diff --git a/sql/migrate_rename_warehouse_C_to_c.sql b/sql/migrate_rename_warehouse_C_to_c.sql
index c41ef77..d3a4ad7 100644
--- a/sql/migrate_rename_warehouse_C_to_c.sql
+++ b/sql/migrate_rename_warehouse_C_to_c.sql
@@ -1,34 +1,123 @@
--- 仓储表 C_* → c_*（小写前缀，对齐 t_* 命名风格）
--- 可重复执行：源表不存在或目标表已存在则跳过
+-- 仓储表 C_* → c_*（小写 c 前缀）
+-- 不依赖 DELIMITER / 存储过程，Navicat、DMS、mysql 命令行均可整段执行
+-- 可重复执行
+--
+-- 说明：
+-- 1) 若库已开启 lower_case_table_names（Windows/部分云库），建表时 C_sku 磁盘上已是 c_sku，
+--    无需 RENAME，部署新代码即可；下方「诊断」应只看到 c_*。
+-- 2) Linux 且区分大小写时，须经临时表名两步改名，否则可能报 Table 'c_sku' already exists。
+-- 3) 执行前请确认已 USE 到业务库（DATABASE() 不能为 NULL）。
 
-DROP PROCEDURE IF EXISTS sp_rename_warehouse_table_if_needed;
-DELIMITER $$
-CREATE PROCEDURE sp_rename_warehouse_table_if_needed(IN old_name VARCHAR(128), IN new_name VARCHAR(128))
-BEGIN
-  IF EXISTS (
-    SELECT 1 FROM information_schema.TABLES
-    WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = old_name
-  ) AND NOT EXISTS (
-    SELECT 1 FROM information_schema.TABLES
-    WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = new_name
-  ) THEN
-    SET @ddl := CONCAT('RENAME TABLE `', old_name, '` TO `', new_name, '`');
-    PREPARE stmt FROM @ddl;
-    EXECUTE stmt;
-    DEALLOCATE PREPARE stmt;
-  END IF;
-END$$
-DELIMITER ;
+-- ========== 诊断（先看当前表名）==========
+SELECT TABLE_NAME AS warehouse_table
+FROM information_schema.TABLES
+WHERE TABLE_SCHEMA = DATABASE()
+  AND (
+    TABLE_NAME LIKE 'C\_%' ESCAPE '\\'
+    OR TABLE_NAME LIKE 'c\_%' ESCAPE '\\'
+    OR TABLE_NAME LIKE '\_\_oms\_ren\_%' ESCAPE '\\'
+  )
+ORDER BY TABLE_NAME;
 
-CALL sp_rename_warehouse_table_if_needed('C_sku', 'c_sku');
-CALL sp_rename_warehouse_table_if_needed('C_bin_location', 'c_bin_location');
-CALL sp_rename_warehouse_table_if_needed('C_inventory', 'c_inventory');
-CALL sp_rename_warehouse_table_if_needed('C_inbound_notice', 'c_inbound_notice');
-CALL sp_rename_warehouse_table_if_needed('C_inbound_box', 'c_inbound_box');
-CALL sp_rename_warehouse_table_if_needed('C_inbound_box_line', 'c_inbound_box_line');
-CALL sp_rename_warehouse_table_if_needed('C_parcel', 'c_parcel');
-CALL sp_rename_warehouse_table_if_needed('C_parcel_arrival', 'c_parcel_arrival');
-CALL sp_rename_warehouse_table_if_needed('C_parcel_item', 'c_parcel_item');
-CALL sp_rename_warehouse_table_if_needed('C_sku_platform_map', 'c_sku_platform_map');
+-- ========== 单表改名：大写 C_ 存在 → 临时名 → c_* ==========
+-- c_sku
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_sku');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_sku` TO `__oms_ren_sku`', 'SELECT ''skip: C_sku'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_sku');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_sku` TO `c_sku`', 'SELECT ''skip: __oms_ren_sku'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
 
