diff --git a/common/types.go b/common/types.go
index de04394..90573d4 100644
--- a/common/types.go
+++ b/common/types.go
@@ -10,9 +10,11 @@ import (
 	"sync"
 	"time"
 
-	_ "github.com/go-sql-driver/mysql"
+	_ "github.com/go-sql-driver/mysql" // register mysql driver
+	_ "github.com/lib/pq"              // register postgres driver
 	"gopkg.in/yaml.v2"
 	"gorm.io/driver/mysql"
+	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 
 	"github.com/yedf/dtm/dtmcli"
@@ -26,10 +28,11 @@ type ModelBase struct {
 }
 
 func getGormDialetor(driver string, dsn string) gorm.Dialector {
-	if driver == "mysql" {
-		return mysql.Open(dsn)
+	if driver == dtmcli.DriverPostgres {
+		return postgres.Open(dsn)
 	}
-	panic(fmt.Errorf("unkown driver: %s", driver))
+	dtmcli.PanicIf(driver != dtmcli.DriverMysql, fmt.Errorf("unkown driver: %s", driver))
+	return mysql.Open(dsn)
 }
 
 var dbs sync.Map
diff --git a/common/types_test.go b/common/types_test.go
index 8ab7303..20ccc38 100644
--- a/common/types_test.go
+++ b/common/types_test.go
@@ -24,6 +24,8 @@ func TestDbAlone(t *testing.T) {
 	assert.Nil(t, err)
 	_, err = dtmcli.DBExec(db, "select 1")
 	assert.Equal(t, nil, err)
+	_, err = dtmcli.DBExec(db, "")
+	assert.Equal(t, nil, err)
 	db.Close()
 	_, err = dtmcli.DBExec(db, "select 1")
 	assert.NotEqual(t, nil, err)
diff --git a/dtmcli/barrier.go b/dtmcli/barrier.go
index 4749256..64d76ec 100644
--- a/dtmcli/barrier.go
+++ b/dtmcli/barrier.go
@@ -44,7 +44,11 @@ func insertBarrier(tx Tx, transType string, gid string, branchID string, branchT
 	if branchType == "" {
 		return 0, nil
 	}
-	return DBExec(tx, "insert ignore into dtm_barrier.barrier(trans_type, gid, branch_id, branch_type, barrier_id, reason) values(?,?,?,?,?,?)", transType, gid, branchID, branchType, barrierID, reason)
+	sql := map[string]string{
+		"mysql":    "insert ignore into dtm_barrier.barrier(trans_type, gid, branch_id, branch_type, barrier_id, reason) values(?,?,?,?,?,?)",
+		"postgres": "insert into dtm_barrier.barrier(trans_type, gid, branch_id, branch_type, barrier_id, reason) values(?,?,?,?,?,?) on conflict ON CONSTRAINT uniq_barrier do nothing",
+	}[DBDriver]
+	return DBExec(tx, sql, transType, gid, branchID, branchType, barrierID, reason)
 }
 
 // Call 子事务屏障，详细介绍见 https://zhuanlan.zhihu.com/p/388444465
diff --git a/dtmcli/barrier.postgres.sql b/dtmcli/barrier.postgres.sql
new file mode 100644
index 0000000..dc3d069
--- /dev/null
+++ b/dtmcli/barrier.postgres.sql
@@ -0,0 +1,20 @@
+create schema if not exists dtm_barrier;
+
+drop table if exists dtm_barrier.barrier;
+
+CREATE SEQUENCE if not EXISTS dtm_barrier.barrier_seq;
+
+create table if not exists dtm_barrier.barrier(
+  id int NOT NULL DEFAULT NEXTVAL ('dtm_barrier.barrier_seq'),
+  trans_type varchar(45) default '' ,
+  gid varchar(128) default'',
+  branch_id varchar(128) default '',
+  branch_type varchar(45) default '',
+  barrier_id varchar(45) default '',
+  reason varchar(45) default '',
+  create_time timestamp(0) DEFAULT NULL,
+  update_time timestamp(0) DEFAULT NULL,
+  PRIMARY KEY(id),
+  CONSTRAINT uniq_barrier unique(gid, branch_id, branch_type, barrier_id)
+);
+
diff --git a/dtmcli/utils.go b/dtmcli/utils.go
index f29d82e..aa5761f 100644
--- a/dtmcli/utils.go
+++ b/dtmcli/utils.go
@@ -8,6 +8,7 @@ import (
 	"os"
 	"path"
 	"runtime"
+	"runtime/debug"
 	"strconv"
 	"strings"
 	"sync"
@@ -135,6 +136,7 @@ var FatalExitFunc = func() { os.Exit(1) }
 
