diff --git a/common/types_test.go b/common/types_test.go
index 44e177b..5f1e11d 100644
--- a/common/types_test.go
+++ b/common/types_test.go
@@ -3,7 +3,7 @@ package common
 import (
 	"testing"
 
-	"github.com/go-playground/assert/v2"
+	"github.com/stretchr/testify/assert"
 	"github.com/yedf/dtm/dtmcli"
 )
 
@@ -14,8 +14,7 @@ type testConfig struct {
 var config = testConfig{}
 
 func init() {
-	InitConfig(dtmcli.GetProjectDir(), &config)
-	config.DB["database"] = ""
+	InitConfig(&config)
 }
 
 func TestDb(t *testing.T) {
@@ -31,8 +30,9 @@ func TestDb(t *testing.T) {
 }
 
 func TestDbAlone(t *testing.T) {
-	db := dtmcli.SdbAlone(config.DB)
-	_, err := dtmcli.SdbExec(db, "select 1")
+	db, err := dtmcli.SdbAlone(config.DB)
+	assert.Nil(t, err)
+	_, err = dtmcli.SdbExec(db, "select 1")
 	assert.Equal(t, nil, err)
 	db.Close()
 	_, err = dtmcli.SdbExec(db, "select 1")
diff --git a/common/utils.go b/common/utils.go
index 4b00014..0ea402d 100644
--- a/common/utils.go
+++ b/common/utils.go
@@ -4,6 +4,9 @@ import (
 	"bytes"
 	"encoding/json"
 	"io/ioutil"
+	"os"
+	"path/filepath"
+	"runtime"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -59,14 +62,36 @@ func WrapHandler(fn func(*gin.Context) (interface{}, error)) gin.HandlerFunc {
 	}
 }
 
+// MustGetwd must version of os.Getwd
+func MustGetwd() string {
+	wd, err := os.Getwd()
+	dtmcli.E2P(err)
+	return wd
+}
+
+// GetCurrentCodeDir 获取当前源代码的目录，主要用于测试时，查找相关文件
+func GetCurrentCodeDir() string {
+	_, file, _, _ := runtime.Caller(1)
+	return filepath.Dir(file)
+}
+
 // InitConfig init config
-func InitConfig(dir string, config interface{}) {
-	cont, err := ioutil.ReadFile(dir + "/conf.yml")
-	if err != nil {
-		cont, err = ioutil.ReadFile(dir + "/conf.sample.yml")
+func InitConfig(config interface{}) {
+	cont := []byte{}
+	for d := MustGetwd(); d != ""; d = filepath.Dir(d) {
+		cont1, err := ioutil.ReadFile(d + "/conf.yml")
+		if err != nil {
+			cont1, err = ioutil.ReadFile(d + "/conf.sample.yml")
+		}
+		if cont1 != nil {
+			cont = cont1
+			break
+		}
+	}
+	if cont == nil {
+		dtmcli.LogFatalf("no config file conf.yml/conf.sample.yml found in current and parent path: %s", MustGetwd())
 	}
 	dtmcli.Logf("cont is: \n%s", string(cont))
-	dtmcli.E2P(err)
-	err = yaml.Unmarshal(cont, config)
-	dtmcli.E2P(err)
+	err := yaml.Unmarshal(cont, config)
+	dtmcli.FatalIfError(err)
 }
diff --git a/common/utils_test.go b/common/utils_test.go
index ff9b6ed..35b1461 100644
--- a/common/utils_test.go
+++ b/common/utils_test.go
@@ -30,3 +30,12 @@ func TestGin(t *testing.T) {
 	assert.Equal(t, "1", getResultString("/api/sample", nil))
 	assert.Equal(t, "{\"code\":500,\"message\":\"err1\"}", getResultString("/api/error", strings.NewReader("{}")))
 }
+
+func TestFuncs(t *testing.T) {
+	wd := MustGetwd()
+	assert.NotEqual(t, "", wd)
+
+	dir1 := GetCurrentCodeDir()
+	assert.Equal(t, true, strings.HasSuffix(dir1, "common"))
+
+}
diff --git a/dtmcli/types.go b/dtmcli/types.go
index a8dc62e..1d95054 100644
--- a/dtmcli/types.go
+++ b/dtmcli/types.go
@@ -1,13 +1,9 @@
 package dtmcli
 
 import (
-	"database/sql"
 	"errors"
 	"fmt"
 	"net/url"
-	"strings"
-
-	"github.com/go-resty/resty/v2"
 )
 
