diff --git a/数据库/2.7.4/更新-mysql-2.7.4.sql b/数据库/2.7.4/更新-mysql-2.7.4.sql
index 526a40408..e69de29bb 100644
--- a/数据库/2.7.4/更新-mysql-2.7.4.sql
+++ b/数据库/2.7.4/更新-mysql-2.7.4.sql
@@ -1,18 +0,0 @@
-/*
-* 20250519
-*/
-DELIMITER //  -- 重定义分隔符避免分号冲突
-CREATE PROCEDURE `wvp_20250519`()
-BEGIN
-    IF NOT EXISTS (SELECT column_name FROM information_schema.columns
-                   WHERE TABLE_SCHEMA = (SELECT DATABASE()) and  table_name = 'wvp_device' and column_name = 'device_type')
-    THEN
-        ALTER TABLE wvp_device ADD device_type  integer;
-    END IF;
-END; //
-call wvp_20250519();
-DROP PROCEDURE wvp_20250519;
-DELIMITER ;
-
-
-
diff --git a/数据库/2.7.4/更新-postgresql-kingbase-2.7.4.sql b/数据库/2.7.4/更新-postgresql-kingbase-2.7.4.sql
index 37ce08893..e69de29bb 100644
--- a/数据库/2.7.4/更新-postgresql-kingbase-2.7.4.sql
+++ b/数据库/2.7.4/更新-postgresql-kingbase-2.7.4.sql
@@ -1,5 +0,0 @@
-/*
-* 20250519
-*/
- ALTER TABLE wvp_device ADD COLUMN IF NOT EXISTS device_type  integer;
-