diff --git a/480T/n8n_service/.env b/480T/n8n_service/.env
new file mode 100644
index 0000000..0944bb6
--- /dev/null
+++ b/480T/n8n_service/.env
@@ -0,0 +1,11 @@
+DB_POSTGRESDB_HOST=postgres
+DB_POSTGRESDB_PORT=5432
+DB_POSTGRESDB_DATABASE=n8n
+DB_POSTGRESDB_USER=n8n
+DB_POSTGRESDB_PASSWORD=CHANGE_ME_STRONG_PASSWORD
+DB_POSTGRESDB_SCHEMA=public
+
+N8N_ENCRYPTION_KEY=XepzhV7nMbjYN
+
+N8N_BASIC_AUTH_USER=Kun
+N8N_BASIC_AUTH_PASSWORD=XepzhV7nMbjYN
\ No newline at end of file
diff --git a/480T/n8n_service/docker-compose.yaml b/480T/n8n_service/docker-compose.yaml
index c5e101d..ea2399d 100644
--- a/480T/n8n_service/docker-compose.yaml
+++ b/480T/n8n_service/docker-compose.yaml
@@ -30,20 +30,20 @@ services:
 
       # ===== 数据库（Postgres）=====
       DB_TYPE: postgresdb
-      DB_POSTGRESDB_HOST: postgres
-      DB_POSTGRESDB_PORT: 5432
-      DB_POSTGRESDB_DATABASE: n8n
-      DB_POSTGRESDB_USER: n8n
-      DB_POSTGRESDB_PASSWORD: CHANGE_ME_STRONG_PASSWORD
-      DB_POSTGRESDB_SCHEMA: public
+      DB_POSTGRESDB_HOST: ${DB_POSTGRESDB_HOST}
+      DB_POSTGRESDB_PORT: ${DB_POSTGRESDB_PORT}
+      DB_POSTGRESDB_DATABASE: ${DB_POSTGRESDB_DATABASE}
+      DB_POSTGRESDB_USER: ${DB_POSTGRESDB_USER}
+      DB_POSTGRESDB_PASSWORD: ${DB_POSTGRESDB_PASSWORD}
+      DB_POSTGRESDB_SCHEMA: ${DB_POSTGRESDB_SCHEMA}
 
       # ===== 强烈建议：首次就固定（不要后面改）=====
-      N8N_ENCRYPTION_KEY: "XepzhV7nMbjYN"
+      N8N_ENCRYPTION_KEY: ${N8N_ENCRYPTION_KEY}
 
       # 可选：限制注册/简易认证（看你的版本/用法）
       N8N_BASIC_AUTH_ACTIVE: "true"
-      N8N_BASIC_AUTH_USER: "Kun"
-      N8N_BASIC_AUTH_PASSWORD: "XepzhV7nMbjYN"
+      N8N_BASIC_AUTH_USER: ${N8N_BASIC_AUTH_USER}
+      N8N_BASIC_AUTH_PASSWORD: ${N8N_BASIC_AUTH_PASSWORD}
 
     volumes:
       - n8n_data:/home/node/.n8n