diff --git a/dtmsvr/dtmsvr.mysql.sql b/dtmsvr/dtmsvr.mysql.sql
index 93b6614..eacb365 100644
--- a/dtmsvr/dtmsvr.mysql.sql
+++ b/dtmsvr/dtmsvr.mysql.sql
@@ -1,12 +1,13 @@
-CREATE DATABASE IF NOT EXISTS dtm /*!40100 DEFAULT CHARACTER SET utf8mb4 */;
-
+CREATE DATABASE IF NOT EXISTS dtm
+/*!40100 DEFAULT CHARACTER SET utf8mb4 */
+;
 drop table IF EXISTS dtm.trans_global;
 CREATE TABLE if not EXISTS dtm.trans_global (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `gid` varchar(128) NOT NULL COMMENT '事务全局id',
   `trans_type` varchar(45) not null COMMENT '事务类型: saga | xa | tcc | msg',
   -- `data` TEXT COMMENT '事务携带的数据', -- 影响性能，不必要存储
-  `status` varchar(45) NOT NULL COMMENT '全局事务的状态 prepared | submitted | finished | rollbacked',
+  `status` varchar(12) NOT NULL COMMENT '全局事务的状态 prepared | submitted | aborting | finished | rollbacked',
   `query_prepared` varchar(128) NOT NULL COMMENT 'prepared状态事务的查询api',
   `protocol` varchar(45) not null comment '通信协议 http | grpc',
   `create_time` datetime DEFAULT NULL,
@@ -22,9 +23,8 @@ CREATE TABLE if not EXISTS dtm.trans_global (
   key `owner`(`owner`),
   KEY `create_time` (`create_time`),
   KEY `update_time` (`update_time`),
-  key `next_cron_time` (`next_cron_time`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
+  key `status_next_cron_time` (`status`, `next_cron_time`) commit '这个索引用于查询超时的全局事务，能够合理的走索引'
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
 drop table IF EXISTS dtm.trans_branch;
 CREATE TABLE IF NOT EXISTS dtm.trans_branch (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -39,11 +39,10 @@ CREATE TABLE IF NOT EXISTS dtm.trans_branch (
   `create_time` datetime DEFAULT NULL,
   `update_time` datetime DEFAULT NULL,
   PRIMARY KEY (`id`),
-  UNIQUE KEY `gid_uniq` (`gid`,`branch_id`, `branch_type`),
+  UNIQUE KEY `gid_uniq` (`gid`, `branch_id`, `branch_type`),
   KEY `create_time` (`create_time`),
   KEY `update_time` (`update_time`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
 drop table IF EXISTS dtm.trans_log;
 CREATE TABLE IF NOT EXISTS dtm.trans_log (
   `id` int(11) NOT NULL AUTO_INCREMENT,
@@ -57,5 +56,4 @@ CREATE TABLE IF NOT EXISTS dtm.trans_log (
   PRIMARY KEY (`id`),
   KEY `gid` (`gid`),
   KEY `create_time` (`create_time`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
\ No newline at end of file
diff --git a/dtmsvr/dtmsvr.postgres.sql b/dtmsvr/dtmsvr.postgres.sql
index ccb4164..6bc598a 100644
--- a/dtmsvr/dtmsvr.postgres.sql
+++ b/dtmsvr/dtmsvr.postgres.sql
@@ -1,72 +1,64 @@
-CREATE SCHEMA if not EXISTS dtm /* SQLINES DEMO *** RACTER SET utf8mb4 */;
-
+CREATE SCHEMA if not EXISTS dtm
+/* SQLINES DEMO *** RACTER SET utf8mb4 */
+;
 drop table IF EXISTS dtm.trans_global;
 -- SQLINES LICENSE FOR EVALUATION USE ONLY
 CREATE SEQUENCE if not EXISTS dtm.trans_global_seq;
-
 CREATE TABLE if not EXISTS dtm.trans_global (
   id int NOT NULL DEFAULT NEXTVAL ('dtm.trans_global_seq'),
-  gid varchar(128) NOT NULL ,
-  trans_type varchar(45) not null ,
-  status varchar(45) NOT NULL ,
-  query_prepared varchar(128) NOT NULL ,
+  gid varchar(128) NOT NULL,
+  trans_type varchar(45) not null,
