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
index fe1cd36ce..1615d57cc 100644
--- a/app/src/main/java/io/legado/app/model/webBook/PreciseSearch.kt
+++ b/app/src/main/java/io/legado/app/model/webBook/PreciseSearch.kt
@@ -1,5 +1,6 @@
 package io.legado.app.model.webBook
 
+import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookSource
 import kotlinx.coroutines.CoroutineScope
 
@@ -13,8 +14,22 @@ object PreciseSearch {
         bookSources: List<BookSource>,
         name: String,
         author: String
-    ) {
-
+    ): Book? {
+        bookSources.forEach { bookSource ->
+            val webBook = WebBook(bookSource)
+            kotlin.runCatching {
+                webBook.searchBookAwait(scope, name).firstOrNull {
+                    it.name == name && it.author == author
+                }?.let {
+                    return if (it.tocUrl.isBlank()) {
+                        webBook.getBookInfoAwait(scope, it.toBook())
+                    } else {
+                        it.toBook()
+                    }
+                }
+            }
+        }
+        return null
     }
 
 }
\ No newline at end of file
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 a6d39b804..de9c080d7 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
@@ -13,10 +13,12 @@ import io.legado.app.help.BookHelp
 import io.legado.app.help.IntentDataHelp
 import io.legado.app.help.storage.BookWebDav
 import io.legado.app.model.localBook.LocalBook
+import io.legado.app.model.webBook.PreciseSearch
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.service.BaseReadAloudService
 import io.legado.app.service.help.ReadAloud
 import io.legado.app.service.help.ReadBook
+import io.legado.app.utils.msg
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Dispatchers.Main
 import kotlinx.coroutines.withContext
@@ -213,23 +215,18 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
     private fun autoChangeSource(name: String, author: String) {
         if (!AppConfig.autoChangeSource) return
         execute {
-            App.db.bookSourceDao.allTextEnabled.forEach { source ->
-                try {
-                    WebBook(source).searchBookAwait(this, name)
-                        .getOrNull(0)?.let {
-                            if (it.name == name && (it.author == author || author == "")) {
-                                val book = it.toBook()
-                                book.upInfoFromOld(ReadBook.book)
-                                changeTo(book)
-                                return@execute
-                            }
-                        }
-                } catch (e: Exception) {
-                    //nothing
-                }
+            val sources = App.db.bookSourceDao.allTextEnabled
+            val book = PreciseSearch.searchFirstBook(this, sources, name, author)
+            if (book != null) {
+                book.upInfoFromOld(ReadBook.book)
+                changeTo(book)
+            } else {
+                throw Exception("自动换源失败")
             }
         }.onStart {
             ReadBook.upMsg(context.getString(R.string.source_auto_changing))
+        }.onError {
+            toast(it.msg)
         }.onFinally {
             ReadBook.upMsg(null)
         }
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 5d3fafb4b..a0d98dd44 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
@@ -7,6 +7,7 @@ import io.legado.app.base.BaseViewModel
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookGroup
 import io.legado.app.data.entities.BookSource
+import io.legado.app.model.webBook.PreciseSearch
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.utils.*
 import kotlinx.coroutines.Dispatchers.IO
@@ -89,22 +90,7 @@ class BookshelfViewModel(application: Application) : BaseViewModel(application)
                     }
                 }
                 text.isJsonArray() -> {
-                    val bookSources = App.db.bookSourceDao.allEnabled
-                    GSON.fromJsonArray<Map<String, String?>>(text)?.forEach {
-                        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)
-                                }
-                            }
-                        }
-                    }
+                    importBookshelfByJson(text, groupId)
                 }
                 else -> {
                     throw Exception("格式不对")
@@ -115,6 +101,27 @@ class BookshelfViewModel(application: Application) : BaseViewModel(application)
         }
     }
 
+    private fun importBookshelfByJson(json: String, groupId: Long) {
+        execute {
+            val bookSources = App.db.bookSourceDao.allEnabled
+            GSON.fromJsonArray<Map<String, String?>>(json)?.forEach {
+                val name = it["name"] ?: ""
+                val author = it["author"] ?: ""
+                if (name.isNotEmpty() && App.db.bookDao.getBook(name, author) == null) {
+                    val book = PreciseSearch
+                        .searchFirstBook(this, bookSources, name, author)
+                    book?.let {
+                        if (groupId > 0) {
+                            book.group = groupId
+                        }
+                    }
+                }
+            }
+        }.onFinally {
+            toast(R.string.success)
+        }
+    }
+
     fun checkGroup(groups: List<BookGroup>) {
         groups.forEach { group ->
             if (group.groupId >= 0 && group.groupId and (group.groupId - 1) != 0L) {