 // M a short name
@@ -26,94 +22,6 @@ func MustGenGid(server string) string {
 	return res["gid"]
 }
 
-var sqlDbs = map[string]*sql.DB{}
-
-// SdbGet get pooled sql.DB
-func SdbGet(conf map[string]string) *sql.DB {
-	dsn := GetDsn(conf)
-	if sqlDbs[dsn] == nil {
-		sqlDbs[dsn] = SdbAlone(conf)
-	}
-	return sqlDbs[dsn]
-}
-
-// SdbAlone get a standalone db connection
-func SdbAlone(conf map[string]string) *sql.DB {
-	dsn := GetDsn(conf)
-	Logf("opening alone %s: %s", conf["driver"], strings.Replace(dsn, conf["password"], "****", 1))
-	mdb, err := sql.Open(conf["driver"], dsn)
-	E2P(err)
-	return mdb
-}
-
-// SdbExec use raw db to exec
-func SdbExec(db *sql.DB, sql string, values ...interface{}) (affected int64, rerr error) {
-	r, rerr := db.Exec(sql, values...)
-	if rerr == nil {
-		affected, rerr = r.RowsAffected()
-		Logf("affected: %d for %s %v", affected, sql, values)
-	} else {
-		LogRedf("exec error: %v for %s %v", rerr, sql, values)
-	}
-	return
-}
-
-// StxExec use raw tx to exec
-func StxExec(tx *sql.Tx, sql string, values ...interface{}) (affected int64, rerr error) {
-	r, rerr := tx.Exec(sql, values...)
-	if rerr == nil {
-		affected, rerr = r.RowsAffected()
-		Logf("affected: %d for %s %v", affected, sql, values)
-	} else {
-		LogRedf("exec error: %v for %s %v", rerr, sql, values)
-	}
-	return
-}
-
-// StxQueryRow use raw tx to query row
-func StxQueryRow(tx *sql.Tx, query string, args ...interface{}) *sql.Row {
-	Logf("querying: "+query, args...)
-	return tx.QueryRow(query, args...)
-}
-
-// GetDsn get dsn from map config
-func GetDsn(conf map[string]string) string {
-	conf["host"] = MayReplaceLocalhost(conf["host"])
-	driver := conf["driver"]
-	dsn := MS{
-		"mysql": fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true&loc=Local",
-			conf["user"], conf["password"], conf["host"], conf["port"], conf["database"]),
-		"postgres": fmt.Sprintf("host=%s user=%s password=%s dbname='%s' port=%s sslmode=disable TimeZone=Asia/Shanghai",
-			conf["host"], conf["user"], conf["password"], conf["database"], conf["port"]),
-	}[driver]
-	PanicIf(dsn == "", fmt.Errorf("unknow driver: %s", driver))
-	return dsn
-}
-
-// CheckResponse 检查Response，返回错误
-func CheckResponse(resp *resty.Response, err error) error {
-	if err == nil && resp != nil {
-		if resp.IsError() {
-			return errors.New(resp.String())
-		} else if strings.Contains(resp.String(), "FAILURE") {
-			return ErrFailure
-		}
-	}
-	return err
-}
-
-// CheckResult 检查Result，返回错误
-func CheckResult(res interface{}, err error) error {
-	resp, ok := res.(*resty.Response)
-	if ok {
-		return CheckResponse(resp, err)
-	}
-	if res != nil && strings.Contains(MustMarshalString(res), "FAILURE") {
-		return ErrFailure
-	}
-	return err
-}
-
 // IDGenerator used to generate a branch id
 type IDGenerator struct {
 	parentID string
diff --git a/dtmcli/types_test.go b/dtmcli/types_test.go
index bc87bbc..5cdb5a1 100644
--- a/dtmcli/types_test.go
+++ b/dtmcli/types_test.go
@@ -17,7 +17,12 @@ func TestTypes(t *testing.T) {
 		idGen := IDGenerator{branchID: 99}
 		idGen.NewBranchID()
 	})
+	err = CatchP(func() {
+		MustGenGid("http://localhost:8080/api/no")
+	})
+	assert.Error(t, err)
 	assert.Error(t, err)
 	_, err = TransInfoFromQuery(url.Values{})
 	assert.Error(t, err)
+
 }
diff --git a/dtmcli/common.go b/dtmcli/utils.go
similarity index 53%
rename from dtmcli/common.go
rename to dtmcli/utils.go
index aed8c0e..7815756 100644
--- a/dtmcli/common.go
+++ b/dtmcli/utils.go
@@ -1,12 +1,12 @@
 package dtmcli
 
 import (
+	"database/sql"
 	"encoding/json"
 	"errors"
 	"fmt"
 	"os"
 	"path"
-	"path/filepath"
 	"runtime"
 	"strconv"
 	"strings"
@@ -126,6 +126,21 @@ func LogRedf(fmt string, args ...interface{}) {
 	Logf("\x1b[31m\n"+fmt+"\x1b[0m\n", args...)
 }
 
