diff --git a/test/msg_barrier_test.go b/test/msg_barrier_test.go
index 3604ea0..ffed7ac 100644
--- a/test/msg_barrier_test.go
+++ b/test/msg_barrier_test.go
@@ -76,7 +76,6 @@ func TestMsgPrepareAndSubmitCommitFailed(t *testing.T) {
 	})
 	g.Unpatch()
 	assert.Error(t, err)
-	cronTransOnceForwardNow(180)
 	assertSameBalance(t, before, "mysql")
 }
 
diff --git a/test/msg_grpc_barrier_test.go b/test/msg_grpc_barrier_test.go
index 50edd6c..9b57633 100644
--- a/test/msg_grpc_barrier_test.go
+++ b/test/msg_grpc_barrier_test.go
@@ -49,6 +49,6 @@ func TestMsgGrpcPrepareAndSubmitCommitAfterFailed(t *testing.T) {
 		return err
 	})
 	assert.Error(t, err)
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assertNotSameBalance(t, before, "mysql")
 }
diff --git a/test/msg_grpc_test.go b/test/msg_grpc_test.go
index 4701903..05f3997 100644
--- a/test/msg_grpc_test.go
+++ b/test/msg_grpc_test.go
@@ -28,31 +28,32 @@ func TestMsgGrpcNormal(t *testing.T) {
 }
 
 func TestMsgGrpcTimeoutSuccess(t *testing.T) {
-	msg := genGrpcMsg(dtmimp.GetFuncName())
+	gid := dtmimp.GetFuncName()
+	msg := genGrpcMsg(gid)
 	err := msg.Prepare("")
 	assert.Nil(t, err)
 	busi.MainSwitch.QueryPreparedResult.SetOnce(dtmcli.ResultOngoing)
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
 	busi.MainSwitch.TransOutResult.SetOnce(dtmcli.ResultOngoing)
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assert.Equal(t, StatusSubmitted, getTransStatus(msg.Gid))
 	assert.Equal(t, []string{StatusPrepared, StatusPrepared}, getBranchesStatus(msg.Gid))
-	g := cronTransOnce()
-	assert.Equal(t, msg.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusSucceed, getTransStatus(msg.Gid))
 	assert.Equal(t, []string{StatusSucceed, StatusSucceed}, getBranchesStatus(msg.Gid))
 }
 
 func TestMsgGrpcTimeoutFailed(t *testing.T) {
-	msg := genGrpcMsg(dtmimp.GetFuncName())
+	gid := dtmimp.GetFuncName()
+	msg := genGrpcMsg(gid)
 	msg.Prepare("")
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
 	busi.MainSwitch.QueryPreparedResult.SetOnce(dtmcli.ResultOngoing)
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
 	busi.MainSwitch.QueryPreparedResult.SetOnce(dtmcli.ResultFailure)
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assert.Equal(t, StatusFailed, getTransStatus(msg.Gid))
 	assert.Equal(t, []string{StatusPrepared, StatusPrepared}, getBranchesStatus(msg.Gid))
 }
diff --git a/test/msg_options_test.go b/test/msg_options_test.go
index 1f60810..3d1ded8 100644
--- a/test/msg_options_test.go
+++ b/test/msg_options_test.go
@@ -16,38 +16,38 @@ import (
 )
 
 func TestMsgOptionsTimeout(t *testing.T) {
-	msg := genMsg(dtmimp.GetFuncName())
+	gid := dtmimp.GetFuncName()
+	msg := genMsg(gid)
 	msg.Prepare("")
-	g := cronTransOnce()
-	assert.Equal(t, msg.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
-	cronTransOnceForwardNow(60)
+	cronTransOnceForwardNow(t, gid, 60)
 	assert.Equal(t, StatusSucceed, getTransStatus(msg.Gid))
 }
 
 func TestMsgOptionsTimeoutCustom(t *testing.T) {
-	msg := genMsg(dtmimp.GetFuncName())
+	gid := dtmimp.GetFuncName()
+	msg := genMsg(gid)
 	msg.TimeoutToFail = 120
 	msg.Prepare("")
-	g := cronTransOnce()
-	assert.Equal(t, msg.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
-	cronTransOnceForwardNow(60)
+	cronTransOnceForwardNow(t, gid, 60)
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assert.Equal(t, StatusSucceed, getTransStatus(msg.Gid))
 }
 
