diff --git a/app/main.go b/app/main.go
index aa87722..3382911 100644
--- a/app/main.go
+++ b/app/main.go
@@ -16,6 +16,7 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmsvr"
 	"github.com/yedf/dtm/dtmsvr/storage/registry"
 	"github.com/yedf/dtm/examples"
@@ -75,7 +76,7 @@ func main() {
 		examples.BaseAppStartup()
 
 		sample := examples.Samples[os.Args[1]]
-		dtmimp.LogIfFatalf(sample == nil, "no sample name for %s", os.Args[1])
+		logger.FatalfIf(sample == nil, "no sample name for %s", os.Args[1])
 		sample.Action()
 	}
 	select {}
diff --git a/bench/http.go b/bench/http.go
index 8a6a470..2e8389c 100644
--- a/bench/http.go
+++ b/bench/http.go
@@ -17,6 +17,7 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmsvr"
 	"github.com/yedf/dtm/examples"
 )
@@ -32,14 +33,14 @@ var benchBusi = fmt.Sprintf("http://localhost:%d%s", benchPort, benchAPI)
 
 func sdbGet() *sql.DB {
 	db, err := dtmimp.PooledDB(common.Config.Store.GetDBConf())
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	return db
 }
 
 func txGet() *sql.Tx {
 	db := sdbGet()
 	tx, err := db.Begin()
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	return tx
 }
 
@@ -50,7 +51,7 @@ func reloadData() {
 	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))
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 	}
 	s := "insert ignore into dtm_busi.user_account(user_id, balance) values "
 	ss := []string{}
@@ -58,7 +59,7 @@ func reloadData() {
 		ss = append(ss, fmt.Sprintf("(%d, 1000000)", i))
 	}
 	_, err := dtmimp.DBExec(db, s+strings.Join(ss, ","))
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	dtmimp.Logf("%d users inserted. used: %dms", total, time.Since(began).Milliseconds())
 }
 
@@ -74,7 +75,7 @@ func StartSvr() {
 	go app.Run(fmt.Sprintf(":%d", benchPort))
 	db := sdbGet()
 	_, err := dtmimp.DBExec(db, "drop table if exists dtm_busi.user_account_log")
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	_, err = dtmimp.DBExec(db, `create table if not exists dtm_busi.user_account_log (
 	id      INT(11) AUTO_INCREMENT PRIMARY KEY,
 	user_id INT(11) NOT NULL,
@@ -89,7 +90,7 @@ func StartSvr() {
 	key(create_time)
 )
 `)
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 }
 
 func qsAdjustBalance(uid int, amount int, c *gin.Context) (interface{}, error) {
@@ -101,21 +102,21 @@ func qsAdjustBalance(uid int, amount int, c *gin.Context) (interface{}, 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(?,?,?,?,?,?)",
 				uid, amount, tb.Gid, c.Query("branch_id"), tb.TransType, fmt.Sprintf("inserted by dtm transaction %s %s", tb.Gid, c.Query("branch_id")))
-			dtmimp.FatalIfError(err)
+			logger.FatalIfError(err)
 			_, err = dtmimp.DBExec(tx, "update dtm_busi.user_account set balance = balance + ?, update_time = now() where user_id = ?", amount, uid)
-			dtmimp.FatalIfError(err)
+			logger.FatalIfError(err)
 		}
 		return nil
 	}
 	if strings.Contains(mode, "barrier") {
 		barrier, err := dtmcli.BarrierFromQuery(c.Request.URL.Query())
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		barrier.Call(txGet(), f)
 	} else {
 		tx := txGet()
 		f(tx)
 		err := tx.Commit()
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 	}
 
 	return dtmcli.MapSuccess, nil
diff --git a/common/config.go b/common/config.go
index afc5852..6a0838a 100644
--- a/common/config.go
+++ b/common/config.go
@@ -8,6 +8,7 @@ import (
 
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"gopkg.in/yaml.v2"
 )
 
