diff --git a/config/my.cnf b/config/my.cnf
index d360aa4..d874042 100644
--- a/config/my.cnf
+++ b/config/my.cnf
@@ -16,7 +16,7 @@ init_connect='SET NAMES utf8mb4'
 
 #group_concat_max_len=1024
 #group_concat_max_len=10240
-group_concat_max_len=-1
+group_concat_max_len=4294967295
 
 [client]
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 2d70914..ec8f958 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,12 +1,12 @@
 version: '3'
 services: 
   mysql:
-    image: mysql:8.0.25
+    image: mysql:8.0.28
     restart: always
     container_name: mysql
     volumes:
       - ../volumes/data/mysqldata:/var/lib/mysql
-      - ./config/my.cnf:/etc/my.cnf
+      - ./config/my.cnf:/etc/mysql/conf.d/my.cnf
       #      数据库还原目录 可将需要还原的sql文件放在这里
       - ./init/mysql:/docker-entrypoint-initdb.d
     environment: