diff --git a/app/src/main/java/io/legado/app/base/adapter/SimpleRecyclerAdapter.kt b/app/src/main/java/io/legado/app/base/adapter/DiffRecyclerAdapter.kt
similarity index 93%
rename from app/src/main/java/io/legado/app/base/adapter/SimpleRecyclerAdapter.kt
rename to app/src/main/java/io/legado/app/base/adapter/DiffRecyclerAdapter.kt
index f8c5e7e85..ea96c3b61 100644
--- a/app/src/main/java/io/legado/app/base/adapter/SimpleRecyclerAdapter.kt
+++ b/app/src/main/java/io/legado/app/base/adapter/DiffRecyclerAdapter.kt
@@ -15,7 +15,7 @@ import kotlin.collections.ArrayList
  * Created by Invincible on 2017/12/15.
  */
 @Suppress("unused")
-abstract class SimpleRecyclerAdapter<ITEM, VB : ViewBinding>(protected val context: Context) :
+abstract class DiffRecyclerAdapter<ITEM, VB : ViewBinding>(protected val context: Context) :
     RecyclerView.Adapter<ItemViewHolder>() {
 
     val inflater: LayoutInflater = LayoutInflater.from(context)
@@ -31,18 +31,7 @@ abstract class SimpleRecyclerAdapter<ITEM, VB : ViewBinding>(protected val conte
 
     var itemAnimation: ItemAnimation? = null
 
-    open val diffItemCallback: DiffUtil.ItemCallback<ITEM> =
-        object : DiffUtil.ItemCallback<ITEM>() {
-
-            override fun areItemsTheSame(oldItem: ITEM, newItem: ITEM): Boolean {
-                return false
-            }
-
-            override fun areContentsTheSame(oldItem: ITEM, newItem: ITEM): Boolean {
-                return true
-            }
-
-        }
+    abstract val diffItemCallback: DiffUtil.ItemCallback<ITEM>
 
     fun setOnItemClickListener(listener: (holder: ItemViewHolder, item: ITEM) -> Unit) {
         itemClickListener = listener
diff --git a/app/src/main/java/io/legado/app/ui/about/ReadRecordActivity.kt b/app/src/main/java/io/legado/app/ui/about/ReadRecordActivity.kt
index 58d2cd1a3..45659854b 100644
--- a/app/src/main/java/io/legado/app/ui/about/ReadRecordActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/about/ReadRecordActivity.kt
@@ -8,8 +8,8 @@ import android.view.ViewGroup
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseActivity
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.ReadRecordShow
 import io.legado.app.databinding.ActivityReadRecordBinding
 import io.legado.app.databinding.ItemReadRecordBinding
@@ -92,7 +92,7 @@ class ReadRecordActivity : BaseActivity<ActivityReadRecordBinding>() {
     }
 
     inner class RecordAdapter(context: Context) :
-        SimpleRecyclerAdapter<ReadRecordShow, ItemReadRecordBinding>(context) {
+        CommonRecyclerAdapter<ReadRecordShow, ItemReadRecordBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemReadRecordBinding {
             return ItemReadRecordBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt
index ef89a5097..d37c1cc3a 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt
@@ -12,8 +12,8 @@ import androidx.appcompat.widget.Toolbar
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.BookSource
 import io.legado.app.databinding.DialogEditTextBinding
@@ -126,7 +126,7 @@ class ImportBookSourceDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickList
     }
 
     inner class SourcesAdapter(context: Context) :
-        SimpleRecyclerAdapter<BookSource, ItemSourceImportBinding>(context) {
+        CommonRecyclerAdapter<BookSource, ItemSourceImportBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemSourceImportBinding {
             return ItemSourceImportBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt
index 9753ac7f0..7c3fa1591 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt
@@ -12,8 +12,8 @@ import androidx.appcompat.widget.Toolbar
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.RssSource
 import io.legado.app.databinding.DialogEditTextBinding
@@ -126,7 +126,7 @@ class ImportRssSourceDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListe
     }
 
     inner class SourcesAdapter(context: Context) :
-        SimpleRecyclerAdapter<RssSource, ItemSourceImportBinding>(context) {
+        CommonRecyclerAdapter<RssSource, ItemSourceImportBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemSourceImportBinding {
             return ItemSourceImportBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt b/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt
index af566ed2c..afb865e24 100644
--- a/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt
@@ -5,8 +5,8 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.core.os.bundleOf
 import androidx.recyclerview.widget.RecyclerView
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookGroup
 import io.legado.app.databinding.ItemArrangeBookBinding
@@ -18,7 +18,8 @@ import org.jetbrains.anko.sdk27.listeners.onClick
 import java.util.*
 
 class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<Book, ItemArrangeBookBinding>(context),
+    CommonRecyclerAdapter<Book, ItemArrangeBookBinding>(context),
+
     ItemTouchCallback.Callback {
     val groupRequestCode = 12
     private val selectedBooks: HashSet<Book> = hashSetOf()
diff --git a/app/src/main/java/io/legado/app/ui/book/cache/CacheAdapter.kt b/app/src/main/java/io/legado/app/ui/book/cache/CacheAdapter.kt
index e28572e93..d936f0d17 100644
--- a/app/src/main/java/io/legado/app/ui/book/cache/CacheAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/cache/CacheAdapter.kt
@@ -4,8 +4,8 @@ import android.content.Context
 import android.view.ViewGroup
 import android.widget.ImageView
 import io.legado.app.R
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.databinding.ItemDownloadBinding
@@ -16,7 +16,7 @@ import java.util.concurrent.CopyOnWriteArraySet
 
