@ -9,23 +10,27 @@ drone_rpc_server: "http://drone-server"
 drone_runner_capacity: "3"
 drone_host_port: "8080"
 
+# github setting
 drone_github_server: "https://github.com"
 drone_github_client_id: ""
 drone_github_client_secret: ""
 drone_github_debug: "false"
 
+# gitlab setting
 drone_gitlab_server: "https://gitlab.com"
 drone_gitlab_client_id: ""
 drone_gitlab_client_secret: ""
 drone_gitlab_skip_verify: "false"
 drone_gitlab_debug: "false"
 
+# gitea setting
 drone_gitea_server: ""
 drone_gitea_client_id: ""
 drone_gitea_client_secret: ""
 drone_gitea_skip_verify: "false"
 drone_gitea_debug: "false"
 
+# database setting
 drone_database_driver: "sqlite"
 drone_sqlite_dir: "/var/lib/drone"
 drone_postgres_data_dir: "/var/lib/postgresql/data"
diff --git a/templates/drone-server.env.j2 b/templates/drone-server.env.j2
index 1daf399..dd0086a 100644
--- a/templates/drone-server.env.j2
+++ b/templates/drone-server.env.j2
@@ -8,6 +8,9 @@ DRONE_TLS_AUTOCERT=false
 {% if drone_rpc_secret is defined %}
 DRONE_RPC_SECRET={{ drone_rpc_secret }}
 {% endif %}
+{% if drone_database_secret is defined  and drone_database_secret != "" %}
+DRONE_DATABASE_SECRET={{ drone_database_secret }}
+{% endif %}
 DRONE_AGENTS_ENABLED=true
 {% if drone_logs_pretty is defined %}
 DRONE_LOGS_PRETTY={{ drone_logs_pretty }}