 // LogFatalf 采用红色打印错误类信息， 并退出
 func LogFatalf(fmt string, args ...interface{}) {
+	fmt += "\n" + string(debug.Stack())
 	Logf("\x1b[31m\n"+fmt+"\x1b[0m\n", args...)
 	FatalExitFunc()
 }
@@ -210,7 +212,10 @@ func StandaloneDB(conf map[string]string) (*sql.DB, error) {
 
 // DBExec use raw db to exec
 func DBExec(db DB, sql string, values ...interface{}) (affected int64, rerr error) {
-	sql = makeSqlCompatible(sql)
+	if sql == "" {
+		return 0, nil
+	}
+	sql = makeSQLCompatible(sql)
 	r, rerr := db.Exec(sql, values...)
 	if rerr == nil {
 		affected, rerr = r.RowsAffected()
@@ -223,7 +228,7 @@ func DBExec(db DB, sql string, values ...interface{}) (affected int64, rerr erro
 
 // DBQueryRow use raw tx to query row
 func DBQueryRow(db DB, query string, args ...interface{}) *sql.Row {
-	query = makeSqlCompatible(query)
+	query = makeSQLCompatible(query)
 	Logf("querying: "+query, args...)
 	return db.QueryRow(query, args...)
 }
@@ -271,10 +276,8 @@ func CheckResult(res interface{}, err error) error {
 	return err
 }
 
-func makeSqlCompatible(sql string) string {
-	if DBDriver == DriverMysql {
-		return sql
-	} else if DBDriver == DriverPostgres {
+func makeSQLCompatible(sql string) string {
+	if DBDriver == DriverPostgres {
 		pos := 1
 		parts := []string{}
 		b := 0
@@ -286,7 +289,23 @@ func makeSqlCompatible(sql string) string {
 				pos++
 			}
 		}
+		parts = append(parts, sql[b:])
 		return strings.Join(parts, "")
 	}
-	panic(fmt.Sprintf("unknown driver %s", DBDriver))
+	PanicIf(DBDriver != DriverMysql, fmt.Errorf("unkown db driver: %s", DBDriver))
+	return sql
+}
+
+func getXaSQL(action string, xid string) string {
+	if DBDriver == DriverPostgres {
+		return map[string]string{
+			"end":      "",
+			"start":    "begin",
+			"prepare":  fmt.Sprintf("prepare transaction '%s'", xid),
+			"commit":   fmt.Sprintf("commit prepared '%s'", xid),
+			"rollback": fmt.Sprintf("rollback prepared '%s'", xid),
+		}[action]
+	}
+	PanicIf(DBDriver != DriverMysql, fmt.Errorf("unkown db driver: %s", DBDriver))
+	return fmt.Sprintf("xa %s '%s'", action, xid)
 }
diff --git a/dtmcli/utils_test.go b/dtmcli/utils_test.go
index b7c9554..364283e 100644
--- a/dtmcli/utils_test.go
+++ b/dtmcli/utils_test.go
@@ -90,11 +90,13 @@ func TestFatal(t *testing.T) {
 	assert.Error(t, err, fmt.Errorf("fatal"))
 }
 
