diff --git a/app/src/main/assets/help/jsHelp.md b/app/src/main/assets/help/jsHelp.md
index 1f91ed457..64f1b915f 100644
--- a/app/src/main/assets/help/jsHelp.md
+++ b/app/src/main/assets/help/jsHelp.md
@@ -57,7 +57,9 @@ java.ajaxAll(urlList: Array<String>): Array<StrResponse?>
 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
@@ -132,8 +134,13 @@ 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)
+
 > [Android支持的transformation](https://developer.android.google.cn/reference/kotlin/javax/crypto/Cipher?hl=en)
+
+> 其他加密方式 可在js中[调用](https://m.jb51.net/article/92138.htm)[hutool-crypto](https://www.hutool.cn/docs/#/)
+
 * AES
 > transformation默认实现AES/ECB/PKCS5Padding
 ```
@@ -164,14 +171,14 @@ java.tripleDESEncodeBase64Str(data: String,key: String,mode: String,padding: Str
 java.tripleDESDecodeStr(data: String,key: String,mode: String,padding: String,iv: String): String?
 ```
 * 摘要
-> algorithm支持MD5 SHA-1 SHA-224 SHA-256 SHA-384 SHA-512
+> MD5 SHA-1 SHA-224 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DESMAC DESMAC/CFB8 DESedeMAC DESedeMAC/CFB8 DESedeMAC64 DESwithISO9797 HmacMD5 HmacSHA* ISO9797ALG3MAC PBEwithSHA*
+* HMac(部分算法暂不支持)
+> DESMAC DESMAC/CFB8 DESedeMAC DESedeMAC/CFB8 DESedeMAC64 DESwithISO9797 HmacMD5 HmacSHA* ISO9797ALG3MAC PBEwithSHA*
 ```
 java.HMacHex(data: String, algorithm: String, key: String): String
 
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 cad84aba4..e0697afc7 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -3,6 +3,8 @@ package io.legado.app.help
 import android.net.Uri
 import android.util.Base64
 import androidx.annotation.Keep
+import cn.hutool.crypto.digest.DigestUtil
+import cn.hutool.crypto.digest.HMac
 import io.legado.app.constant.AppConst
 import io.legado.app.constant.AppConst.dateFormat
 import io.legado.app.constant.AppLog
@@ -960,7 +962,7 @@ interface JsExtensions {
         data: String,
         algorithm: String,
     ): String {
-        return DigestUtils.getDigest(algorithm, data)
+        return DigestUtil.digester(algorithm).digestHex(data)
     }
 
     /**
@@ -974,7 +976,7 @@ interface JsExtensions {
         data: String,
         algorithm: String,
     ): String {
-        return Base64.encodeToString(DigestUtils.getDigest(algorithm, data.toByteArray()), Base64.NO_WRAP)
+        return Base64.encodeToString(DigestUtil.digester(algorithm).digest(data), Base64.NO_WRAP)
     }
 
     /**
@@ -990,7 +992,7 @@ interface JsExtensions {
         algorithm: String,
         key: String
     ): String {
-        return DigestUtils.getHMac(algorithm, key, data)
+        return HMac(algorithm, key.toByteArray()).digestHex(data)
     }
 
     /**
@@ -1006,7 +1008,7 @@ interface JsExtensions {
         algorithm: String,
         key: String
     ): String {
-        return Base64.encodeToString(DigestUtils.getHMac(algorithm, key.toByteArray(), data.toByteArray()), Base64.NO_WRAP)
+        return Base64.encodeToString(HMac(algorithm, key.toByteArray()).digest(data), Base64.NO_WRAP)
     }
 
     fun md5Encode(str: String): String {
diff --git a/app/src/main/java/io/legado/app/ui/book/remote/RemoteBookAdapter.kt b/app/src/main/java/io/legado/app/ui/book/remote/RemoteBookAdapter.kt
index 3836cdb3d..36dd38f86 100644
--- a/app/src/main/java/io/legado/app/ui/book/remote/RemoteBookAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/remote/RemoteBookAdapter.kt
@@ -2,12 +2,11 @@ package io.legado.app.ui.book.remote
 
 import android.content.Context
 import android.view.ViewGroup
+import cn.hutool.core.date.LocalDateTimeUtil
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.RecyclerAdapter
 import io.legado.app.databinding.ItemRemoteBookBinding
 import io.legado.app.utils.ConvertUtils
-import java.text.SimpleDateFormat
-import java.util.Date
 
 
 /**
@@ -39,7 +38,7 @@ class RemoteBookAdapter (context: Context, val callBack: CallBack) :
             tvName.text = item.filename.substringBeforeLast(".")
             tvContentType.text = item.contentType
             tvSize.text = ConvertUtils.formatFileSize(item.size)
-            tvDate.text = SimpleDateFormat("yyyy-MM-dd").format(Date(item.lastModify))
+            tvDate.text = LocalDateTimeUtil.format(LocalDateTimeUtil.of(item.lastModify), "yyyy-MM-dd")
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/utils/DigestUtils.kt b/app/src/main/java/io/legado/app/utils/DigestUtils.kt
deleted file mode 100644
index b708b770c..000000000
--- a/app/src/main/java/io/legado/app/utils/DigestUtils.kt
+++ /dev/null
@@ -1,62 +0,0 @@
-package io.legado.app.utils
-
-import java.security.MessageDigest
-import javax.crypto.Mac
-import javax.crypto.spec.SecretKeySpec
-
-object DigestUtils {
-
-    /**
-     * 消息摘要
-     * 支持MD5 SHA-1 SHA-224 SHA-256 SHA-384 SHA-512
-     * https://developer.android.google.cn/reference/java/security/MessageDigest?hl=en
-     */
-    fun getDigest(
-        algorithm: String,
-        data: String?
