diff --git a/deploy/postgres/README.md b/deploy/postgres/README.md
index 04e7222..920d9f9 100644
--- a/deploy/postgres/README.md
+++ b/deploy/postgres/README.md
@@ -6,6 +6,7 @@
 
 - `create_databases.sql`：创建四个业务库与对应角色（可多次执行，存在则跳过）。
 - `bootstrap.ps1`：PowerShell 包装脚本，调用 `psql` 执行 SQL。
+- `seed_tenant_seckill_permissions.sql`：补齐租户端秒杀活动权限码、菜单权限与角色授权映射（可重复执行）。
 
 ## 前置条件
 
@@ -38,6 +39,20 @@ cd deploy/postgres
 - 如需修改密码或新增库，编辑 `create_databases.sql` 后重新运行脚本。
 - 若在本地拉起测试库，可把 `Host` 指向 `localhost`，其余参数保持一致。
 
+## 秒杀权限补齐
+
+在 `takeout_identity_db` 执行：
+
+```powershell
+psql -h <host> -p <port> -U identity_user -d takeout_identity_db -f .\seed_tenant_seckill_permissions.sql
+```
+
+脚本会完成：
+
+1. 新增/修正 `tenant:marketing:seckill:*` 权限码。
+2. 更新秒杀菜单 (`/marketing/seckill/index`) 的 `RequiredPermissions`、`MetaPermissions` 与 `AuthListJson`。
+3. 参考满减权限映射，补齐角色模板与租户角色的秒杀权限授权。
+
 ## 常见问题
 
