diff --git a/db/update21.4.sql b/db/update21.4.sql
index e2a1820f72..2c7398c880 100644
--- a/db/update21.4.sql
+++ b/db/update21.4.sql
@@ -38,6 +38,3 @@ INSERT INTO `zt_cron` (`m`, `h`, `dom`, `mon`, `dow`, `command`, `remark`, `type
 
 UPDATE `zt_workflowaction` SET `layout` = 'side' WHERE `module` = 'caselib' AND `action` = 'editCase';
 UPDATE `zt_workflowlayout` SET `position` = 'info' WHERE `module` = 'caselib' AND `action` = 'editCase';
-
-ALTER TABLE `zt_module` MODIFY COLUMN short varchar(60);
-ALTER TABLE `zt_doc` ADD `templateDesc` text NULL AFTER `templateType`;
diff --git a/db/update21.7.1.sql b/db/update21.7.1.sql
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/db/update21.7.2.sql b/db/update21.7.2.sql
new file mode 100644
index 0000000000..9ed7b4832c
--- /dev/null
+++ b/db/update21.7.2.sql
@@ -0,0 +1 @@
+ALTER TABLE `zt_doc` ADD `templateDesc` text NULL AFTER `templateType`;