diff --git a/string.go b/string.go
index b3cb3dc..aa244df 100644
--- a/string.go
+++ b/string.go
@@ -8,8 +8,10 @@
 package wrapper
 
 import (
+	"crypto/md5"
 	"errors"
 	"git.zhangdeman.cn/zhangdeman/util"
+	"io"
 	"strings"
 )
 
@@ -922,3 +924,32 @@ func (str String) ToAnySlice() AnySliceResult {
 	result.Err = util.JSON.UnmarshalWithNumber([]byte(str), &result.Value)
 	return result
 }
+
+// Md5 计算Md5值
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 12:08 2023/5/16
+func (str String) Md5() StringResult {
+	h := md5.New()
+	_, err := io.WriteString(h, str.Value())
+	if nil != err {
+		return StringResult{
+			Value: "",
+			Err:   err,
+		}
+	}
+	return StringResult{
+		Value: string(h.Sum(nil)),
+		Err:   nil,
+	}
+}
+
+// Value ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 12:11 2023/5/16
+func (str String) Value() string {
+	return string(str)
+}