fix code

pkg/util/stringutils2/stringutils.go

@@ -1,10 +1,18 @@
 package stringutils2
 
 import (
+	"crypto/md5"
+	"encoding/hex"
 	"fmt"
 	"strings"
 )
 
+func GetMD5Hash(text string) string {
+	hasher := md5.New()
+	hasher.Write([]byte(text))
+	return hex.EncodeToString(hasher.Sum(nil))
+}
+
 func EscapeString(str string, pairs [][]string) string {
 	if len(pairs) == 0 {
 		pairs = [][]string{