diff --git a/RuoYi-Vue/ruoyi-admin/src/test/java/com/ruoyi/web/controller/train/DmsAccessSafetyPackageAMigrationContractTest.java b/RuoYi-Vue/ruoyi-admin/src/test/java/com/ruoyi/web/controller/train/DmsAccessSafetyPackageAMigrationContractTest.java
index f49233c81..a0734cdb8 100644
--- a/RuoYi-Vue/ruoyi-admin/src/test/java/com/ruoyi/web/controller/train/DmsAccessSafetyPackageAMigrationContractTest.java
+++ b/RuoYi-Vue/ruoyi-admin/src/test/java/com/ruoyi/web/controller/train/DmsAccessSafetyPackageAMigrationContractTest.java
@@ -1,6 +1,7 @@
 package com.ruoyi.web.controller.train;
 
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
 import java.nio.charset.StandardCharsets;
@@ -44,6 +45,42 @@ public class DmsAccessSafetyPackageAMigrationContractTest
         assertFalse("must not contain remote unlock", sql.contains("remoteunlock") || sql.contains("remote-unlock"));
     }
 
+    @Test
+    public void migration015PreservesAccommodationEditForTrainAdmin() throws Exception
+    {
+        Path migration015Path = null;
+        for (Path path = Paths.get("").toAbsolutePath(); path != null; path = path.getParent())
+        {
+            Path candidate = path.resolve("sql/system/kingbase/015_dms_package_a_hardening.sql");
+            if (Files.isRegularFile(candidate)) {
+                migration015Path = candidate;
+                break;
+            }
+        }
+        if (migration015Path == null) {
+            for (Path path = Paths.get("").toAbsolutePath(); path != null; path = path.getParent())
+            {
+                Path candidate = path.resolve("RuoYi-Vue/sql/system/kingbase/015_dms_package_a_hardening.sql");
+                if (Files.isRegularFile(candidate)) {
+                    migration015Path = candidate;
+                    break;
+                }
+            }
+        }
+        assertNotNull("015_dms_package_a_hardening.sql migration not found", migration015Path);
+        String sql = new String(Files.readAllBytes(migration015Path), StandardCharsets.UTF_8).toLowerCase();
+
+        // 必须确保授予或保留 2263 (train:accommodation:edit)
+        assertContains(sql, "select 3, 2263");
+        // 绝不得包含对 2263 的 delete 语句
+        assertFalse("015 严禁删除 train_admin 的 2263 权限",
+                java.util.regex.Pattern.compile("delete\\s+from\\s+public\\.sys_role_menu[^;]*?menu_id\\s*=\\s*2263").matcher(sql).find());
+        // 必须断言 role 3 拥有 2263
+        assertContains(sql, "where role_id = 3 and menu_id = 2263) <> 1");
+        // 必须断言 role 3 严禁拥有 train:accommodation:remove
+        assertContains(sql, "perms = 'train:accommodation:remove') <> 0");
+    }
+
     private Path findMigration()
     {
         for (Path path = Paths.get("").toAbsolutePath(); path != null; path = path.getParent())
diff --git a/RuoYi-Vue/sql/system/kingbase/015_dms_package_a_hardening.sql b/RuoYi-Vue/sql/system/kingbase/015_dms_package_a_hardening.sql
index 1c7f8ed68..9573dde8e 100644
--- a/RuoYi-Vue/sql/system/kingbase/015_dms_package_a_hardening.sql
+++ b/RuoYi-Vue/sql/system/kingbase/015_dms_package_a_hardening.sql
@@ -1,7 +1,7 @@
 -- ============================================================================
 -- Migration: 015_dms_package_a_hardening.sql
 -- Description: Package A.1 DMS 一致性加固与最小权限拆分
--- 1. 权限最小化拆分：新增 2194 (train:access:credential)，从 train_admin 移除 2192 (train:access:manage) 与 2263 (train:accommodation:remove)
+-- 1. 权限最小化拆分：新增 2194 (train:access:credential)，从 train_admin 移除 2192 (train:access:manage) 并保证保留 2263 (train:accommodation:edit)
 -- 2. 外部操作状态加固：确保 train_external_operation 支持 DISPATCHING 与 AMBIGUOUS
 -- 3. 幂等与断言校验
 -- ============================================================================
@@ -33,9 +33,10 @@ WHERE NOT EXISTS (SELECT 1 FROM public.sys_role_menu WHERE role_id = 3 AND menu_
 DELETE FROM public.sys_role_menu
 WHERE role_id = 3 AND menu_id = 2192;
 
--- 从 train_admin (role_id = 3) 回收 2263 (train:accommodation:remove，物理删除住宿历史权限)
-DELETE FROM public.sys_role_menu
-WHERE role_id = 3 AND menu_id = 2263;
+-- 确保培训管理员 (role_id = 3) 拥有 2263 (train:accommodation:edit，办理入住/退宿/调房)
+INSERT INTO public.sys_role_menu (role_id, menu_id)
+SELECT 3, 2263
+WHERE NOT EXISTS (SELECT 1 FROM public.sys_role_menu WHERE role_id = 3 AND menu_id = 2263);
 
 
 
@@ -64,9 +65,16 @@ BEGIN
         RAISE EXCEPTION 'Assertion failed: role 3 still has menu 2192 (train:access:manage)';
     END IF;
 
-    -- 断言 4: train_admin (role_id = 3) 不得拥有 2263 (train:accommodation:remove)
-    IF (SELECT count(*) FROM public.sys_role_menu WHERE role_id = 3 AND menu_id = 2263) <> 0 THEN
-        RAISE EXCEPTION 'Assertion failed: role 3 has forbidden menu 2263 (train:accommodation:remove)';
+    -- 断言 4: train_admin (role_id = 3) 必须拥有 2263 (train:accommodation:edit，办理入住/退宿/调房)
+    IF (SELECT count(*) FROM public.sys_role_menu WHERE role_id = 3 AND menu_id = 2263) <> 1 THEN
+        RAISE EXCEPTION 'Assertion failed: role 3 missing menu 2263 (train:accommodation:edit)';
+    END IF;
+
+    -- 断言 4b: train_admin (role_id = 3) 严禁拥有破坏性删除权限 train:accommodation:remove
+    IF (SELECT count(*) FROM public.sys_role_menu rm
+        JOIN public.sys_menu m ON m.menu_id = rm.menu_id
+        WHERE rm.role_id = 3 AND m.perms = 'train:accommodation:remove') <> 0 THEN
+        RAISE EXCEPTION 'Security violation: role 3 has forbidden permission train:accommodation:remove';
     END IF;
 
     -- 断言 5: train_admin 拥有 2264 (train:accommodation:add)