 
 class CacheAdapter(context: Context, private val callBack: CallBack) :
-    SimpleRecyclerAdapter<Book, ItemDownloadBinding>(context) {
+    CommonRecyclerAdapter<Book, ItemDownloadBinding>(context) {
 
     val cacheChapters = hashMapOf<String, HashSet<String>>()
     var downloadMap: ConcurrentHashMap<String, CopyOnWriteArraySet<BookChapter>>? = null
diff --git a/app/src/main/java/io/legado/app/ui/book/changecover/CoverAdapter.kt b/app/src/main/java/io/legado/app/ui/book/changecover/CoverAdapter.kt
index 6132ca3dd..6801e0ebc 100644
--- a/app/src/main/java/io/legado/app/ui/book/changecover/CoverAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changecover/CoverAdapter.kt
@@ -3,14 +3,14 @@ package io.legado.app.ui.book.changecover
 import android.content.Context
 import android.view.ViewGroup
 import androidx.recyclerview.widget.DiffUtil
+import io.legado.app.base.adapter.DiffRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.SearchBook
 import io.legado.app.databinding.ItemCoverBinding
 import org.jetbrains.anko.sdk27.listeners.onClick
 
 class CoverAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<SearchBook, ItemCoverBinding>(context) {
+    DiffRecyclerAdapter<SearchBook, ItemCoverBinding>(context) {
 
     override val diffItemCallback: DiffUtil.ItemCallback<SearchBook>
         get() = object : DiffUtil.ItemCallback<SearchBook>() {
diff --git a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt
index 48a9dfcc1..2db9cb239 100644
--- a/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/changesource/ChangeSourceAdapter.kt
@@ -7,8 +7,8 @@ import android.view.ViewGroup
 import androidx.appcompat.widget.PopupMenu
 import androidx.recyclerview.widget.DiffUtil
 import io.legado.app.R
+import io.legado.app.base.adapter.DiffRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.SearchBook
 import io.legado.app.databinding.ItemChangeSourceBinding
 import io.legado.app.utils.invisible
@@ -18,7 +18,7 @@ import org.jetbrains.anko.sdk27.listeners.onLongClick
 
 
 class ChangeSourceAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<SearchBook, ItemChangeSourceBinding>(context) {
+    DiffRecyclerAdapter<SearchBook, ItemChangeSourceBinding>(context) {
 
     override val diffItemCallback: DiffUtil.ItemCallback<SearchBook>
         get() = object : DiffUtil.ItemCallback<SearchBook>() {
diff --git a/app/src/main/java/io/legado/app/ui/book/group/GroupManageDialog.kt b/app/src/main/java/io/legado/app/ui/book/group/GroupManageDialog.kt
index d0d237f7d..0e93876d9 100644
--- a/app/src/main/java/io/legado/app/ui/book/group/GroupManageDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/group/GroupManageDialog.kt
@@ -16,8 +16,8 @@ import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.DiffRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.BookGroup
 import io.legado.app.databinding.DialogEditTextBinding
 import io.legado.app.databinding.DialogRecyclerViewBinding
@@ -137,7 +137,7 @@ class GroupManageDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
     }
 
     private inner class GroupAdapter(context: Context) :
-        SimpleRecyclerAdapter<BookGroup, ItemGroupManageBinding>(context),
+        DiffRecyclerAdapter<BookGroup, ItemGroupManageBinding>(context),
         ItemTouchCallback.Callback {
 
         private var isMoved = false
diff --git a/app/src/main/java/io/legado/app/ui/book/group/GroupSelectDialog.kt b/app/src/main/java/io/legado/app/ui/book/group/GroupSelectDialog.kt
index b341e6db9..23f4d6cb5 100644
--- a/app/src/main/java/io/legado/app/ui/book/group/GroupSelectDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/group/GroupSelectDialog.kt
@@ -15,8 +15,8 @@ import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.BookGroup
 import io.legado.app.databinding.DialogBookGroupPickerBinding
 import io.legado.app.databinding.DialogEditTextBinding
@@ -152,7 +152,7 @@ class GroupSelectDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
     }
 
     private inner class GroupAdapter(context: Context) :
-        SimpleRecyclerAdapter<BookGroup, ItemGroupSelectBinding>(context),
+        CommonRecyclerAdapter<BookGroup, ItemGroupSelectBinding>(context),
         ItemTouchCallback.Callback {
 
         private var isMoved: Boolean = false
diff --git a/app/src/main/java/io/legado/app/ui/book/info/ChapterListAdapter.kt b/app/src/main/java/io/legado/app/ui/book/info/ChapterListAdapter.kt
index 38a8c37e2..a7ad5ef6b 100644
--- a/app/src/main/java/io/legado/app/ui/book/info/ChapterListAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/ChapterListAdapter.kt
@@ -3,8 +3,8 @@ package io.legado.app.ui.book.info
 import android.content.Context
 import android.view.ViewGroup
 import io.legado.app.R
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.databinding.ItemChapterListBinding
 import io.legado.app.lib.theme.accentColor
@@ -12,7 +12,7 @@ import org.jetbrains.anko.sdk27.listeners.onClick
 import org.jetbrains.anko.textColorResource
 
 class ChapterListAdapter(context: Context, var callBack: CallBack) :
-    SimpleRecyclerAdapter<BookChapter, ItemChapterListBinding>(context) {
+    CommonRecyclerAdapter<BookChapter, ItemChapterListBinding>(context) {
 
