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Date: Thu, 15 Jun 2023 11:04:04 +0800
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---
 sql/2.6.6-2.6.7更新.sql | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sql/2.6.6-2.6.7更新.sql b/sql/2.6.6-2.6.7更新.sql
index 09732b30..285d5734 100755
--- a/sql/2.6.6-2.6.7更新.sql
+++ b/sql/2.6.6-2.6.7更新.sql
@@ -7,6 +7,7 @@ alter table parent_platform
 alter table device
     add mediaServerId varchar(50) default null;
 
-
+ALTER TABLE device
+    ADD COLUMN `switchPrimarySubStream` bit(1) NOT NULL DEFAULT b'0' COMMENT '开启主子码流切换的开关（0-不开启，1-开启）现在已知支持设备为 大华、TP——LINK全系设备' AFTER `keepalive_interval_time`