 func TestMsgOptionsTimeoutFailed(t *testing.T) {
-	msg := genMsg(dtmimp.GetFuncName())
+	gid := dtmimp.GetFuncName()
+	msg := genMsg(gid)
 	msg.TimeoutToFail = 120
 	msg.Prepare("")
-	g := cronTransOnce()
-	assert.Equal(t, msg.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
-	cronTransOnceForwardNow(60)
+	cronTransOnceForwardNow(t, gid, 60)
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
 	busi.MainSwitch.QueryPreparedResult.SetOnce(dtmcli.ResultFailure)
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assert.Equal(t, StatusFailed, getTransStatus(msg.Gid))
 }
diff --git a/test/msg_test.go b/test/msg_test.go
index 8f26ad8..5f629d5 100644
--- a/test/msg_test.go
+++ b/test/msg_test.go
@@ -26,30 +26,31 @@ func TestMsgNormal(t *testing.T) {
 }
 
 func TestMsgTimeoutSuccess(t *testing.T) {
-	msg := genMsg(dtmimp.GetFuncName())
+	gid := dtmimp.GetFuncName()
+	msg := genMsg(gid)
 	msg.Prepare("")
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
 	busi.MainSwitch.QueryPreparedResult.SetOnce(dtmcli.ResultOngoing)
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
 	busi.MainSwitch.TransInResult.SetOnce(dtmcli.ResultOngoing)
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assert.Equal(t, StatusSubmitted, getTransStatus(msg.Gid))
-	g := cronTransOnce()
-	assert.Equal(t, msg.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, []string{StatusSucceed, StatusSucceed}, getBranchesStatus(msg.Gid))
 	assert.Equal(t, StatusSucceed, getTransStatus(msg.Gid))
 }
 
 func TestMsgTimeoutFailed(t *testing.T) {
-	msg := genMsg(dtmimp.GetFuncName())
+	gid := dtmimp.GetFuncName()
+	msg := genMsg(gid)
 	msg.Prepare("")
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
 	busi.MainSwitch.QueryPreparedResult.SetOnce(dtmcli.ResultOngoing)
-	cronTransOnceForwardNow(360)
+	cronTransOnceForwardNow(t, gid, 360)
 	assert.Equal(t, StatusPrepared, getTransStatus(msg.Gid))
 	busi.MainSwitch.QueryPreparedResult.SetOnce(dtmcli.ResultFailure)
-	cronTransOnceForwardNow(180)
+	cronTransOnceForwardNow(t, gid, 180)
 	assert.Equal(t, []string{StatusPrepared, StatusPrepared}, getBranchesStatus(msg.Gid))
 	assert.Equal(t, StatusFailed, getTransStatus(msg.Gid))
 }
diff --git a/test/saga_concurrent_test.go b/test/saga_concurrent_test.go
index 5c33770..f130a8b 100644
--- a/test/saga_concurrent_test.go
+++ b/test/saga_concurrent_test.go
@@ -28,14 +28,14 @@ func TestSagaConNormal(t *testing.T) {
 }
 
