diff --git a/app/src/main/java/io/legado/app/api/controller/BookshelfController.kt b/app/src/main/java/io/legado/app/api/controller/BookshelfController.kt
index cb3e4a9f2..df3c96d1c 100644
--- a/app/src/main/java/io/legado/app/api/controller/BookshelfController.kt
+++ b/app/src/main/java/io/legado/app/api/controller/BookshelfController.kt
@@ -66,7 +66,7 @@ object BookshelfController {
             } else {
                 App.db.bookSourceDao.getBookSource(book.origin)?.let { source ->
                     runBlocking {
-                        WebBook(source).getContentAwait(book, chapter)
+                        WebBook(source).getContentAwait(this, book, chapter)
                     }.let {
                         saveBookReadIndex(book, index)
                         returnData.setData(it)
diff --git a/app/src/main/java/io/legado/app/model/Debug.kt b/app/src/main/java/io/legado/app/model/Debug.kt
index d9a9fa49c..ec3d31097 100644
--- a/app/src/main/java/io/legado/app/model/Debug.kt
+++ b/app/src/main/java/io/legado/app/model/Debug.kt
@@ -11,6 +11,7 @@ import io.legado.app.model.webBook.WebBook
 import io.legado.app.utils.htmlFormat
 import io.legado.app.utils.isAbsUrl
 import io.legado.app.utils.msg
+import kotlinx.coroutines.CoroutineScope
 import java.text.SimpleDateFormat
 import java.util.*
 
@@ -101,7 +102,7 @@ object Debug {
             }
     }
 
-    fun startDebug(webBook: WebBook, key: String) {
+    fun startDebug(scope: CoroutineScope, webBook: WebBook, key: String) {
         cancelDebug()
         debugSource = webBook.sourceUrl
         startTime = System.currentTimeMillis()
@@ -111,12 +112,12 @@ object Debug {
                 book.origin = webBook.sourceUrl
                 book.bookUrl = key
                 log(webBook.sourceUrl, "⇒开始访问详情页:$key")
-                infoDebug(webBook, book)
+                infoDebug(scope, webBook, book)
             }
             key.contains("::") -> {
                 val url = key.substring(key.indexOf("::") + 2)
                 log(webBook.sourceUrl, "⇒开始访问发现页:$url")
-                exploreDebug(webBook, url)
+                exploreDebug(scope, webBook, url)
             }
             key.startsWith("++")-> {
                 val url = key.substring(2)
@@ -124,7 +125,7 @@ object Debug {
                 book.origin = webBook.sourceUrl
                 book.tocUrl = url
                 log(webBook.sourceUrl, "⇒开始访目录页:$url")
-                tocDebug(webBook, book)
+                tocDebug(scope, webBook, book)
             }
             key.startsWith("--")-> {
                 val url = key.substring(2)
@@ -134,23 +135,23 @@ object Debug {
                 val chapter = BookChapter()
                 chapter.title = "调试"
                 chapter.url = url
-                contentDebug(webBook, book, chapter, null)
+                contentDebug(scope, webBook, book, chapter, null)
             }
             else -> {
                 log(webBook.sourceUrl, "⇒开始搜索关键字:$key")
-                searchDebug(webBook, key)
+                searchDebug(scope, webBook, key)
             }
         }
     }
 
-    private fun exploreDebug(webBook: WebBook, url: String) {
+    private fun exploreDebug(scope: CoroutineScope, webBook: WebBook, url: String) {
         log(debugSource, "︾开始解析发现页")
-        val explore = webBook.exploreBook(url, 1)
+        val explore = webBook.exploreBook(scope, url, 1)
             .onSuccess { exploreBooks ->
                 if (exploreBooks.isNotEmpty()) {
                     log(debugSource, "︽发现页解析完成")
                     log(debugSource, showTime = false)
-                    infoDebug(webBook, exploreBooks[0].toBook())
+                    infoDebug(scope, webBook, exploreBooks[0].toBook())
                 } else {
                     log(debugSource, "︽未获取到书籍", state = -1)
                 }
@@ -161,14 +162,14 @@ object Debug {
         tasks.add(explore)
     }
 
