diff --git a/app/src/main/java/io/legado/app/constant/RSSKeywords.kt b/app/src/main/java/io/legado/app/constant/RSSKeywords.kt
new file mode 100644
index 000000000..5a4119e05
--- /dev/null
+++ b/app/src/main/java/io/legado/app/constant/RSSKeywords.kt
@@ -0,0 +1,19 @@
+package io.legado.app.constant
+
+object RSSKeywords {
+
+    const val RSS_ITEM = "item"
+    const val RSS_ITEM_TITLE = "title"
+    const val RSS_ITEM_LINK = "link"
+    const val RSS_ITEM_AUTHOR = "dc:creator"
+    const val RSS_ITEM_CATEGORY = "category"
+    const val RSS_ITEM_THUMBNAIL = "media:thumbnail"
+    const val RSS_ITEM_ENCLOSURE = "enclosure"
+    const val RSS_ITEM_DESCRIPTION = "description"
+    const val RSS_ITEM_CONTENT = "content:encoded"
+    const val RSS_ITEM_PUB_DATE = "pubDate"
+    const val RSS_ITEM_TIME = "time"
+    const val RSS_ITEM_URL = "url"
+    const val RSS_ITEM_TYPE = "type"
+    const val RSS_ITEM_GUID = "guid"
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/data/entities/RssArticle.kt b/app/src/main/java/io/legado/app/data/entities/RssArticle.kt
new file mode 100644
index 000000000..6f8773ba3
--- /dev/null
+++ b/app/src/main/java/io/legado/app/data/entities/RssArticle.kt
@@ -0,0 +1,20 @@
+package io.legado.app.data.entities
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+
+@Entity(tableName = "rssArticles")
+data class RssArticle(
+    var origin: String = "",
+    @PrimaryKey
+    var guid: String? = null,
+    var title: String? = null,
+    var author: String? = null,
+    var link: String? = null,
+    var pubDate: String? = null,
+    var description: String? = null,
+    var content: String? = null,
+    var image: String? = null,
+    var categories: MutableList<String> = mutableListOf()
+)
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/service/ReadAloudService.kt b/app/src/main/java/io/legado/app/service/ReadAloudService.kt
index cdad6785d..baa368760 100644
--- a/app/src/main/java/io/legado/app/service/ReadAloudService.kt
+++ b/app/src/main/java/io/legado/app/service/ReadAloudService.kt
@@ -125,7 +125,6 @@ class ReadAloudService : BaseService(), TextToSpeech.OnInitListener,
     private lateinit var audioManager: AudioManager
     private lateinit var mFocusRequest: AudioFocusRequest
     private var broadcastReceiver: BroadcastReceiver? = null
-    private var speak: Boolean = true
     private var nowSpeak: Int = 0
     private val contentList = arrayListOf<String>()
     private var readAloudNumber: Int = 0
@@ -147,13 +146,13 @@ class ReadAloudService : BaseService(), TextToSpeech.OnInitListener,
         }
         initMediaSession()
         initBroadcastReceiver()
-        upMediaSessionPlaybackState()
         upSpeechRate()
         ReadAloudNotification.upNotification(this)
     }
 
     override fun onDestroy() {
         super.onDestroy()
+        upMediaSessionPlaybackState(PlaybackStateCompat.STATE_STOPPED)
         clearTTS()
         unregisterReceiver(broadcastReceiver)
         postEvent(Bus.ALOUD_STATE, Status.STOP)
@@ -231,6 +230,7 @@ class ReadAloudService : BaseService(), TextToSpeech.OnInitListener,
             return
         }
         if (requestFocus()) {
+            upMediaSessionPlaybackState(PlaybackStateCompat.STATE_PLAYING)
             postEvent(Bus.ALOUD_STATE, Status.PLAY)
             ReadAloudNotification.upNotification(this)
             for (i in nowSpeak until contentList.size) {
@@ -322,28 +322,31 @@ class ReadAloudService : BaseService(), TextToSpeech.OnInitListener,
     }
 