+// LogFatalf 采用红色打印错误类信息， 并退出
+func LogFatalf(fmt string, args ...interface{}) {
+	Logf("\x1b[31m\n"+fmt+"\x1b[0m\n", args...)
+	os.Exit(1)
+}
+
+// FatalIfError 采用红色打印错误类信息， 并退出
+func FatalIfError(err error) {
+	if err == nil {
+		return
+	}
+	Logf("\x1b[31m\nFatal error: %v\x1b[0m\n", err)
+	os.Exit(1)
+}
+
 // RestyClient the resty object
 var RestyClient = resty.New()
 
@@ -145,35 +160,6 @@ func init() {
 	})
 }
 
-// CheckRestySuccess panic if error or resp not success
-func CheckRestySuccess(resp *resty.Response, err error) {
-	E2P(err)
-	if !strings.Contains(resp.String(), "SUCCESS") {
-		panic(fmt.Errorf("resty response not success: %s", resp.String()))
-	}
-}
-
-// MustGetwd must version of os.Getwd
-func MustGetwd() string {
-	wd, err := os.Getwd()
-	E2P(err)
-	return wd
-}
-
-// GetCurrentCodeDir name is clear
-func GetCurrentCodeDir() string {
-	_, file, _, _ := runtime.Caller(1)
-	return filepath.Dir(file)
-}
-
-// GetProjectDir name is clear
-func GetProjectDir() string {
-	_, file, _, _ := runtime.Caller(1)
-	for ; !strings.HasSuffix(file, "/dtm"); file = filepath.Dir(file) {
-	}
-	return file
-}
-
 // GetFuncName get current call func name
 func GetFuncName() string {
 	pc, _, _, _ := runtime.Caller(1)
@@ -187,3 +173,93 @@ func MayReplaceLocalhost(host string) string {
 	}
 	return host
 }
+
+var sqlDbs = map[string]*sql.DB{}
+
+// SdbGet get pooled sql.DB
+func SdbGet(conf map[string]string) (*sql.DB, error) {
+	dsn := GetDsn(conf)
+	if sqlDbs[dsn] == nil {
+		db, err := SdbAlone(conf)
+		if err != nil {
+			return nil, err
+		}
+		sqlDbs[dsn] = db
+	}
+	return sqlDbs[dsn], nil
+}
+
+// SdbAlone get a standalone db connection
+func SdbAlone(conf map[string]string) (*sql.DB, error) {
+	dsn := GetDsn(conf)
+	Logf("opening alone %s: %s", conf["driver"], strings.Replace(dsn, conf["password"], "****", 1))
+	return sql.Open(conf["driver"], dsn)
+}
+
+// SdbExec use raw db to exec
+func SdbExec(db *sql.DB, sql string, values ...interface{}) (affected int64, rerr error) {
+	r, rerr := db.Exec(sql, values...)
+	if rerr == nil {
+		affected, rerr = r.RowsAffected()
+		Logf("affected: %d for %s %v", affected, sql, values)
+	} else {
+		LogRedf("exec error: %v for %s %v", rerr, sql, values)
+	}
+	return
+}
+
+// StxExec use raw tx to exec
+func StxExec(tx *sql.Tx, sql string, values ...interface{}) (affected int64, rerr error) {
+	r, rerr := tx.Exec(sql, values...)
+	if rerr == nil {
+		affected, rerr = r.RowsAffected()
+		Logf("affected: %d for %s %v", affected, sql, values)
+	} else {
+		LogRedf("exec error: %v for %s %v", rerr, sql, values)
+	}
+	return
+}
+
+// StxQueryRow use raw tx to query row
+func StxQueryRow(tx *sql.Tx, query string, args ...interface{}) *sql.Row {
+	Logf("querying: "+query, args...)
+	return tx.QueryRow(query, args...)
+}
+
+// GetDsn get dsn from map config
+func GetDsn(conf map[string]string) string {
+	conf["host"] = MayReplaceLocalhost(conf["host"])
+	driver := conf["driver"]
+	dsn := MS{
+		"mysql": fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true&loc=Local",
+			conf["user"], conf["password"], conf["host"], conf["port"], conf["database"]),
+		"postgres": fmt.Sprintf("host=%s user=%s password=%s dbname='%s' port=%s sslmode=disable TimeZone=Asia/Shanghai",
+			conf["host"], conf["user"], conf["password"], conf["database"], conf["port"]),
+	}[driver]
+	PanicIf(dsn == "", fmt.Errorf("unknow driver: %s", driver))
+	return dsn
+}
+
+// CheckResponse 检查Response，返回错误
+func CheckResponse(resp *resty.Response, err error) error {
+	if err == nil && resp != nil {
+		if resp.IsError() {
+			return errors.New(resp.String())
+		} else if strings.Contains(resp.String(), "FAILURE") {
+			return ErrFailure
+		}
+	}
+	return err
+}
+
+// CheckResult 检查Result，返回错误
+func CheckResult(res interface{}, err error) error {
+	resp, ok := res.(*resty.Response)
+	if ok {
+		return CheckResponse(resp, err)
+	}
+	if res != nil && strings.Contains(MustMarshalString(res), "FAILURE") {
+		return ErrFailure
+	}
+	return err
+}
diff --git a/dtmcli/utils_test.go b/dtmcli/utils_test.go
index 5a13445..2ed3320 100644
--- a/dtmcli/utils_test.go
+++ b/dtmcli/utils_test.go
@@ -65,11 +65,6 @@ func TestSome(t *testing.T) {
 		MustAtoi("abc")
 	})
 	assert.Error(t, err)
-	wd := MustGetwd()
-	assert.NotEqual(t, "", wd)
-
-	dir1 := GetCurrentCodeDir()
-	assert.Equal(t, true, strings.HasSuffix(dir1, "dtmcli"))
 