-    private fun searchDebug(webBook: WebBook, key: String) {
+    private fun searchDebug(scope: CoroutineScope, webBook: WebBook, key: String) {
         log(debugSource, "︾开始解析搜索页")
-        val search = webBook.searchBook(key, 1)
+        val search = webBook.searchBook(scope, key, 1)
             .onSuccess { searchBooks ->
                 if (searchBooks.isNotEmpty()) {
                     log(debugSource, "︽搜索页解析完成")
                     log(debugSource, showTime = false)
-                    infoDebug(webBook, searchBooks[0].toBook())
+                    infoDebug(scope, webBook, searchBooks[0].toBook())
                 } else {
                     log(debugSource, "︽未获取到书籍", state = -1)
                 }
@@ -179,13 +180,13 @@ object Debug {
         tasks.add(search)
     }
 
-    private fun infoDebug(webBook: WebBook, book: Book) {
+    private fun infoDebug(scope: CoroutineScope, webBook: WebBook, book: Book) {
         log(debugSource, "︾开始解析详情页")
-        val info = webBook.getBookInfo(book)
+        val info = webBook.getBookInfo(scope, book)
             .onSuccess {
                 log(debugSource, "︽详情页解析完成")
                 log(debugSource, showTime = false)
-                tocDebug(webBook, book)
+                tocDebug(scope, webBook, book)
             }
             .onError {
                 log(debugSource, it.msg, state = -1)
@@ -193,15 +194,15 @@ object Debug {
         tasks.add(info)
     }
 
-    private fun tocDebug(webBook: WebBook, book: Book) {
+    private fun tocDebug(scope: CoroutineScope, webBook: WebBook, book: Book) {
         log(debugSource, "︾开始解析目录页")
-        val chapterList = webBook.getChapterList(book)
+        val chapterList = webBook.getChapterList(scope, book)
             .onSuccess {
                 if (it.isNotEmpty()) {
                     log(debugSource, "︽目录页解析完成")
                     log(debugSource, showTime = false)
                     val nextChapterUrl = if (it.size > 1) it[1].url else null
-                    contentDebug(webBook, book, it[0], nextChapterUrl)
+                    contentDebug(scope, webBook, book, it[0], nextChapterUrl)
                 } else {
                     log(debugSource, "︽目录列表为空", state = -1)
                 }
@@ -213,13 +214,14 @@ object Debug {
     }
 