@@ -82,13 +83,13 @@ func MustLoadConfig() {
 	}
 	if len(cont) != 0 {
 		err := yaml.UnmarshalStrict(cont, &Config)
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 	}
 	scont, err := json.MarshalIndent(&Config, "", "  ")
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	dtmimp.Logf("config is: \n%s", scont)
 	err = checkConfig()
-	dtmimp.LogIfFatalf(err != nil, `config error: '%v'.
+	logger.FatalfIf(err != nil, `config error: '%v'.
 	check you env, and conf.yml/conf.sample.yml in current and parent path: %s.
 	please visit http://d.dtm.pub to see the config document.
 	loaded config is:
diff --git a/common/utils.go b/common/utils.go
index 9465a6c..5e690d9 100644
--- a/common/utils.go
+++ b/common/utils.go
@@ -20,6 +20,7 @@ import (
 
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 // GetGinApp init and return gin
@@ -105,10 +106,10 @@ func GetNextTime(second int64) *time.Time {
 // RunSQLScript 1
 func RunSQLScript(conf dtmcli.DBConf, script string, skipDrop bool) {
 	con, err := dtmimp.StandaloneDB(conf)
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	defer func() { con.Close() }()
 	content, err := ioutil.ReadFile(script)
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	sqls := strings.Split(string(content), ";")
 	for _, sql := range sqls {
 		s := strings.TrimSpace(sql)
@@ -116,6 +117,6 @@ func RunSQLScript(conf dtmcli.DBConf, script string, skipDrop bool) {
 			continue
 		}
 		_, err = dtmimp.DBExec(con, s)
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 	}
 }
diff --git a/dtmcli/dtmimp/utils.go b/dtmcli/dtmimp/utils.go
index 693f08d..eb264bf 100644
--- a/dtmcli/dtmimp/utils.go
+++ b/dtmcli/dtmimp/utils.go
@@ -11,23 +11,36 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"log"
 	"os"
 	"runtime"
-	"runtime/debug"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
 
 	"github.com/go-resty/resty/v2"
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
+// Logf an alias of Infof
+// Deprecated: use logger.Errorf
+var Logf = logger.Infof
+
+// LogRedf an alias of Errorf
+// Deprecated: use logger.Errorf
+var LogRedf = logger.Errorf
+
+// FatalIfError fatal if error is not nil
+// Deprecated: use logger.FatalIfError
+var FatalIfError = logger.FatalIfError
+
+// LogIfFatalf fatal if cond is true
+// Deprecated: use logger.FatalfIf
+var LogIfFatalf = logger.FatalfIf
+
 // AsError wrap a panic value as an error
 func AsError(x interface{}) error {
-	LogRedf("panic wrapped to error: '%v'", x)
+	logger.Errorf("panic wrapped to error: '%v'", x)
 	if e, ok := x.(error); ok {
 		return e
 	}
@@ -120,59 +133,6 @@ func MustRemarshal(from interface{}, to interface{}) {
 	E2P(err)
 }
 
