diff --git a/backend/dev.sh b/backend/dev.sh
index abbfd9b..beb7541 100755
--- a/backend/dev.sh
+++ b/backend/dev.sh
@@ -85,7 +85,7 @@ DB_HOST="${DB_HOST:-localhost}"
 DB_PORT="${DB_PORT:-15432}"
 DB_USER="${DB_USER:-postgres}"
 DB_PASSWORD="${DB_PASSWORD:-123456}"
-DB_NAME="${DB_NAME:-topfans}"
+DB_NAME="${DB_NAME:-top-fans}"
 REDIS_HOST="${REDIS_HOST:-localhost}"
 REDIS_PORT="${REDIS_PORT:-6379}"
 REDIS_PASSWORD="${REDIS_PASSWORD:-123456}"
diff --git a/docker/.env.local b/docker/.env.local
index 7bbc03c..bc158f2 100644
--- a/docker/.env.local
+++ b/docker/.env.local
@@ -5,8 +5,11 @@
 # Usage: docker-compose -f docker-compose.local.yml --profile local up -d
 # ===================================================================
 
-# Database (must match POSTGRES_PASSWORD in compose file)
-DB_PASSWORD=postgres123
+# Database - 本地连接 host.docker.internal:15432 上的 postgres
+# (注意:本仓库 docker-compose.local.yml 不起 postgres 容器,共用宿主机上由
+#  sofaware-docker/PostgreSql 起的 postgresql-database-1,密码 123456,库名 top-fans)
+DB_PASSWORD=123456
+DB_NAME=top-fans
 
 # JWT Secret - CHANGE IN PRODUCTION
 JWT_SECRET=topfans-secret-key-local-dev-only