diff --git a/数据库/2.7.1/初始化-mysql-2.7.0.sql b/数据库/2.7.1/初始化-mysql-2.7.0.sql
index cf614d91..48ed8cbd 100644
--- a/数据库/2.7.1/初始化-mysql-2.7.0.sql
+++ b/数据库/2.7.1/初始化-mysql-2.7.0.sql
@@ -31,7 +31,6 @@ create table wvp_device (
                             password character varying(255),
                             as_message_channel bool default false,
                             keepalive_interval_time integer,
-                            switch_primary_sub_stream bool default false,
                             broadcast_push_after_ack bool default false,
                             constraint uk_device_device unique (device_id)
 );
diff --git a/数据库/2.7.1/初始化-postgresql-kingbase-2.7.0.sql b/数据库/2.7.1/初始化-postgresql-kingbase-2.7.0.sql
index 317e9e09..78bafe20 100644
--- a/数据库/2.7.1/初始化-postgresql-kingbase-2.7.0.sql
+++ b/数据库/2.7.1/初始化-postgresql-kingbase-2.7.0.sql
@@ -31,7 +31,6 @@ create table wvp_device (
                             password character varying(255),
                             as_message_channel bool default false,
                             keepalive_interval_time integer,
-                            switch_primary_sub_stream bool default false,
                             broadcast_push_after_ack bool default false,
                             constraint uk_device_device unique (device_id)
 );