 func TestSagaConRollbackNormal(t *testing.T) {
-	sagaCon := genSagaCon(dtmimp.GetFuncName(), true, false)
+	gid := dtmimp.GetFuncName()
+	sagaCon := genSagaCon(gid, true, false)
 	busi.MainSwitch.TransOutRevertResult.SetOnce(dtmcli.ResultOngoing)
 	err := sagaCon.Submit()
 	assert.Nil(t, err)
 	waitTransProcessed(sagaCon.Gid)
 	assert.Equal(t, StatusAborting, getTransStatus(sagaCon.Gid))
-	g := cronTransOnce()
-	assert.Equal(t, sagaCon.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusFailed, getTransStatus(sagaCon.Gid))
 	// TODO should fix this
 	// assert.Equal(t, []string{StatusSucceed, StatusFailed, StatusSucceed, StatusSucceed}, getBranchesStatus(sagaCon.Gid))
@@ -61,15 +61,15 @@ func TestSagaConRollbackOrder2(t *testing.T) {
 	assert.Equal(t, []string{StatusSucceed, StatusSucceed, StatusSucceed, StatusFailed}, getBranchesStatus(sagaCon.Gid))
 }
 func TestSagaConCommittedOngoing(t *testing.T) {
-	sagaCon := genSagaCon(dtmimp.GetFuncName(), false, false)
+	gid := dtmimp.GetFuncName()
+	sagaCon := genSagaCon(gid, false, false)
 	busi.MainSwitch.TransOutResult.SetOnce(dtmcli.ResultOngoing)
 	sagaCon.Submit()
 	waitTransProcessed(sagaCon.Gid)
 	assert.Equal(t, []string{StatusPrepared, StatusPrepared, StatusPrepared, StatusSucceed}, getBranchesStatus(sagaCon.Gid))
 	assert.Equal(t, StatusSubmitted, getTransStatus(sagaCon.Gid))
 
-	g := cronTransOnce()
-	assert.Equal(t, sagaCon.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, []string{StatusPrepared, StatusSucceed, StatusPrepared, StatusSucceed}, getBranchesStatus(sagaCon.Gid))
 	assert.Equal(t, StatusSucceed, getTransStatus(sagaCon.Gid))
 }
diff --git a/test/saga_grpc_test.go b/test/saga_grpc_test.go
index dd4fd33..ee181ce 100644
--- a/test/saga_grpc_test.go
+++ b/test/saga_grpc_test.go
@@ -26,13 +26,13 @@ func TestSagaGrpcNormal(t *testing.T) {
 }
 
 func TestSagaGrpcRollback(t *testing.T) {
-	saga := genSagaGrpc(dtmimp.GetFuncName(), false, true)
+	gid := dtmimp.GetFuncName()
+	saga := genSagaGrpc(gid, false, true)
 	busi.MainSwitch.TransOutRevertResult.SetOnce(dtmcli.ResultOngoing)
 	saga.Submit()
 	waitTransProcessed(saga.Gid)
 	assert.Equal(t, StatusAborting, getTransStatus(saga.Gid))
-	g := cronTransOnce()
-	assert.Equal(t, saga.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusFailed, getTransStatus(saga.Gid))
 	assert.Equal(t, []string{StatusSucceed, StatusSucceed, StatusSucceed, StatusFailed}, getBranchesStatus(saga.Gid))
 }
@@ -57,20 +57,21 @@ func TestSagaGrpcCurrentOrder(t *testing.T) {
 }
 
 func TestSagaGrpcCommittedOngoing(t *testing.T) {
-	saga := genSagaGrpc(dtmimp.GetFuncName(), false, false)
+	gid := dtmimp.GetFuncName()
+	saga := genSagaGrpc(gid, false, false)
 	busi.MainSwitch.TransOutResult.SetOnce(dtmcli.ResultOngoing)
 	saga.Submit()
 	waitTransProcessed(saga.Gid)
 	assert.Equal(t, StatusSubmitted, getTransStatus(saga.Gid))
 	assert.Equal(t, []string{StatusPrepared, StatusPrepared, StatusPrepared, StatusPrepared}, getBranchesStatus(saga.Gid))
-	g := cronTransOnce()
-	assert.Equal(t, saga.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusSucceed, getTransStatus(saga.Gid))
 	assert.Equal(t, []string{StatusPrepared, StatusSucceed, StatusPrepared, StatusSucceed}, getBranchesStatus(saga.Gid))
 }
 
 func TestSagaGrpcNormalWait(t *testing.T) {
-	saga := genSagaGrpc(dtmimp.GetFuncName(), false, false)
+	gid := dtmimp.GetFuncName()
+	saga := genSagaGrpc(gid, false, false)
 	saga.WaitResult = true
 	saga.Submit()
 	assert.Equal(t, []string{StatusPrepared, StatusSucceed, StatusPrepared, StatusSucceed}, getBranchesStatus(saga.Gid))
@@ -119,8 +120,7 @@ func TestSagaGrpcCronPassthroughHeadersYes(t *testing.T) {
 	assert.Nil(t, err)
 	waitTransProcessed(gidYes)
 	assert.Equal(t, StatusSubmitted, getTransStatus(gidYes))
-	g := cronTransOnce()
-	assert.Equal(t, gidYes, g)
+	cronTransOnce(t, gidYes)
 	assert.Equal(t, StatusSucceed, getTransStatus(gidYes))
 }
 