     override fun getViewBinding(parent: ViewGroup): ItemChapterListBinding {
         return ItemChapterListBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/book/read/TextActionMenu.kt b/app/src/main/java/io/legado/app/ui/book/read/TextActionMenu.kt
index 5d0946903..48c74e2bd 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/TextActionMenu.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/TextActionMenu.kt
@@ -19,8 +19,8 @@ import androidx.appcompat.view.menu.MenuBuilder
 import androidx.appcompat.view.menu.MenuItemImpl
 import androidx.core.view.isVisible
 import io.legado.app.R
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.databinding.ItemTextBinding
 import io.legado.app.databinding.PopupActionMenuBinding
 import io.legado.app.service.BaseReadAloudService
@@ -89,7 +89,7 @@ class TextActionMenu(private val context: Context, private val callBack: CallBac
     }
 
     inner class Adapter(context: Context) :
-        SimpleRecyclerAdapter<MenuItemImpl, ItemTextBinding>(context) {
+        CommonRecyclerAdapter<MenuItemImpl, ItemTextBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemTextBinding {
             return ItemTextBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineDialog.kt
index 43d09c391..92c857d99 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineDialog.kt
@@ -13,8 +13,8 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.HttpTTS
 import io.legado.app.databinding.DialogHttpTtsEditBinding
@@ -128,7 +128,7 @@ class SpeakEngineDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
     }
 
     inner class Adapter(context: Context) :
-        SimpleRecyclerAdapter<HttpTTS, ItemHttpTtsBinding>(context) {
+        CommonRecyclerAdapter<HttpTTS, ItemHttpTtsBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemHttpTtsBinding {
             return ItemHttpTtsBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt
index 9899a5378..1c4252c3c 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt
@@ -17,8 +17,8 @@ import com.google.android.material.snackbar.Snackbar
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.TxtTocRule
 import io.legado.app.databinding.DialogEditTextBinding
 import io.legado.app.databinding.DialogTocRegexBinding
@@ -189,7 +189,7 @@ class TocRegexDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
     }
 
     inner class TocRegexAdapter(context: Context) :
-        SimpleRecyclerAdapter<TxtTocRule, ItemTocRegexBinding>(context),
+        CommonRecyclerAdapter<TxtTocRule, ItemTocRegexBinding>(context),
         ItemTouchCallback.Callback {
 
         override fun getViewBinding(parent: ViewGroup): ItemTocRegexBinding {
diff --git a/app/src/main/java/io/legado/app/ui/book/search/HistoryKeyAdapter.kt b/app/src/main/java/io/legado/app/ui/book/search/HistoryKeyAdapter.kt
index 5500573ac..7417c16c3 100644
--- a/app/src/main/java/io/legado/app/ui/book/search/HistoryKeyAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/HistoryKeyAdapter.kt
@@ -2,8 +2,8 @@ package io.legado.app.ui.book.search
 
 import android.view.ViewGroup
 import io.legado.app.App
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.SearchKeyword
 import io.legado.app.databinding.ItemFilletTextBinding
 import io.legado.app.ui.widget.anima.explosion_field.ExplosionField
@@ -15,7 +15,7 @@ import org.jetbrains.anko.sdk27.listeners.onLongClick
 
 
 class HistoryKeyAdapter(activity: SearchActivity, val callBack: CallBack) :
-    SimpleRecyclerAdapter<SearchKeyword, ItemFilletTextBinding>(activity) {
+    CommonRecyclerAdapter<SearchKeyword, ItemFilletTextBinding>(activity) {
 
     private val explosionField = ExplosionField.attach2Window(activity)
 
diff --git a/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt b/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt
index c3d77b2fe..732a5de4e 100644
--- a/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/search/SearchAdapter.kt
@@ -5,8 +5,8 @@ import android.os.Bundle
 import android.view.ViewGroup
 import androidx.recyclerview.widget.DiffUtil
 import io.legado.app.R
+import io.legado.app.base.adapter.DiffRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.SearchBook
 import io.legado.app.databinding.ItemSearchBinding
 import io.legado.app.utils.gone
@@ -14,7 +14,7 @@ import io.legado.app.utils.visible
 import org.jetbrains.anko.sdk27.listeners.onClick
 
 class SearchAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<SearchBook, ItemSearchBinding>(context) {
+    DiffRecyclerAdapter<SearchBook, ItemSearchBinding>(context) {
 
     override val diffItemCallback: DiffUtil.ItemCallback<SearchBook>
         get() = object : DiffUtil.ItemCallback<SearchBook>() {
diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
index 949a86516..41e5a1819 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
@@ -11,8 +11,8 @@ import androidx.core.os.bundleOf
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
+import io.legado.app.base.adapter.DiffRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.BookSource
 import io.legado.app.databinding.ItemBookSourceBinding
 import io.legado.app.lib.theme.backgroundColor
@@ -23,11 +23,53 @@ import io.legado.app.utils.visible
 import org.jetbrains.anko.sdk27.listeners.onClick
 
 class BookSourceAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<BookSource, ItemBookSourceBinding>(context),
+    DiffRecyclerAdapter<BookSource, ItemBookSourceBinding>(context),
     Callback {
 