-    ): String {
-        data ?: return ""
-        val bytes = getDigest(algorithm, data.toByteArray())
-        return StringUtils.byteToHexString(bytes)
-    }
-
-    fun getDigest(
-        algorithm: String,
-        data: ByteArray
-    ): ByteArray {
-        return kotlin.runCatching {
-            val messageDigest = MessageDigest.getInstance(algorithm)
-            messageDigest.digest(data)
-        }.getOrThrow()
-    }
-
-    /**
-     * 散列消息鉴别码
-     * 支持DESMAC DESMAC/CFB8 DESedeMAC DESedeMAC/CFB8 DESedeMAC64 DESwithISO9797 HmacMD5 HmacSHA* ISO9797ALG3MAC PBEwithSHA*
-     * https://developer.android.google.cn/reference/kotlin/javax/crypto/Mac?hl=en
-     */
-    fun getHMac(
-        algorithm: String,
-        key: String,
-        data: String?
-    ): String {
-        data ?: return ""
-        val bytes = getHMac(algorithm, key.toByteArray(), data.toByteArray())
-        return StringUtils.byteToHexString(bytes)
-    }
-
-    fun getHMac(
-        algorithm: String,
-        key: ByteArray,
-        data: ByteArray
-    ): ByteArray {
-        return kotlin.runCatching {
-            val mac= Mac.getInstance(algorithm)
-            val keySpec = SecretKeySpec(key, algorithm)
-            mac.init(keySpec)
-            mac.update(data)
-            mac.doFinal()
-        }.getOrThrow()
-    }
-
-}
diff --git a/app/src/main/java/io/legado/app/utils/EncoderUtils.kt b/app/src/main/java/io/legado/app/utils/EncoderUtils.kt
index f410075ec..208261289 100644
--- a/app/src/main/java/io/legado/app/utils/EncoderUtils.kt
+++ b/app/src/main/java/io/legado/app/utils/EncoderUtils.kt
@@ -2,9 +2,9 @@ package io.legado.app.utils
 
 import android.util.Base64
 import java.security.spec.AlgorithmParameterSpec
-import javax.crypto.Cipher
 import javax.crypto.spec.IvParameterSpec
 import javax.crypto.spec.SecretKeySpec
+import cn.hutool.crypto.symmetric.SymmetricCrypto
 
 /**
  * transformations https://developer.android.google.cn/reference/kotlin/javax/crypto/Cipher?hl=en
@@ -328,16 +328,14 @@ object EncoderUtils {
     ): ByteArray? {
         return if (data == null || data.isEmpty() || key == null || key.isEmpty()) null
         else {
+            //hutool support zeropadding
             val keySpec = SecretKeySpec(key, algorithm)
-            val cipher = Cipher.getInstance(transformation)
-            val mode = if (isEncrypt) Cipher.ENCRYPT_MODE else Cipher.DECRYPT_MODE
-            if (iv == null || iv.isEmpty()) {
-                cipher.init(mode, keySpec)
-            } else {
-                val params: AlgorithmParameterSpec = IvParameterSpec(iv)
-                cipher.init(mode, keySpec, params)
+            var params: AlgorithmParameterSpec? = null
+            if (iv != null && !iv.isEmpty()) {
+                params = IvParameterSpec(iv)
             }
-            cipher.doFinal(data)
+            val symmetricCrypto = SymmetricCrypto(transformation, keySpec, params)
+            if (isEncrypt) symmetricCrypto.encrypt(data) else symmetricCrypto.decrypt(data)
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/utils/MD5Utils.kt b/app/src/main/java/io/legado/app/utils/MD5Utils.kt
index 377f511e7..d018508fa 100644
--- a/app/src/main/java/io/legado/app/utils/MD5Utils.kt
+++ b/app/src/main/java/io/legado/app/utils/MD5Utils.kt
@@ -1,5 +1,6 @@
 package io.legado.app.utils
 
+import cn.hutool.crypto.digest.DigestUtil
 /**
  * 将字符串转化为MD5
  */
@@ -7,7 +8,7 @@ package io.legado.app.utils
 object MD5Utils {
 
     fun md5Encode(str: String?): String {
-        return DigestUtils.getDigest("MD5", str)
+        return DigestUtil.digester("MD5").digestHex(str)
     }
 
     fun md5Encode16(str: String): String {