diff --git a/dtmcli/tcc.go b/dtmcli/tcc.go
index 08a9037..6e93b6f 100644
--- a/dtmcli/tcc.go
+++ b/dtmcli/tcc.go
@@ -16,7 +16,7 @@ type Tcc struct {
 }
 
 // TccGlobalFunc type of global tcc call
-type TccGlobalFunc func(tcc *Tcc) (interface{}, error)
+type TccGlobalFunc func(tcc *Tcc) (*resty.Response, error)
 
 // TccGlobalTransaction begin a tcc global transaction
 // dtm dtm服务器地址
diff --git a/dtmcli/xa.go b/dtmcli/xa.go
index 39f895d..db998d3 100644
--- a/dtmcli/xa.go
+++ b/dtmcli/xa.go
@@ -16,7 +16,7 @@ type M = map[string]interface{}
 var e2p = common.E2P
 
 // XaGlobalFunc type of xa global function
-type XaGlobalFunc func(xa *Xa) (interface{}, error)
+type XaGlobalFunc func(xa *Xa) (*resty.Response, error)
 
 // XaLocalFunc type of xa local function
 type XaLocalFunc func(db *sql.DB, xa *Xa) (interface{}, error)
diff --git a/dtmsvr/trans_tcc_barrier_test.go b/dtmsvr/trans_tcc_barrier_test.go
index 5375c86..4b46d06 100644
--- a/dtmsvr/trans_tcc_barrier_test.go
+++ b/dtmsvr/trans_tcc_barrier_test.go
@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/gin-gonic/gin"
+	"github.com/go-resty/resty/v2"
 	"github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
 	"github.com/yedf/dtm/common"
@@ -23,7 +24,7 @@ func TestTccBarrier(t *testing.T) {
 
 func tccBarrierRollback(t *testing.T) {
 	gid := "tccBarrierRollback"
-	resp, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (interface{}, error) {
+	resp, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (*resty.Response, error) {
 		resp, err := tcc.CallBranch(&examples.TransReq{Amount: 30}, Busi+"/TccBTransOutTry", Busi+"/TccBTransOutConfirm", Busi+"/TccBTransOutCancel")
 		assert.True(t, !dtmcli.IsFailure(resp, err))
 		return tcc.CallBranch(&examples.TransReq{Amount: 30, TransInResult: "FAILURE"}, Busi+"/TccBTransInTry", Busi+"/TccBTransInConfirm", Busi+"/TccBTransInCancel")
@@ -35,7 +36,7 @@ func tccBarrierRollback(t *testing.T) {
 
 func tccBarrierNormal(t *testing.T) {
 	gid := "tccBarrierNormal"
-	resp, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (interface{}, error) {
+	resp, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (*resty.Response, error) {
 		resp, err := tcc.CallBranch(&examples.TransReq{Amount: 30}, Busi+"/TccBTransOutTry", Busi+"/TccBTransOutConfirm", Busi+"/TccBTransOutCancel")
 		assert.True(t, !dtmcli.IsFailure(resp, err))
 		return tcc.CallBranch(&examples.TransReq{Amount: 30}, Busi+"/TccBTransInTry", Busi+"/TccBTransInConfirm", Busi+"/TccBTransInCancel")
@@ -49,7 +50,7 @@ func tccBarrierDisorder(t *testing.T) {
 	timeoutChan := make(chan string, 2)
 	finishedChan := make(chan string, 2)
 	gid := "tccBarrierDisorder"
-	_, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (interface{}, error) {
+	_, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (*resty.Response, error) {
 		body := &examples.TransReq{Amount: 30}
 		tryURL := Busi + "/TccBTransOutTry"
 		confirmURL := Busi + "/TccBTransOutConfirm"
diff --git a/dtmsvr/trans_tcc_test.go b/dtmsvr/trans_tcc_test.go
index 1a6666f..dc1833e 100644
--- a/dtmsvr/trans_tcc_test.go
+++ b/dtmsvr/trans_tcc_test.go
@@ -4,6 +4,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/go-resty/resty/v2"
 	"github.com/stretchr/testify/assert"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/examples"
@@ -18,7 +19,7 @@ func TestTcc(t *testing.T) {
 func tccNormal(t *testing.T) {
 	data := &examples.TransReq{Amount: 30}
 	gid := "tccNormal"
-	ret, err := dtmcli.TccGlobalTransaction(examples.DtmServer, gid, func(tcc *dtmcli.Tcc) (interface{}, error) {
+	ret, err := dtmcli.TccGlobalTransaction(examples.DtmServer, gid, func(tcc *dtmcli.Tcc) (*resty.Response, error) {
 		resp, err := tcc.CallBranch(data, Busi+"/TransOut", Busi+"/TransOutConfirm", Busi+"/TransOutRevert")
 		if dtmcli.IsFailure(resp, err) {
 			return resp, err
@@ -31,7 +32,7 @@ func tccNormal(t *testing.T) {
 func tccRollback(t *testing.T) {
 	gid := "tccRollback"
 	data := &examples.TransReq{Amount: 30, TransInResult: "FAILURE"}
-	resp, err := dtmcli.TccGlobalTransaction(examples.DtmServer, gid, func(tcc *dtmcli.Tcc) (interface{}, error) {
+	resp, err := dtmcli.TccGlobalTransaction(examples.DtmServer, gid, func(tcc *dtmcli.Tcc) (*resty.Response, error) {
 		resp, rerr := tcc.CallBranch(data, Busi+"/TransOut", Busi+"/TransOutConfirm", Busi+"/TransOutRevert")
 		assert.True(t, !dtmcli.IsFailure(resp, rerr))
 		examples.MainSwitch.TransOutRevertResult.SetOnce("PENDING")
diff --git a/dtmsvr/trans_xa_test.go b/dtmsvr/trans_xa_test.go
index 846ca39..167603a 100644
--- a/dtmsvr/trans_xa_test.go
+++ b/dtmsvr/trans_xa_test.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/go-resty/resty/v2"
 	"github.com/stretchr/testify/assert"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/examples"
@@ -19,7 +20,7 @@ func TestXa(t *testing.T) {
 }
 