     private fun contentDebug(
+        scope: CoroutineScope,
         webBook: WebBook,
         book: Book,
         bookChapter: BookChapter,
         nextChapterUrl: String?
     ) {
         log(debugSource, "︾开始解析正文页")
-        val content = webBook.getContent(book, bookChapter, nextChapterUrl)
+        val content = webBook.getContent(scope, book, bookChapter, nextChapterUrl)
             .onSuccess {
                 log(debugSource, "︽正文页解析完成", state = 1000)
             }
diff --git a/app/src/main/java/io/legado/app/model/webBook/PreciseSearch.kt b/app/src/main/java/io/legado/app/model/webBook/PreciseSearch.kt
new file mode 100644
index 000000000..fe1cd36ce
--- /dev/null
+++ b/app/src/main/java/io/legado/app/model/webBook/PreciseSearch.kt
@@ -0,0 +1,20 @@
+package io.legado.app.model.webBook
+
+import io.legado.app.data.entities.BookSource
+import kotlinx.coroutines.CoroutineScope
+
+/**
+ * 精准搜索
+ */
+object PreciseSearch {
+
+    suspend fun searchFirstBook(
+        scope: CoroutineScope,
+        bookSources: List<BookSource>,
+        name: String,
+        author: String
+    ) {
+
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/model/webBook/SearchBookModel.kt b/app/src/main/java/io/legado/app/model/webBook/SearchBookModel.kt
index d94c4df10..95aa3a95e 100644
--- a/app/src/main/java/io/legado/app/model/webBook/SearchBookModel.kt
+++ b/app/src/main/java/io/legado/app/model/webBook/SearchBookModel.kt
@@ -68,9 +68,9 @@ class SearchBookModel(private val scope: CoroutineScope, private val callBack: C
             searchIndex++
             val source = bookSourceList[searchIndex]
             val task = WebBook(source).searchBook(
+                scope,
                 searchKey,
                 searchPage,
-                scope = scope,
                 context = searchPool!!
             ).timeout(30000L)
                 .onSuccess(IO) {
diff --git a/app/src/main/java/io/legado/app/model/webBook/WebBook.kt b/app/src/main/java/io/legado/app/model/webBook/WebBook.kt
index d864616e9..bafc0ca0f 100644
--- a/app/src/main/java/io/legado/app/model/webBook/WebBook.kt
+++ b/app/src/main/java/io/legado/app/model/webBook/WebBook.kt
@@ -21,9 +21,9 @@ class WebBook(val bookSource: BookSource) {
      * 搜索
      */
     fun searchBook(
+        scope: CoroutineScope,
         key: String,
         page: Int? = 1,
-        scope: CoroutineScope = Coroutine.DEFAULT,
         context: CoroutineContext = Dispatchers.IO,
     ): Coroutine<ArrayList<SearchBook>> {
         return Coroutine.async(scope, context) {
@@ -64,20 +64,20 @@ class WebBook(val bookSource: BookSource) {
      * 发现
      */
     fun exploreBook(
+        scope: CoroutineScope,
         url: String,
         page: Int? = 1,
-        scope: CoroutineScope = Coroutine.DEFAULT,
         context: CoroutineContext = Dispatchers.IO,
     ): Coroutine<List<SearchBook>> {
         return Coroutine.async(scope, context) {
-            exploreBookAwait(url, page, scope)
+            exploreBookAwait(scope, url, page)
         }
     }
 
     suspend fun exploreBookAwait(
+        scope: CoroutineScope = Coroutine.DEFAULT,
         url: String,
         page: Int? = 1,
-        scope: CoroutineScope = Coroutine.DEFAULT
     ): ArrayList<SearchBook> {
         val variableBook = SearchBook()
         val analyzeUrl = AnalyzeUrl(
@@ -103,19 +103,19 @@ class WebBook(val bookSource: BookSource) {
      * 书籍信息
      */
     fun getBookInfo(
+        scope: CoroutineScope,
         book: Book,
-        scope: CoroutineScope = Coroutine.DEFAULT,
         context: CoroutineContext = Dispatchers.IO,
         canReName: Boolean = true,
     ): Coroutine<Book> {
         return Coroutine.async(scope, context) {
-            getBookInfoAwait(book, scope, canReName)
+            getBookInfoAwait(scope, book, canReName)
         }
     }
 
     suspend fun getBookInfoAwait(
-        book: Book,
         scope: CoroutineScope = Coroutine.DEFAULT,
+        book: Book,
         canReName: Boolean = true,
     ): Book {
         book.type = bookSource.bookSourceType
@@ -145,18 +145,18 @@ class WebBook(val bookSource: BookSource) {
      * 目录
      */
     fun getChapterList(
+        scope: CoroutineScope,
         book: Book,
-        scope: CoroutineScope = Coroutine.DEFAULT,
         context: CoroutineContext = Dispatchers.IO
     ): Coroutine<List<BookChapter>> {
         return Coroutine.async(scope, context) {
-            getChapterListAwait(book, scope)
+            getChapterListAwait(scope, book)
         }
     }
 
     suspend fun getChapterListAwait(
+        scope: CoroutineScope = Coroutine.DEFAULT,
         book: Book,
-        scope: CoroutineScope = Coroutine.DEFAULT
     ): List<BookChapter> {
         book.type = bookSource.bookSourceType
         return if (book.bookUrl == book.tocUrl && !book.tocHtml.isNullOrEmpty()) {
@@ -176,22 +176,22 @@ class WebBook(val bookSource: BookSource) {
      * 章节内容
      */
     fun getContent(
+        scope: CoroutineScope,
         book: Book,
         bookChapter: BookChapter,
         nextChapterUrl: String? = null,
-        scope: CoroutineScope = Coroutine.DEFAULT,
         context: CoroutineContext = Dispatchers.IO
     ): Coroutine<String> {
         return Coroutine.async(scope, context) {
-            getContentAwait(book, bookChapter, nextChapterUrl, scope)
+            getContentAwait(scope, book, bookChapter, nextChapterUrl)
         }
     }
 
