diff --git a/backend/F9WebAiTest.Api/f9_web_ai_test_rbac.db b/backend/F9WebAiTest.Api/f9_web_ai_test_rbac.db
index 5831c94..178eabe 100644
Binary files a/backend/F9WebAiTest.Api/f9_web_ai_test_rbac.db and b/backend/F9WebAiTest.Api/f9_web_ai_test_rbac.db differ
diff --git a/backend/F9WebAiTest.Infrastructure/Data/DbSeeder.cs b/backend/F9WebAiTest.Infrastructure/Data/DbSeeder.cs
index b313243..5778f62 100644
--- a/backend/F9WebAiTest.Infrastructure/Data/DbSeeder.cs
+++ b/backend/F9WebAiTest.Infrastructure/Data/DbSeeder.cs
@@ -82,8 +82,7 @@ public static class DbSeeder
         // 6.68 生产模块（按工序拆分：生产-前缫 / 生产-后缫）
         SeedProdMenus(fsql, snowflake);
 
-        // 6.69 车间班次菜单（挂在"基础数据"目录下）+ 修正前缫部门的职责类型
-        SeedChejianBanciMenus(fsql, snowflake);
+        // 6.69 修正前缫部门的职责类型（车间班次菜单随"生产-前缫"一起处理）
         FixQianxianDutyType(fsql);
 
         // 6.7 为菜单创建权限单元（Permission），并修正旧菜单权限关联（统一权限模型）
@@ -675,10 +674,30 @@ public static class DbSeeder
             }
 
             // 2) 两个一级目录 + 各自页面菜单
+            // 车间班次原先挂在"基础数据"目录下，现归入"生产-前缫"
+            var legacyChejianbanci = fsql.Select<SysMenu>().Where(m => m.Path == "/base/chejianbanci").First();
+            if (legacyChejianbanci != null)
+            {
+                fsql.Ado.ExecuteNonQuery($"DELETE FROM sys_rbac_role_permissions WHERE permission_id = {legacyChejianbanci.Id}");
+                fsql.Ado.ExecuteNonQuery($"DELETE FROM sys_rbac_menus WHERE id = {legacyChejianbanci.Id}");
+                Console.WriteLine("[DbSeeder] 已清理旧菜单 /base/chejianbanci（车间班次移入生产-前缫）");
+            }
+
+            // 一并清理旧菜单遗留的权限单元（权限标识已从 base:chejianbanci:list 改为 prod:chejianbanci:list）
+            var legacyPerms = fsql.Ado.ExecuteDataTable("SELECT id FROM sys_rbac_permissions WHERE code = 'base:chejianbanci:list'");
+            foreach (DataRow permRow in legacyPerms.Rows)
+            {
+                var permId = Convert.ToInt64(permRow["id"]);
+                fsql.Ado.ExecuteNonQuery($"DELETE FROM sys_rbac_role_permissions WHERE permission_id = {permId}");
+                fsql.Ado.ExecuteNonQuery($"DELETE FROM sys_rbac_permissions WHERE id = {permId}");
+                Console.WriteLine("[DbSeeder] 已清理旧权限单元 base:chejianbanci:list");
+            }
+
             EnsureTopMenuWithChildren(fsql, snowflake, "/prod/qianxian", "生产-前缫", "Cpu", 5,
                 new (string Name, string Path, string Component, string Permission, string Icon, int Sort)[]
                 {
-                    ("落丝记录", "/prod/qianxian/lsjl", "prod/lsjl/index", "prod:lsjl:list", "Document", 1)
+                    ("落丝记录", "/prod/qianxian/lsjl", "prod/lsjl/index", "prod:lsjl:list", "Document", 1),
+                    ("车间班次", "/prod/qianxian/chejianbanci", "base/chejianbanci/index", "prod:chejianbanci:list", "Timer", 2)
                 });
 
             EnsureTopMenuWithChildren(fsql, snowflake, "/prod/houxian", "生产-后缫", "DataLine", 6,
@@ -767,21 +786,6 @@ public static class DbSeeder
         }
     }
 
-    /// <summary>车间班次菜单（挂在"基础数据"目录下）</summary>
-    private static void SeedChejianBanciMenus(IFreeSql fsql, ISnowflakeIdGenerator snowflake)
-    {
-        try
-        {
-            EnsureBaseDataMenu(fsql, snowflake, "/base/chejianbanci", "车间班次",
-                "base/chejianbanci/index", "base:chejianbanci:list", "Timer", 11);
-            Console.WriteLine("[DbSeeder] 车间班次菜单已就绪");
-        }
-        catch (Exception ex)
-        {
-            Console.WriteLine($"[DbSeeder] 车间班次菜单种子跳过：{ex}");
-        }
-    }
-
     /// <summary>
     /// 修正前缫部门的职责类型：历史数据迁移时 duty_type 统一写成了"其他"(5)，
     /// 而车间班次等模块需要按职责类型（前缫=25）筛选部门。