diff --git a/dtmcli/dtmimp/db_special_test.go b/dtmcli/dtmimp/db_special_test.go
index 7003109..74632a1 100644
--- a/dtmcli/dtmimp/db_special_test.go
+++ b/dtmcli/dtmimp/db_special_test.go
@@ -24,7 +24,7 @@ func TestDBSpecial(t *testing.T) {
 	assert.Equal(t, "xa start 'xa1'", sp.GetXaSQL("start", "xa1"))
 	assert.Equal(t, "insert ignore into a(f) values(?)", sp.GetInsertIgnoreTemplate("a(f) values(?)", "c"))
 	SetCurrentDBType(DBTypePostgres)
-	sp = GetDBSpecial(DBTypeMysql)
+	sp = GetDBSpecial(DBTypePostgres)
 	assert.Equal(t, "$1 $2", sp.GetPlaceHoldSQL("? ?"))
 	assert.Equal(t, "begin", sp.GetXaSQL("start", "xa1"))
 	assert.Equal(t, "insert into a(f) values(?) on conflict ON CONSTRAINT c do nothing", sp.GetInsertIgnoreTemplate("a(f) values(?)", "c"))
diff --git a/dtmcli/dtmimp/trans_xa_base.go b/dtmcli/dtmimp/trans_xa_base.go
index bd15c87..6eedb31 100644
--- a/dtmcli/dtmimp/trans_xa_base.go
+++ b/dtmcli/dtmimp/trans_xa_base.go
@@ -25,7 +25,7 @@ func XaHandlePhase2(gid string, dbConf DBConf, branchID string, op string) error
 	}
 	if op == OpRollback && err == nil {
 		// rollback insert a row after prepare. no-error means prepare has finished.
-		_, err = InsertBarrier(db, "xa", gid, branchID, OpAction, XaBarrier1, op, dbConf.Driver, "TODO")
+		_, err = InsertBarrier(db, "xa", gid, branchID, OpAction, XaBarrier1, op, dbConf.Driver, "")
 	}
 	return err
 }
@@ -52,7 +52,7 @@ func XaHandleLocalTrans(xa *TransBase, dbConf DBConf, cb func(*sql.DB) error) (r
 		_, _ = DBExec(dbConf.Driver, db, GetDBSpecial(dbConf.Driver).GetXaSQL("end", xaBranch))
 	}()
 	// prepare and rollback both insert a row
-	_, rerr = InsertBarrier(db, xa.TransType, xa.Gid, xa.BranchID, OpAction, XaBarrier1, OpAction, dbConf.Driver, "TODO")
+	_, rerr = InsertBarrier(db, xa.TransType, xa.Gid, xa.BranchID, OpAction, XaBarrier1, OpAction, dbConf.Driver, "")
 	if rerr == nil {
 		rerr = cb(db)
 	}
diff --git a/helper/bench/svr/http.go b/helper/bench/svr/http.go
index 6cac380..5a8b883 100644
--- a/helper/bench/svr/http.go
+++ b/helper/bench/svr/http.go
@@ -53,7 +53,7 @@ func reloadData() {
 	db := pdbGet()
 	tables := []string{"dtm_busi.user_account", "dtm_busi.user_account_log", "dtm.trans_global", "dtm.trans_branch_op", "dtm_barrier.barrier"}
 	for _, t := range tables {
-		_, err := dtmimp.DBExec(db, fmt.Sprintf("truncate %s", t))
+		_, err := dtmimp.DBExec(busi.BusiConf.Driver, db, fmt.Sprintf("truncate %s", t))
 		logger.FatalIfError(err)
 	}
 	s := "insert ignore into dtm_busi.user_account(user_id, balance) values "
@@ -61,7 +61,7 @@ func reloadData() {
 	for i := 1; i <= total; i++ {
 		ss = append(ss, fmt.Sprintf("(%d, 1000000)", i))
 	}
-	_, err := dtmimp.DBExec(db, s+strings.Join(ss, ","))
+	_, err := dtmimp.DBExec(busi.BusiConf.Driver, db, s+strings.Join(ss, ","))
 	logger.FatalIfError(err)
 	logger.Debugf("%d users inserted. used: %dms", total, time.Since(began).Milliseconds())
 }
@@ -73,11 +73,11 @@ var sqls = 1
 // PrepareBenchDB prepares db data for bench
 func PrepareBenchDB() {
