diff --git a/memos/env.cfg.example b/memos/env.cfg.example
index ebd525a..507b9e9 100644
--- a/memos/env.cfg.example
+++ b/memos/env.cfg.example
@@ -17,5 +17,5 @@ PGSQL_IMAGE_TAG=postgres:18.4
 
 # ---------- 数据卷 ----------
 # 宿主机持久化目录，会挂载到容器 /var/opt/memos
-# 部署前手动创建：mkdir -pv /data/volumes/memos/data
+# 部署前手动创建：mkdir -pv /data/volumes/memos/{data,pgsql_data}
 Volumes_Path=/data/volumes/memos
diff --git a/memos/local.stack.yml b/memos/local.stack.yml
index f850ec9..69aedcc 100644
--- a/memos/local.stack.yml
+++ b/memos/local.stack.yml
@@ -28,11 +28,12 @@ services:
       - POSTGRES_HOST_AUTH_METHOD=scram-sha-256
       - TZ=Asia/Shanghai
     volumes:
+      # Postgres 数据持久化（具名卷 pgsql_data）
       - pgsql_data:/var/lib/postgresql/data
       - /etc/timezone:/etc/timezone:ro
       - /etc/localtime:/etc/localtime:ro
     ports:
-      - "${PGSQL_PORT:-15432}:5432"
+      - "${DB_POST:-15432}:5432"
     healthcheck:
       test:
         [
diff --git a/memos/prod.stack.yml b/memos/prod.stack.yml
index 7005d5f..71c1970 100644
--- a/memos/prod.stack.yml
+++ b/memos/prod.stack.yml
@@ -2,7 +2,7 @@
 # pull:: docker compose -p memos --env-file ./memos/env.cfg -f ./memos/prod.stack.yml pull
 # run-61::  docker compose -p memos --env-file ./memos/env.cfg --env-file ./memos/db-61.cnf  -f ./memos/prod.stack.yml up -d
 # run-184:: docker compose -p memos --env-file ./memos/env.cfg --env-file ./memos/db-184.cnf  -f ./memos/prod.stack.yml up -d
-# run-lkc:: docker compose -p memos --env-file ./memos/env.cfg --env-file ./memos/env-lkc.cnf  -f ./memos/prod.stack.yml up -d
+# run-lkc:: docker compose -p memos --env-file ./memos/env.cfg --env-file ./memos/db-lkc.cnf  -f ./memos/prod.stack.yml up -d
 # run-local:: docker compose -p memos --env-file ./memos/env.cfg --env-file ./memos/db-local.cnf -f ./memos/prod.stack.yml up -d
 
 services:
@@ -36,7 +36,7 @@ services:
       - POSTGRES_HOST_AUTH_METHOD=scram-sha-256
       - TZ=Asia/Shanghai
     volumes:
-      - pgsql_data:/var/lib/postgresql/data
+      - ${Volumes_Path}/pgsql_data:/var/lib/postgresql/data
       - /etc/timezone:/etc/timezone:ro
       - /etc/localtime:/etc/localtime:ro
     ports: