diff --git a/src/main/resources/schemas/schema_v2.4.sql b/src/main/resources/schemas/schema_v2.4.sql
index 2bc4ee8a..82a0c982 100644
--- a/src/main/resources/schemas/schema_v2.4.sql
+++ b/src/main/resources/schemas/schema_v2.4.sql
@@ -1272,3 +1272,5 @@ CALL Pro_Temp_ColumnWork('basic_corp', 'adSickNum',
 
 INSERT ignore INTO `sys_scheduled`(`id`, `cronName`, `cron`, `customerId`, `remark`) VALUES (400, 'aliRelCodeDetailTask', '0 0/30 * * * ?', NULL, '阿里关联关系轮询定时');
 
+ALTER TABLE rel_code_batch
+    MODIFY COLUMN `batchNo` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci DEFAULT NULL COMMENT '批次号';