-func TestMakeSqlCompatible(t *testing.T) {
+func TestCompatible(t *testing.T) {
 	old := DBDriver
 	DBDriver = DriverMysql
-	assert.Equal(t, "? ?", makeSqlCompatible("? ?"))
+	assert.Equal(t, "? ?", makeSQLCompatible("? ?"))
+	assert.Equal(t, "xa start 'xa1'", getXaSQL("start", "xa1"))
 	DBDriver = DriverPostgres
-	assert.Equal(t, "$1 $2", makeSqlCompatible("? ?"))
+	assert.Equal(t, "$1 $2", makeSQLCompatible("? ?"))
+	assert.Equal(t, "begin", getXaSQL("start", "xa1"))
 	DBDriver = old
 }
diff --git a/dtmcli/xa_base.go b/dtmcli/xa_base.go
index 1b1367d..e1e31f8 100644
--- a/dtmcli/xa_base.go
+++ b/dtmcli/xa_base.go
@@ -2,7 +2,6 @@ package dtmcli
 
 import (
 	"database/sql"
-	"fmt"
 	"strings"
 )
 
@@ -21,8 +20,9 @@ func (xc *XaClientBase) HandleCallback(gid string, branchID string, action strin
 	}
 	defer db.Close()
 	xaID := gid + "-" + branchID
-	_, err = DBExec(db, fmt.Sprintf("xa %s '%s'", action, xaID))
-	if err != nil && strings.Contains(err.Error(), "Error 1397: XAER_NOTA") { // 重复commit/rollback同一个id，报这个错误，忽略
+	_, err = DBExec(db, getXaSQL(action, xaID))
+	if err != nil &&
+		(strings.Contains(err.Error(), "Error 1397: XAER_NOTA") || strings.Contains(err.Error(), "does not exist")) { // 重复commit/rollback同一个id，报这个错误，忽略
 		err = nil
 	}
 	return err
@@ -39,9 +39,9 @@ func (xc *XaClientBase) HandleLocalTrans(xa *TransBase, cb func(*sql.DB) (interf
 	defer func() { db.Close() }()
 	defer func() {
 		x := recover()
-		_, err := DBExec(db, fmt.Sprintf("XA end '%s'", xaBranch))
+		_, err := DBExec(db, getXaSQL("end", xaBranch))
 		if x == nil && rerr == nil && err == nil {
-			_, err = DBExec(db, fmt.Sprintf("XA prepare '%s'", xaBranch))
+			_, err = DBExec(db, getXaSQL("prepare", xaBranch))
 		}
 		if rerr == nil {
 			rerr = err
@@ -50,7 +50,7 @@ func (xc *XaClientBase) HandleLocalTrans(xa *TransBase, cb func(*sql.DB) (interf
 			panic(x)
 		}
 	}()
-	_, rerr = DBExec(db, fmt.Sprintf("XA start '%s'", xaBranch))
+	_, rerr = DBExec(db, getXaSQL("start", xaBranch))
 	if rerr != nil {
 		return
 	}
diff --git a/dtmsvr/cron.go b/dtmsvr/cron.go
index 739f04d..f301754 100644
--- a/dtmsvr/cron.go
+++ b/dtmsvr/cron.go
@@ -41,11 +41,18 @@ func lockOneTrans(expireIn time.Duration) *TransGlobal {
 	trans := TransGlobal{}
 	owner := GenGid()
 	db := dbGet()
+	getTime := func(second int) string {
+		return fmt.Sprintf(map[string]string{
+			"mysql":    "date_add(now(), interval %d second)",
