diff --git a/app/src/main/assets/help/jsHelp.md b/app/src/main/assets/help/jsHelp.md
index f5c43e30d..ffcccab31 100644
--- a/app/src/main/assets/help/jsHelp.md
+++ b/app/src/main/assets/help/jsHelp.md
@@ -124,9 +124,14 @@ eval(String(java.cacheFile(url)))
 删除缓存文件
 cache.delete(java.md5Encode16(url))
 ```
-* 获取网络zip文件里面的数据
+* 获取网络压缩文件里面指定路径的数据 *可替换Zip Rar 7Z Archive
 ```
-java.getZipStringContent(url: String, path: String)
+java.get*StringContent(url: String, path: String): String
+
+java.get*StringContent(url: String, path: String, charsetName: String): String
+
+java.get*ByteArrayContent(url: String, path: String): ByteArray?
+
 ```
 * base64
 > flags参数可省略，默认Base64.NO_WRAP，查看[flags参数说明](https://blog.csdn.net/zcmain/article/details/97051870)
@@ -159,8 +164,12 @@ java.hexEncodeToString(utf8: String)
 ```
 //文件下载,content为十六进制字符串,url用于生成文件名，返回文件路径
 downloadFile(content: String, url: String): String
+downloadFile(url: String): String
 //文件解压,zipPath为压缩文件路径，返回解压路径
+unArchiveFile(zipPath: String): String
 unzipFile(zipPath: String): String
+unrarFile(zipPath: String): String
+un7zFile(zipPath: String): String
 //文件夹内所有文件读取
 getTxtInFolder(unzipPath: String): String
 //读取文本文件
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 abb3502a1..bcf5d82d2 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -497,16 +497,7 @@ interface JsExtensions : JsEncodeUtils {
      * @return 相对路径
      */
     fun unzipFile(zipPath: String): String {
-        if (zipPath.isEmpty()) return ""
-        val unzipPath = FileUtils.getPath(
-            FileUtils.createFolderIfNotExist(FileUtils.getCachePath()),
-            FileUtils.getNameExcludeExtension(zipPath)
-        )
-        val unzipFolder = File(unzipPath).createFolderReplace()
-        val zipFile = getFile(zipPath)
-        ZipUtils.unzipFile(zipFile, unzipFolder)
-        FileUtils.delete(zipFile.absolutePath)
-        return unzipPath.substring(FileUtils.getCachePath().length)
+        return unArchiveFile(zipPath)
     }
     /**
      * js实现7Zip压缩文件解压
@@ -514,16 +505,7 @@ interface JsExtensions : JsEncodeUtils {
      * @return 相对路径
      */
     fun un7zFile(zipPath: String): String {
-        if (zipPath.isEmpty()) return ""
-        val unzipPath = FileUtils.getPath(
-            FileUtils.createFolderIfNotExist(FileUtils.getCachePath()),
-            FileUtils.getNameExcludeExtension(zipPath)
-        )
-        val unzipFolder = File(unzipPath).createFolderReplace()
-        val zipFile = getFile(zipPath)
-        SevenZipUtils.un7zToPath(zipFile, unzipFolder)
-        FileUtils.delete(zipFile.absolutePath)
-        return unzipPath.substring(FileUtils.getCachePath().length)
+        return unArchiveFile(zipPath)
     }
     /**
      * js实现Rar压缩文件解压
@@ -531,16 +513,7 @@ interface JsExtensions : JsEncodeUtils {
      * @return 相对路径
      */
     fun unrarFile(zipPath: String): String {
-        if (zipPath.isEmpty()) return ""
-        val unzipPath = FileUtils.getPath(
-            FileUtils.createFolderIfNotExist(FileUtils.getCachePath()),
-            FileUtils.getNameExcludeExtension(zipPath)
-        )
-        val unzipFolder = File(unzipPath).createFolderReplace()
-        val zipFile = getFile(zipPath)
-        RarUtils.unRarToPath(zipFile, unzipFolder)
-        FileUtils.delete(zipFile.absolutePath)
-        return unzipPath.substring(FileUtils.getCachePath().length)
+        return unArchiveFile(zipPath)
     }
     /**
      * js实现压缩文件解压
@@ -549,29 +522,8 @@ interface JsExtensions : JsEncodeUtils {
      */
     fun unArchiveFile(zipPath: String): String {
         if (zipPath.isEmpty()) return ""
-        val unzipPath = FileUtils.getPath(
-            FileUtils.createFolderIfNotExist(FileUtils.getCachePath()),
-            FileUtils.getNameExcludeExtension(zipPath)
-        )
-        val unzipFolder = File(unzipPath).createFolderReplace()
-        val zipFile = getFile(zipPath)
-        when {
-            zipPath.endsWith(".zip", ignoreCase = true) -> {
-                ZipUtils.unzipFile(zipFile, unzipFolder)
-            }
-            zipPath.endsWith(".rar", ignoreCase = true) -> {
-                RarUtils.unRarToPath(zipFile, unzipFolder)
-            }
-
-            zipPath.endsWith(".7z", ignoreCase = true) -> {
-                SevenZipUtils.un7zToPath(zipFile, unzipFolder)
-            }
-            else -> {
-               log("自动解压未识别类型${zipPath}")
-            }
-        }
-        FileUtils.delete(zipFile.absolutePath)
-        return unzipPath.substring(FileUtils.getCachePath().length)
+        return ArchiveUtils.deCompress(zipPath).toString()
+            .substring(FileUtils.getCachePath().length)
     }
 
