Merge pull request #643 from XiaoQiTong/wvp-28181-2.0

修改update.sql 增加mediaServerId字段

sql/update.sql

@@ -4,5 +4,7 @@ alter table media_server
 alter table stream_proxy
     add enable_disable_none_reader bit(1) default null;
 
+alter table device
+    add mediaServerId varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT 'auto';
 alter table device
     add custom_name varchar(255) default null;