+			"postgres": "current_timestamp + interval '%d second'",
+		}[dtmcli.DBDriver], second)
+	}
+	expire := int(expireIn / time.Second)
+	whereTime := fmt.Sprintf("next_cron_time < %s and next_cron_time > %s and update_time < %s", getTime(expire), getTime(-3600), getTime(expire-3))
 	// 这里next_cron_time需要限定范围，否则数据量累计之后，会导致查询变慢
 	// 限定update_time < now - 3，否则会出现刚被这个应用取出，又被另一个取出
 	dbr := db.Must().Model(&trans).
-		Where("next_cron_time < date_add(now(), interval ? second) and next_cron_time > date_add(now(), interval -3600 second) and update_time < date_add(now(), interval ? second) and status in ('prepared', 'aborting', 'submitted')", int(expireIn/time.Second), -3+int(expireIn/time.Second)).
-		Limit(1).Update("owner", owner)
+		Where(whereTime+"and status in ('prepared', 'aborting', 'submitted')").Limit(1).Update("owner", owner)
 	if dbr.RowsAffected == 0 {
 		return nil
 	}
diff --git a/dtmsvr/dtmsvr.go b/dtmsvr/dtmsvr.go
index f05fe6e..216bb3a 100644
--- a/dtmsvr/dtmsvr.go
+++ b/dtmsvr/dtmsvr.go
@@ -77,7 +77,8 @@ func updateBranchAsync() {
 		}
 		for len(updates) > 0 {
 			dbr := dbGet().Clauses(clause.OnConflict{
-				DoUpdates: clause.AssignmentColumns([]string{"status", "finish_time"}),
+				OnConstraint: "trans_branch_pkey",
+				DoUpdates:    clause.AssignmentColumns([]string{"status", "finish_time"}),
 			}).Create(updates)
 			dtmcli.Logf("flushed %d branch status to db. affected: %d", len(updates), dbr.RowsAffected)
 			if dbr.Error != nil {
diff --git a/dtmsvr/dtmsvr.postgres.sql b/dtmsvr/dtmsvr.postgres.sql
new file mode 100644
index 0000000..ccb4164
--- /dev/null
+++ b/dtmsvr/dtmsvr.postgres.sql
@@ -0,0 +1,72 @@
+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 ,
+  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 '' ,
+  PRIMARY KEY (id),
+  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);
+
+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 ,
+  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)
+) ;
+
+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 ,
+  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);
+
diff --git a/examples/base_http.go b/examples/base_http.go
index 3e50017..68e14cc 100644
--- a/examples/base_http.go
+++ b/examples/base_http.go
@@ -9,6 +9,7 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"gorm.io/driver/mysql"
+	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 )
 
