update mysql

database/update.sql

@@ -251,7 +251,7 @@ CHANGE `quarter_price` `quarter_price` int(11) NULL AFTER `month_price`,
 CHANGE `half_year_price` `half_year_price` int(11) NULL AFTER `quarter_price`,
 CHANGE `year_price` `year_price` int(11) NULL AFTER `half_year_price`;
 
-ALTER TABLE v2_server_log
+ALTER TABLE `v2_server_log`
 ADD INDEX log_at (`log_at`);
 
 ALTER TABLE `v2_user`