-var logger *zap.SugaredLogger = nil
-
-func init() {
-	InitLog()
-}
-
-// InitLog is a initialization for a logger
-func InitLog() {
-	config := zap.NewProductionConfig()
-	config.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
-	if os.Getenv("DTM_DEBUG") != "" {
-		config.Encoding = "console"
-		config.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
-	}
-	p, err := config.Build(zap.AddCallerSkip(1))
-	if err != nil {
-		log.Fatal("create logger failed: ", err)
-	}
-	logger = p.Sugar()
-}
-
-// Logf is log stdout
-func Logf(fmt string, args ...interface{}) {
-	logger.Infof(fmt, args...)
-}
-
-// LogRedf is print error message with red color
-func LogRedf(fmt string, args ...interface{}) {
-	logger.Errorf(fmt, args...)
-}
-
-// FatalExitFunc is a Fatal exit function ，it will be replaced when testing
-var FatalExitFunc = func() { os.Exit(1) }
-
-// LogFatalf is print error message with red color, and execute FatalExitFunc
-func LogFatalf(fmt string, args ...interface{}) {
-	fmt += "\n" + string(debug.Stack())
-	LogRedf(fmt, args...)
-	FatalExitFunc()
-}
-
-// LogIfFatalf is print error message with red color, and execute LogFatalf, when condition is true
-func LogIfFatalf(condition bool, fmt string, args ...interface{}) {
-	if condition {
-		LogFatalf(fmt, args...)
-	}
-}
-
-// FatalIfError is print error message with red color, and execute LogIfFatalf.
-func FatalIfError(err error) {
-	LogIfFatalf(err != nil, "Fatal error: %v", err)
-}
-
 // GetFuncName get current call func name
 func GetFuncName() string {
 	pc, _, _, _ := runtime.Caller(1)
@@ -223,9 +183,9 @@ func DBExec(db DB, sql string, values ...interface{}) (affected int64, rerr erro
 	used := time.Since(began) / time.Millisecond
 	if rerr == nil {
 		affected, rerr = r.RowsAffected()
-		Logf("used: %d ms affected: %d for %s %v", used, affected, sql, values)
+		logger.Debugf("used: %d ms affected: %d for %s %v", used, affected, sql, values)
 	} else {
-		LogRedf("used: %d ms exec error: %v for %s %v", used, rerr, sql, values)
+		logger.Errorf("used: %d ms exec error: %v for %s %v", used, rerr, sql, values)
 	}
 	return
 }
@@ -258,7 +218,7 @@ func CheckResponse(resp *resty.Response, err error) error {
 	return err
 }
 
-// CheckResult is check result. Return err directly if err is not nil. And return corresponding error by calling CheckResponse if resp is the type of *resty.Response. 
+// CheckResult is check result. Return err directly if err is not nil. And return corresponding error by calling CheckResponse if resp is the type of *resty.Response.
 // Otherwise, return error by value of str, the string after marshal.
 func CheckResult(res interface{}, err error) error {
 	if err != nil {
diff --git a/dtmcli/dtmimp/utils_test.go b/dtmcli/dtmimp/utils_test.go
index 1625ced..167560c 100644
--- a/dtmcli/dtmimp/utils_test.go
+++ b/dtmcli/dtmimp/utils_test.go
@@ -8,7 +8,6 @@ package dtmimp
 
 import (
 	"errors"
-	"fmt"
 	"os"
 	"strings"
 	"testing"
@@ -80,20 +79,3 @@ func TestSome(t *testing.T) {
 	s2 := MayReplaceLocalhost("http://localhost")
 	assert.Equal(t, "http://localhost", s2)
 }
-
-func TestFatal(t *testing.T) {
-	old := FatalExitFunc
-	defer func() {
-		FatalExitFunc = old
-	}()
-	FatalExitFunc = func() { panic(fmt.Errorf("fatal")) }
-	err := CatchP(func() {
-		LogIfFatalf(true, "")
-	})
-	assert.Error(t, err, fmt.Errorf("fatal"))
-}
-
-func TestInitLog(t *testing.T) {
-	os.Setenv("DTM_DEBUG", "1")
-	InitLog()
-}
diff --git a/dtmsvr/svr.go b/dtmsvr/svr.go
index ac0dbf2..de67eeb 100644
--- a/dtmsvr/svr.go
+++ b/dtmsvr/svr.go
@@ -14,6 +14,7 @@ import (
 	grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmgrpc/dtmgimp"
 	"github.com/yedf/dtm/dtmgrpc/dtmgpb"
 	"github.com/yedf/dtmdriver"
@@ -30,7 +31,7 @@ func StartSvr() {
 	go app.Run(fmt.Sprintf(":%d", config.HttpPort))
 