     override val diffItemCallback: DiffUtil.ItemCallback<BookSource>
-        get() = DiffCallBack()
+        get() = object : DiffUtil.ItemCallback<BookSource>() {
+
+            override fun areItemsTheSame(oldItem: BookSource, newItem: BookSource): Boolean {
+                return oldItem.bookSourceUrl == newItem.bookSourceUrl
+            }
+
+            override fun areContentsTheSame(oldItem: BookSource, newItem: BookSource): Boolean {
+                if (oldItem.bookSourceName != newItem.bookSourceName)
+                    return false
+                if (oldItem.bookSourceGroup != newItem.bookSourceGroup)
+                    return false
+                if (oldItem.enabled != newItem.enabled)
+                    return false
+                if (oldItem.enabledExplore != newItem.enabledExplore
+                    || oldItem.exploreUrl != newItem.exploreUrl
+                ) {
+                    return false
+                }
+                return true
+            }
+
+            override fun getChangePayload(oldItem: BookSource, newItem: BookSource): Any? {
+                val payload = Bundle()
+                if (oldItem.bookSourceName != newItem.bookSourceName) {
+                    payload.putString("name", newItem.bookSourceName)
+                }
+                if (oldItem.bookSourceGroup != newItem.bookSourceGroup) {
+                    payload.putString("group", newItem.bookSourceGroup)
+                }
+                if (oldItem.enabled != newItem.enabled) {
+                    payload.putBoolean("enabled", newItem.enabled)
+                }
+                if (oldItem.enabledExplore != newItem.enabledExplore
+                    || oldItem.exploreUrl != newItem.exploreUrl
+                ) {
+                    payload.putBoolean("showExplore", true)
+                }
+                if (payload.isEmpty) {
+                    return null
+                }
+                return payload
+            }
+        }
 
     private val selected = linkedSetOf<BookSource>()
 
diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/DiffCallBack.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/DiffCallBack.kt
deleted file mode 100644
index 787e3a129..000000000
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/DiffCallBack.kt
+++ /dev/null
@@ -1,49 +0,0 @@
-package io.legado.app.ui.book.source.manage
-
-import android.os.Bundle
-import androidx.recyclerview.widget.DiffUtil
-import io.legado.app.data.entities.BookSource
-
-class DiffCallBack : DiffUtil.ItemCallback<BookSource>() {
-
-    override fun areItemsTheSame(oldItem: BookSource, newItem: BookSource): Boolean {
-        return oldItem.bookSourceUrl == newItem.bookSourceUrl
-    }
-
-    override fun areContentsTheSame(oldItem: BookSource, newItem: BookSource): Boolean {
-        if (oldItem.bookSourceName != newItem.bookSourceName)
-            return false
-        if (oldItem.bookSourceGroup != newItem.bookSourceGroup)
-            return false
-        if (oldItem.enabled != newItem.enabled)
-            return false
-        if (oldItem.enabledExplore != newItem.enabledExplore
-            || oldItem.exploreUrl != newItem.exploreUrl
-        ) {
-            return false
-        }
-        return true
-    }
-
-    override fun getChangePayload(oldItem: BookSource, newItem: BookSource): Any? {
-        val payload = Bundle()
-        if (oldItem.bookSourceName != newItem.bookSourceName) {
-            payload.putString("name", newItem.bookSourceName)
-        }
-        if (oldItem.bookSourceGroup != newItem.bookSourceGroup) {
-            payload.putString("group", newItem.bookSourceGroup)
-        }
-        if (oldItem.enabled != newItem.enabled) {
-            payload.putBoolean("enabled", newItem.enabled)
-        }
-        if (oldItem.enabledExplore != newItem.enabledExplore
-            || oldItem.exploreUrl != newItem.exploreUrl
-        ) {
-            payload.putBoolean("showExplore", true)
-        }
-        if (payload.isEmpty) {
-            return null
-        }
-        return payload
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/GroupManageDialog.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/GroupManageDialog.kt
index 01483ad62..1a221453c 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/GroupManageDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/GroupManageDialog.kt
@@ -12,8 +12,8 @@ import androidx.fragment.app.DialogFragment
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.App
 import io.legado.app.R
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.constant.AppPattern
 import io.legado.app.databinding.DialogEditTextBinding
 import io.legado.app.databinding.DialogRecyclerViewBinding
@@ -109,7 +109,7 @@ class GroupManageDialog : DialogFragment(), Toolbar.OnMenuItemClickListener {
     }
 
     private inner class GroupAdapter(context: Context) :
-        SimpleRecyclerAdapter<String, ItemGroupManageBinding>(context) {
+        CommonRecyclerAdapter<String, ItemGroupManageBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemGroupManageBinding {
             return ItemGroupManageBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/book/toc/ChapterListAdapter.kt b/app/src/main/java/io/legado/app/ui/book/toc/ChapterListAdapter.kt
index bb1c7c53a..f0409de61 100644
--- a/app/src/main/java/io/legado/app/ui/book/toc/ChapterListAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/toc/ChapterListAdapter.kt
@@ -3,8 +3,8 @@ package io.legado.app.ui.book.toc
 import android.content.Context
 import android.view.ViewGroup
 import io.legado.app.R
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.databinding.ItemChapterListBinding
 import io.legado.app.lib.theme.accentColor
@@ -13,7 +13,7 @@ import io.legado.app.utils.visible
 import org.jetbrains.anko.sdk27.listeners.onClick
 
 class ChapterListAdapter(context: Context, val callback: Callback) :
-    SimpleRecyclerAdapter<BookChapter, ItemChapterListBinding>(context) {
+    CommonRecyclerAdapter<BookChapter, ItemChapterListBinding>(context) {
 
     val cacheFileNames = hashSetOf<String>()
 