 | 问题 | 处理方式 |
diff --git a/deploy/postgres/seed_tenant_seckill_permissions.sql b/deploy/postgres/seed_tenant_seckill_permissions.sql
new file mode 100644
index 0000000..944d44c
--- /dev/null
+++ b/deploy/postgres/seed_tenant_seckill_permissions.sql
@@ -0,0 +1,263 @@
+-- 文件职责：补齐 Tenant 端秒杀活动权限与菜单权限绑定（可重复执行）。
+-- 执行范围：takeout_identity 数据库（Portal=1，Tenant 端）。
+
+BEGIN;
+
+-- 1) 新增/修正营销中心秒杀权限码
+WITH seckill_permissions(code, name, sort_order) AS (
+    VALUES
+        ('tenant:marketing:seckill:view', '查看秒杀活动', 29),
+        ('tenant:marketing:seckill:create', '创建秒杀活动', 30),
+        ('tenant:marketing:seckill:update', '编辑秒杀活动', 31),
+        ('tenant:marketing:seckill:delete', '删除秒杀活动', 32),
+        ('tenant:marketing:seckill:status', '切换秒杀状态', 33)
+),
+missing AS (
+    SELECT
+        s.code,
+        s.name,
+        s.sort_order,
+        ROW_NUMBER() OVER (ORDER BY s.sort_order, s.code) AS rn
+    FROM seckill_permissions s
+    LEFT JOIN public.permissions p
+        ON p."Code" = s.code
+    WHERE p."Id" IS NULL
+),
+base AS (
+    SELECT COALESCE(MAX("Id"), 820000000000000000) AS max_id
+    FROM public.permissions
+)
+INSERT INTO public.permissions
+(
+    "Id", "Name", "Code", "Description", "CreatedAt", "UpdatedAt", "DeletedAt",
+    "CreatedBy", "UpdatedBy", "DeletedBy", "ParentId", "SortOrder", "Type", "Portal"
+)
+SELECT
+    base.max_id + missing.rn,
+    missing.name,
+    missing.code,
+    NULL,
+    NOW(),
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    820000000000000005,
+    missing.sort_order,
+    'leaf',
+    1
+FROM missing
+CROSS JOIN base;
+
+WITH seckill_permissions(code, name, sort_order) AS (
+    VALUES
+        ('tenant:marketing:seckill:view', '查看秒杀活动', 29),
+        ('tenant:marketing:seckill:create', '创建秒杀活动', 30),
+        ('tenant:marketing:seckill:update', '编辑秒杀活动', 31),
+        ('tenant:marketing:seckill:delete', '删除秒杀活动', 32),
+        ('tenant:marketing:seckill:status', '切换秒杀状态', 33)
+)
+UPDATE public.permissions p
+SET
+    "Name" = s.name,
+    "ParentId" = 820000000000000005,
+    "SortOrder" = s.sort_order,
+    "Type" = 'leaf',
+    "Portal" = 1,
+    "DeletedAt" = NULL,
+    "DeletedBy" = NULL,
+    "UpdatedAt" = NOW()
+FROM seckill_permissions s
+WHERE p."Code" = s.code;
+
+-- 2) 绑定秒杀菜单的访问权限与按钮权限
+UPDATE public.menu_definitions
+SET
+    "RequiredPermissions" = 'tenant:marketing:seckill:view',
+    "MetaPermissions" = 'tenant:marketing:seckill:view,tenant:marketing:seckill:create,tenant:marketing:seckill:update,tenant:marketing:seckill:delete,tenant:marketing:seckill:status',
+    "AuthListJson" = '[{"title":"创建","authMark":"tenant:marketing:seckill:create"},{"title":"编辑","authMark":"tenant:marketing:seckill:update"},{"title":"删除","authMark":"tenant:marketing:seckill:delete"},{"title":"停启用","authMark":"tenant:marketing:seckill:status"}]',
+    "UpdatedAt" = NOW()
+WHERE
+    "Portal" = 1
+    AND ("Path" = 'seckill' OR "Component" = '/marketing/seckill/index');
+
+-- 3) 给角色模板补齐秒杀权限（按满减权限映射）
+WITH code_mapping(source_code, target_code) AS (
+    VALUES
+        ('tenant:marketing:full-reduction:view', 'tenant:marketing:seckill:view'),
+        ('tenant:marketing:full-reduction:create', 'tenant:marketing:seckill:create'),
+        ('tenant:marketing:full-reduction:update', 'tenant:marketing:seckill:update'),
+        ('tenant:marketing:full-reduction:delete', 'tenant:marketing:seckill:delete'),
+        ('tenant:marketing:full-reduction:update', 'tenant:marketing:seckill:status')
+),
+candidates AS (
+    SELECT DISTINCT
+        rtp."RoleTemplateId",
+        mapping.target_code
+    FROM public.role_template_permissions rtp
+    INNER JOIN code_mapping mapping
+        ON mapping.source_code = rtp."PermissionCode"
+    WHERE rtp."DeletedAt" IS NULL
+),
+missing AS (
+    SELECT
+        c."RoleTemplateId",
+        c.target_code,
+        ROW_NUMBER() OVER (ORDER BY c."RoleTemplateId", c.target_code) AS rn
+    FROM candidates c
+    LEFT JOIN public.role_template_permissions existing
+        ON existing."RoleTemplateId" = c."RoleTemplateId"
+       AND existing."PermissionCode" = c.target_code
+    WHERE existing."Id" IS NULL
+),
+base AS (
+    SELECT COALESCE(MAX("Id"), 820000000000000000) AS max_id
+    FROM public.role_template_permissions
+)
+INSERT INTO public.role_template_permissions
+(
+    "Id", "RoleTemplateId", "PermissionCode", "CreatedAt", "UpdatedAt", "DeletedAt",
+    "CreatedBy", "UpdatedBy", "DeletedBy"
+)
+SELECT
+    base.max_id + missing.rn,
+    missing."RoleTemplateId",
+    missing.target_code,
+    NOW(),
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL
