优化通道变化消息发送以及增加设备状态丢失检测

数据库/2.7.4/初始化-mysql-2.7.4.sql

@@ -37,7 +37,6 @@ create table IF NOT EXISTS wvp_device
     position_capability                 integer,
     broadcast_push_after_ack            bool    default false,
     server_id                           character varying(50),
-    device_type                         integer default 200,
     constraint uk_device_device unique (device_id)
 );
 

数据库/2.7.4/初始化-postgresql-kingbase-2.7.4.sql

@@ -37,7 +37,6 @@ create table IF NOT EXISTS wvp_device
     position_capability                 integer,
     broadcast_push_after_ack            bool    default false,
     server_id                           character varying(50),
-    device_type                         integer,
     constraint uk_device_device unique (device_id)
 );