     suspend fun getContentAwait(
+        scope: CoroutineScope,
         book: Book,
         bookChapter: BookChapter,
         nextChapterUrl: String? = null,
-        scope: CoroutineScope = Coroutine.DEFAULT
     ): String {
         if (bookSource.getContentRule().content.isNullOrEmpty()) {
             Debug.log(sourceUrl, "⇒正文规则为空,使用章节链接:${bookChapter.url}")
diff --git a/app/src/main/java/io/legado/app/service/AudioPlayService.kt b/app/src/main/java/io/legado/app/service/AudioPlayService.kt
index b268adea1..d895def23 100644
--- a/app/src/main/java/io/legado/app/service/AudioPlayService.kt
+++ b/app/src/main/java/io/legado/app/service/AudioPlayService.kt
@@ -270,7 +270,7 @@ class AudioPlayService : BaseService(),
                 val book = AudioPlay.book
                 val webBook = AudioPlay.webBook
                 if (book != null && webBook != null) {
-                    webBook.getContent(book, chapter, scope = this@AudioPlayService)
+                    webBook.getContent(this@AudioPlayService, book, chapter)
                         .onSuccess { content ->
                             if (content.isEmpty()) {
                                 withContext(Main) {
diff --git a/app/src/main/java/io/legado/app/service/CacheBookService.kt b/app/src/main/java/io/legado/app/service/CacheBookService.kt
index 181985df3..06a6dea35 100644
--- a/app/src/main/java/io/legado/app/service/CacheBookService.kt
+++ b/app/src/main/java/io/legado/app/service/CacheBookService.kt
@@ -184,12 +184,8 @@ class CacheBookService : BaseService() {
                     return@async
                 }
                 if (!BookHelp.hasContent(book, bookChapter)) {
-                    webBook.getContent(
-                        book,
-                        bookChapter,
-                        scope = this,
-                        context = searchPool
-                    ).timeout(60000L)
+                    webBook.getContent(this, book, bookChapter, context = searchPool)
+                        .timeout(60000L)
                         .onError {
                             synchronized(this) {
                                 downloadingList.remove(bookChapter.url)
diff --git a/app/src/main/java/io/legado/app/service/help/CacheBook.kt b/app/src/main/java/io/legado/app/service/help/CacheBook.kt
index 1c69ac09c..782ab3bf8 100644
--- a/app/src/main/java/io/legado/app/service/help/CacheBook.kt
+++ b/app/src/main/java/io/legado/app/service/help/CacheBook.kt
@@ -10,6 +10,7 @@ import io.legado.app.data.entities.BookChapter
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.service.CacheBookService
 import io.legado.app.utils.msg
+import kotlinx.coroutines.CoroutineScope
 import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.CopyOnWriteArraySet
 