@@ -159,7 +159,6 @@ func TestSagaGrpcCronHeaders(t *testing.T) {
 	assert.Nil(t, err)
 	waitTransProcessed(gidYes)
 	assert.Equal(t, StatusSubmitted, getTransStatus(gidYes))
-	g := cronTransOnce()
-	assert.Equal(t, gidYes, g)
+	cronTransOnce(t, gidYes)
 	assert.Equal(t, StatusSucceed, getTransStatus(gidYes))
 }
diff --git a/test/saga_options_test.go b/test/saga_options_test.go
index 783823c..090074f 100644
--- a/test/saga_options_test.go
+++ b/test/saga_options_test.go
@@ -17,19 +17,20 @@ import (
 )
 
 func TestSagaOptionsRetryOngoing(t *testing.T) {
+	gid := dtmimp.GetFuncName()
 	saga := genSaga1(dtmimp.GetFuncName(), false, false)
 	saga.RetryInterval = 150 // CronForwardDuration is larger than RetryInterval
 	busi.MainSwitch.TransOutResult.SetOnce(dtmcli.ResultOngoing)
 	err := saga.Submit()
 	assert.Nil(t, err)
 	waitTransProcessed(saga.Gid)
-	g := cronTransOnce()
-	assert.Equal(t, saga.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusSucceed, getTransStatus(saga.Gid))
 	assert.Equal(t, []string{StatusPrepared, StatusSucceed}, getBranchesStatus(saga.Gid))
 }
 
 func TestSagaOptionsRetryError(t *testing.T) {
+	gid := dtmimp.GetFuncName()
 	saga := genSaga1(dtmimp.GetFuncName(), false, false)
 	saga.RetryInterval = 150 // CronForwardDuration is less than 2*RetryInterval
 	busi.MainSwitch.TransOutResult.SetOnce("ERROR")
@@ -38,22 +39,21 @@ func TestSagaOptionsRetryError(t *testing.T) {
 	waitTransProcessed(saga.Gid)
 	assert.Equal(t, StatusSubmitted, getTransStatus(saga.Gid))
 	assert.Equal(t, []string{StatusPrepared, StatusPrepared}, getBranchesStatus(saga.Gid))
-	g := cronTransOnce()
-	assert.Equal(t, "", g)
-	g = cronTransOnceForwardCron(360)
-	assert.Equal(t, saga.Gid, g)
+	cronTransOnce(t, "")
+	cronTransOnceForwardCron(t, gid, 360)
 	assert.Equal(t, StatusSucceed, getTransStatus(saga.Gid))
 	assert.Equal(t, []string{StatusPrepared, StatusSucceed}, getBranchesStatus(saga.Gid))
 }
 
 func TestSagaOptionsTimeout(t *testing.T) {
+	gid := dtmimp.GetFuncName()
 	saga := genSaga(dtmimp.GetFuncName(), false, false)
 	saga.TimeoutToFail = 1800
 	busi.MainSwitch.TransOutResult.SetOnce(dtmcli.ResultOngoing)
 	saga.Submit()
 	waitTransProcessed(saga.Gid)
 	assert.Equal(t, StatusSubmitted, getTransStatus(saga.Gid))
-	cronTransOnceForwardNow(3600)
+	cronTransOnceForwardNow(t, gid, 3600)
 	assert.Equal(t, StatusFailed, getTransStatus(saga.Gid))
 }
 