     /**
-     * 初始化MediaSession
+     * 初始化MediaSession, 注册多媒体按钮
      */
     private fun initMediaSession() {
-        val mComponent = ComponentName(packageName, MediaButtonReceiver::class.java.name)
-        val mediaButtonIntent = Intent(Intent.ACTION_MEDIA_BUTTON)
-        mediaButtonIntent.component = mComponent
+        val mediaButtonIntent = Intent(Intent.ACTION_MEDIA_BUTTON).apply {
+            component = ComponentName(packageName, MediaButtonReceiver::class.java.name)
+        }
         val mediaButtonReceiverPendingIntent = PendingIntent.getBroadcast(
-            this, 0,
-            mediaButtonIntent, PendingIntent.FLAG_CANCEL_CURRENT
+            this,
+            0,
+            mediaButtonIntent,
+            PendingIntent.FLAG_CANCEL_CURRENT
         )
 
-        mediaSessionCompat =
-            MediaSessionCompat(this, tag, mComponent, mediaButtonReceiverPendingIntent)
+        mediaSessionCompat = MediaSessionCompat(this, tag)
         mediaSessionCompat?.setCallback(object : MediaSessionCompat.Callback() {
             override fun onMediaButtonEvent(mediaButtonEvent: Intent): Boolean {
                 return MediaButtonReceiver.handleIntent(this@ReadAloudService, mediaButtonEvent)
             }
         })
         mediaSessionCompat?.setMediaButtonReceiver(mediaButtonReceiverPendingIntent)
+        mediaSessionCompat?.isActive = true
     }
 
     private fun initBroadcastReceiver() {
+        //断开耳机监听
         broadcastReceiver = object : BroadcastReceiver() {
             override fun onReceive(context: Context, intent: Intent) {
                 val action = intent.action
@@ -357,9 +360,10 @@ class ReadAloudService : BaseService(), TextToSpeech.OnInitListener,
     }
 
     private fun pauseReadAloud(pause: Boolean) {
-        if (pause) postEvent(Bus.ALOUD_STATE, Status.PAUSE)
+        postEvent(Bus.ALOUD_STATE, Status.PAUSE)
         this.pause = pause
         textToSpeech?.stop()
+        upMediaSessionPlaybackState(PlaybackStateCompat.STATE_PAUSED)
         ReadAloudNotification.upNotification(this)
     }
 
@@ -386,14 +390,11 @@ class ReadAloudService : BaseService(), TextToSpeech.OnInitListener,
         return request == AudioManager.AUDIOFOCUS_REQUEST_GRANTED
     }
 
-    private fun upMediaSessionPlaybackState() {
+    private fun upMediaSessionPlaybackState(state: Int) {
         mediaSessionCompat?.setPlaybackState(
             PlaybackStateCompat.Builder()
                 .setActions(MediaHelp.MEDIA_SESSION_ACTIONS)
-                .setState(
-                    if (speak) PlaybackStateCompat.STATE_PLAYING else PlaybackStateCompat.STATE_PAUSED,
-                    nowSpeak.toLong(), 1f
-                )
+                .setState(state, nowSpeak.toLong(), 1f)
                 .build()
         )
     }
diff --git a/app/src/main/java/io/legado/app/ui/booksource/GroupManageDialog.kt b/app/src/main/java/io/legado/app/ui/booksource/GroupManageDialog.kt
index 5d4996fb0..e5ed98578 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/GroupManageDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/booksource/GroupManageDialog.kt
@@ -64,7 +64,7 @@ class GroupManageDialog : DialogFragment(), Toolbar.OnMenuItemClickListener {
         tool_bar.inflateMenu(R.menu.group_manage)
         tool_bar.menu.applyTint(requireContext(), false)
         tool_bar.setOnMenuItemClickListener(this)
-        adapter = GroupAdapter(requireContext(), this)
+        adapter = GroupAdapter(requireContext())
         recycler_view.layoutManager = LinearLayoutManager(requireContext())
         recycler_view.addItemDecoration(
             DividerItemDecoration(requireContext(), RecyclerView.VERTICAL)
@@ -129,14 +129,14 @@ class GroupManageDialog : DialogFragment(), Toolbar.OnMenuItemClickListener {
         }.show().applyTint().requestInputMethod()
     }
 
