diff --git a/dtmsvr/trans_saga.go b/dtmsvr/trans_saga.go
index 8be49dd..7c56dc8 100644
--- a/dtmsvr/trans_saga.go
+++ b/dtmsvr/trans_saga.go
@@ -19,8 +19,8 @@ func (t *transSagaProcessor) GenBranches() []TransBranch {
 	branches := []TransBranch{}
 	steps := []M{}
 	common.MustUnmarshalString(t.Data, &steps)
-	for _, step := range steps {
-		branch := GenGid()
+	for i, step := range steps {
+		branch := fmt.Sprintf("%02d", i+1)
 		for _, branchType := range []string{"compensate", "action"} {
 			branches = append(branches, TransBranch{
 				Gid:        t.Gid,
diff --git a/examples/main_base.go b/examples/main_base.go
index 4cea49c..36f7165 100644
--- a/examples/main_base.go
+++ b/examples/main_base.go
@@ -63,7 +63,7 @@ var MainSwitch mainSwitchType
 func handleGeneralBusiness(c *gin.Context, result1 string, result2 string, busi string) (interface{}, error) {
 	info := infoFromContext(c)
 	res := common.OrString(MainSwitch.TransInResult.Fetch(), result2, "SUCCESS")
-	logrus.Printf("%s %s result: %s", info.String(), common.GetFuncName(), res)
+	logrus.Printf("%s %s result: %s", busi, info.String(), res)
 	return M{"dtm_result": res}, nil
 
 }
@@ -74,19 +74,19 @@ func BaseAddRoute(app *gin.Engine) {
 		return handleGeneralBusiness(c, MainSwitch.TransInResult.Fetch(), reqFrom(c).TransInResult, "transIn")
 	}))
 	app.POST(BusiAPI+"/TransOut", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
-		return handleGeneralBusiness(c, MainSwitch.TransOutResult.Fetch(), reqFrom(c).TransOutResult, "transIn")
+		return handleGeneralBusiness(c, MainSwitch.TransOutResult.Fetch(), reqFrom(c).TransOutResult, "TransOut")
 	}))
 	app.POST(BusiAPI+"/TransInConfirm", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
-		return handleGeneralBusiness(c, MainSwitch.TransInConfirmResult.Fetch(), "", "transIn")
+		return handleGeneralBusiness(c, MainSwitch.TransInConfirmResult.Fetch(), "", "TransInConfirm")
 	}))
 	app.POST(BusiAPI+"/TransOutConfirm", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
-		return handleGeneralBusiness(c, MainSwitch.TransOutConfirmResult.Fetch(), "", "transIn")
+		return handleGeneralBusiness(c, MainSwitch.TransOutConfirmResult.Fetch(), "", "TransOutConfirm")
 	}))
 	app.POST(BusiAPI+"/TransInRevert", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
-		return handleGeneralBusiness(c, MainSwitch.TransInRevertResult.Fetch(), "", "transIn")
+		return handleGeneralBusiness(c, MainSwitch.TransInRevertResult.Fetch(), "", "TransInRevert")
 	}))
 	app.POST(BusiAPI+"/TransOutRevert", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
-		return handleGeneralBusiness(c, MainSwitch.TransOutRevertResult.Fetch(), "", "transIn")
+		return handleGeneralBusiness(c, MainSwitch.TransOutRevertResult.Fetch(), "", "TransOutRevert")
 	}))
 	app.GET(BusiAPI+"/CanSubmit", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
 		logrus.Printf("%s CanSubmit", c.Query("gid"))
diff --git a/examples/main_tcc.go b/examples/main_tcc.go
index c2c79be..dd0dc79 100644
--- a/examples/main_tcc.go
+++ b/examples/main_tcc.go
@@ -9,15 +9,14 @@ import (
 
 // TccSetup 1
 func TccSetup(app *gin.Engine) {
-	app.POST(BusiAPI+"/TransInTcc", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
+	app.POST(BusiAPI+"/TransInTccParent", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
 		tcc, err := dtmcli.TccFromReq(c)
 		e2p(err)
 		req := reqFrom(c)
-		logrus.Printf("Trans in %d here, and Trans in another %d in call2 ", req.Amount/2, req.Amount/2)
-		_, rerr := tcc.CallBranch(&TransReq{Amount: req.Amount / 2}, Busi+"/TransIn", Busi+"/TransInConfirm", Busi+"/TransInRevert")
+		logrus.Printf("TransInTccParent ")
+		_, rerr := tcc.CallBranch(&TransReq{Amount: req.Amount}, Busi+"/TransIn", Busi+"/TransInConfirm", Busi+"/TransInRevert")
 		e2p(rerr)
 		return M{"dtm_result": "SUCCESS"}, nil
-
 	}))
 }
 
@@ -28,7 +27,7 @@ func TccFireRequestNested() string {
 	err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (rerr error) {
 		res1, rerr := tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransOut", Busi+"/TransOutConfirm", Busi+"/TransOutRevert")
 		e2p(rerr)
-		res2, rerr := tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransInTcc", Busi+"/TransInConfirm", Busi+"/TransInRevert")
+		res2, rerr := tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransInTccParent", Busi+"/TransInConfirm", Busi+"/TransInRevert")
 		e2p(rerr)
 		logrus.Printf("tcc returns: %s, %s", res1.String(), res2.String())
 		return