@@ -68,6 +68,7 @@ func TestSagaOptionsNormalWait(t *testing.T) {
 }
 
 func TestSagaOptionsCommittedOngoingWait(t *testing.T) {
+	gid := dtmimp.GetFuncName()
 	saga := genSaga(dtmimp.GetFuncName(), false, false)
 	busi.MainSwitch.TransOutResult.SetOnce(dtmcli.ResultOngoing)
 	saga.WaitResult = true
@@ -76,8 +77,7 @@ func TestSagaOptionsCommittedOngoingWait(t *testing.T) {
 	assert.Equal(t, []string{StatusPrepared, StatusPrepared, StatusPrepared, StatusPrepared}, getBranchesStatus(saga.Gid))
 	assert.Equal(t, StatusSubmitted, getTransStatus(saga.Gid))
 	waitTransProcessed(saga.Gid)
-	g := cronTransOnce()
-	assert.Equal(t, saga.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, []string{StatusPrepared, StatusSucceed, StatusPrepared, StatusSucceed}, getBranchesStatus(saga.Gid))
 	assert.Equal(t, StatusSucceed, getTransStatus(saga.Gid))
 }
@@ -113,8 +113,7 @@ func TestSagaCronPassthroughHeadersYes(t *testing.T) {
 	assert.Nil(t, err)
 	waitTransProcessed(gidYes)
 	assert.Equal(t, StatusSubmitted, getTransStatus(gidYes))
-	g := cronTransOnce()
-	assert.Equal(t, gidYes, g)
+	cronTransOnce(t, gidYes)
 	assert.Equal(t, StatusSucceed, getTransStatus(gidYes))
 }
 
@@ -153,7 +152,6 @@ func TestSagaHeadersYes1(t *testing.T) {
 	assert.Nil(t, err)
 	waitTransProcessed(gidYes)
 	assert.Equal(t, StatusSubmitted, getTransStatus(gidYes))
-	g := cronTransOnce()
-	assert.Equal(t, gidYes, g)
+	cronTransOnce(t, gidYes)
 	assert.Equal(t, StatusSucceed, getTransStatus(gidYes))
 }
diff --git a/test/saga_test.go b/test/saga_test.go
index b7afd3a..d7b9ad7 100644
--- a/test/saga_test.go
+++ b/test/saga_test.go
@@ -34,27 +34,27 @@ func TestSagaRollback(t *testing.T) {
 }
 
 func TestSagaOngoingSucceed(t *testing.T) {
+	gid := dtmimp.GetFuncName()
 	saga := genSaga(dtmimp.GetFuncName(), false, false)
 	busi.MainSwitch.TransOutResult.SetOnce(dtmcli.ResultOngoing)
 	saga.Submit()
 	waitTransProcessed(saga.Gid)
 	assert.Equal(t, []string{StatusPrepared, StatusPrepared, StatusPrepared, StatusPrepared}, getBranchesStatus(saga.Gid))
 	assert.Equal(t, StatusSubmitted, getTransStatus(saga.Gid))
-	g := cronTransOnce()
-	assert.Equal(t, saga.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, []string{StatusPrepared, StatusSucceed, StatusPrepared, StatusSucceed}, getBranchesStatus(saga.Gid))
 	assert.Equal(t, StatusSucceed, getTransStatus(saga.Gid))
 }
 
 func TestSagaFailed(t *testing.T) {
+	gid := dtmimp.GetFuncName()
 	saga := genSaga(dtmimp.GetFuncName(), false, true)
 	busi.MainSwitch.TransOutRevertResult.SetOnce("ERROR")
 	err := saga.Submit()
 	assert.Nil(t, err)
 	waitTransProcessed(saga.Gid)
 	assert.Equal(t, StatusAborting, getTransStatus(saga.Gid))
-	g := cronTransOnce()
-	assert.Equal(t, saga.Gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusFailed, getTransStatus(saga.Gid))
 	assert.Equal(t, []string{StatusSucceed, StatusSucceed, StatusSucceed, StatusFailed}, getBranchesStatus(saga.Gid))
 }
diff --git a/test/tcc_barrier_test.go b/test/tcc_barrier_test.go
index 8a1ae57..57692b3 100644
--- a/test/tcc_barrier_test.go
+++ b/test/tcc_barrier_test.go
@@ -97,7 +97,7 @@ func runTestTccBarrierDisorder(t *testing.T, store string) {
 