 	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", config.GrpcPort))
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	s := grpc.NewServer(
 		grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
 			grpc.UnaryServerInterceptor(grpcMetrics), grpc.UnaryServerInterceptor(dtmgimp.GrpcServerLog)),
@@ -39,15 +40,15 @@ func StartSvr() {
 	dtmimp.Logf("grpc listening at %v", lis.Addr())
 	go func() {
 		err := s.Serve(lis)
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 	}()
 	go updateBranchAsync()
 
 	time.Sleep(100 * time.Millisecond)
 	err = dtmdriver.Use(config.MicroService.Driver)
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	err = dtmdriver.GetDriver().RegisterGrpcService(config.MicroService.Target, config.MicroService.EndPoint)
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 }
 
 // PopulateDB setup mysql data
diff --git a/examples/base_grpc.go b/examples/base_grpc.go
index 3bff6a5..6be8aef 100644
--- a/examples/base_grpc.go
+++ b/examples/base_grpc.go
@@ -16,6 +16,7 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmgrpc"
 
 	"github.com/yedf/dtm/dtmgrpc/dtmgimp"
@@ -44,18 +45,18 @@ func init() {
 // GrpcStartup for grpc
 func GrpcStartup() {
 	conn, err := grpc.Dial(DtmGrpcServer, grpc.WithInsecure(), grpc.WithUnaryInterceptor(dtmgimp.GrpcClientLog))
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	DtmClient = dtmgpb.NewDtmClient(conn)
 	dtmimp.Logf("dtm client inited")
 
 	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", BusiGrpcPort))
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	s := grpc.NewServer(grpc.UnaryInterceptor(dtmgimp.GrpcServerLog))
 	RegisterBusiServer(s, &busiServer{})
 	go func() {
 		dtmimp.Logf("busi grpc listening at %v", lis.Addr())
 		err := s.Serve(lis)
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 	}()
 	time.Sleep(100 * time.Millisecond)
 }
@@ -137,9 +138,9 @@ func (s *busiServer) TransOutXa(ctx context.Context, in *BusiReq) (*emptypb.Empt
 
 func (s *busiServer) TransInTccNested(ctx context.Context, in *BusiReq) (*emptypb.Empty, error) {
 	tcc, err := dtmgrpc.TccFromGrpc(ctx)
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	r := &emptypb.Empty{}
 	err = tcc.CallBranch(in, BusiGrpc+"/examples.Busi/TransIn", BusiGrpc+"/examples.Busi/TransInConfirm", BusiGrpc+"/examples.Busi/TransInRevert", r)
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	return r, handleGrpcBusiness(in, MainSwitch.TransInResult.Fetch(), in.TransInResult, dtmimp.GetFuncName())
 }
diff --git a/examples/base_types.go b/examples/base_types.go
index a40f491..f906b4a 100644
--- a/examples/base_types.go
+++ b/examples/base_types.go
@@ -15,6 +15,7 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmgrpc"
 )
 
@@ -58,7 +59,7 @@ func reqFrom(c *gin.Context) *TransReq {
 	if !ok {
 		req := TransReq{}
 		err := c.BindJSON(&req)
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		c.Set("trans_req", &req)
 		v = &req
 	}
@@ -81,27 +82,27 @@ func dbGet() *common.DB {
 
 func sdbGet() *sql.DB {
 	db, err := dtmimp.PooledDB(config.ExamplesDB)
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	return db
 }
 
 func txGet() *sql.Tx {
 	db := sdbGet()
 	tx, err := db.Begin()
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	return tx
 }
 
 // MustBarrierFromGin 1
 func MustBarrierFromGin(c *gin.Context) *dtmcli.BranchBarrier {
 	ti, err := dtmcli.BarrierFromQuery(c.Request.URL.Query())
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	return ti
 }
 
 // MustBarrierFromGrpc 1
 func MustBarrierFromGrpc(ctx context.Context) *dtmcli.BranchBarrier {
 	ti, err := dtmgrpc.BarrierFromGrpc(ctx)
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	return ti
 }
diff --git a/examples/data.go b/examples/data.go
index b0459c4..0a4f52c 100644
--- a/examples/data.go
+++ b/examples/data.go
@@ -10,7 +10,7 @@ import (
 	"fmt"
 
