diff --git a/docs/sql/migrations/2026-09-11-mini-db-menus.sql b/docs/sql/migrations/2026-09-11-mini-db-menus.sql
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index 000000000..89370262f
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+++ b/docs/sql/migrations/2026-09-11-mini-db-menus.sql
@@ -0,0 +1,121 @@
+-- 小程序地磅：移动端菜单 + 超级管理员授权
+-- 设计: docs/superpowers/specs/2026-09-11-mini-db-menu-permission-design.md
+--
+-- 结构：
+--   移动端 (id=1)
+--     └─ 地磅管理 (MINI_DB_ROOT, M)
+--          ├─ 仪表盘       mini:db:dashboard
+--          ├─ 计划管理     mini:db:plan:list
+--          ├─ 出入库管理   mini:db:inventory:list
+--          └─ 地磅单管理   mini:db:weighing:list
+--
+-- 授权：仅 role_name='超级管理员'；其它角色在角色管理手工勾选。
+-- 执行环境：测试库（backend/.env）与生产库（backend/.env.production）数据库名均为 shanxia2.0。
+
+SET NAMES utf8mb4;
+
+INSERT INTO `sys_menu` (
+  `id`, `menu_name`, `parent_id`, `menu_type`, `path`, `component`, `perms`,
+  `is_frame`, `visible`, `status`, `tenant_no`, `order_num`, `remark`,
+  `create_by`, `create_dept_id`, `create_time`, `update_by`, `update_time`, `del_flag`
+)
+SELECT
+  'MINI_DB_ROOT', '地磅管理', '1', 'M', '/mini/db', NULL, NULL,
+  1, '1', '1', 'shanxia2.0', 1, '小程序地磅模块',
+  'system', '', NOW(), NULL, NOW(), 0
+FROM DUAL
+WHERE NOT EXISTS (
+  SELECT 1 FROM `sys_menu` WHERE `id` = 'MINI_DB_ROOT' AND `del_flag` = 0
+);
+
+INSERT INTO `sys_menu` (
+  `id`, `menu_name`, `parent_id`, `menu_type`, `path`, `component`, `perms`,
+  `is_frame`, `visible`, `status`, `tenant_no`, `order_num`, `remark`,
+  `create_by`, `create_dept_id`, `create_time`, `update_by`, `update_time`, `del_flag`
+)
+SELECT
+  'MINI_DB_DASHBOARD', '仪表盘', 'MINI_DB_ROOT', 'C', 'dashboard', NULL, 'mini:db:dashboard',
+  1, '1', '1', 'shanxia2.0', 1, NULL,
+  'system', '', NOW(), NULL, NOW(), 0
+FROM DUAL
+WHERE NOT EXISTS (
+  SELECT 1 FROM `sys_menu` WHERE `id` = 'MINI_DB_DASHBOARD' AND `del_flag` = 0
+);
+
+INSERT INTO `sys_menu` (
+  `id`, `menu_name`, `parent_id`, `menu_type`, `path`, `component`, `perms`,
+  `is_frame`, `visible`, `status`, `tenant_no`, `order_num`, `remark`,
+  `create_by`, `create_dept_id`, `create_time`, `update_by`, `update_time`, `del_flag`
+)
+SELECT
+  'MINI_DB_PLANS', '计划管理', 'MINI_DB_ROOT', 'C', 'plans', NULL, 'mini:db:plan:list',
+  1, '1', '1', 'shanxia2.0', 2, NULL,
+  'system', '', NOW(), NULL, NOW(), 0
+FROM DUAL
+WHERE NOT EXISTS (
+  SELECT 1 FROM `sys_menu` WHERE `id` = 'MINI_DB_PLANS' AND `del_flag` = 0
+);
+
+INSERT INTO `sys_menu` (
+  `id`, `menu_name`, `parent_id`, `menu_type`, `path`, `component`, `perms`,
+  `is_frame`, `visible`, `status`, `tenant_no`, `order_num`, `remark`,
+  `create_by`, `create_dept_id`, `create_time`, `update_by`, `update_time`, `del_flag`
+)
+SELECT
+  'MINI_DB_INVENTORY', '出入库管理', 'MINI_DB_ROOT', 'C', 'inventory', NULL, 'mini:db:inventory:list',
+  1, '1', '1', 'shanxia2.0', 3, NULL,
+  'system', '', NOW(), NULL, NOW(), 0
+FROM DUAL
+WHERE NOT EXISTS (
+  SELECT 1 FROM `sys_menu` WHERE `id` = 'MINI_DB_INVENTORY' AND `del_flag` = 0
+);
+
+INSERT INTO `sys_menu` (
+  `id`, `menu_name`, `parent_id`, `menu_type`, `path`, `component`, `perms`,
+  `is_frame`, `visible`, `status`, `tenant_no`, `order_num`, `remark`,
+  `create_by`, `create_dept_id`, `create_time`, `update_by`, `update_time`, `del_flag`
+)
+SELECT
+  'MINI_DB_WEIGHING', '地磅单管理', 'MINI_DB_ROOT', 'C', 'weighing', NULL, 'mini:db:weighing:list',
+  1, '1', '1', 'shanxia2.0', 4, NULL,
+  'system', '', NOW(), NULL, NOW(), 0
+FROM DUAL
+WHERE NOT EXISTS (
+  SELECT 1 FROM `sys_menu` WHERE `id` = 'MINI_DB_WEIGHING' AND `del_flag` = 0
+);
+
+-- 超级管理员：五个节点（含父）
+INSERT INTO `sys_role_menu` (
+  `id`, `role_id`, `menu_id`, `tenant_no`, `order_num`, `remark`,
+  `create_by`, `create_dept_id`, `create_time`, `update_by`, `update_time`, `del_flag`
+)
+SELECT
+  MD5(CONCAT(r.id, '|', m.menu_id, '|mini-db')),
+  r.id,
+  m.menu_id,
+  r.tenant_no,
+  0,
+  'mini db menus',
+  'system',
+  '',
+  NOW(),
+  NULL,
+  NOW(),
+  0
+FROM `sys_role` r
+INNER JOIN (
+  SELECT 'MINI_DB_ROOT' AS menu_id
+  UNION ALL SELECT 'MINI_DB_DASHBOARD'
+  UNION ALL SELECT 'MINI_DB_PLANS'
+  UNION ALL SELECT 'MINI_DB_INVENTORY'
+  UNION ALL SELECT 'MINI_DB_WEIGHING'
+) m
+WHERE r.role_name = '超级管理员'
+  AND r.tenant_no = 'shanxia2.0'
+  AND r.del_flag = 0
+  AND NOT EXISTS (
+    SELECT 1 FROM `sys_role_menu` x
+    WHERE x.role_id = r.id
+      AND x.menu_id = m.menu_id
+      AND x.del_flag = 0
+  );