 		logger.Debugf("cron to timeout and then call cancelled twice")
 		cron := func() {
-			cronTransOnceForwardNow(300)
+			cronTransOnceForwardNow(t, gid, 300)
 			logger.Debugf("cronFinished write")
 			cronFinished <- "1"
 			logger.Debugf("cronFinished after write")
diff --git a/test/tcc_grpc_cover_test.go b/test/tcc_grpc_cover_test.go
index 192d491..a667e72 100644
--- a/test/tcc_grpc_cover_test.go
+++ b/test/tcc_grpc_cover_test.go
@@ -47,6 +47,5 @@ func TestTccGrpcCoverCallBranch(t *testing.T) {
 		return err
 	})
 	assert.Error(t, err)
-	g := cronTransOnceForwardNow(300)
-	assert.Equal(t, gid, g)
+	cronTransOnceForwardNow(t, gid, 300)
 }
diff --git a/test/tcc_grpc_test.go b/test/tcc_grpc_test.go
index b3a8169..5a7c336 100644
--- a/test/tcc_grpc_test.go
+++ b/test/tcc_grpc_test.go
@@ -49,8 +49,7 @@ func TestTccGrpcRollback(t *testing.T) {
 	assert.Error(t, err)
 	waitTransProcessed(gid)
 	assert.Equal(t, StatusAborting, getTransStatus(gid))
-	g2 := cronTransOnce()
-	assert.Equal(t, gid, g2)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusFailed, getTransStatus(gid))
 	assert.Equal(t, []string{StatusSucceed, StatusPrepared, StatusSucceed, StatusPrepared}, getBranchesStatus(gid))
 }
diff --git a/test/tcc_old_test.go b/test/tcc_old_test.go
index 9a55611..5aca2e1 100644
--- a/test/tcc_old_test.go
+++ b/test/tcc_old_test.go
@@ -37,8 +37,7 @@ func TestTccOldRollback(t *testing.T) {
 	assert.Error(t, err)
 	waitTransProcessed(gid)
 	assert.Equal(t, StatusAborting, getTransStatus(gid))
-	g := cronTransOnce()
-	assert.Equal(t, gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusFailed, getTransStatus(gid))
 	assert.Equal(t, []string{StatusSucceed, StatusPrepared, StatusSucceed, StatusPrepared}, getBranchesStatus(gid))
 }
@@ -52,7 +51,7 @@ func TestTccOldTimeout(t *testing.T) {
 		_, err := tcc.CallBranch(req, Busi+"/TransOutOld", Busi+"/TransOutConfirmOld", Busi+"/TransOutRevertOld")
 		assert.Nil(t, err)
 		go func() {
-			cronTransOnceForwardNow(300)
+			cronTransOnceForwardNow(t, gid, 300)
 			timeoutChan <- 0
 		}()
 		<-timeoutChan
diff --git a/test/tcc_test.go b/test/tcc_test.go
index 8264d43..60fccd2 100644
--- a/test/tcc_test.go
+++ b/test/tcc_test.go
@@ -43,8 +43,7 @@ func TestTccRollback(t *testing.T) {
 	assert.Error(t, err)
 	waitTransProcessed(gid)
 	assert.Equal(t, StatusAborting, getTransStatus(gid))
-	g := cronTransOnce()
-	assert.Equal(t, gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusFailed, getTransStatus(gid))
 	assert.Equal(t, []string{StatusSucceed, StatusPrepared, StatusSucceed, StatusPrepared}, getBranchesStatus(gid))
 }
@@ -58,7 +57,7 @@ func TestTccTimeout(t *testing.T) {
 		_, err := tcc.CallBranch(req, Busi+"/TransOut", Busi+"/TransOutConfirm", Busi+"/TransOutRevert")
 		assert.Nil(t, err)
 		go func() {
-			cronTransOnceForwardNow(300)
+			cronTransOnceForwardNow(t, gid, 300)
 			timeoutChan <- 0
 		}()
 		<-timeoutChan
diff --git a/test/types.go b/test/types.go
index e2e6e73..2d1d545 100644
--- a/test/types.go
+++ b/test/types.go
@@ -38,12 +38,12 @@ func waitTransProcessed(gid string) {
 	}
 }
 