@@ -61,6 +62,7 @@ object CacheBook {
     }
 
     fun download(
+        scope: CoroutineScope,
         webBook: WebBook,
         book: Book,
         chapter: BookChapter,
@@ -73,7 +75,7 @@ object CacheBook {
             downloadMap[book.bookUrl] = CopyOnWriteArraySet()
         }
         downloadMap[book.bookUrl]?.add(chapter.index)
-        webBook.getContent(book, chapter)
+        webBook.getContent(scope, book, chapter)
             .onSuccess { content ->
                 if (ReadBook.book?.bookUrl == book.bookUrl) {
                     ReadBook.contentLoadFinish(
diff --git a/app/src/main/java/io/legado/app/service/help/CheckSource.kt b/app/src/main/java/io/legado/app/service/help/CheckSource.kt
index 88d1dbcca..596662429 100644
--- a/app/src/main/java/io/legado/app/service/help/CheckSource.kt
+++ b/app/src/main/java/io/legado/app/service/help/CheckSource.kt
@@ -50,7 +50,7 @@ class CheckSource(val source: BookSource) {
     ): Coroutine<*> {
         val webBook = WebBook(source)
         return webBook
-            .searchBook(keyword, scope = scope, context = context)
+            .searchBook(scope, keyword, context = context)
             .timeout(60000L)
             .onError(Dispatchers.IO) {
                 source.addGroup("失效")
diff --git a/app/src/main/java/io/legado/app/service/help/ReadBook.kt b/app/src/main/java/io/legado/app/service/help/ReadBook.kt
index c4fb40204..3a331ab33 100644
--- a/app/src/main/java/io/legado/app/service/help/ReadBook.kt
+++ b/app/src/main/java/io/legado/app/service/help/ReadBook.kt
@@ -282,7 +282,7 @@ object ReadBook {
         val book = book
         val webBook = webBook
         if (book != null && webBook != null) {
-            CacheBook.download(webBook, book, chapter)
+            CacheBook.download(Coroutine.DEFAULT, webBook, book, chapter)
         } else if (book != null) {
             contentLoadFinish(
                 book, chapter, "没有书源", resetPageOffset = resetPageOffset
diff --git a/app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt b/app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt
index 793c8b2d6..184663f3d 100644
--- a/app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt
@@ -53,7 +53,7 @@ class AudioPlayViewModel(application: Application) : BaseViewModel(application)
         changeDruChapterIndex: ((chapters: List<BookChapter>) -> Unit)? = null
     ) {
         execute {
-            AudioPlay.webBook?.getBookInfo(book, this)
+            AudioPlay.webBook?.getBookInfo(this, book)
                 ?.onSuccess {
                     loadChapterList(book, changeDruChapterIndex)
                 }
@@ -65,7 +65,7 @@ class AudioPlayViewModel(application: Application) : BaseViewModel(application)
         changeDruChapterIndex: ((chapters: List<BookChapter>) -> Unit)? = null
     ) {
         execute {
-            AudioPlay.webBook?.getChapterList(book, this)
+            AudioPlay.webBook?.getChapterList(this, book)
                 ?.onSuccess(Dispatchers.IO) { cList ->
                     if (cList.isNotEmpty()) {
                         if (changeDruChapterIndex == null) {
diff --git a/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverViewModel.kt b/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverViewModel.kt
index 305126b36..2bfcffdaa 100644
--- a/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverViewModel.kt
@@ -98,7 +98,7 @@ class ChangeCoverViewModel(application: Application) : BaseViewModel(application
             searchIndex++
             val source = bookSourceList[searchIndex]
             val task = WebBook(source)
-                .searchBook(name, scope = this, context = searchPool!!)
+                .searchBook(this, name, context = searchPool!!)
                 .timeout(60000L)
                 .onSuccess(Dispatchers.IO) {
                     if (it.isNotEmpty()) {
diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceViewModel.kt
index 7c61b8d62..279cf7d79 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceViewModel.kt
@@ -123,7 +123,7 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
         val source = bookSourceList[searchIndex]
         val webBook = WebBook(source)
         val task = webBook
-            .searchBook(name, scope = this, context = searchPool!!)
+            .searchBook(this, name, context = searchPool!!)
             .timeout(60000L)
             .onSuccess(IO) {
                 it.forEach { searchBook ->
@@ -159,7 +159,7 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
     }
 
     private fun loadBookInfo(webBook: WebBook, book: Book) {
-        webBook.getBookInfo(book, this)
+        webBook.getBookInfo(this, book)
             .onSuccess {
                 if (context.getPrefBoolean(PreferKey.changeSourceLoadToc)) {
                     loadBookToc(webBook, book)
@@ -175,7 +175,7 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
     }
 
