fix mysql sqls error

sqls/dtmsvr.storage.mysql.sql

@@ -6,20 +6,20 @@ CREATE TABLE if not EXISTS dtm.trans_global (
   `id` bigint(22) NOT NULL AUTO_INCREMENT,
   `gid` varchar(128) NOT NULL COMMENT 'global transaction id',
   `trans_type` varchar(45) not null COMMENT 'transaction type: saga | xa | tcc | msg',
-  `status` varchar(12) NOT NULL COMMENT 'tranaction status: prepared | submitted | aborting | finished | rollbacked',
+  `status` varchar(12) NOT NULL COMMENT 'transaction status: prepared | submitted | aborting | finished | rollbacked',
   `query_prepared` varchar(1024) NOT NULL COMMENT 'url to check for msg|workflow',
   `protocol` varchar(45) not null comment 'protocol: http | grpc | json-rpc',
   `create_time` datetime DEFAULT NULL,
   `update_time` datetime DEFAULT NULL,
   `finish_time` datetime DEFAULT NULL,
   `rollback_time` datetime DEFAULT NULL,
-  `options` varchar(1024) DEFAULT 'options for transaction like: TimeoutToFail, RequestTimeout',
+  `options` varchar(1024) DEFAULT '' COMMENT 'options for transaction like: TimeoutToFail, RequestTimeout',
   `custom_data` varchar(1024) DEFAULT '' COMMENT 'custom data for transaction',
   `next_cron_interval` int(11) default null comment 'next cron interval. for use of cron job',
   `next_cron_time` datetime default null comment 'next time to process this trans. for use of cron job',
   `owner` varchar(128) not null default '' comment 'who is locking this trans',
-  `ext_data` TEXT comment 'result for this trans. currently used in workflow pattern',
-  `result` varchar(1024) DEFAULT '' COMMENT 'rollback reason for transaction',
+  `ext_data` TEXT comment 'extra data for this trans. currently used in workflow pattern',
+  `result` varchar(1024) DEFAULT '' COMMENT 'result for transaction',
   `rollback_reason` varchar(1024) DEFAULT '' COMMENT 'rollback reason for transaction',
   PRIMARY KEY (`id`),
   UNIQUE KEY `gid` (`gid`),