 	db := pdbGet()
-	_, err := dtmimp.DBExec(db, "CREATE DATABASE if not exists dtm_busi")
+	_, err := dtmimp.DBExec(busi.BusiConf.Driver, db, "CREATE DATABASE if not exists dtm_busi")
 	logger.FatalIfError(err)
-	_, err = dtmimp.DBExec(db, "drop table if exists dtm_busi.user_account_log")
+	_, err = dtmimp.DBExec(busi.BusiConf.Driver, db, "drop table if exists dtm_busi.user_account_log")
 	logger.FatalIfError(err)
-	_, err = dtmimp.DBExec(db, `create table if not exists dtm_busi.user_account_log (
+	_, err = dtmimp.DBExec(busi.BusiConf.Driver, db, `create table if not exists dtm_busi.user_account_log (
 	id      INT(11) AUTO_INCREMENT PRIMARY KEY,
 	user_id INT(11) NOT NULL,
 	delta DECIMAL(11, 2) not null,
@@ -111,10 +111,10 @@ func qsAdjustBalance(uid int, amount int, c *gin.Context) error { // nolint: unp
 	tb := dtmimp.TransBaseFromQuery(c.Request.URL.Query())
 	f := func(tx *sql.Tx) error {
 		for i := 0; i < sqls; i++ {
-			_, err := dtmimp.DBExec(tx, "insert into dtm_busi.user_account_log(user_id, delta, gid, branch_id, op, reason)  values(?,?,?,?,?,?)",
+			_, err := dtmimp.DBExec(busi.BusiConf.Driver, tx, "insert into dtm_busi.user_account_log(user_id, delta, gid, branch_id, op, reason)  values(?,?,?,?,?,?)",
 				uid, amount, tb.Gid, c.Query("branch_id"), tb.TransType, fmt.Sprintf("inserted by dtm transaction %s %s", tb.Gid, c.Query("branch_id")))
 			logger.FatalIfError(err)
-			_, err = dtmimp.DBExec(tx, "update dtm_busi.user_account set balance = balance + ?, update_time = now() where user_id = ?", amount, uid)
+			_, err = dtmimp.DBExec(busi.BusiConf.Driver, tx, "update dtm_busi.user_account set balance = balance + ?, update_time = now() where user_id = ?", amount, uid)
 			logger.FatalIfError(err)
 		}
 		return nil
diff --git a/test/busi/base_http.go b/test/busi/base_http.go
index e2609bf..11bc525 100644
--- a/test/busi/base_http.go
+++ b/test/busi/base_http.go
@@ -69,7 +69,8 @@ func BaseAppStartup() *gin.Engine {
 	}
 	logger.Debugf("Starting busi at: %d", BusiPort)
 	go func() {
-		_ = app.Run(fmt.Sprintf(":%d", BusiPort))
+		err := app.Run(fmt.Sprintf(":%d", BusiPort))
+		dtmimp.FatalIfError(err)
 	}()
 	return app
 }
diff --git a/test/xa_test.go b/test/xa_test.go
index ff17286..82d10c7 100644
--- a/test/xa_test.go
+++ b/test/xa_test.go
@@ -43,10 +43,10 @@ func TestXaDuplicate(t *testing.T) {
 		sdb, err := dtmimp.StandaloneDB(busi.BusiConf)
 		assert.Nil(t, err)
 		if dtmcli.GetCurrentDBType() == dtmcli.DBTypeMysql {
-			_, err = dtmimp.DBExec(conf.Store.Driver, sdb, "xa recover")
+			_, err = dtmimp.DBExec(busi.BusiConf.Driver, sdb, "xa recover")
 			assert.Nil(t, err)
 		}
-		_, err = dtmimp.DBExec(conf.Store.Driver, sdb, dtmimp.GetDBSpecial(conf.Store.Driver).GetXaSQL("commit", gid+"-01")) // simulate repeated request
+		_, err = dtmimp.DBExec(busi.BusiConf.Driver, sdb, dtmimp.GetDBSpecial(busi.BusiConf.Driver).GetXaSQL("commit", gid+"-01")) // simulate repeated request
 		assert.Nil(t, err)
 		return xa.CallBranch(req, busi.Busi+"/TransInXa")
 	})