     /**
diff --git a/app/src/main/java/io/legado/app/help/book/BookHelp.kt b/app/src/main/java/io/legado/app/help/book/BookHelp.kt
index dcf8560de..8a458183c 100644
--- a/app/src/main/java/io/legado/app/help/book/BookHelp.kt
+++ b/app/src/main/java/io/legado/app/help/book/BookHelp.kt
@@ -178,13 +178,7 @@ object BookHelp {
     }
 
     fun getImageSuffix(src: String): String {
-        var suffix = src.substringAfterLast(".").substringBefore(",")
-        //检查截取的后缀字符是否合法 [a-zA-Z0-9]
-        val fileSuffixRegex = Regex("^[a-z0-9]+$", RegexOption.IGNORE_CASE)
-        if (suffix.length > 5 || !suffix.matches(fileSuffixRegex)) {
-            suffix = "jpg"
-        }
-        return suffix
+        return UrlUtil.getSuffix(src, "jpg")
     }
 
     @Throws(IOException::class, FileNotFoundException::class)
diff --git a/app/src/main/java/io/legado/app/lib/webdav/Authorization.kt b/app/src/main/java/io/legado/app/lib/webdav/Authorization.kt
index af78adc12..92d2b92a2 100644
--- a/app/src/main/java/io/legado/app/lib/webdav/Authorization.kt
+++ b/app/src/main/java/io/legado/app/lib/webdav/Authorization.kt
@@ -2,7 +2,6 @@ package io.legado.app.lib.webdav
 
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.Server.WebDavConfig
-import io.legado.app.exception.NoStackTraceException
 import okhttp3.Credentials
 import java.nio.charset.Charset
 import java.nio.charset.StandardCharsets
@@ -24,7 +23,7 @@ data class Authorization(
     }
 
     constructor(serverID: Long?): this("","") {
-        serverID ?: throw NoStackTraceException("Unexpected server ID")
+        serverID ?: throw WebDavException("Unexpected server ID")
         appDb.serverDao.get(serverID)?.getWebDavConfig()?.run {
             data = Credentials.basic(username, password, charset)
         } ?: throw WebDavException("Unexpected WebDav Authorization")
diff --git a/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt b/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
index bb3274239..6f30c4ce0 100644
--- a/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
+++ b/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
@@ -266,16 +266,9 @@ object LocalBook {
 
     /**
      * 分析下载文件类书源的下载链接的文件后缀
-     * https://www.example.com/download/{fileName}.{type} 含有文件名和后缀
-     * https://www.example.com/download/?fileid=1234, {type: "txt"} 规则设置
      */
     fun parseFileSuffix(url: String): String {
-        val analyzeUrl = AnalyzeUrl(url)
-        val urlNoOption = analyzeUrl.url
-        val lastPath = urlNoOption.substringAfterLast("/")
-        val fileType = lastPath.substringAfterLast(".")
-        val type = analyzeUrl.type
-        return type ?: fileType
+        return UrlUtil.getSuffix(url, "ext")
     }
 
     fun saveBookFile(
@@ -336,10 +329,10 @@ object LocalBook {
             // 兼容旧版链接
             val webdav: WebDav = kotlin.runCatching {
                 WebDav.fromPath(webDavUrl)
-            }.onFailure {
+            }.getOrElse {
                 AppWebDav.defaultBookWebDav
                     ?: throw WebDavException("Unexpected defaultBookWebDav")
-            }.getOrThrow()
+            }
             val uri = runBlocking {
                 saveBookFile(webdav.downloadInputStream(), localBook.originName)
             }
diff --git a/app/src/main/java/io/legado/app/utils/FileExtensions.kt b/app/src/main/java/io/legado/app/utils/FileExtensions.kt
index 0fe815c2a..2b42e98d3 100644
--- a/app/src/main/java/io/legado/app/utils/FileExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/FileExtensions.kt
@@ -17,8 +17,7 @@ fun File.exists(vararg subDirFiles: String): Boolean {
 @Throws(Exception::class)
 fun File.listFileDocs(filter: FileDocFilter? = null): ArrayList<FileDoc> {
     val docList = arrayListOf<FileDoc>()
-    listFiles()
-    listFiles()?.forEach {
+    listFiles {
         val item = FileDoc(
             it.name,
             it.isDirectory,
diff --git a/app/src/main/java/io/legado/app/utils/UrlUtil.kt b/app/src/main/java/io/legado/app/utils/UrlUtil.kt
index 5e23e7143..2ed135190 100644
--- a/app/src/main/java/io/legado/app/utils/UrlUtil.kt
+++ b/app/src/main/java/io/legado/app/utils/UrlUtil.kt
@@ -1,5 +1,7 @@
 package io.legado.app.utils
 
+import java.util.regex.Pattern
+
 object UrlUtil {
 
     fun replaceReservedChar(text: String): String {
@@ -24,5 +26,15 @@ object UrlUtil {
             .replace("|", "%7C")
     }
 
+    fun getSuffix(url: String, default: String): String {
+        val suffix = url.ubstringAfterLast(".").substringBeforeLast(",")
+        //检查截取的后缀字符是否合法 [a-zA-Z0-9]
+        val fileSuffixRegex = Regex("^[a-z0-9]+$", RegexOption.IGNORE_CASE)
+        return if (suffix.length > 5 || !suffix.matches(fileSuffixRegex)) {
+            default
+        } else {
+            suffix
+        }
+    }
 
 }
\ No newline at end of file