diff --git a/mongodb/auth.md b/database/mongodb/auth.md
similarity index 100%
rename from mongodb/auth.md
rename to database/mongodb/auth.md
diff --git a/mongodb/install.md b/database/mongodb/install.md
similarity index 100%
rename from mongodb/install.md
rename to database/mongodb/install.md
diff --git a/mongodb/use.md b/database/mongodb/use.md
similarity index 100%
rename from mongodb/use.md
rename to database/mongodb/use.md
diff --git a/database/postgres/docker-compose.yml b/database/postgres/docker-compose.yml
new file mode 100644
index 0000000..86ba9f5
--- /dev/null
+++ b/database/postgres/docker-compose.yml
@@ -0,0 +1,35 @@
+services:
+  postgres:
+    container_name: postgres_container
+    image: postgres
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-root}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-123456}
+      PGDATA: /data/postgres
+    volumes:
+      - postgres:/data/postgres
+    ports:
+      - "5432:5432"
+    networks:
+      - postgres
+    restart: unless-stopped
+
+  pgadmin:
+    container_name: pgadmin_container
+    image: dpage/pgadmin4
+    environment:
+      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL:-root@test.com}
+      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD:-123456}
+      PGADMIN_CONFIG_SERVER_MODE: "False"
+    ports:
+      - "${PGADMIN_PORT:-8091}:80"
+    networks:
+      - postgres
+    restart: unless-stopped
+
+networks:
+  postgres:
+    driver: bridge
+
+volumes:
+  postgres:
diff --git a/go/gocode.md b/go/gocode.md
index 3fef00a..42d3ebe 100644
--- a/go/gocode.md
+++ b/go/gocode.md
@@ -4,3 +4,16 @@
 # 退出gocode 服务
 gocode exit
 ```
+
+## error
+
+slice append 会引用到原slice
+
+```golang
+ a := make([]any, 0, 20)
+ a = append(a, 1, 2, 3)
+ b := append(a, 4)
+ c := append(a, 5)
+ b[0] = 0
+ logv.Warn().Msgf("%v %v %v", a, b, c)
+```
diff --git a/linux/caddy.md b/linux/caddy.md
index fb08e79..9cf4865 100644
--- a/linux/caddy.md
+++ b/linux/caddy.md
@@ -2,6 +2,8 @@
 
 ## caddyfile
 
+ docker run -d -p 80:80 --name caddy -v ~/.config/www:/data -v ~/.config/caddy:/etc/caddy caddy
+
 ```bash
 *.nps.veypi.com:80 {
     reverse_proxy 127.0.0.1:800
diff --git a/linux/ssh.md b/linux/ssh.md
index 8731b9e..8ca170e 100644
--- a/linux/ssh.md
+++ b/linux/ssh.md
@@ -8,4 +8,31 @@ ssh -R 8022:localhost:2017 user@ip -N
 
 # 将远程服务器的 8022 端口映射到本地的 2017 端口
 ssh -L 2017:localhost:8022 user@ip -N
+
+
+
 ```
+
+# auto ssh proxy
+
+ssh -C -N -R remote_port:localhost:local_port username@remote_server
+
+vim /etc/systemd/system/vautossh.service
+
+```
+[Unit]
+Description=AutoSSH tunnel service for reverse port forwarding
+After=network.target
+
+[Service]
+Environment="AUTOSSH_GATETIME=0"
+ExecStart=/usr/bin/ssh  -o ServerAliveInterval=60 -o ServerAliveCountMax=3 -C -N -R remote_port:localhost:local_port username@remote_server
+Restart=always
+User=your_username
+
+[Install]
+WantedBy=multi-user.target
+```
+
+systemctl daemon-reload
+systemctl enable vautossh.service
diff --git a/linux/tmux.md b/linux/tmux.md
index 7ada03e..b310a5f 100644
--- a/linux/tmux.md
+++ b/linux/tmux.md
@@ -33,7 +33,6 @@ tmux attach -t $1
 ```
 
 ## .tmux.conf
-
 ```bash
 # ln -s $(pwd)/tmux.conf ~/.tmux.conf
 
@@ -47,20 +46,14 @@ bind r source-file ~/.tmux.conf \; display-message "Config reloaded.."
 # 打开鼠标 调整面板 切换面板
 set-option -g mouse on
 
-
-
 set -g base-index 1 # 设置窗口的起始下标为1
 set -g pane-base-index 1 # 设置面板的起始下标为1
 
-
 unbind '"'
 bind - splitw -v -c '#{pane_current_path}' # 垂直方向新增面板，默认进入当前目录
 unbind %
 bind =  splitw -h -c '#{pane_current_path}' # 水平方向新增面板，默认进入当前目录
 
-
-
-
 set -g status-interval 1 # 状态栏刷新时间
 set -g status-justify left # 状态栏列表左对齐
 setw -g monitor-activity on # 非当前窗口有内容更新时在状态栏通知