diff --git a/cryptor/basic.go b/cryptor/basic.go
index b37ff97..0c1dfea 100644
--- a/cryptor/basic.go
+++ b/cryptor/basic.go
@@ -104,6 +104,14 @@ func HmacMd5(str, key string) string {
 	return hex.EncodeToString(h.Sum([]byte("")))
 }
 
+// HmacMd5WithBase64 return the hmac hash of string use md5 with base64.
+// todo
+func HmacMd5WithBase64(data, key string) string {
+	h := hmac.New(md5.New, []byte(key))
+	h.Write([]byte(data))
+	return base64.StdEncoding.EncodeToString(h.Sum([]byte("")))
+}
+
 // HmacSha1 return the hmac hash of string use sha1.
 // Play: https://go.dev/play/p/1UI4oQ4WXKM
 func HmacSha1(str, key string) string {
diff --git a/cryptor/basic_test.go b/cryptor/basic_test.go
index add01e0..075d8af 100644
--- a/cryptor/basic_test.go
+++ b/cryptor/basic_test.go
@@ -65,6 +65,13 @@ func TestHmacMd5(t *testing.T) {
 	assert.Equal("5f4c9faaff0a1ad3007d9ddc06abe36d", HmacMd5("hello world", "12345"))
 }
 
+func TestHmacMd5WithBase64(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestHmacMd5WithBase64")
+	assert.Equal("6DQwbquJLYclJdSRinpjmg==", HmacMd5WithBase64("hello", "12345"))
+}
+
 func TestHmacSha1(t *testing.T) {
 	t.Parallel()
 
diff --git a/cryptor/crypto_example_test.go b/cryptor/crypto_example_test.go
index 745a325..7266c95 100644
--- a/cryptor/crypto_example_test.go
+++ b/cryptor/crypto_example_test.go
@@ -328,6 +328,17 @@ func ExampleHmacMd5() {
 	// e834306eab892d872525d4918a7a639a
 }
 
+func ExampleHmacMd5WithBase64() {
+	str := "hello"
+	key := "12345"
+
+	hms := HmacMd5WithBase64(str, key)
+	fmt.Println(hms)
+
+	// Output:
+	// 6DQwbquJLYclJdSRinpjmg==
+}
+
 func ExampleHmacSha1() {
 	str := "hello"
 	key := "12345"
diff --git a/docs/cryptor.md b/docs/cryptor.md
index d3da8e8..d318c0b 100644
--- a/docs/cryptor.md
+++ b/docs/cryptor.md
@@ -44,6 +44,7 @@ import (
 - [DesOfbEncrypt](#DesOfbEncrypt)
 - [DesOfbDecrypt](#DesOfbDecrypt)
 - [HmacMd5](#HmacMd5)
+- [HmacMd5WithBase64](#HmacMd5WithBase64)
 - [HmacSha1](#HmacSha1)
 - [HmacSha1WithBase64](#HmacSha1WithBase64)
 - [HmacSha256](#HmacSha256)
@@ -738,7 +739,7 @@ func main() {
 <b>Signature:</b>
 
 ```go
-func HmacMd5(data, key string) string
+func HmacMd5(str, key string) string
 ```
 
 <b>Example:</b>
@@ -752,7 +753,7 @@ import (
 )
 
 func main() {
-      str := "hello"
+    str := "hello"
     key := "12345"
 
     hms := cryptor.HmacMd5(str, key)
@@ -762,6 +763,39 @@ func main() {
     // e834306eab892d872525d4918a7a639a
 }
 ```
+
+### <span id="HmacMd5WithBase64">HmacMd5WithBase64</span>
+
+<p>Get the md5 hmac hash of base64 string.</p>
+
+<b>Signature:</b>
+
+```go
+func HmacMd5WithBase64(str, key string) string
+```
+
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    str := "hello"
+    key := "12345"
+
+    hms := cryptor.HmacMd5WithBase64(str, key)
+    fmt.Println(hms)
+
+    // Output:
+    // 6DQwbquJLYclJdSRinpjmg==
+}
+```
+
 ### <span id="HmacSha1">HmacSha1</span>
 
 <p>Get the sha1 hmac hash of string.</p>
diff --git a/docs/cryptor_zh-CN.md b/docs/cryptor_zh-CN.md
index adb5a53..d004563 100644
--- a/docs/cryptor_zh-CN.md
+++ b/docs/cryptor_zh-CN.md
@@ -41,6 +41,7 @@ import (
 - [DesOfbEncrypt](#DesOfbEncrypt)
 - [DesOfbDecrypt](#DesOfbDecrypt)
 - [HmacMd5](#HmacMd5)
+- [HmacMd5WithBase64](#HmacMd5WithBase64)
 - [HmacSha1](#HmacSha1)
 - [HmacSha1WithBase64](#HmacSha1WithBase64)
 - [HmacSha256](#HmacSha256)
@@ -737,7 +738,7 @@ func main() {
 <b>函数签名:</b>
 
 ```go
-func HmacMd5(data, key string) string
+func HmacMd5(str, key string) string
 ```
 
 <b>示例:</b>
@@ -751,7 +752,7 @@ import (
 )
 
 func main() {
-      str := "hello"
+    str := "hello"
     key := "12345"
 
     hms := cryptor.HmacMd5(str, key)
@@ -761,6 +762,38 @@ func main() {
     // e834306eab892d872525d4918a7a639a
 }
 ```
+
+### <span id="HmacMd5WithBase64">HmacMd5WithBase64</span>
+
+<p>获取字符串md5 hmac base64字符串值。</p>
+
+<b>函数签名:</b>
+
+```go
+func HmacMd5WithBase64(str, key string) string
+```
+
+<b>示例:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    str := "hello"
+    key := "12345"
+
+    hms := cryptor.HmacMd5WithBase64(str, key)
+    fmt.Println(hms)
+
+    // Output:
+    // 6DQwbquJLYclJdSRinpjmg==
+}
+```
 ### <span id="HmacSha1">HmacSha1</span>
 
 <p>获取字符串的sha1 hmac值。</p>