+FROM missing
+CROSS JOIN base;
+
+WITH code_mapping(source_code, target_code) AS (
+    VALUES
+        ('tenant:marketing:full-reduction:view', 'tenant:marketing:seckill:view'),
+        ('tenant:marketing:full-reduction:create', 'tenant:marketing:seckill:create'),
+        ('tenant:marketing:full-reduction:update', 'tenant:marketing:seckill:update'),
+        ('tenant:marketing:full-reduction:delete', 'tenant:marketing:seckill:delete'),
+        ('tenant:marketing:full-reduction:update', 'tenant:marketing:seckill:status')
+)
+UPDATE public.role_template_permissions target
+SET
+    "DeletedAt" = NULL,
+    "DeletedBy" = NULL,
+    "UpdatedAt" = NOW()
+FROM public.role_template_permissions source
+INNER JOIN code_mapping mapping
+    ON mapping.source_code = source."PermissionCode"
+WHERE
+    source."RoleTemplateId" = target."RoleTemplateId"
+    AND target."PermissionCode" = mapping.target_code;
+
+-- 4) 给租户角色补齐秒杀权限（按满减权限映射）
+WITH code_mapping(source_code, target_code) AS (
+    VALUES
+        ('tenant:marketing:full-reduction:view', 'tenant:marketing:seckill:view'),
+        ('tenant:marketing:full-reduction:create', 'tenant:marketing:seckill:create'),
+        ('tenant:marketing:full-reduction:update', 'tenant:marketing:seckill:update'),
+        ('tenant:marketing:full-reduction:delete', 'tenant:marketing:seckill:delete'),
+        ('tenant:marketing:full-reduction:update', 'tenant:marketing:seckill:status')
+),
+source_rows AS (
+    SELECT DISTINCT
+        rp."RoleId",
+        rp."TenantId",
+        rp."Portal",
+        mapping.target_code
+    FROM public.role_permissions rp
+    INNER JOIN public.permissions source_permission
+        ON source_permission."Id" = rp."PermissionId"
+    INNER JOIN code_mapping mapping
+        ON mapping.source_code = source_permission."Code"
+    WHERE rp."DeletedAt" IS NULL
+      AND rp."Portal" = 1
+),
+candidates AS (
+    SELECT DISTINCT
+        s."RoleId",
+        s."TenantId",
+        s."Portal",
+        target_permission."Id" AS target_permission_id
+    FROM source_rows s
+    INNER JOIN public.permissions target_permission
+        ON target_permission."Code" = s.target_code
+),
+missing AS (
+    SELECT
+        c."RoleId",
+        c."TenantId",
+        c."Portal",
+        c.target_permission_id,
+        ROW_NUMBER() OVER (
+            ORDER BY c."TenantId", c."RoleId", c.target_permission_id
+        ) AS rn
+    FROM candidates c
+    LEFT JOIN public.role_permissions existing
+        ON existing."RoleId" = c."RoleId"
+       AND existing."PermissionId" = c.target_permission_id
+       AND existing."Portal" = c."Portal"
+       AND (
+            (existing."TenantId" IS NULL AND c."TenantId" IS NULL)
+            OR existing."TenantId" = c."TenantId"
+       )
+    WHERE existing."Id" IS NULL
+),
+base AS (
+    SELECT COALESCE(MAX("Id"), 830000000000000000) AS max_id
+    FROM public.role_permissions
+)
+INSERT INTO public.role_permissions
+(
+    "Id", "RoleId", "PermissionId", "CreatedAt", "UpdatedAt", "DeletedAt",
+    "CreatedBy", "UpdatedBy", "DeletedBy", "TenantId", "Portal"
+)
+SELECT
+    base.max_id + missing.rn,
+    missing."RoleId",
+    missing.target_permission_id,
+    NOW(),
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    missing."TenantId",
+    missing."Portal"
+FROM missing
+CROSS JOIN base;
+
+WITH code_mapping(source_code, target_code) AS (
+    VALUES
+        ('tenant:marketing:full-reduction:view', 'tenant:marketing:seckill:view'),
+        ('tenant:marketing:full-reduction:create', 'tenant:marketing:seckill:create'),
+        ('tenant:marketing:full-reduction:update', 'tenant:marketing:seckill:update'),
+        ('tenant:marketing:full-reduction:delete', 'tenant:marketing:seckill:delete'),
+        ('tenant:marketing:full-reduction:update', 'tenant:marketing:seckill:status')
+)
+UPDATE public.role_permissions target
+SET
+    "DeletedAt" = NULL,
+    "DeletedBy" = NULL,
+    "UpdatedAt" = NOW()
+FROM public.role_permissions source
+INNER JOIN public.permissions source_permission
+    ON source_permission."Id" = source."PermissionId"
+INNER JOIN code_mapping mapping
+    ON mapping.source_code = source_permission."Code"
+INNER JOIN public.permissions target_permission
+    ON target_permission."Code" = mapping.target_code
+WHERE
+    source."Portal" = 1
+    AND target."Portal" = source."Portal"
+    AND target."RoleId" = source."RoleId"
+    AND target."PermissionId" = target_permission."Id"
+    AND (
+        (target."TenantId" IS NULL AND source."TenantId" IS NULL)
+        OR target."TenantId" = source."TenantId"
+    );
+
+COMMIT;