 	func1 := GetFuncName()
 	assert.Equal(t, true, strings.HasSuffix(func1, "TestSome"))
diff --git a/dtmcli/xa.go b/dtmcli/xa.go
index 35928da..e590368 100644
--- a/dtmcli/xa.go
+++ b/dtmcli/xa.go
@@ -8,8 +8,6 @@ import (
 	"github.com/go-resty/resty/v2"
 )
 
-var e2p = E2P
-
 // XaGlobalFunc type of xa global function
 type XaGlobalFunc func(xa *Xa) (*resty.Response, error)
 
@@ -58,10 +56,13 @@ func NewXaClient(server string, mysqlConf map[string]string, callbackURL string,
 
 // HandleCallback 处理commit/rollback的回调
 func (xc *XaClient) HandleCallback(gid string, branchID string, action string) (interface{}, error) {
-	db := SdbAlone(xc.Conf)
+	db, err := SdbAlone(xc.Conf)
+	if err != nil {
+		return nil, err
+	}
 	defer db.Close()
 	xaID := gid + "-" + branchID
-	_, err := SdbExec(db, fmt.Sprintf("xa %s '%s'", action, xaID))
+	_, err = SdbExec(db, fmt.Sprintf("xa %s '%s'", action, xaID))
 	return ResultSuccess, err
 
 }
@@ -75,7 +76,10 @@ func (xc *XaClient) XaLocalTransaction(qs url.Values, xaFunc XaLocalFunc) (ret i
 	xa.Dtm = xc.Server
 	branchID := xa.NewBranchID()
 	xaBranch := xa.Gid + "-" + branchID
-	db := SdbAlone(xc.Conf)
+	db, rerr := SdbAlone(xc.Conf)
+	if rerr != nil {
+		return
+	}
 	defer func() { db.Close() }()
 	defer func() {
 		x := recover()
diff --git a/dtmsvr/config.go b/dtmsvr/config.go
index 258ff5a..79089aa 100644
--- a/dtmsvr/config.go
+++ b/dtmsvr/config.go
@@ -2,7 +2,6 @@ package dtmsvr
 
 import (
 	"github.com/yedf/dtm/common"
-	"github.com/yedf/dtm/dtmcli"
 )
 
 type dtmsvrConfig struct {
@@ -14,9 +13,6 @@ var config = &dtmsvrConfig{
 	TransCronInterval: 10,
 }
 