-func cronTransOnce() string {
-	gid := dtmsvr.CronTransOnce()
+func cronTransOnce(t *testing.T, gid string) {
+	gid2 := dtmsvr.CronTransOnce()
+	assert.Equal(t, gid, gid2)
 	if dtmsvr.TransProcessedTestChan != nil && gid != "" {
 		waitTransProcessed(gid)
 	}
-	return gid
 }
 
 var e2p = dtmimp.E2P
@@ -54,20 +54,18 @@ type TransGlobal = dtmsvr.TransGlobal
 // TransBranch alias
 type TransBranch = dtmsvr.TransBranch
 
-func cronTransOnceForwardNow(seconds int) string {
+func cronTransOnceForwardNow(t *testing.T, gid string, seconds int) {
 	old := dtmsvr.NowForwardDuration
 	dtmsvr.NowForwardDuration = time.Duration(seconds) * time.Second
-	gid := cronTransOnce()
+	cronTransOnce(t, gid)
 	dtmsvr.NowForwardDuration = old
-	return gid
 }
 
-func cronTransOnceForwardCron(seconds int) string {
+func cronTransOnceForwardCron(t *testing.T, gid string, seconds int) {
 	old := dtmsvr.CronForwardDuration
 	dtmsvr.CronForwardDuration = time.Duration(seconds) * time.Second
-	gid := cronTransOnce()
+	cronTransOnce(t, gid)
 	dtmsvr.CronForwardDuration = old
-	return gid
 }
 
 const (
diff --git a/test/xa_cover_test.go b/test/xa_cover_test.go
index 0103539..6b8ccbd 100644
--- a/test/xa_cover_test.go
+++ b/test/xa_cover_test.go
@@ -27,7 +27,7 @@ func TestXaCoverDBError(t *testing.T) {
 	getXc().Conf.Driver = "no-driver" // make xa rollback failed
 	waitTransProcessed(gid)
 	getXc().Conf.Driver = oldDriver
-	cronTransOnceForwardNow(500) // rollback succeeded here
+	cronTransOnceForwardNow(t, gid, 500) // rollback succeeded here
 	assert.Equal(t, StatusFailed, getTransStatus(gid))
 }
 
diff --git a/test/xa_test.go b/test/xa_test.go
index 92892c9..b276340 100644
--- a/test/xa_test.go
+++ b/test/xa_test.go
@@ -89,7 +89,7 @@ func TestXaTimeout(t *testing.T) {
 	timeoutChan := make(chan int, 1)
 	err := getXc().XaGlobalTransaction(gid, func(xa *dtmcli.Xa) (*resty.Response, error) {
 		go func() {
-			cronTransOnceForwardNow(300)
+			cronTransOnceForwardNow(t, gid, 300)
 			timeoutChan <- 0
 		}()
 		<-timeoutChan
@@ -105,7 +105,7 @@ func TestXaNotTimeout(t *testing.T) {
 	timeoutChan := make(chan int, 1)
 	err := getXc().XaGlobalTransaction(gid, func(xa *dtmcli.Xa) (*resty.Response, error) {
 		go func() {
-			cronTransOnceForwardNow(0) // not timeout,
+			cronTransOnceForwardNow(t, gid, 0) // not timeout,
 			timeoutChan <- 0
 		}()
 		<-timeoutChan
@@ -118,8 +118,7 @@ func TestXaNotTimeout(t *testing.T) {
 	assert.Nil(t, err)
 	waitTransProcessed(gid)
 	assert.Equal(t, StatusSubmitted, getTransStatus(gid))
-	g := cronTransOnce()
-	assert.Equal(t, gid, g)
+	cronTransOnce(t, gid)
 	assert.Equal(t, StatusSucceed, getTransStatus(gid))
 	assert.Equal(t, []string{StatusPrepared, StatusSucceed}, getBranchesStatus(gid))
 }