+  status varchar(45) NOT NULL,
+  query_prepared varchar(128) NOT NULL,
   protocol varchar(45) not null,
   create_time timestamp(0) DEFAULT NULL,
   update_time timestamp(0) DEFAULT NULL,
   commit_time timestamp(0) DEFAULT NULL,
   finish_time timestamp(0) DEFAULT NULL,
   rollback_time timestamp(0) DEFAULT NULL,
-  next_cron_interval int default null ,
-  next_cron_time timestamp(0) default null ,
-  owner varchar(128) not null default '' ,
+  next_cron_interval int default null,
+  next_cron_time timestamp(0) default null,
+  owner varchar(128) not null default '',
   PRIMARY KEY (id),
-  CONSTRAINT gid UNIQUE  (gid)
-) ;
-
+  CONSTRAINT gid UNIQUE (gid)
+);
 create index if not EXISTS owner on dtm.trans_global(owner);
 CREATE INDEX if not EXISTS create_time ON dtm.trans_global (create_time);
 CREATE INDEX if not EXISTS update_time ON dtm.trans_global (update_time);
-create index if not EXISTS next_cron_time on dtm.trans_global (next_cron_time);
-
+create index if not EXISTS status_next_cron_time on dtm.trans_global (status, next_cron_time);
 drop table IF EXISTS dtm.trans_branch;
 -- SQLINES LICENSE FOR EVALUATION USE ONLY
 CREATE SEQUENCE if not EXISTS dtm.trans_branch_seq;
-
 CREATE TABLE IF NOT EXISTS dtm.trans_branch (
   id int NOT NULL DEFAULT NEXTVAL ('dtm.trans_branch_seq'),
-  gid varchar(128) NOT NULL ,
-  url varchar(128) NOT NULL ,
-  data TEXT ,
-  branch_id VARCHAR(128) NOT NULL ,
-  branch_type varchar(45) NOT NULL ,
-  status varchar(45) NOT NULL ,
+  gid varchar(128) NOT NULL,
+  url varchar(128) NOT NULL,
+  data TEXT,
+  branch_id VARCHAR(128) NOT NULL,
+  branch_type varchar(45) NOT NULL,
+  status varchar(45) NOT NULL,
   finish_time timestamp(0) DEFAULT NULL,
   rollback_time timestamp(0) DEFAULT NULL,
   create_time timestamp(0) DEFAULT NULL,
   update_time timestamp(0) DEFAULT NULL,
   PRIMARY KEY (id),
-  CONSTRAINT gid_uniq UNIQUE  (gid,branch_id, branch_type)
-) ;
-
+  CONSTRAINT gid_uniq UNIQUE (gid, branch_id, branch_type)
+);
 CREATE INDEX if not EXISTS create_time ON dtm.trans_branch (create_time);
 CREATE INDEX if not EXISTS update_time ON dtm.trans_branch (update_time);
-
 drop table IF EXISTS dtm.trans_log;
 -- SQLINES LICENSE FOR EVALUATION USE ONLY
 CREATE SEQUENCE if not EXISTS dtm.trans_log_seq;
-
 CREATE TABLE IF NOT EXISTS dtm.trans_log (
   id int NOT NULL DEFAULT NEXTVAL ('dtm.trans_log_seq'),
-  gid varchar(128) NOT NULL ,
-  branch_id varchar(128) DEFAULT NULL ,
-  action varchar(45) DEFAULT NULL ,
-  old_status varchar(45) NOT NULL DEFAULT '' ,
-  new_status varchar(45) NOT NULL ,
-  detail TEXT NOT NULL ,
+  gid varchar(128) NOT NULL,
+  branch_id varchar(128) DEFAULT NULL,
+  action varchar(45) DEFAULT NULL,
+  old_status varchar(45) NOT NULL DEFAULT '',
+  new_status varchar(45) NOT NULL,
+  detail TEXT NOT NULL,
   create_time timestamp(0) DEFAULT CURRENT_TIMESTAMP,
   PRIMARY KEY (id)
-) ;
-
+);
 CREATE INDEX if not EXISTS gid ON dtm.trans_log (gid);
-CREATE INDEX if not EXISTS create_time ON dtm.trans_log (create_time);
-
+CREATE INDEX if not EXISTS create_time ON dtm.trans_log (create_time);
\ No newline at end of file