diff --git a/db/prod/2024-3-18-变更.sql b/db/prod/2024-3-18-变更.sql
index ccf6a4a6..6667ccdb 100644
--- a/db/prod/2024-3-18-变更.sql
+++ b/db/prod/2024-3-18-变更.sql
@@ -139,4 +139,8 @@ INSERT INTO `laws-sinotruk-demo`.`sys_sms_template` (`id`, `template_name`, `tem
 -- 2024-05-09 制修订流程字段长度
 ALTER TABLE `process_es_revision`
     MODIFY COLUMN `meeting_users` longtext NULL COMMENT '参会人员' AFTER `review_date`,
-    MODIFY COLUMN `auth_dept` longtext NULL COMMENT '授权部门' AFTER `related_leader`;
\ No newline at end of file
+    MODIFY COLUMN `auth_dept` longtext NULL COMMENT '授权部门' AFTER `related_leader`;
+
+-- 2024-05-22 加长动态消息标题长度
+ALTER TABLE `laws_news_feed`
+    MODIFY COLUMN `dynamic_heading` varchar(500) NULL DEFAULT NULL COMMENT '动态标题' AFTER `del_flag`;
\ No newline at end of file