diff --git a/md5.go b/md5.go
index b981f9a..ee270fb 100755
--- a/md5.go
+++ b/md5.go
@@ -6,10 +6,12 @@ package crypter
 import (
 	"crypto/md5"
 	"encoding/hex"
+	"strings"
 )
 
 //密码加密
 func Md5Password(password string, rand ...string) string {
+
 	if len(rand) > 0 {
 		password += rand[0]
 	}
@@ -20,3 +22,22 @@ func Md5Password(password string, rand ...string) string {
 	sMd5 := hex.EncodeToString(cipher2Str) // 输出加密结果
 	return sMd5
 }
+
+//密码加密
+func Md5Str(str ...string) string {
+
+	var build strings.Builder
+	if len(str) > 0 {
+		for _, v := range rand {
+			build.WriteString(v)
+		}
+	} else {
+		return ""
+	}
+
+	h := md5.New()
+	h.Write([]byte(build.String())) // 需要加密的字符串
+	cipher2Str := h.Sum(nil)
+	sMd5 := hex.EncodeToString(cipher2Str) // 输出加密结果
+	return sMd5
+}