diff --git a/common/utils.go b/common/utils.go
index 0ea402d..90b62d4 100644
--- a/common/utils.go
+++ b/common/utils.go
@@ -88,9 +88,7 @@ func InitConfig(config interface{}) {
 			break
 		}
 	}
-	if cont == nil {
-		dtmcli.LogFatalf("no config file conf.yml/conf.sample.yml found in current and parent path: %s", MustGetwd())
-	}
+	dtmcli.LogIfFatalf(cont == nil, "no config file conf.yml/conf.sample.yml found in current and parent path: %s", MustGetwd())
 	dtmcli.Logf("cont is: \n%s", string(cont))
 	err := yaml.Unmarshal(cont, config)
 	dtmcli.FatalIfError(err)
diff --git a/dtmcli/utils.go b/dtmcli/utils.go
index 7815756..545a9fa 100644
--- a/dtmcli/utils.go
+++ b/dtmcli/utils.go
@@ -126,19 +126,25 @@ func LogRedf(fmt string, args ...interface{}) {
 	Logf("\x1b[31m\n"+fmt+"\x1b[0m\n", args...)
 }
 
+// FatalExitFunc Fatal退出函数，测试时被替换
+var FatalExitFunc = func() { os.Exit(1) }
+
 // 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)
+	FatalExitFunc()
+}
+
+// LogIfFatalf 采用红色打印错误类信息， 并退出
+func LogIfFatalf(condition bool, fmt string, args ...interface{}) {
+	if condition {
+		LogFatalf(fmt, args...)
+	}
 }
 
 // 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)
+	LogIfFatalf(err == nil, "Fatal error: %v", err)
 }
 
 // RestyClient the resty object
diff --git a/dtmcli/utils_test.go b/dtmcli/utils_test.go
index 2ed3320..a67485e 100644
--- a/dtmcli/utils_test.go
+++ b/dtmcli/utils_test.go
@@ -2,6 +2,7 @@ package dtmcli
 
 import (
 	"errors"
+	"fmt"
 	"os"
 	"strings"
 	"testing"
@@ -76,3 +77,15 @@ 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"))
+}