diff --git a/app/src/main/assets/help/jsHelp.md b/app/src/main/assets/help/jsHelp.md
index 9e5ba8bc4..d7b312197 100644
--- a/app/src/main/assets/help/jsHelp.md
+++ b/app/src/main/assets/help/jsHelp.md
@@ -54,7 +54,11 @@ java.put(key, value)
 java.ajax(urlStr): String
 java.ajaxAll(urlList: Array<String>): Array<StrResponse?>
 //返回Response 方法body() code() message() header() raw() toString() 
-java.connect(urlStr): Response<String>
+java.connect(urlStr): StrResponse
+
+java.post(url: String, body: String, headerMap: Map<String, String>): Connection.Response
+java.get(url: String, headerMap: Map<String, String>): Connection.Response
+java.head(url: String, headerMap: Map<String, String>): Connection.Response
 
 * 使用webView访问网络
 * @param html 直接用webView载入的html, 如果html为空直接访问url
@@ -130,11 +134,8 @@ deleteFile(path: String)
 > [常见加密解密算法介绍](https://www.yijiyong.com/algorithm/encryption/01-intro.html)
 > [相关概念](https://blog.csdn.net/OrangeJack/article/details/82913804)  
 * AES
+> transformation默认实现AES/ECB/PKCS5Padding
 ```
-* @param data 传入的原始数据
-* @param key AES加密的key
-* @param transformation AES加密的方式 例如AES/ECB/PKCS5Padding
-* @param iv ECB模式的偏移向量
 java.aesDecodeToString(str: String, key: String, transformation: String, iv: String)
 
 java.aesBase64DecodeToString(str: String, key: String, transformation: String, iv: String)
@@ -144,6 +145,7 @@ java.aesEncodeToString(str: String, key: String, transformation: String, iv: Str
 java.aesEncodeToBase64String(str: String, key: String, transformation: String, iv: String)
 ```
 * DES
+> transformation默认实现DES/ECB/PKCS5Padding
 ```
 java.desDecodeToString(str: String, key: String, transformation: String, iv: String)
 
@@ -154,23 +156,25 @@ java.desEncodeToString(str: String, key: String, transformation: String, iv: Str
 java.desEncodeToBase64String(str: String, key: String, transformation: String, iv: String)
 ```
 * 3DES
+> tansformation默认实现DESede/ECB/PKCS5Padding
 ```
-* @param data 被加密的字符串
-* @param key 密钥
-* @param mode 模式 ECB/CBC/CFB/OFB/CTR
-* @param padding 补码方式 NoPadding/PKCS5Padding/
-* @param iv 加盐
 java.tripleDESEncodeBase64Str(data: String,key: String,mode: String,padding: String,iv: String): String?
 
 java.tripleDESDecodeStr(data: String,key: String,mode: String,padding: String,iv: String): String?
 ```
 * 摘要
+> algorithm支持MD2 MD5 SHA-1 SHA-256 SHA-384 SHA-512
+```
+java.digestHex(data: String, algorithm: String,): String?
+
+java.digestBase64Str(data: String, algorithm: String,): String?
+```
+* HMac(散列消息鉴别码)
+> algorithm支持HmacMD5 HmacSHA1 HmacSHA224 HmacSHA256 HmacSHA384 HmacSHA512
 ```
-* @param data 被摘要数据
-* @param algorithm 签名算法 MD5/SHA1/SHA256/SHA512
-java.digestHex(data: String,algorithm: String,): String?
+java.HMacHex(data: String, algorithm: String, key: String): String
 
-java.digestBase64Str(data: String,algorithm: String,): String?
+java.HMacBase64(data: String, algorithm: String, key: String): String
 ```
 * md5
 ```
diff --git a/app/src/main/assets/updateLog.md b/app/src/main/assets/updateLog.md
index d689e0f54..f7731b3a4 100644
--- a/app/src/main/assets/updateLog.md
+++ b/app/src/main/assets/updateLog.md
@@ -15,6 +15,8 @@
 
 * 修复部分txt章节结尾乱码bug
 * 优化翻页流畅度
+* js添加des HMac
+* 登录ui用户信息默认加密方式改变，需要重新登录
 
 **2022/05/21**
 
@@ -322,4 +324,4 @@ eval(String(java.cacheFile(url)))
 **2022/01/01**
 
 * 修复本地txt问题,不在拷贝到私有目录,可以正常打开
-* 优化txt目录识别,取目录数量最多的规则
\ No newline at end of file
+* 优化txt目录识别,取目录数量最多的规则
diff --git a/app/src/main/java/io/legado/app/help/JsExtensions.kt b/app/src/main/java/io/legado/app/help/JsExtensions.kt
index 50ec5f276..cad84aba4 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -947,7 +947,7 @@ interface JsExtensions {
         )?.let { String(it) }
     }
 
-//******************消息摘要************************//
+//******************消息摘要/散列消息鉴别码************************//
 
     /**
      * 生成摘要，并转为16进制字符串
@@ -977,6 +977,38 @@ interface JsExtensions {
         return Base64.encodeToString(DigestUtils.getDigest(algorithm, data.toByteArray()), Base64.NO_WRAP)
     }
 
+    /**
+     * 生成散列消息鉴别码，并转为16进制字符串
+     *
+     * @param data 被摘要数据
+     * @param algorithm 签名算法
+     * @param key 密钥
+     * @return 16进制字符串
+     */
+    fun HMacHex(
+        data: String,
+        algorithm: String,
+        key: String
+    ): String {
+        return DigestUtils.getHMac(algorithm, key, data)
+    }
+
+    /**
+     * 生成散列消息鉴别码，并转为Base64字符串
+     *
+     * @param data 被摘要数据
+     * @param algorithm 签名算法
+     * @param key 密钥
+     * @return Base64字符串
+     */
+    fun HMacBase64(
+        data: String,
+        algorithm: String,
+        key: String
+    ): String {
+        return Base64.encodeToString(DigestUtils.getHMac(algorithm, key.toByteArray(), data.toByteArray()), Base64.NO_WRAP)
+    }
+
     fun md5Encode(str: String): String {
         return MD5Utils.md5Encode(str)
     }