diff --git a/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt b/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt
index 6f05449b2..b74812cf2 100644
--- a/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt
@@ -6,13 +6,12 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.widget.Toolbar
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.Lifecycle.State.STARTED
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
-import androidx.lifecycle.Lifecycle.State.STARTED
 import androidx.recyclerview.widget.GridLayoutManager
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
-import io.legado.app.data.entities.SearchBook
 import io.legado.app.databinding.DialogChangeCoverBinding
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.utils.applyTint
diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeBookSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeBookSourceViewModel.kt
index 58d493d4a..363478363 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeBookSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeBookSourceViewModel.kt
@@ -4,13 +4,11 @@ import android.app.Application
 import android.os.Bundle
 import androidx.annotation.CallSuper
 import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.viewModelScope
 import io.legado.app.base.BaseViewModel
 import io.legado.app.constant.AppConst
 import io.legado.app.constant.AppLog
 import io.legado.app.constant.AppPattern
 import io.legado.app.constant.EventBus
-import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
@@ -22,10 +20,7 @@ import io.legado.app.help.config.AppConfig
 import io.legado.app.help.config.SourceConfig
 import io.legado.app.help.coroutine.CompositeCoroutine
 import io.legado.app.help.coroutine.Coroutine
-import io.legado.app.model.ReadBook
 import io.legado.app.model.webBook.WebBook
-import io.legado.app.ui.book.read.ReadBookActivity
-import io.legado.app.utils.getPrefBoolean
 import io.legado.app.utils.postEvent
 import io.legado.app.utils.toastOnUi
 import kotlinx.coroutines.*
diff --git a/app/src/main/java/io/legado/app/ui/book/import/local/ImportBookAdapter.kt b/app/src/main/java/io/legado/app/ui/book/import/local/ImportBookAdapter.kt
index d4c911e7b..7b59a526f 100644
--- a/app/src/main/java/io/legado/app/ui/book/import/local/ImportBookAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/import/local/ImportBookAdapter.kt
@@ -2,16 +2,12 @@ package io.legado.app.ui.book.import.local
 
 import android.annotation.SuppressLint
 import android.content.Context
-import android.net.Uri
 import android.view.ViewGroup
 import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.RecyclerAdapter
 import io.legado.app.constant.AppConst
-import io.legado.app.data.entities.Book
 import io.legado.app.databinding.ItemImportBookBinding
-import io.legado.app.help.book.archiveName
-import io.legado.app.help.book.isArchive
 import io.legado.app.model.localBook.LocalBook
 import io.legado.app.utils.*
 
diff --git a/app/src/main/java/io/legado/app/ui/book/import/remote/RemoteBookAdapter.kt b/app/src/main/java/io/legado/app/ui/book/import/remote/RemoteBookAdapter.kt
index 04f569940..863367c33 100644
--- a/app/src/main/java/io/legado/app/ui/book/import/remote/RemoteBookAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/import/remote/RemoteBookAdapter.kt
@@ -7,7 +7,6 @@ import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.RecyclerAdapter
 import io.legado.app.constant.AppConst
-import io.legado.app.data.entities.Book
 import io.legado.app.databinding.ItemImportBookBinding
 import io.legado.app.model.remote.RemoteBook
 import io.legado.app.utils.ConvertUtils