From e1f81c1f57ce234b8b25239d3b7c94bb26a4824b Mon Sep 17 00:00:00 2001
From: boypt <1033514+boypt@users.noreply.github.com>
Date: Mon, 23 Dec 2019 15:52:47 +0800
Subject: [PATCH] fix config readerr

---
 engine/config.go | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/engine/config.go b/engine/config.go
index 2684c0b1a..c39a8efb1 100644
--- a/engine/config.go
+++ b/engine/config.go
@@ -6,6 +6,7 @@ import (
 	"errors"
 	"io/ioutil"
 	"log"
+	"os"
 	"reflect"
 	"strings"
 
@@ -105,11 +106,13 @@ func (c *Config) SaveConfigFile(configPath string) error {
 
 	ob, err := ioutil.ReadFile(configPath)
 	if err != nil {
-		return err
-	}
-
-	if bytes.Compare(b, ob) == 0 {
-		return nil
+		if !os.IsNotExist(err) {
+			return err
+		}
+	} else {
+		if bytes.Compare(b, ob) == 0 {
+			return nil
+		}
 	}
 
 	return ioutil.WriteFile(configPath, b, 0644)