diff --git a/sql/更新-mysql-2.6.9.sql b/sql/更新-mysql-2.6.9.sql
index cd00e265..00de8b2c 100644
--- a/sql/更新-mysql-2.6.9.sql
+++ b/sql/更新-mysql-2.6.9.sql
@@ -205,9 +205,6 @@ alter table log
 alter table media_server
     change hookIp hook_ip varchar(50) not null;
 
-alter table media_server
-    add send_rtp_port_range varchar(50) not null;
-
 alter table media_server
     add column send_rtp_port_range varchar(50) default null;
 
diff --git a/sql/更新-postgresql-kingbase-2.6.9.sql b/sql/更新-postgresql-kingbase-2.6.9.sql
index 33f95e69..550d9b2b 100644
--- a/sql/更新-postgresql-kingbase-2.6.9.sql
+++ b/sql/更新-postgresql-kingbase-2.6.9.sql
@@ -205,9 +205,6 @@ alter table log
 alter table media_server
     change hookIp hook_ip varchar(50) not null;
 
-alter table media_server
-    add send_rtp_port_range varchar(50) not null;
-
 alter table media_server
     add column send_rtp_port_range varchar(50) default null;