diff --git a/app/src/main/java/io/legado/app/api/controller/BookController.kt b/app/src/main/java/io/legado/app/api/controller/BookController.kt
index daccc43a7..496b24ae2 100644
--- a/app/src/main/java/io/legado/app/api/controller/BookController.kt
+++ b/app/src/main/java/io/legado/app/api/controller/BookController.kt
@@ -6,9 +6,11 @@ import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.Book
 import io.legado.app.help.BookHelp
+import io.legado.app.help.ImageLoader
 import io.legado.app.model.localBook.LocalBook
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.service.help.ReadBook
+import io.legado.app.ui.widget.image.CoverImageView
 import io.legado.app.utils.GSON
 import io.legado.app.utils.cnCompare
 import io.legado.app.utils.fromJsonObject
@@ -40,13 +42,23 @@ object BookController {
             }
         }
 
+    fun getCover(parameters: Map<String, List<String>>): ReturnData {
+        val returnData = ReturnData()
+        val coverPath = parameters["path"]?.firstOrNull()
+        val ftBitmap = ImageLoader.loadBitmap(appCtx, coverPath)
+            .placeholder(CoverImageView.defaultDrawable)
+            .error(CoverImageView.defaultDrawable)
+            .submit()
+        return returnData.setData(ftBitmap.get())
+    }
+
     /**
      * 更新目录
      */
     fun refreshToc(parameters: Map<String, List<String>>): ReturnData {
         val returnData = ReturnData()
         try {
-            val bookUrl = parameters["url"]?.getOrNull(0)
+            val bookUrl = parameters["url"]?.firstOrNull()
             if (bookUrl.isNullOrEmpty()) {
                 return returnData.setErrorMsg("参数url不能为空，请指定书籍地址")
             }
@@ -90,7 +102,7 @@ object BookController {
      * 获取目录
      */
     fun getChapterList(parameters: Map<String, List<String>>): ReturnData {
-        val bookUrl = parameters["url"]?.getOrNull(0)
+        val bookUrl = parameters["url"]?.firstOrNull()
         val returnData = ReturnData()
         if (bookUrl.isNullOrEmpty()) {
             return returnData.setErrorMsg("参数url不能为空，请指定书籍地址")
@@ -103,8 +115,8 @@ object BookController {
      * 获取正文
      */
     fun getBookContent(parameters: Map<String, List<String>>): ReturnData {
-        val bookUrl = parameters["url"]?.getOrNull(0)
-        val index = parameters["index"]?.getOrNull(0)?.toInt()
+        val bookUrl = parameters["url"]?.firstOrNull()
+        val index = parameters["index"]?.firstOrNull()?.toInt()
         val returnData = ReturnData()
         if (bookUrl.isNullOrEmpty()) {
             return returnData.setErrorMsg("参数url不能为空，请指定书籍地址")
diff --git a/app/src/main/java/io/legado/app/api/controller/SourceController.kt b/app/src/main/java/io/legado/app/api/controller/SourceController.kt
index 3972295e5..f4a92cd6d 100644
--- a/app/src/main/java/io/legado/app/api/controller/SourceController.kt
+++ b/app/src/main/java/io/legado/app/api/controller/SourceController.kt
@@ -59,7 +59,7 @@ object SourceController {
     }
 
     fun getSource(parameters: Map<String, List<String>>): ReturnData {
-        val url = parameters["url"]?.getOrNull(0)
+        val url = parameters["url"]?.firstOrNull()
         val returnData = ReturnData()
         if (url.isNullOrEmpty()) {
             return returnData.setErrorMsg("参数url不能为空，请指定书源地址")
diff --git a/app/src/main/java/io/legado/app/help/ImageLoader.kt b/app/src/main/java/io/legado/app/help/ImageLoader.kt
index cc702ff0f..fa2411d38 100644
--- a/app/src/main/java/io/legado/app/help/ImageLoader.kt
+++ b/app/src/main/java/io/legado/app/help/ImageLoader.kt
@@ -30,6 +30,19 @@ object ImageLoader {
         }
     }
 
+    fun loadBitmap(context: Context, path: String?): RequestBuilder<Bitmap> {
+        return when {
+            path.isNullOrEmpty() -> Glide.with(context).asBitmap().load(path)
+            path.isAbsUrl() -> Glide.with(context).asBitmap().load(AnalyzeUrl(path).getGlideUrl())
+            path.isContentScheme() -> Glide.with(context).asBitmap().load(Uri.parse(path))
+            else -> kotlin.runCatching {
+                Glide.with(context).asBitmap().load(File(path))
+            }.getOrElse {
+                Glide.with(context).asBitmap().load(path)
+            }
+        }
+    }
+
     fun load(context: Context, @DrawableRes resId: Int?): RequestBuilder<Drawable> {
         return Glide.with(context).load(resId)
     }
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 802b450c6..ab02185b1 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -285,7 +285,7 @@ interface JsExtensions {
         val zipFile = getFile(zipPath)
         val unzipFolder = FileUtils.createFolderIfNotExist(unzipPath)
         ZipUtils.unzipFile(zipFile, unzipFolder)
-        FileUtils.deleteFile(zipPath)
+        FileUtils.deleteFile(zipFile.absolutePath)
         return unzipPath.substring(FileUtils.getCachePath().length)
     }
 
diff --git a/app/src/main/java/io/legado/app/web/HttpServer.kt b/app/src/main/java/io/legado/app/web/HttpServer.kt
index 9b0d09e0e..687383179 100644
--- a/app/src/main/java/io/legado/app/web/HttpServer.kt
+++ b/app/src/main/java/io/legado/app/web/HttpServer.kt
@@ -51,6 +51,7 @@ class HttpServer(port: Int) : NanoHTTPD(port) {
                         "/getChapterList" -> BookController.getChapterList(parameters)
                         "/refreshToc" -> BookController.refreshToc(parameters)
                         "/getBookContent" -> BookController.getBookContent(parameters)
+                        "/cover" -> BookController.getCover(parameters)
                         else -> null
                     }
                 }