-var dbName = "dtm"
-
 func init() {
-	common.InitConfig(dtmcli.GetProjectDir(), &config)
-	config.DB["database"] = ""
+	common.InitConfig(&config)
 }
diff --git a/dtmsvr/dtmsvr_test.go b/dtmsvr/dtmsvr_test.go
index 1cfa263..2299993 100644
--- a/dtmsvr/dtmsvr_test.go
+++ b/dtmsvr/dtmsvr_test.go
@@ -42,7 +42,7 @@ func resetXaData() {
 
 func TestMain(m *testing.M) {
 	TransProcessedTestChan = make(chan string, 1)
-	common.InitConfig(dtmcli.GetProjectDir(), &config)
+	common.InitConfig(&config)
 	PopulateDB(false)
 	examples.PopulateDB(false)
 	// 启动组件
@@ -72,21 +72,6 @@ func TestCover(t *testing.T) {
 	go sleepCronTime()
 }
 
-func TestType(t *testing.T) {
-	err := dtmcli.CatchP(func() {
-		dtmcli.MustGenGid("http://localhost:8080/api/no")
-	})
-	assert.Error(t, err)
-	err = dtmcli.CatchP(func() {
-		resp, err := dtmcli.RestyClient.R().SetBody(dtmcli.M{
-			"gid":        "1",
-			"trans_type": "msg",
-		}).Get("http://localhost:8080/api/dtmsvr/abort")
-		dtmcli.CheckRestySuccess(resp, err)
-	})
-	assert.Error(t, err)
-}
-
 func getTransStatus(gid string) string {
 	sm := TransGlobal{}
 	dbr := dbGet().Model(&sm).Where("gid=?", gid).First(&sm)
diff --git a/dtmsvr/main.go b/dtmsvr/main.go
index a3b24c7..6324cc4 100644
--- a/dtmsvr/main.go
+++ b/dtmsvr/main.go
@@ -23,6 +23,6 @@ func StartSvr() {
 
 // PopulateDB setup mysql data
 func PopulateDB(skipDrop bool) {
-	file := fmt.Sprintf("%s/dtmsvr.%s.sql", dtmcli.GetCurrentCodeDir(), config.DB["driver"])
+	file := fmt.Sprintf("%s/dtmsvr.%s.sql", common.GetCurrentCodeDir(), config.DB["driver"])
 	examples.RunSQLScript(config.DB, file, skipDrop)
 }
diff --git a/examples/config.go b/examples/config.go
index 6368939..fd831c5 100644
--- a/examples/config.go
+++ b/examples/config.go
@@ -2,7 +2,6 @@ package examples
 
 import (
 	"github.com/yedf/dtm/common"
-	"github.com/yedf/dtm/dtmcli"
 )
 
 type exampleConfig struct {
@@ -12,5 +11,5 @@ type exampleConfig struct {
 var config = exampleConfig{}
 
 func init() {
-	common.InitConfig(dtmcli.GetProjectDir(), &config)
+	common.InitConfig(&config)
 }
diff --git a/examples/data.go b/examples/data.go
index 468a479..d2e8d61 100644
--- a/examples/data.go
+++ b/examples/data.go
@@ -5,12 +5,14 @@ import (
 	"io/ioutil"
 	"strings"
 
+	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
 )
 
 // RunSQLScript 1
 func RunSQLScript(conf map[string]string, script string, skipDrop bool) {
-	con := dtmcli.SdbAlone(conf)
+	con, err := dtmcli.SdbAlone(conf)
+	e2p(err)
 	defer func() { con.Close() }()
 	content, err := ioutil.ReadFile(script)
 	e2p(err)
@@ -27,6 +29,6 @@ func RunSQLScript(conf map[string]string, script string, skipDrop bool) {
 
 // PopulateDB populate example mysql data
 func PopulateDB(skipDrop bool) {
-	file := fmt.Sprintf("%s/examples.%s.sql", dtmcli.GetCurrentCodeDir(), config.DB["driver"])
+	file := fmt.Sprintf("%s/examples.%s.sql", common.GetCurrentCodeDir(), config.DB["driver"])
 	RunSQLScript(config.DB, file, skipDrop)
 }
diff --git a/examples/types.go b/examples/types.go
index f3cd218..70d08db 100644
--- a/examples/types.go
+++ b/examples/types.go
@@ -64,7 +64,9 @@ func dbGet() *common.DB {
 }
 
 func sdbGet() *sql.DB {
-	return dtmcli.SdbGet(config.DB)
+	db, err := dtmcli.SdbGet(config.DB)
+	e2p(err)
+	return db
 }
 
 // MustGetTrans construct transaction info from request