diff --git a/docker-compose/.env b/docker-compose/.env
new file mode 100644
index 0000000..87ccc82
--- /dev/null
+++ b/docker-compose/.env
@@ -0,0 +1,2 @@
+KEY=123456
+SERVER=www.yourserver.com
\ No newline at end of file
diff --git a/docker-compose/client.yml b/docker-compose/client.yml
index 1f27dfb..4eced79 100644
--- a/docker-compose/client.yml
+++ b/docker-compose/client.yml
@@ -6,4 +6,4 @@ services:
     restart: always
     ports:
       - 1080:1080
-    command: "./pingtunnel -type client -l 0.0.0.0:1080 -s www.yourserver.com -sock5 1 -key 123456"
\ No newline at end of file
+    command: "./pingtunnel -type client -l 0.0.0.0:1080 -s ${SERVER} -sock5 1 -key ${KEY}"
\ No newline at end of file
diff --git a/docker-compose/server.yml b/docker-compose/server.yml
index 47756df..63e6009 100644
--- a/docker-compose/server.yml
+++ b/docker-compose/server.yml
@@ -5,4 +5,4 @@ services:
     image: esrrhs/pingtunnel:latest
     restart: always
     network_mode: host
-    command: "./pingtunnel -type server -key 123456"
\ No newline at end of file
+    command: "./pingtunnel -type server -key ${KEY}"
\ No newline at end of file