-    class GroupAdapter(context: Context, val dialog: GroupManageDialog) :
+    private inner class GroupAdapter(context: Context) :
         SimpleRecyclerAdapter<String>(context, R.layout.item_group_manage) {
 
         override fun convert(holder: ItemViewHolder, item: String, payloads: MutableList<Any>) {
             with(holder.itemView) {
                 tv_group.text = item
-                tv_edit.onClick { dialog.editGroup(item) }
-                tv_del.onClick { dialog.viewModel.delGroup(item) }
+                tv_edit.onClick { editGroup(item) }
+                tv_del.onClick { viewModel.delGroup(item) }
             }
         }
     }
diff --git a/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceDialog.kt b/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceDialog.kt
index f5a1a6699..df03b920e 100644
--- a/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceDialog.kt
@@ -8,6 +8,7 @@ import android.view.ViewGroup
 import android.widget.LinearLayout
 import androidx.appcompat.widget.SearchView
 import androidx.fragment.app.DialogFragment
+import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
@@ -48,6 +49,9 @@ class ChangeSourceDialog : DialogFragment(),
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        viewModel.searchStateData.observe(viewLifecycleOwner, Observer {
+            refresh_progress_bar.isAutoLoading = it
+        })
         arguments?.let { bundle ->
             bundle.getString("name")?.let {
                 viewModel.name = it
@@ -141,10 +145,6 @@ class ChangeSourceDialog : DialogFragment(),
         return changeSourceAdapter
     }
 
-    override fun upSearchState(isSearch: Boolean) {
-        refresh_progress_bar.isAutoLoading = isSearch
-    }
-
     interface CallBack {
         fun curOrigin(): String?
         fun oldBook(): Book?
diff --git a/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceViewModel.kt
index 3839bebef..3159db258 100644
--- a/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/changesource/ChangeSourceViewModel.kt
@@ -1,6 +1,7 @@
 package io.legado.app.ui.changesource
 
 import android.app.Application
+import androidx.lifecycle.MutableLiveData
 import androidx.recyclerview.widget.DiffUtil
 import io.legado.app.App
 import io.legado.app.R
@@ -17,6 +18,7 @@ import org.jetbrains.anko.debug
 
 class ChangeSourceViewModel(application: Application) : BaseViewModel(application) {
     var callBack: CallBack? = null
+    val searchStateData = MutableLiveData<Boolean>()
     var name: String = ""
     var author: String = ""
     private var task: Coroutine<*>? = null
@@ -50,7 +52,7 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
 
     fun search() {
         task = execute {
-            callBack?.upSearchState(true)
+            searchStateData.postValue(true)
             val bookSourceList = App.db.bookSourceDao().allEnabled
             for (item in bookSourceList) {
                 //task取消时自动取消 by （scope = this@execute）
@@ -73,7 +75,7 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
         }
 
         task?.invokeOnCompletion {
-            callBack?.upSearchState(false)
+            searchStateData.postValue(false)
         }
     }
 
@@ -125,6 +127,5 @@ class ChangeSourceViewModel(application: Application) : BaseViewModel(applicatio
 
     interface CallBack {
         fun adapter(): ChangeSourceAdapter
-        fun upSearchState(isSearch: Boolean)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfAdapter.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfAdapter.kt
index 4f5a271c2..34172056d 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfAdapter.kt
@@ -17,7 +17,8 @@ import kotlinx.android.synthetic.main.item_bookshelf_list.view.*
 import org.jetbrains.anko.sdk27.listeners.onClick
 import org.jetbrains.anko.sdk27.listeners.onLongClick
 