 	"github.com/yedf/dtm/common"
-	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 var config = &common.Config
@@ -50,6 +50,6 @@ type sampleInfo struct {
 var Samples = map[string]*sampleInfo{}
 
 func addSample(name string, fn func() string) {
-	dtmimp.LogIfFatalf(Samples[name] != nil, "%s already exists", name)
+	logger.FatalfIf(Samples[name] != nil, "%s already exists", name)
 	Samples[name] = &sampleInfo{Arg: name, Action: fn}
 }
diff --git a/examples/grpc_msg.go b/examples/grpc_msg.go
index 670e8e6..2bbe650 100644
--- a/examples/grpc_msg.go
+++ b/examples/grpc_msg.go
@@ -7,7 +7,7 @@
 package examples
 
 import (
-	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	dtmgrpc "github.com/yedf/dtm/dtmgrpc"
 )
 
@@ -19,7 +19,7 @@ func init() {
 			Add(BusiGrpc+"/examples.Busi/TransOut", req).
 			Add(BusiGrpc+"/examples.Busi/TransIn", req)
 		err := msg.Submit()
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return msg.Gid
 	})
 }
diff --git a/examples/grpc_saga.go b/examples/grpc_saga.go
index fad3d8f..3a29de4 100644
--- a/examples/grpc_saga.go
+++ b/examples/grpc_saga.go
@@ -7,7 +7,7 @@
 package examples
 
 import (
-	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	dtmgrpc "github.com/yedf/dtm/dtmgrpc"
 )
 
@@ -19,7 +19,7 @@ func init() {
 			Add(BusiGrpc+"/examples.Busi/TransOut", BusiGrpc+"/examples.Busi/TransOutRevert", req).
 			Add(BusiGrpc+"/examples.Busi/TransIn", BusiGrpc+"/examples.Busi/TransOutRevert", req)
 		err := saga.Submit()
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return saga.Gid
 	})
 	addSample("grpc_saga_wait", func() string {
@@ -30,7 +30,7 @@ func init() {
 			Add(BusiGrpc+"/examples.Busi/TransIn", BusiGrpc+"/examples.Busi/TransOutRevert", req)
 		saga.WaitResult = true
 		err := saga.Submit()
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return saga.Gid
 	})
 }
diff --git a/examples/grpc_saga_barrier.go b/examples/grpc_saga_barrier.go
index 777b236..892e140 100644
--- a/examples/grpc_saga_barrier.go
+++ b/examples/grpc_saga_barrier.go
@@ -12,6 +12,7 @@ import (
 
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmgrpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
@@ -26,7 +27,7 @@ func init() {
 			Add(BusiGrpc+"/examples.Busi/TransOutBSaga", BusiGrpc+"/examples.Busi/TransOutRevertBSaga", req).
 			Add(BusiGrpc+"/examples.Busi/TransInBSaga", BusiGrpc+"/examples.Busi/TransInRevertBSaga", req)
 		err := saga.Submit()
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return saga.Gid
 	})
 }
diff --git a/examples/grpc_tcc.go b/examples/grpc_tcc.go
index a806983..6bf8cf1 100644
--- a/examples/grpc_tcc.go
+++ b/examples/grpc_tcc.go
@@ -8,6 +8,7 @@ package examples
 
 import (
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	dtmgrpc "github.com/yedf/dtm/dtmgrpc"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
 )
@@ -26,7 +27,7 @@ func init() {
 			err = tcc.CallBranch(data, BusiGrpc+"/examples.Busi/TransInTcc", BusiGrpc+"/examples.Busi/TransInConfirm", BusiGrpc+"/examples.Busi/TransInRevert", r)
 			return err
 		})
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return gid
 	})
 }
diff --git a/examples/grpc_xa.go b/examples/grpc_xa.go
index 41aba41..c4f9d3c 100644
--- a/examples/grpc_xa.go
+++ b/examples/grpc_xa.go
@@ -9,7 +9,7 @@ package examples
 import (
 	context "context"
 