     private fun loadBookToc(webBook: WebBook, book: Book) {
-        webBook.getChapterList(book, this)
+        webBook.getChapterList(this, book)
             .onSuccess(IO) { chapters ->
                 if (chapters.isNotEmpty()) {
                     book.latestChapterTitle = chapters.last().title
diff --git a/app/src/main/java/io/legado/app/ui/book/explore/ExploreShowViewModel.kt b/app/src/main/java/io/legado/app/ui/book/explore/ExploreShowViewModel.kt
index 5781eb555..502fdefa5 100644
--- a/app/src/main/java/io/legado/app/ui/book/explore/ExploreShowViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/explore/ExploreShowViewModel.kt
@@ -34,7 +34,7 @@ class ExploreShowViewModel(application: Application) : BaseViewModel(application
         val source = bookSource
         val url = exploreUrl
         if (source != null && url != null) {
-            WebBook(source).exploreBook(url, page, this)
+            WebBook(source).exploreBook(this, url, page)
                 .timeout(30000L)
                 .onSuccess(IO) { searchBooks ->
                     booksData.postValue(searchBooks)
diff --git a/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
index ae0be9479..21f2dd157 100644
--- a/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
@@ -57,7 +57,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
                 loadChapter(book, changeDruChapterIndex)
             } else {
                 App.db.bookSourceDao.getBookSource(book.origin)?.let { bookSource ->
-                    WebBook(bookSource).getBookInfo(book, this, canReName = canReName)
+                    WebBook(bookSource).getBookInfo(this, book, canReName = canReName)
                         .onSuccess(IO) {
                             bookData.postValue(book)
                             if (inBookshelf) {
@@ -88,7 +88,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
                 }
             } else {
                 App.db.bookSourceDao.getBookSource(book.origin)?.let { bookSource ->
-                    WebBook(bookSource).getChapterList(book, this)
+                    WebBook(bookSource).getChapterList(this, book)
                         .onSuccess(IO) {
                             if (it.isNotEmpty()) {
                                 if (inBookshelf) {
diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
index 1cdb92986..a6d39b804 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
@@ -109,7 +109,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         if (book.isLocalBook()) {
             loadChapterList(book, changeDruChapterIndex)
         } else {
-            ReadBook.webBook?.getBookInfo(book, this, canReName = false)
+            ReadBook.webBook?.getBookInfo(this, book, canReName = false)
                 ?.onSuccess {
                     loadChapterList(book, changeDruChapterIndex)
                 }
@@ -138,7 +138,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
                 ReadBook.upMsg("LoadTocError:${it.localizedMessage}")
             }
         } else {
-            ReadBook.webBook?.getChapterList(book, this)
+            ReadBook.webBook?.getChapterList(this, book)
                 ?.onSuccess(IO) { cList ->
                     if (cList.isNotEmpty()) {
                         if (changeDruChapterIndex == null) {
@@ -215,8 +215,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         execute {
             App.db.bookSourceDao.allTextEnabled.forEach { source ->
                 try {
-                    WebBook(source)
-                        .searchBookAwait(this, name)
+                    WebBook(source).searchBookAwait(this, name)
                         .getOrNull(0)?.let {
                             if (it.name == name && (it.author == author || author == "")) {
                                 val book = it.toBook()
diff --git a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt
index 82ce0736c..58c8a5307 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugModel.kt
@@ -28,11 +28,14 @@ class BookSourceDebugModel(application: Application) : BaseViewModel(application
     }
 
     fun startDebug(key: String, start: (() -> Unit)? = null, error: (() -> Unit)? = null) {
-        webBook?.let {
+        execute {
+            Debug.callback = this@BookSourceDebugModel
+            Debug.startDebug(this, webBook!!, key)
+        }.onStart {
             start?.invoke()
-            Debug.callback = this
-            Debug.startDebug(it, key)
-        } ?: error?.invoke()
+        }.onError {
+            error?.invoke()
+        }
     }
 