diff --git a/app/src/main/java/io/legado/app/ui/config/ThemeListDialog.kt b/app/src/main/java/io/legado/app/ui/config/ThemeListDialog.kt
index 06cacaf1a..656490788 100644
--- a/app/src/main/java/io/legado/app/ui/config/ThemeListDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/config/ThemeListDialog.kt
@@ -9,8 +9,8 @@ import androidx.appcompat.widget.Toolbar
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.databinding.DialogRecyclerViewBinding
 import io.legado.app.databinding.ItemThemeConfigBinding
 import io.legado.app.help.ThemeConfig
@@ -96,7 +96,7 @@ class ThemeListDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
     }
 
     inner class Adapter :
-        SimpleRecyclerAdapter<ThemeConfig.Config, ItemThemeConfigBinding>(requireContext()) {
+        CommonRecyclerAdapter<ThemeConfig.Config, ItemThemeConfigBinding>(requireContext()) {
 
         override fun getViewBinding(parent: ViewGroup): ItemThemeConfigBinding {
             return ItemThemeConfigBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/filepicker/adapter/FileAdapter.kt b/app/src/main/java/io/legado/app/ui/filepicker/adapter/FileAdapter.kt
index 999157497..e59a59b9a 100644
--- a/app/src/main/java/io/legado/app/ui/filepicker/adapter/FileAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/filepicker/adapter/FileAdapter.kt
@@ -3,8 +3,8 @@ package io.legado.app.ui.filepicker.adapter
 
 import android.content.Context
 import android.view.ViewGroup
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.databinding.ItemFileFilepickerBinding
 import io.legado.app.help.AppConfig
 import io.legado.app.lib.theme.getPrimaryDisabledTextColor
@@ -19,7 +19,7 @@ import java.util.*
 
 
 class FileAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<FileItem, ItemFileFilepickerBinding>(context) {
+    CommonRecyclerAdapter<FileItem, ItemFileFilepickerBinding>(context) {
     private var rootPath: String? = null
     var currentPath: String? = null
         private set
diff --git a/app/src/main/java/io/legado/app/ui/filepicker/adapter/PathAdapter.kt b/app/src/main/java/io/legado/app/ui/filepicker/adapter/PathAdapter.kt
index f0d9b300f..88c2d9a9f 100644
--- a/app/src/main/java/io/legado/app/ui/filepicker/adapter/PathAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/filepicker/adapter/PathAdapter.kt
@@ -3,8 +3,8 @@ package io.legado.app.ui.filepicker.adapter
 import android.content.Context
 import android.os.Environment
 import android.view.ViewGroup
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.databinding.ItemPathFilepickerBinding
 import io.legado.app.ui.filepicker.utils.ConvertUtils
 import io.legado.app.ui.filepicker.utils.FilePickerIcon
@@ -13,7 +13,7 @@ import java.util.*
 
 
 class PathAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<String, ItemPathFilepickerBinding>(context) {
+    CommonRecyclerAdapter<String, ItemPathFilepickerBinding>(context) {
     private val paths = LinkedList<String>()
     private val arrowIcon = ConvertUtils.toDrawable(FilePickerIcon.getArrow())
 
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/books/BaseBooksAdapter.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/books/BaseBooksAdapter.kt
index 034003538..538887c1c 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/books/BaseBooksAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/books/BaseBooksAdapter.kt
@@ -4,14 +4,63 @@ import android.content.Context
 import androidx.core.os.bundleOf
 import androidx.recyclerview.widget.DiffUtil
 import androidx.viewbinding.ViewBinding
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
+import io.legado.app.base.adapter.DiffRecyclerAdapter
 import io.legado.app.data.entities.Book
 
 abstract class BaseBooksAdapter<VB : ViewBinding>(context: Context) :
-    SimpleRecyclerAdapter<Book, VB>(context) {
+    DiffRecyclerAdapter<Book, VB>(context) {
 
     override val diffItemCallback: DiffUtil.ItemCallback<Book>
-        get() = BooksDiffCallBack()
+        get() = object : DiffUtil.ItemCallback<Book>() {
+
+            override fun areItemsTheSame(oldItem: Book, newItem: Book): Boolean {
+                return oldItem.name == newItem.name
+                        && oldItem.author == newItem.author
+            }
+
+            override fun areContentsTheSame(oldItem: Book, newItem: Book): Boolean {
+                return when {
+                    oldItem.durChapterTime != newItem.durChapterTime -> false
+                    oldItem.name != newItem.name -> false
+                    oldItem.author != newItem.author -> false
+                    oldItem.durChapterTitle != newItem.durChapterTitle -> false
+                    oldItem.latestChapterTitle != newItem.latestChapterTitle -> false
+                    oldItem.lastCheckCount != newItem.lastCheckCount -> false
+                    oldItem.getDisplayCover() != newItem.getDisplayCover() -> false
+                    oldItem.getUnreadChapterNum() != newItem.getUnreadChapterNum() -> false
+                    else -> true
+                }
+            }
+
+            override fun getChangePayload(oldItem: Book, newItem: Book): Any? {
+                val bundle = bundleOf()
+                if (oldItem.name != newItem.name) {
+                    bundle.putString("name", newItem.name)
+                }
+                if (oldItem.author != newItem.author) {
+                    bundle.putString("author", newItem.author)
+                }
+                if (oldItem.durChapterTitle != newItem.durChapterTitle) {
+                    bundle.putString("dur", newItem.durChapterTitle)
+                }
+                if (oldItem.latestChapterTitle != newItem.latestChapterTitle) {
+                    bundle.putString("last", newItem.latestChapterTitle)
+                }
+                if (oldItem.getDisplayCover() != newItem.getDisplayCover()) {
+                    bundle.putString("cover", newItem.getDisplayCover())
+                }
+                if (oldItem.lastCheckCount != newItem.lastCheckCount
+                    || oldItem.durChapterTime != newItem.durChapterTime
+                    || oldItem.getUnreadChapterNum() != newItem.getUnreadChapterNum()
+                    || oldItem.lastCheckCount != newItem.lastCheckCount
+                ) {
+                    bundle.putBoolean("refresh", true)
+                }
+                if (bundle.isEmpty) return null
+                return bundle
+            }
+
+        }
 