-	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmgrpc"
 	"google.golang.org/protobuf/types/known/emptypb"
 )
@@ -27,7 +27,7 @@ func init() {
 			err = xa.CallBranch(req, BusiGrpc+"/examples.Busi/TransInXa", r)
 			return err
 		})
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return gid
 	})
 }
diff --git a/examples/http_gorm_xa.go b/examples/http_gorm_xa.go
index 6034469..caacb79 100644
--- a/examples/http_gorm_xa.go
+++ b/examples/http_gorm_xa.go
@@ -9,7 +9,7 @@ package examples
 import (
 	"github.com/go-resty/resty/v2"
 	"github.com/yedf/dtm/dtmcli"
-	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 func init() {
@@ -22,7 +22,7 @@ func init() {
 			}
 			return xa.CallBranch(&TransReq{Amount: 30}, Busi+"/TransInXa")
 		})
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return gid
 	})
 
diff --git a/examples/http_msg.go b/examples/http_msg.go
index be0e9ac..59760df 100644
--- a/examples/http_msg.go
+++ b/examples/http_msg.go
@@ -9,6 +9,7 @@ package examples
 import (
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 func init() {
@@ -19,10 +20,10 @@ func init() {
 			Add(Busi+"/TransOut", req).
 			Add(Busi+"/TransIn", req)
 		err := msg.Prepare(Busi + "/query")
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		dtmimp.Logf("busi trans submit")
 		err = msg.Submit()
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return msg.Gid
 	})
 }
diff --git a/examples/http_saga.go b/examples/http_saga.go
index 54e2885..208d06d 100644
--- a/examples/http_saga.go
+++ b/examples/http_saga.go
@@ -9,6 +9,7 @@ package examples
 import (
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 func init() {
@@ -21,7 +22,7 @@ func init() {
 		dtmimp.Logf("saga busi trans submit")
 		err := saga.Submit()
 		dtmimp.Logf("result gid is: %s", saga.Gid)
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return saga.Gid
 	})
 	addSample("saga_wait", func() string {
@@ -33,7 +34,7 @@ func init() {
 		saga.SetOptions(&dtmcli.TransOptions{WaitResult: true})
 		err := saga.Submit()
 		dtmimp.Logf("result gid is: %s", saga.Gid)
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return saga.Gid
 	})
 	addSample("concurrent_saga", func() string {
@@ -50,7 +51,7 @@ func init() {
 		dtmimp.Logf("concurrent saga busi trans submit")
 		err := csaga.Submit()
 		dtmimp.Logf("result gid is: %s", csaga.Gid)
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return csaga.Gid
 	})
 }
diff --git a/examples/http_saga_barrier.go b/examples/http_saga_barrier.go
index c68aeb8..1b53bbe 100644
--- a/examples/http_saga_barrier.go
+++ b/examples/http_saga_barrier.go
@@ -13,6 +13,7 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 func init() {
@@ -30,7 +31,7 @@ func init() {
 			Add(Busi+"/SagaBTransIn", Busi+"/SagaBTransInCompensate", req)
 		dtmimp.Logf("busi trans submit")
 		err := saga.Submit()
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return saga.Gid
 	})
 }
diff --git a/examples/http_saga_gorm_barrier.go b/examples/http_saga_gorm_barrier.go
index 1f81c44..7b1e65f 100644
--- a/examples/http_saga_gorm_barrier.go
+++ b/examples/http_saga_gorm_barrier.go
@@ -13,6 +13,7 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 func init() {
@@ -27,7 +28,7 @@ func init() {
 			Add(Busi+"/SagaBTransIn", Busi+"/SagaBTransInCompensate", req)
 		dtmimp.Logf("busi trans submit")
 		err := saga.Submit()
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return saga.Gid
 	})
 