     override fun printLog(state: Int, msg: String) {
diff --git a/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt b/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt
index 242e94baa..eea5da5e1 100644
--- a/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt
@@ -75,7 +75,7 @@ class MainViewModel(application: Application) : BaseViewModel(application) {
                 }
                 App.db.bookSourceDao.getBookSource(book.origin)?.let { bookSource ->
                     val webBook = WebBook(bookSource)
-                    webBook.getChapterList(book, context = upTocPool)
+                    webBook.getChapterList(this, book, context = upTocPool)
                         .timeout(300000)
                         .onSuccess(IO) {
                             App.db.bookDao.update(book)
@@ -115,7 +115,7 @@ class MainViewModel(application: Application) : BaseViewModel(application) {
                             var addToCache = false
                             while (!addToCache) {
                                 if (CacheBook.downloadCount() < 5) {
-                                    CacheBook.download(webBook, book, chapter)
+                                    CacheBook.download(this, webBook, book, chapter)
                                     addToCache = true
                                 } else {
                                     delay(1000)
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfViewModel.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfViewModel.kt
index d8ec442ad..5d3fafb4b 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfViewModel.kt
@@ -43,7 +43,7 @@ class BookshelfViewModel(application: Application) : BaseViewModel(application)
                         origin = bookSource.bookSourceUrl,
                         originName = bookSource.bookSourceName
                     )
-                    WebBook(bookSource).getBookInfo(book, this)
+                    WebBook(bookSource).getBookInfo(this, book)
                         .onSuccess(IO) {
                             it.order = App.db.bookDao.maxOrder + 1
                             App.db.bookDao.insert(it)
@@ -71,13 +71,6 @@ class BookshelfViewModel(application: Application) : BaseViewModel(application)
                 val bookMap = hashMapOf<String, String?>()
                 bookMap["name"] = it.name
                 bookMap["author"] = it.author
-                bookMap["bookUrl"] = it.bookUrl
-                bookMap["coverUrl"] = it.coverUrl
-                bookMap["tocUrl"] = it.tocUrl
-                bookMap["kind"] = it.kind
-                bookMap["intro"] = it.getDisplayIntro()
-                bookMap["origin"] = it.origin
-                bookMap["originName"] = it.originName
                 exportList.add(bookMap)
             }
             GSON.toJson(exportList)
@@ -96,23 +89,20 @@ class BookshelfViewModel(application: Application) : BaseViewModel(application)
                     }
                 }
                 text.isJsonArray() -> {
+                    val bookSources = App.db.bookSourceDao.allEnabled
                     GSON.fromJsonArray<Map<String, String?>>(text)?.forEach {
-                        val book = Book(
-                            bookUrl = it["bookUrl"] ?: "",
-                            name = it["name"] ?: "",
-                            author = it["author"] ?: "",
-                            coverUrl = it["coverUrl"],
-                            tocUrl = it["tocUrl"] ?: "",
-                            kind = it["kind"],
-                            intro = it["intro"] ?: "",
-                            origin = it["origin"] ?: "",
-                            originName = it["originName"] ?: ""
-                        )
-                        if (groupId > 0) {
-                            book.group = groupId
-                        }
-                        if (App.db.bookDao.getBook(book.name, book.author) == null) {
-                            App.db.bookDao.insert(book)
+                        val name = it["name"] ?: ""
+                        val author = it["author"] ?: ""
+                        bookSources.forEach { bookSource ->
+                            runCatching {
+                                val webBook = WebBook(bookSource)
+                                val searchBooks = webBook.searchBookAwait(this, name)
+                                val searchBook = searchBooks.firstOrNull()
+                                if (searchBook != null && searchBook.name == name && searchBook.author == author) {
+                                    val book = webBook.getBookInfoAwait(this, searchBook.toBook())
+                                    App.db.bookDao.insert(book)
+                                }
+                            }
                         }
                     }
                 }
diff --git a/app/src/main/java/io/legado/app/web/utils/SourceDebugWebSocket.kt b/app/src/main/java/io/legado/app/web/utils/SourceDebugWebSocket.kt
index 3e68f1fd1..136035a80 100644
--- a/app/src/main/java/io/legado/app/web/utils/SourceDebugWebSocket.kt
+++ b/app/src/main/java/io/legado/app/web/utils/SourceDebugWebSocket.kt
@@ -57,7 +57,7 @@ class SourceDebugWebSocket(handshakeRequest: NanoHTTPD.IHTTPSession) :
                 }
                 App.db.bookSourceDao.getBookSource(tag)?.let {
                     Debug.callback = this
-                    Debug.startDebug(WebBook(it), key)
+                    Debug.startDebug(this, WebBook(it), key)
                 }
             }
         }