 func xaLocalError(t *testing.T) {
-	_, err := examples.XaClient.XaGlobalTransaction("xaLocalError", func(xa *dtmcli.Xa) (interface{}, error) {
+	_, err := examples.XaClient.XaGlobalTransaction("xaLocalError", func(xa *dtmcli.Xa) (*resty.Response, error) {
 		return nil, fmt.Errorf("an error")
 	})
 	assert.Error(t, err, fmt.Errorf("an error"))
@@ -28,7 +29,7 @@ func xaLocalError(t *testing.T) {
 func xaNormal(t *testing.T) {
 	xc := examples.XaClient
 	gid := "xaNormal"
-	res, err := xc.XaGlobalTransaction(gid, func(xa *dtmcli.Xa) (interface{}, error) {
+	res, err := xc.XaGlobalTransaction(gid, func(xa *dtmcli.Xa) (*resty.Response, error) {
 		req := examples.GenTransReq(30, false, false)
 		resp, err := xa.CallBranch(req, examples.Busi+"/TransOutXa")
 		if dtmcli.IsFailure(resp, err) {
@@ -44,7 +45,7 @@ func xaNormal(t *testing.T) {
 func xaRollback(t *testing.T) {
 	xc := examples.XaClient
 	gid := "xaRollback"
-	res, err := xc.XaGlobalTransaction(gid, func(xa *dtmcli.Xa) (interface{}, error) {
+	res, err := xc.XaGlobalTransaction(gid, func(xa *dtmcli.Xa) (*resty.Response, error) {
 		req := &examples.TransReq{Amount: 30, TransInResult: "FAILURE"}
 		resp, err := xa.CallBranch(req, examples.Busi+"/TransOutXa")
 		if dtmcli.IsFailure(resp, err) {
diff --git a/examples/main_tcc.go b/examples/main_tcc.go
index fd7f182..97c49dc 100644
--- a/examples/main_tcc.go
+++ b/examples/main_tcc.go
@@ -2,6 +2,7 @@ package examples
 
 import (
 	"github.com/gin-gonic/gin"
+	"github.com/go-resty/resty/v2"
 	"github.com/sirupsen/logrus"
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
@@ -20,7 +21,7 @@ func TccSetup(app *gin.Engine) {
 // TccFireRequestNested 1
 func TccFireRequestNested() string {
 	gid := dtmcli.MustGenGid(DtmServer)
-	ret, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (interface{}, error) {
+	ret, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (*resty.Response, error) {
 		resp, err := tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransOut", Busi+"/TransOutConfirm", Busi+"/TransOutRevert")
 		if dtmcli.IsFailure(resp, err) {
 			return resp, err
@@ -35,7 +36,7 @@ func TccFireRequestNested() string {
 func TccFireRequest() string {
 	logrus.Printf("tcc simple transaction begin")
 	gid := dtmcli.MustGenGid(DtmServer)
-	ret, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (interface{}, error) {
+	ret, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (*resty.Response, error) {
 		resp, err := tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransOut", Busi+"/TransOutConfirm", Busi+"/TransOutRevert")
 		if dtmcli.IsFailure(resp, err) {
 			return resp, err
diff --git a/examples/main_tcc_barrier.go b/examples/main_tcc_barrier.go
index c7d973e..4831b1d 100644
--- a/examples/main_tcc_barrier.go
+++ b/examples/main_tcc_barrier.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/gin-gonic/gin"
+	"github.com/go-resty/resty/v2"
 	"github.com/sirupsen/logrus"
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
@@ -14,7 +15,7 @@ import (
 func TccBarrierFireRequest() string {
 	logrus.Printf("tcc transaction begin")
 	gid := dtmcli.MustGenGid(DtmServer)
-	ret, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (interface{}, error) {
+	ret, err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (*resty.Response, error) {
 		resp, err := tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TccBTransOutTry", Busi+"/TccBTransOutConfirm", Busi+"/TccBTransOutCancel")
 		if dtmcli.IsFailure(resp, err) {
 			return resp, err
diff --git a/examples/main_xa.go b/examples/main_xa.go
index aa0a859..36c4c75 100644
--- a/examples/main_xa.go
+++ b/examples/main_xa.go
@@ -4,6 +4,7 @@ import (
 	"database/sql"
 
 	"github.com/gin-gonic/gin"
+	"github.com/go-resty/resty/v2"
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 )
@@ -27,7 +28,7 @@ func XaSetup(app *gin.Engine) {
 // XaFireRequest 注册全局XA事务，调用XA的分支
 func XaFireRequest() string {
 	gid := dtmcli.MustGenGid(DtmServer)
-	res, err := XaClient.XaGlobalTransaction(gid, func(xa *dtmcli.Xa) (interface{}, error) {
+	res, err := XaClient.XaGlobalTransaction(gid, func(xa *dtmcli.Xa) (*resty.Response, error) {
 		resp, err := xa.CallBranch(&TransReq{Amount: 30}, Busi+"/TransOutXa")
 		if dtmcli.IsFailure(resp, err) {
 			return resp, err