diff --git a/examples/http_tcc.go b/examples/http_tcc.go
index 49c949f..1692d3c 100644
--- a/examples/http_tcc.go
+++ b/examples/http_tcc.go
@@ -12,13 +12,14 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 func init() {
 	setupFuncs["TccSetupSetup"] = func(app *gin.Engine) {
 		app.POST(BusiAPI+"/TransInTccParent", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
 			tcc, err := dtmcli.TccFromQuery(c.Request.URL.Query())
-			dtmimp.FatalIfError(err)
+			logger.FatalIfError(err)
 			dtmimp.Logf("TransInTccParent ")
 			return tcc.CallBranch(&TransReq{Amount: reqFrom(c).Amount}, Busi+"/TransIn", Busi+"/TransInConfirm", Busi+"/TransInRevert")
 		}))
@@ -32,7 +33,7 @@ func init() {
 			}
 			return tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransInTccParent", Busi+"/TransInConfirm", Busi+"/TransInRevert")
 		})
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return gid
 	})
 	addSample("tcc", func() string {
@@ -45,7 +46,7 @@ func init() {
 			}
 			return tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransIn", Busi+"/TransInConfirm", Busi+"/TransInRevert")
 		})
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return gid
 	})
 }
diff --git a/examples/http_tcc_barrier.go b/examples/http_tcc_barrier.go
index 85e65da..ef52111 100644
--- a/examples/http_tcc_barrier.go
+++ b/examples/http_tcc_barrier.go
@@ -15,6 +15,7 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 func init() {
@@ -37,7 +38,7 @@ func init() {
 			}
 			return tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TccBTransInTry", Busi+"/TccBTransInConfirm", Busi+"/TccBTransInCancel")
 		})
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return gid
 	})
 }
diff --git a/examples/http_xa.go b/examples/http_xa.go
index 5ed0159..a288b45 100644
--- a/examples/http_xa.go
+++ b/examples/http_xa.go
@@ -11,7 +11,7 @@ import (
 	"github.com/go-resty/resty/v2"
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
-	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 // XaClient XA client connection
@@ -25,7 +25,7 @@ func init() {
 				return xa.HandleCallback(c.Query("gid"), c.Query("branch_id"), c.Query("op"))
 			}))
 		})
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 	}
 	addSample("xa", func() string {
 		gid := dtmcli.MustGenGid(DtmHttpServer)
@@ -36,7 +36,7 @@ func init() {
 			}
 			return xa.CallBranch(&TransReq{Amount: 30}, Busi+"/TransInXa")
 		})
-		dtmimp.FatalIfError(err)
+		logger.FatalIfError(err)
 		return gid
 	})
 }
diff --git a/examples/quick_start.go b/examples/quick_start.go
index e71d816..147d1dd 100644
--- a/examples/quick_start.go
+++ b/examples/quick_start.go
@@ -14,6 +14,7 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 // 启动命令：go run app/main.go qs
@@ -44,7 +45,7 @@ func QsFireRequest() string {
 		Add(qsBusi+"/TransIn", qsBusi+"/TransInCompensate", req)
 	// 提交saga事务，dtm会完成所有的子事务/回滚所有的子事务
 	err := saga.Submit()
-	dtmimp.FatalIfError(err)
+	logger.FatalIfError(err)
 	return saga.Gid
 }
 
diff --git a/test/types.go b/test/types.go
index 7c54b86..ef1fd40 100644
--- a/test/types.go
+++ b/test/types.go
@@ -12,6 +12,7 @@ import (
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmsvr"
 )
 
@@ -32,7 +33,7 @@ func waitTransProcessed(gid string) {
 		}
 		dtmimp.Logf("finish for gid %s", gid)
 	case <-time.After(time.Duration(time.Second * 3)):
-		dtmimp.LogFatalf("Wait Trans timeout")
+		logger.FatalfIf(true, "Wait Trans timeout")
 	}
 }