diff --git a/broker/migrate/mysql/V36__add_group_member_count_history_message.sql b/broker/migrate/mysql/V36__add_group_member_count_history_message.sql
index 948c5f9a..c240293a 100755
--- a/broker/migrate/mysql/V36__add_group_member_count_history_message.sql
+++ b/broker/migrate/mysql/V36__add_group_member_count_history_message.sql
@@ -1,2 +1,2 @@
 alter table `t_group` add column `_history_message` tinyint NOT NULL DEFAULT 0, COMMENT "new group member can load group history messages";
-alter table `t_group` add column `_max_member_count` int(11) NOT NULL DEFAULT 2000, COMMENT "max group member count",
+alter table `t_group` add column `_max_member_count` int(11) NOT NULL DEFAULT 2000, COMMENT "max group member count";