diff --git a/v260921.md b/v260921.md
index 075d290..ae5666b 100644
--- a/v260921.md
+++ b/v260921.md
@@ -9,6 +9,15 @@
 
 ### 新建的表
 
+```sql
+DROP TABLE `mis-mcp-paw-claw`.`user_resource_operate_record`
+DROP TABLE `mis-mcp-paw-claw`.`resource_operate_count`;
+DROP TABLE `mis-mcp-paw-claw`.`user_resource_comment`;
+DROP TABLE `mis-cloud-claw`.`client_software`;
+DROP TABLE `mis-cloud-claw`.`client_software_canary_settings`;
+DROP TABLE  `mis-paw-claw`.`work_sheet`;
+```
+
 ```sql
 CREATE TABLE `mis-mcp-paw-claw`.`resource_operate_count` (
   `id`                       BIGINT        NOT NULL AUTO_INCREMENT COMMENT 'id',
@@ -124,6 +133,8 @@ ADD COLUMN `available` VARCHAR(8) DEFAULT 'yes' COMMENT '是否可用（yes=启
 
 ALTER TABLE `mis-paw-claw`.`agent_skill_mapping`
     ADD COLUMN `skill_id` BIGINT NULL COMMENT '技能ID（调试版）' AFTER `agent_id`;
+
+ALTER TABLE `mis-paw-claw`.`agent_skill_mapping` MODIFY `skill_release_id` BIGINT NULL COMMENT 'tool-server skill_release 主键（正式版）';
 ```
 
 ### 数据初始化