@@ -129,9 +130,13 @@ func BaseAddRoute(app *gin.Engine) {
 			if reqFrom(c).TransOutResult == dtmcli.ResultFailure {
 				return dtmcli.MapFailure, nil
 			}
-			gdb, err := gorm.Open(mysql.New(mysql.Config{
-				Conn: db,
-			}), &gorm.Config{})
+			var dia gorm.Dialector = nil
+			if dtmcli.DBDriver == dtmcli.DriverMysql {
+				dia = mysql.New(mysql.Config{Conn: db})
+			} else if dtmcli.DBDriver == dtmcli.DriverPostgres {
+				dia = postgres.New(postgres.Config{Conn: db})
+			}
+			gdb, err := gorm.Open(dia, &gorm.Config{})
 			if err != nil {
 				return nil, err
 			}
diff --git a/examples/examples.postgres.sql b/examples/examples.postgres.sql
new file mode 100644
index 0000000..d657aed
--- /dev/null
+++ b/examples/examples.postgres.sql
@@ -0,0 +1,62 @@
+CREATE SCHEMA if not exists dtm_busi /* SQLINES DEMO *** RACTER SET utf8mb4 */;
+create SCHEMA  if not exists dtm_barrier /* SQLINES DEMO *** RACTER SET utf8mb4 */;
+
+drop table if exists dtm_busi.user_account;
+-- SQLINES LICENSE FOR EVALUATION USE ONLY
+create sequence if not exists dtm_busi.user_account_seq;
+
+create table if not exists dtm_busi.user_account(
+  id int PRIMARY KEY DEFAULT NEXTVAL ('dtm_busi.user_account_seq'),
+  user_id int UNIQUE ,
+  balance DECIMAL(10, 2) not null default '0',
+  create_time timestamp(0) DEFAULT now(),
+  update_time timestamp(0) DEFAULT now()
+);
+-- SQLINES LICENSE FOR EVALUATION USE ONLY
+create index if not exists create_idx on dtm_busi.user_account(create_time);
+-- SQLINES LICENSE FOR EVALUATION USE ONLY
+create index if not exists update_idx on dtm_busi.user_account(update_time);
+
+TRUNCATE dtm_busi.user_account;
+insert into dtm_busi.user_account (user_id, balance) values (1, 10000), (2, 10000);
+
+drop table if exists dtm_busi.user_account_trading;
+-- SQLINES LICENSE FOR EVALUATION USE ONLY
+create sequence if not exists dtm_busi.user_account_trading_seq;
+
+create table if not exists dtm_busi.user_account_trading( -- SQLINES DEMO *** �冻结的金额
+  id int PRIMARY KEY DEFAULT NEXTVAL ('dtm_busi.user_account_trading_seq'),
+  user_id int UNIQUE ,
+  trading_balance DECIMAL(10, 2) not null default '0',
+  create_time timestamp(0) DEFAULT now(),
+  update_time timestamp(0) DEFAULT now()
+);
+-- SQLINES LICENSE FOR EVALUATION USE ONLY
+create index if not exists create_idx on dtm_busi.user_account_trading(create_time);
+-- SQLINES LICENSE FOR EVALUATION USE ONLY
+create index if not exists update_idx on dtm_busi.user_account_trading(update_time);
+
+TRUNCATE dtm_busi.user_account_trading;
+insert into dtm_busi.user_account_trading (user_id, trading_balance) values (1, 0), (2, 0);
+
+
+drop table if exists dtm_barrier.barrier;
+-- SQLINES LICENSE FOR EVALUATION USE ONLY
+create sequence if not exists dtm_barrier.barrier_seq;
+
+create table if not exists dtm_barrier.barrier(
+  id int PRIMARY KEY DEFAULT NEXTVAL ('dtm_barrier.barrier_seq'),
+  trans_type varchar(45) default '' ,
+  gid varchar(128) default'',
+  branch_id varchar(128) default '',
+  branch_type varchar(45) default '',
+  reason varchar(45) default '' ,
+  result varchar(2047) default null ,
+  create_time timestamp(0) DEFAULT now(),
+  update_time timestamp(0) DEFAULT now(),
+  UNIQUE (gid, branch_id, branch_type)
+);
+-- SQLINES LICENSE FOR EVALUATION USE ONLY
+create index if not exists create_idx on dtm_barrier.barrier(create_time);
+-- SQLINES LICENSE FOR EVALUATION USE ONLY
+create index if not exists update_idx on dtm_barrier.barrier(update_time);
diff --git a/examples/http_tcc_barrier.go b/examples/http_tcc_barrier.go
index 818a04e..7e1c39c 100644
--- a/examples/http_tcc_barrier.go
+++ b/examples/http_tcc_barrier.go
@@ -37,7 +37,7 @@ const transInUID = 1
 const transOutUID = 2
 