     fun notification(bookUrl: String) {
         for (i in 0 until itemCount) {
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/books/BooksDiffCallBack.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/books/BooksDiffCallBack.kt
deleted file mode 100644
index 5c5fcf62f..000000000
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/books/BooksDiffCallBack.kt
+++ /dev/null
@@ -1,56 +0,0 @@
-package io.legado.app.ui.main.bookshelf.books
-
-import androidx.core.os.bundleOf
-import androidx.recyclerview.widget.DiffUtil
-import io.legado.app.data.entities.Book
-
-class BooksDiffCallBack() : DiffUtil.ItemCallback<Book>() {
-
-    override fun areItemsTheSame(oldItem: Book, newItem: Book): Boolean {
-        return oldItem.name == newItem.name
-                && oldItem.author == newItem.author
-    }
-
-    override fun areContentsTheSame(oldItem: Book, newItem: Book): Boolean {
-        return when {
-            oldItem.durChapterTime != newItem.durChapterTime -> false
-            oldItem.name != newItem.name -> false
-            oldItem.author != newItem.author -> false
-            oldItem.durChapterTitle != newItem.durChapterTitle -> false
-            oldItem.latestChapterTitle != newItem.latestChapterTitle -> false
-            oldItem.lastCheckCount != newItem.lastCheckCount -> false
-            oldItem.getDisplayCover() != newItem.getDisplayCover() -> false
-            oldItem.getUnreadChapterNum() != newItem.getUnreadChapterNum() -> false
-            else -> true
-        }
-    }
-
-    override fun getChangePayload(oldItem: Book, newItem: Book): Any? {
-        val bundle = bundleOf()
-        if (oldItem.name != newItem.name) {
-            bundle.putString("name", newItem.name)
-        }
-        if (oldItem.author != newItem.author) {
-            bundle.putString("author", newItem.author)
-        }
-        if (oldItem.durChapterTitle != newItem.durChapterTitle) {
-            bundle.putString("dur", newItem.durChapterTitle)
-        }
-        if (oldItem.latestChapterTitle != newItem.latestChapterTitle) {
-            bundle.putString("last", newItem.latestChapterTitle)
-        }
-        if (oldItem.getDisplayCover() != newItem.getDisplayCover()) {
-            bundle.putString("cover", newItem.getDisplayCover())
-        }
-        if (oldItem.lastCheckCount != newItem.lastCheckCount
-            || oldItem.durChapterTime != newItem.durChapterTime
-            || oldItem.getUnreadChapterNum() != newItem.getUnreadChapterNum()
-            || oldItem.lastCheckCount != newItem.lastCheckCount
-        ) {
-            bundle.putBoolean("refresh", true)
-        }
-        if (bundle.isEmpty) return null
-        return bundle
-    }
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt b/app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt
index 6532b63fb..98b935638 100644
--- a/app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/main/explore/ExploreAdapter.kt
@@ -7,8 +7,8 @@ import android.view.ViewGroup
 import android.widget.PopupMenu
 import io.legado.app.App
 import io.legado.app.R
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.BookSource
 import io.legado.app.databinding.ItemFilletTextBinding
 import io.legado.app.databinding.ItemFindBookBinding
@@ -24,7 +24,7 @@ import org.jetbrains.anko.sdk27.listeners.onLongClick
 
 
 class ExploreAdapter(context: Context, private val scope: CoroutineScope, val callBack: CallBack) :
-    SimpleRecyclerAdapter<BookSource, ItemFindBookBinding>(context) {
+    CommonRecyclerAdapter<BookSource, ItemFindBookBinding>(context) {
     private var exIndex = -1
     private var scrollTo = -1
 
diff --git a/app/src/main/java/io/legado/app/ui/replace/GroupManageDialog.kt b/app/src/main/java/io/legado/app/ui/replace/GroupManageDialog.kt
index 33dfd191e..c2b8941de 100644
--- a/app/src/main/java/io/legado/app/ui/replace/GroupManageDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/replace/GroupManageDialog.kt
@@ -12,8 +12,8 @@ import androidx.fragment.app.DialogFragment
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.App
 import io.legado.app.R
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.constant.AppPattern
 import io.legado.app.databinding.DialogEditTextBinding
 import io.legado.app.databinding.DialogRecyclerViewBinding
@@ -114,7 +114,7 @@ class GroupManageDialog : DialogFragment(), Toolbar.OnMenuItemClickListener {
     }
 
     private inner class GroupAdapter(context: Context) :
-        SimpleRecyclerAdapter<String, ItemGroupManageBinding>(context) {
+        CommonRecyclerAdapter<String, ItemGroupManageBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemGroupManageBinding {
             return ItemGroupManageBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleAdapter.kt b/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleAdapter.kt
index 4de23aadc..48ac5eec1 100644
--- a/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleAdapter.kt
@@ -8,8 +8,8 @@ import android.widget.PopupMenu
 import androidx.core.os.bundleOf
 import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.ReplaceRule
 import io.legado.app.databinding.ItemReplaceRuleBinding
 import io.legado.app.lib.theme.backgroundColor
@@ -20,7 +20,7 @@ import java.util.*
 
