diff --git a/style/style.go b/style/style.go
index 77f8ee5..b23374d 100644
--- a/style/style.go
+++ b/style/style.go
@@ -5,7 +5,6 @@ import (
 	"strconv"
 	"strings"
 
-	"gitea.meta-tech.academy/go/core/util"
 	"github.com/gookit/color"
 )
 
@@ -57,7 +56,7 @@ func NewStyleByDef(def string) *Style {
 	if len(d) > KEY_STYLE_OPTION {
 		o = strings.Split(d[KEY_STYLE_OPTION], ",")
 	}
-	util.PrependToSliceStr(&c, "#")
+	prependToSliceStr(&c, "#")
 	var s *color.RGBStyle
 	switch len(c) {
 	case 1:
@@ -67,7 +66,7 @@ func NewStyleByDef(def string) *Style {
 	}
 	for _, elm := range o {
 
-		s.AddOpts(color.Color(util.Str2int(elm, 10, 0)))
+		s.AddOpts(color.Color(str2int(elm, 10, 0)))
 	}
 	// s.Printf(" %-20s\n", d[KEY_STYLE_NAME])
 	return &Style{s, d[KEY_STYLE_NAME]}