-DROP PROCEDURE IF EXISTS sp_rename_warehouse_table_if_needed;
+-- c_bin_location
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_bin_location');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_bin_location` TO `__oms_ren_bin_location`', 'SELECT ''skip: C_bin_location'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_bin_location');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_bin_location` TO `c_bin_location`', 'SELECT ''skip: __oms_ren_bin_location'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+
+-- c_inventory
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_inventory');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_inventory` TO `__oms_ren_inventory`', 'SELECT ''skip: C_inventory'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_inventory');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_inventory` TO `c_inventory`', 'SELECT ''skip: __oms_ren_inventory'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+
+-- c_inbound_notice
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_inbound_notice');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_inbound_notice` TO `__oms_ren_inbound_notice`', 'SELECT ''skip: C_inbound_notice'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_inbound_notice');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_inbound_notice` TO `c_inbound_notice`', 'SELECT ''skip: __oms_ren_inbound_notice'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+
+-- c_inbound_box
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_inbound_box');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_inbound_box` TO `__oms_ren_inbound_box`', 'SELECT ''skip: C_inbound_box'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_inbound_box');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_inbound_box` TO `c_inbound_box`', 'SELECT ''skip: __oms_ren_inbound_box'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+
+-- c_inbound_box_line
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_inbound_box_line');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_inbound_box_line` TO `__oms_ren_inbound_box_line`', 'SELECT ''skip: C_inbound_box_line'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_inbound_box_line');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_inbound_box_line` TO `c_inbound_box_line`', 'SELECT ''skip: __oms_ren_inbound_box_line'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+
+-- c_parcel
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_parcel');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_parcel` TO `__oms_ren_parcel`', 'SELECT ''skip: C_parcel'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_parcel');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_parcel` TO `c_parcel`', 'SELECT ''skip: __oms_ren_parcel'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+
+-- c_parcel_arrival
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_parcel_arrival');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_parcel_arrival` TO `__oms_ren_parcel_arrival`', 'SELECT ''skip: C_parcel_arrival'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_parcel_arrival');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_parcel_arrival` TO `c_parcel_arrival`', 'SELECT ''skip: __oms_ren_parcel_arrival'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+
+-- c_parcel_item
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_parcel_item');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_parcel_item` TO `__oms_ren_parcel_item`', 'SELECT ''skip: C_parcel_item'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_parcel_item');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_parcel_item` TO `c_parcel_item`', 'SELECT ''skip: __oms_ren_parcel_item'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+
+-- c_sku_platform_map
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND BINARY TABLE_NAME = 'C_sku_platform_map');
+SET @sql := IF(@need > 0, 'RENAME TABLE `C_sku_platform_map` TO `__oms_ren_sku_platform_map`', 'SELECT ''skip: C_sku_platform_map'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+SET @need := (SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '__oms_ren_sku_platform_map');
+SET @sql := IF(@need > 0, 'RENAME TABLE `__oms_ren_sku_platform_map` TO `c_sku_platform_map`', 'SELECT ''skip: __oms_ren_sku_platform_map'' AS info');
+PREPARE _s FROM @sql; EXECUTE _s; DEALLOCATE PREPARE _s;
+
+-- ========== 执行后复查 ==========
+SELECT TABLE_NAME AS warehouse_table_after
+FROM information_schema.TABLES
+WHERE TABLE_SCHEMA = DATABASE()
+  AND TABLE_NAME LIKE 'c\_%' ESCAPE '\\'
+ORDER BY TABLE_NAME;
+
+-- ========== 若上面全是 skip 且已是 c_*：无需再改，直接部署后端即可 ==========
+-- 若仍残留 C_*（区分大小写 Linux），可手工一次性执行（会失败则勿重复跑）：
+-- RENAME TABLE
+--   `C_sku` TO `__oms_ren_sku`, `C_bin_location` TO `__oms_ren_bin_location`,
+--   `C_inventory` TO `__oms_ren_inventory`, `C_inbound_notice` TO `__oms_ren_inbound_notice`,
+--   `C_inbound_box` TO `__oms_ren_inbound_box`, `C_inbound_box_line` TO `__oms_ren_inbound_box_line`,
+--   `C_parcel` TO `__oms_ren_parcel`, `C_parcel_arrival` TO `__oms_ren_parcel_arrival`,
+--   `C_parcel_item` TO `__oms_ren_parcel_item`, `C_sku_platform_map` TO `__oms_ren_sku_platform_map`;
+-- RENAME TABLE
+--   `__oms_ren_sku` TO `c_sku`, `__oms_ren_bin_location` TO `c_bin_location`,
+--   `__oms_ren_inventory` TO `c_inventory`, `__oms_ren_inbound_notice` TO `c_inbound_notice`,
+--   `__oms_ren_inbound_box` TO `c_inbound_box`, `__oms_ren_inbound_box_line` TO `c_inbound_box_line`,
+--   `__oms_ren_parcel` TO `c_parcel`, `__oms_ren_parcel_arrival` TO `c_parcel_arrival`,
+--   `__oms_ren_parcel_item` TO `c_parcel_item`, `__oms_ren_sku_platform_map` TO `c_sku_platform_map`;
diff --git a/src/Oms.Application/Services/Orders/Batch/OrderBatchJobCoordinator.cs b/src/Oms.Application/Services/Orders/Batch/OrderBatchJobCoordinator.cs
index d0f0c01..4e29a8b 100644
--- a/src/Oms.Application/Services/Orders/Batch/OrderBatchJobCoordinator.cs
+++ b/src/Oms.Application/Services/Orders/Batch/OrderBatchJobCoordinator.cs
@@ -400,6 +400,9 @@ public sealed class OrderBatchJobCoordinator(
         return await MapJobOutputAsync(job, cancellationToken);
     }
 
