diff --git a/gconfig/config.go b/gconfig/config.go
index aa524ae..8377271 100644
--- a/gconfig/config.go
+++ b/gconfig/config.go
@@ -9,7 +9,7 @@ package gconfig
 
 import (
 	"bytes"
-	"io/ioutil"
+	"os"
 	"text/template"
 
 	"git.hexq.cn/tiglog/golib/gfile"
@@ -50,7 +50,7 @@ func (c *BaseConfig) GetData(fname string, must bool) *bytes.Buffer {
 			return nil
 		}
 	}
-	dat, err := ioutil.ReadFile(fp)
+	dat, err := os.ReadFile(fp)
 	helper.CheckErr(err)
 	tpl, err := template.New("config").Parse(string(dat))
 	helper.CheckErr(err)