diff --git a/scripts/sql/migrate_track_pull_config_order_type.sql b/scripts/sql/migrate_track_pull_config_order_type.sql
index 3de31cf3..a7894259 100644
--- a/scripts/sql/migrate_track_pull_config_order_type.sql
+++ b/scripts/sql/migrate_track_pull_config_order_type.sql
@@ -1,18 +1,6 @@
 -- 轨迹拉取配置增加订单类型（小包/大包/主单），用于同一应用+服务商下按订单类型区分配置
 -- 库：TrackCenter（t_track_pull_config）
+-- MySQL；若 OrderType 列已存在可跳过
 
-IF COL_LENGTH('dbo.t_track_pull_config', 'OrderType') IS NULL
-BEGIN
-    ALTER TABLE dbo.t_track_pull_config
-        ADD OrderType INT NOT NULL
-            CONSTRAINT DF_t_track_pull_config_OrderType DEFAULT (1);
-
-    -- 历史数据默认小包(1)；如需调整请人工核对后更新
-    EXEC sp_addextendedproperty
-        @name = N'MS_Description',
-        @value = N'订单类型（TrackOrderType：1小包 2大包 4主单）',
-        @level0type = N'SCHEMA', @level0name = N'dbo',
-        @level1type = N'TABLE',  @level1name = N't_track_pull_config',
-        @level2type = N'COLUMN', @level2name = N'OrderType';
-END
-GO
+ALTER TABLE t_track_pull_config
+    ADD COLUMN OrderType INT NOT NULL DEFAULT 1 COMMENT '订单类型（TrackOrderType：1小包 2大包 4主单）' AFTER ServiceProviderCode;