+    public Task<OrderBatchJob?> GetJobEntityAsync(int jobId, CancellationToken cancellationToken = default) =>
+        batchJobRepository.GetByIdAsync(jobId, cancellationToken);
+
     public async Task<List<OrderBatchJobItemOutput>> GetJobItemsAsync(int jobId, CancellationToken cancellationToken = default)
     {
         var job = await batchJobRepository.GetByIdAsync(jobId, cancellationToken);
@@ -541,39 +544,39 @@ public sealed class OrderBatchJobCoordinator(
         var runningCount = items.Count(x => x.Status == OrderBatchJobItemStatusCodes.Running);
         var cancelledCount = items.Count(x => x.Status == OrderBatchJobItemStatusCodes.Cancelled);
 
-        if (job.SuccessCount != successCount || job.FailCount != failCount)
-        {
-            job.SuccessCount = successCount;
-            job.FailCount = failCount;
-        }
-
+        // 只读聚合：查询接口不得写库，避免与 MQ 消费者并发更新 ConcurrencyStamp 冲突。
+        var status = job.Status;
+        var finishedAt = job.FinishedAt;
         if (items.Count > 0 && items.All(x =>
                 x.Status is OrderBatchJobItemStatusCodes.Success
                     or OrderBatchJobItemStatusCodes.Failed
                     or OrderBatchJobItemStatusCodes.Cancelled))
         {
-            job.Status = cancelledCount == items.Count
+            status = cancelledCount == items.Count
                 ? OrderBatchJobStatusCodes.Cancelled
                 : failCount > 0 && successCount == 0
                     ? OrderBatchJobStatusCodes.Failed
                     : OrderBatchJobStatusCodes.Completed;
-            job.FinishedAt ??= DateTime.Now;
-            await batchJobRepository.UpdateJobAsync(job, cancellationToken);
+            finishedAt ??= items
+                .Where(x => x.FinishedAt.HasValue)
+                .Select(x => x.FinishedAt)
+                .OrderByDescending(x => x)
+                .FirstOrDefault();
         }
 
         var output = new OrderBatchJobOutput
         {
             JobId = job.Id,
             Action = job.Action,
-            Status = job.Status,
+            Status = status,
             Total = job.Total,
-            SuccessCount = job.SuccessCount,
-            FailCount = job.FailCount,
+            SuccessCount = successCount,
+            FailCount = failCount,
             PendingCount = pendingCount,
             RunningCount = runningCount,
             CancelledCount = cancelledCount,
             StartedAt = job.StartedAt,
-            FinishedAt = job.FinishedAt,
+            FinishedAt = finishedAt,
             CreateTime = job.CreateTime,
         };
         ApplyImportMetadata(output, job);
diff --git a/src/Oms.Application/Services/Orders/OrderService.BatchJob.cs b/src/Oms.Application/Services/Orders/OrderService.BatchJob.cs
index e2124ad..992e100 100644
--- a/src/Oms.Application/Services/Orders/OrderService.BatchJob.cs
+++ b/src/Oms.Application/Services/Orders/OrderService.BatchJob.cs
@@ -59,7 +59,7 @@ public partial class OrderService
     [HttpGet("/order/batch/jobs/{id:int}/items")]
     public async Task<List<OrderBatchJobItemOutput>> GetBatchJobItemsAsync([FromRoute] int id)
     {
-        var job = await BatchJobCoordinator.GetJobAsync(id);
+        var job = await BatchJobCoordinator.GetJobEntityAsync(id);
         if (job == null)
         {
             throw new BusinessException("批量任务不存在");