diff --git a/docker-compose.yml b/docker-compose.yml
index 1561c0b..779371d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,8 +2,8 @@ version: "3"
 services:
 
   mysql:
-    image: mysql:8.0.36
-    # image: mysql:5.7.42
+    # image: mysql:8.0.36
+    image: mysql:5.7.42
     container_name: mysql
     ports:
       - "127.0.0.1:3306:3306"
@@ -16,10 +16,13 @@ services:
       MYSQL_ROOT_PASSWORD: "1234567890032password"
       MYSQL_ROOT_HOST: "%"
       TZ: "Asia/Shanghai"
+    networks:
+      - dnmp_network
+
 
   redis:
     image: redis:alpine
-    container_name: redis
+    container_name: redis:7.2
     ports:
       - "127.0.0.1:6379:6379"
     volumes:
@@ -29,6 +32,9 @@ services:
     entrypoint: ["redis-server", "/etc/redis.conf"]
     environment:
       TZ: "Asia/Shanghai"
+    networks:
+      - dnmp_network
+
 
   memcached:
     image: memcached:alpine
@@ -37,7 +43,9 @@ services:
     ports:
       - "127.0.0.1:11211:11211"
     environment:
-       MEMCACHED_CACHE_SIZE: "128"
+       MEMCACHED_CACHE_SIZE: "256"
+    networks:
+      - dnmp_network
 
   # postgres:
   #   image: postgres:alpine
@@ -51,3 +59,9 @@ services:
   #   volumes:
   #     - ./postgresql/data:/var/lib/postgresql/data/:rw
   #   restart: always
+  #   networks:
+  #     - dnmp_network
+
+networks:
+  dnmp_network:
+    external: true