 func adjustTrading(db dtmcli.DB, uid int, amount int) error {
-	affected, err := dtmcli.DBExec(db, "update dtm_busi.user_account_trading set trading_balance=trading_balance + ? where user_id=? and trading_balance + ? + (select balance from dtm_busi.user_account where id=?) >= 0", amount, uid, amount, uid)
+	affected, err := dtmcli.DBExec(db, "update dtm_busi.user_account_trading set trading_balance=trading_balance + ? where user_id=? and trading_balance + ? + (select balance from dtm_busi.user_account where user_id=?) >= 0", amount, uid, amount, uid)
 	if err == nil && affected == 0 {
 		return fmt.Errorf("update error, maybe balance not enough")
 	}
diff --git a/go.mod b/go.mod
index 2a0cd34..c7370fa 100644
--- a/go.mod
+++ b/go.mod
@@ -10,6 +10,7 @@ require (
 	github.com/go-sql-driver/mysql v1.5.0
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/kr/pretty v0.1.0 // indirect
+	github.com/lib/pq v1.10.3
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/prometheus/client_golang v1.11.0
@@ -21,6 +22,7 @@ require (
 	google.golang.org/protobuf v1.27.1
 	gopkg.in/yaml.v2 v2.3.0
 	gorm.io/driver/mysql v1.0.3
-	gorm.io/gorm v1.21.12
+	gorm.io/driver/postgres v1.1.2
+	gorm.io/gorm v1.21.15
 // gotest.tools v2.2.0+incompatible
 )
diff --git a/go.sum b/go.sum
index cf5bf72..061d383 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,7 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
@@ -20,6 +21,10 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
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@@ -167,19 +241,38 @@ github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLY
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@@ -193,10 +286,12 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -215,10 +310,15 @@ golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5h
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@@ -229,25 +329,38 @@ golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -291,6 +404,8 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33
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@@ -303,8 +418,13 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie
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 gorm.io/gorm v1.21.12 h1:3fQM0Eiz7jcJEhPggHEpoYnsGZqynMzverL77DV40RM=
 gorm.io/gorm v1.21.12/go.mod h1:F+OptMscr0P2F2qU97WT1WimdH9GaQPoDW7AYd5i2Y0=
+gorm.io/gorm v1.21.15 h1:gAyaDoPw0lCyrSFWhBlahbUA1U4P5RViC1uIqoB+1Rk=
+gorm.io/gorm v1.21.15/go.mod h1:F+OptMscr0P2F2qU97WT1WimdH9GaQPoDW7AYd5i2Y0=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
diff --git a/helper/compose.postgres.yml b/helper/compose.postgres.yml
new file mode 100644
index 0000000..11b409e
--- /dev/null
+++ b/helper/compose.postgres.yml
@@ -0,0 +1,10 @@
+version: '3.3'
+services:
+  postgres:
+    image: 'postgres:13'
+    command: postgres --max_prepared_transactions=1000
+    environment:
+      POSTGRES_PASSWORD: mysecretpassword
+
+    ports:
+      - '5432:5432'
diff --git a/test/dtmsvr_test.go b/test/dtmsvr_test.go
index d2fa6cd..f5d5524 100644
--- a/test/dtmsvr_test.go
+++ b/test/dtmsvr_test.go
@@ -92,7 +92,7 @@ func TestSqlDB(t *testing.T) {
 		BranchID:   "branch_id2",
 		BranchType: dtmcli.BranchAction,
 	}
-	db.Must().Exec("insert ignore into dtm_barrier.barrier(trans_type, gid, branch_id, branch_type, reason) values('saga', 'gid1', 'branch_id1', 'action', 'saga')")
+	db.Must().Exec("insert into dtm_barrier.barrier(trans_type, gid, branch_id, branch_type, reason) values('saga', 'gid1', 'branch_id1', 'action', 'saga')")
 	tx, err := db.ToSQLDB().Begin()
 	asserts.Nil(err)
 	err = barrier.Call(tx, func(db dtmcli.DB) error {
diff --git a/test/grpc_xa_test.go b/test/grpc_xa_test.go
index 42f5295..f0c4bd2 100644
--- a/test/grpc_xa_test.go
+++ b/test/grpc_xa_test.go
@@ -11,9 +11,6 @@ import (
 )
 
 func TestGrpcXa(t *testing.T) {
-	if config.DB["driver"] != "mysql" {
-		return
-	}
 	xaGrpcType(t)
 	xaGrpcLocalError(t)
 	xaGrpcNormal(t)
diff --git a/test/xa_test.go b/test/xa_test.go
index 8c36586..793039b 100644
--- a/test/xa_test.go
+++ b/test/xa_test.go
@@ -12,9 +12,6 @@ import (
 )
 
 func TestXa(t *testing.T) {
-	if config.DB["driver"] != "mysql" {
-		return
-	}
 	xaLocalError(t)
 	xaNormal(t)
 	xaDuplicate(t)