 
 class ReplaceRuleAdapter(context: Context, var callBack: CallBack) :
-    SimpleRecyclerAdapter<ReplaceRule, ItemReplaceRuleBinding>(context),
+    CommonRecyclerAdapter<ReplaceRule, ItemReplaceRuleBinding>(context),
     ItemTouchCallback.Callback {
 
     private val selected = linkedSetOf<ReplaceRule>()
diff --git a/app/src/main/java/io/legado/app/ui/rss/favorites/RssFavoritesAdapter.kt b/app/src/main/java/io/legado/app/ui/rss/favorites/RssFavoritesAdapter.kt
index b5c921ff7..f630ec25e 100644
--- a/app/src/main/java/io/legado/app/ui/rss/favorites/RssFavoritesAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/favorites/RssFavoritesAdapter.kt
@@ -7,8 +7,8 @@ import com.bumptech.glide.load.DataSource
 import com.bumptech.glide.load.engine.GlideException
 import com.bumptech.glide.request.RequestListener
 import com.bumptech.glide.request.target.Target
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.RssStar
 import io.legado.app.databinding.ItemRssArticleBinding
 import io.legado.app.help.ImageLoader
@@ -17,7 +17,7 @@ import io.legado.app.utils.visible
 import org.jetbrains.anko.sdk27.listeners.onClick
 
 class RssFavoritesAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<RssStar, ItemRssArticleBinding>(context) {
+    CommonRecyclerAdapter<RssStar, ItemRssArticleBinding>(context) {
 
     override fun getViewBinding(parent: ViewGroup): ItemRssArticleBinding {
         return ItemRssArticleBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/manage/DiffCallBack.kt b/app/src/main/java/io/legado/app/ui/rss/source/manage/DiffCallBack.kt
deleted file mode 100644
index 2945a9b95..000000000
--- a/app/src/main/java/io/legado/app/ui/rss/source/manage/DiffCallBack.kt
+++ /dev/null
@@ -1,35 +0,0 @@
-package io.legado.app.ui.rss.source.manage
-
-import android.os.Bundle
-import androidx.recyclerview.widget.DiffUtil
-import io.legado.app.data.entities.RssSource
-
-class DiffCallBack : DiffUtil.ItemCallback<RssSource>() {
-
-    override fun areItemsTheSame(oldItem: RssSource, newItem: RssSource): Boolean {
-        return oldItem.sourceUrl == newItem.sourceUrl
-    }
-
-    override fun areContentsTheSame(oldItem: RssSource, newItem: RssSource): Boolean {
-        return oldItem.sourceName == newItem.sourceName
-                && oldItem.sourceGroup == newItem.sourceGroup
-                && oldItem.enabled == newItem.enabled
-    }
-
-    override fun getChangePayload(oldItem: RssSource, newItem: RssSource): Any? {
-        val payload = Bundle()
-        if (oldItem.sourceName != newItem.sourceName) {
-            payload.putString("name", newItem.sourceName)
-        }
-        if (oldItem.sourceGroup != newItem.sourceGroup) {
-            payload.putString("group", newItem.sourceGroup)
-        }
-        if (oldItem.enabled != newItem.enabled) {
-            payload.putBoolean("enabled", newItem.enabled)
-        }
-        if (payload.isEmpty) {
-            return null
-        }
-        return payload
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/manage/GroupManageDialog.kt b/app/src/main/java/io/legado/app/ui/rss/source/manage/GroupManageDialog.kt
index e9d6cae62..b467131d4 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/manage/GroupManageDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/manage/GroupManageDialog.kt
@@ -12,8 +12,8 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.constant.AppPattern
 import io.legado.app.databinding.DialogEditTextBinding
 import io.legado.app.databinding.DialogRecyclerViewBinding
@@ -113,7 +113,7 @@ class GroupManageDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
     }
 
     private inner class GroupAdapter(context: Context) :
-        SimpleRecyclerAdapter<String, ItemGroupManageBinding>(context) {
+        CommonRecyclerAdapter<String, ItemGroupManageBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemGroupManageBinding {
             return ItemGroupManageBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceAdapter.kt
index 952e814f4..284149d37 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceAdapter.kt
@@ -9,8 +9,8 @@ import androidx.core.os.bundleOf
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
+import io.legado.app.base.adapter.DiffRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.RssSource
 import io.legado.app.databinding.ItemRssSourceBinding
 import io.legado.app.lib.theme.backgroundColor
@@ -19,11 +19,39 @@ import io.legado.app.ui.widget.recycler.ItemTouchCallback
 import org.jetbrains.anko.sdk27.listeners.onClick
 
 class RssSourceAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<RssSource, ItemRssSourceBinding>(context),
+    DiffRecyclerAdapter<RssSource, ItemRssSourceBinding>(context),
     ItemTouchCallback.Callback {
 