-class BookshelfAdapter : PagedListAdapter<Book, BookshelfAdapter.MyViewHolder>(DIFF_CALLBACK) {
+class BookshelfAdapter(private val callBack: CallBack) :
+    PagedListAdapter<Book, BookshelfAdapter.MyViewHolder>(DIFF_CALLBACK) {
 
     companion object {
         @JvmField
@@ -26,16 +27,13 @@ class BookshelfAdapter : PagedListAdapter<Book, BookshelfAdapter.MyViewHolder>(D
                 oldItem.bookUrl == newItem.bookUrl
 
             override fun areContentsTheSame(oldItem: Book, newItem: Book): Boolean =
-                oldItem.bookUrl == newItem.bookUrl
-                        && oldItem.durChapterTitle == newItem.durChapterTitle
+                oldItem.durChapterTitle == newItem.durChapterTitle
                         && oldItem.latestChapterTitle == newItem.latestChapterTitle
                         && oldItem.durChapterTime == newItem.durChapterTime
                         && oldItem.lastCheckTime == newItem.lastCheckTime
         }
     }
 
-    var callBack: CallBack? = null
-
     fun notification(bookUrl: String) {
         for (i in 0..itemCount) {
             getItem(i)?.let {
@@ -66,7 +64,7 @@ class BookshelfAdapter : PagedListAdapter<Book, BookshelfAdapter.MyViewHolder>(D
             itemView.setBackgroundColor(ThemeStore.backgroundColor(itemView.context))
         }
 
-        fun bind(book: Book, callBack: CallBack?) = with(itemView) {
+        fun bind(book: Book, callBack: CallBack) = with(itemView) {
             this.setBackgroundColor(context.getCompatColor(R.color.background))
             tv_name.text = book.name
             tv_author.text = book.author
@@ -79,21 +77,19 @@ class BookshelfAdapter : PagedListAdapter<Book, BookshelfAdapter.MyViewHolder>(D
                     .centerCrop()
                     .setAsDrawable(iv_cover)
             }
-            itemView.onClick { callBack?.open(book) }
+            itemView.onClick { callBack.open(book) }
             itemView.onLongClick {
-                callBack?.openBookInfo(book)
+                callBack.openBookInfo(book)
                 true
             }
-            callBack?.let {
-                if (book.origin != BookType.local && it.isUpdate(book.bookUrl)) {
-                    bv_unread.invisible()
-                    rl_loading.show()
-                } else {
-                    rl_loading.hide()
-                    bv_unread.setBadgeCount(book.getUnreadChapterNum())
-                    bv_unread.setHighlight(book.lastCheckCount > 0)
-                }
-            } ?: rl_loading.hide()
+            if (book.origin != BookType.local && callBack.isUpdate(book.bookUrl)) {
+                bv_unread.invisible()
+                rl_loading.show()
+            } else {
+                rl_loading.hide()
+                bv_unread.setBadgeCount(book.getUnreadChapterNum())
+                bv_unread.setHighlight(book.lastCheckCount > 0)
+            }
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt
index 415a7cafe..77a91e0a6 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt
@@ -85,9 +85,8 @@ class BookshelfFragment : VMBaseFragment<BookshelfViewModel>(R.layout.fragment_b
                 LinearLayoutManager.VERTICAL
             )
         )
-        bookshelfAdapter = BookshelfAdapter()
+        bookshelfAdapter = BookshelfAdapter(this)
         rv_bookshelf.adapter = bookshelfAdapter
-        bookshelfAdapter.callBack = this
         observeEvent<String>(Bus.UP_BOOK) { bookshelfAdapter.notification(it) }
     }
 
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 b1fd24966..c9baf1494 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
@@ -31,31 +31,30 @@ class BookshelfViewModel(application: Application) : BaseViewModel(application)
 
