diff --git a/scripts/dev_up.sh b/scripts/dev_up.sh
index f8d763d..1c3d682 100755
--- a/scripts/dev_up.sh
+++ b/scripts/dev_up.sh
@@ -74,10 +74,9 @@ fi
 echo "执行数据库迁移…"
 $PY manage.py migrate --no-input >/dev/null
 
-if [ ! -f var/local-access.txt ]; then
-  echo "初始化本地管理员…"
-  PYTHONPATH="$ROOT" $PY scripts/init_local.py
-fi
+# init_local.py 以数据库为准幂等执行：缺 admin 时创建并写凭据文件，已存在则跳过
+echo "初始化本地管理员（已存在则跳过）…"
+PYTHONPATH="$ROOT" $PY scripts/init_local.py
 
 if [ ! -d frontend/dist ]; then
   echo "构建前端（首次）…"