     override val diffItemCallback: DiffUtil.ItemCallback<RssSource>
-        get() = DiffCallBack()
+        get() = object : DiffUtil.ItemCallback<RssSource>() {
+
+            override fun areItemsTheSame(oldItem: RssSource, newItem: RssSource): Boolean {
+                return oldItem.sourceUrl == newItem.sourceUrl
+            }
+
+            override fun areContentsTheSame(oldItem: RssSource, newItem: RssSource): Boolean {
+                return oldItem.sourceName == newItem.sourceName
+                        && oldItem.sourceGroup == newItem.sourceGroup
+                        && oldItem.enabled == newItem.enabled
+            }
+
+            override fun getChangePayload(oldItem: RssSource, newItem: RssSource): Any? {
+                val payload = Bundle()
+                if (oldItem.sourceName != newItem.sourceName) {
+                    payload.putString("name", newItem.sourceName)
+                }
+                if (oldItem.sourceGroup != newItem.sourceGroup) {
+                    payload.putString("group", newItem.sourceGroup)
+                }
+                if (oldItem.enabled != newItem.enabled) {
+                    payload.putBoolean("enabled", newItem.enabled)
+                }
+                if (payload.isEmpty) {
+                    return null
+                }
+                return payload
+            }
+        }
 
     private val selected = linkedSetOf<RssSource>()
 
diff --git a/app/src/main/java/io/legado/app/ui/rss/subscription/RuleSubAdapter.kt b/app/src/main/java/io/legado/app/ui/rss/subscription/RuleSubAdapter.kt
index 520c27445..0efea8371 100644
--- a/app/src/main/java/io/legado/app/ui/rss/subscription/RuleSubAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/subscription/RuleSubAdapter.kt
@@ -6,15 +6,15 @@ import android.view.ViewGroup
 import android.widget.PopupMenu
 import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.RuleSub
 import io.legado.app.databinding.ItemRuleSubBinding
 import io.legado.app.ui.widget.recycler.ItemTouchCallback
 import org.jetbrains.anko.sdk27.listeners.onClick
 
 class RuleSubAdapter(context: Context, val callBack: Callback) :
-    SimpleRecyclerAdapter<RuleSub, ItemRuleSubBinding>(context),
+    CommonRecyclerAdapter<RuleSub, ItemRuleSubBinding>(context),
     ItemTouchCallback.Callback {
 
     private val typeArray = context.resources.getStringArray(R.array.rule_type)
diff --git a/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt b/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt
index aa8f71f04..e0b66934a 100644
--- a/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt
@@ -6,8 +6,8 @@ import android.view.ViewGroup
 import android.widget.PopupWindow
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.databinding.ItemFilletTextBinding
 import io.legado.app.databinding.PopupKeyboardToolBinding
 import org.jetbrains.anko.sdk27.listeners.onClick
@@ -40,7 +40,7 @@ class KeyboardToolPop(
     }
 
     inner class Adapter(context: Context) :
-        SimpleRecyclerAdapter<String, ItemFilletTextBinding>(context) {
+        CommonRecyclerAdapter<String, ItemFilletTextBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemFilletTextBinding {
             return ItemFilletTextBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/widget/dialog/TextListDialog.kt b/app/src/main/java/io/legado/app/ui/widget/dialog/TextListDialog.kt
index 567f1687a..4c0643ba1 100644
--- a/app/src/main/java/io/legado/app/ui/widget/dialog/TextListDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/dialog/TextListDialog.kt
@@ -9,8 +9,8 @@ import androidx.fragment.app.FragmentManager
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.databinding.DialogRecyclerViewBinding
 import io.legado.app.databinding.ItemLogBinding
 import io.legado.app.utils.getSize
@@ -59,7 +59,7 @@ class TextListDialog : BaseDialogFragment() {
     }
 
     class TextAdapter(context: Context) :
-        SimpleRecyclerAdapter<String, ItemLogBinding>(context) {
+        CommonRecyclerAdapter<String, ItemLogBinding>(context) {
 
         override fun getViewBinding(parent: ViewGroup): ItemLogBinding {
             return ItemLogBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/widget/font/FontAdapter.kt b/app/src/main/java/io/legado/app/ui/widget/font/FontAdapter.kt
index 53b812fa7..73559cd1f 100644
--- a/app/src/main/java/io/legado/app/ui/widget/font/FontAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/font/FontAdapter.kt
@@ -4,8 +4,8 @@ import android.content.Context
 import android.graphics.Typeface
 import android.os.Build
 import android.view.ViewGroup
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.databinding.ItemFontBinding
 import io.legado.app.utils.DocItem
 import io.legado.app.utils.RealPathUtil
@@ -16,7 +16,7 @@ import org.jetbrains.anko.toast
 import java.io.File
 
 class FontAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<DocItem, ItemFontBinding>(context) {
+    CommonRecyclerAdapter<DocItem, ItemFontBinding>(context) {
 
     override fun getViewBinding(parent: ViewGroup): ItemFontBinding {
         return ItemFontBinding.inflate(inflater, parent, false)
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt b/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt
index 8ed75bbd2..9cad1cdb7 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt
@@ -15,8 +15,8 @@ import androidx.preference.PreferenceViewHolder
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.base.adapter.CommonRecyclerAdapter
 import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.databinding.DialogRecyclerViewBinding
 import io.legado.app.databinding.ItemIconPreferenceBinding
 import io.legado.app.lib.theme.primaryColor
@@ -156,7 +156,7 @@ class IconListPreference(context: Context, attrs: AttributeSet) : ListPreference
 
 
         inner class Adapter(context: Context) :
-            SimpleRecyclerAdapter<CharSequence, ItemIconPreferenceBinding>(context) {
+            CommonRecyclerAdapter<CharSequence, ItemIconPreferenceBinding>(context) {
 
             override fun getViewBinding(parent: ViewGroup): ItemIconPreferenceBinding {
                 return ItemIconPreferenceBinding.inflate(inflater, parent, false)