     fun upChapterList() {
         execute {
-            App.db.bookDao().getRecentRead().map { book ->
+            App.db.bookDao().getRecentRead().forEach { book ->
                 if (book.origin != BookType.local) {
-                    val bookSource = App.db.bookSourceDao().getBookSource(book.origin)
-                    bookSource?.let {
+                    App.db.bookSourceDao().getBookSource(book.origin)?.let { bookSource ->
                         synchronized(this) {
                             updateList.add(book.bookUrl)
                             postEvent(Bus.UP_BOOK, book.bookUrl)
                         }
                         WebBook(bookSource).getChapterList(book)
                             .onSuccess(IO) {
-                            it?.let {
-                                App.db.bookDao().update(book)
-                                App.db.bookChapterDao().delByBook(book.bookUrl)
-                                App.db.bookChapterDao().insert(*it.toTypedArray())
-                            }
+                                it?.let {
+                                    App.db.bookDao().update(book)
+                                    App.db.bookChapterDao().delByBook(book.bookUrl)
+                                    App.db.bookChapterDao().insert(*it.toTypedArray())
+                                }
                             }
                             .onError {
                                 it.printStackTrace()
                             }
                             .onFinally {
-                            synchronized(this) {
-                                updateList.remove(book.bookUrl)
-                                postEvent(Bus.UP_BOOK, book.bookUrl)
+                                synchronized(this) {
+                                    updateList.remove(book.bookUrl)
+                                    postEvent(Bus.UP_BOOK, book.bookUrl)
+                                }
                             }
-                        }
                     }
                 }
                 delay(50)
diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
index 3e45d65d2..da9028d0e 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
@@ -485,9 +485,10 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
         }
     }
 
-    override fun onDialogDismissed(dialogId: Int) {
-
-    }
+    /**
+     * colorSelectDialog
+     */
+    override fun onDialogDismissed(dialogId: Int) = Unit
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/PaddingConfigDialog.kt b/app/src/main/java/io/legado/app/ui/readbook/config/PaddingConfigDialog.kt
index 779ba3dab..4d349b9cb 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/PaddingConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/config/PaddingConfigDialog.kt
@@ -116,9 +116,7 @@ class PaddingConfigDialog : DialogFragment() {
                 tv_padding_top.text = paddingTop.toString()
             }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {
-
-            }
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
 
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
                 postEvent(Bus.UP_CONFIG, true)
@@ -130,9 +128,7 @@ class PaddingConfigDialog : DialogFragment() {
                 tv_padding_bottom.text = paddingBottom.toString()
             }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {
-
-            }
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
 
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
                 postEvent(Bus.UP_CONFIG, true)
@@ -144,9 +140,7 @@ class PaddingConfigDialog : DialogFragment() {
                 tv_padding_left.text = paddingLeft.toString()
             }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {
-
-            }
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
 
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
                 postEvent(Bus.UP_CONFIG, true)
@@ -158,9 +152,7 @@ class PaddingConfigDialog : DialogFragment() {
                 tv_padding_right.text = paddingRight.toString()
             }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {
-
-            }
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
 
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
                 postEvent(Bus.UP_CONFIG, true)
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudDialog.kt b/app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudDialog.kt
index 3922ee122..686c0e7b5 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/config/ReadAloudDialog.kt
@@ -87,8 +87,7 @@ class ReadAloudDialog : DialogFragment() {
             override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
             }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {
-            }
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
 
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
                 requireContext().putPrefInt("ttsSpeechRate", seek_tts_SpeechRate.progress)
@@ -101,8 +100,7 @@ class ReadAloudDialog : DialogFragment() {
                 tv_timer.text = requireContext().getString(R.string.timer_m, progress)
             }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {
-            }
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
 
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
                 ReadAloudService.setTimer(requireContext(), seek_timer.progress)
diff --git a/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt b/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt
index 15fa51590..a0080036c 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/config/ReadStyleDialog.kt
@@ -71,23 +71,17 @@ class ReadStyleDialog : DialogFragment() {
                 rg_page_anim.check(rg_page_anim[it].id)
             }
         }
-        ReadBookConfig.getConfig().let {
-            tv_text_bold.isSelected = it.textBold
-            seek_text_size.progress = it.textSize - 5
-            tv_text_size.text = it.textSize.toString()
-            seek_text_letter_spacing.progress = (it.letterSpacing * 10).toInt() + 5
-            tv_text_letter_spacing.text = it.letterSpacing.toString()
-            seek_line_size.progress = it.lineSpacingExtra
-            tv_line_size.text = it.lineSpacingExtra.toString()
-        }
+        upStyle()
         setBg()
         upBg()
     }
 
-    private fun initOnClick() = with(ReadBookConfig.getConfig()) {
+    private fun initOnClick() {
         tv_text_bold.onClick {
-            textBold = !textBold
-            tv_text_bold.isSelected = textBold
+            with(ReadBookConfig.getConfig()) {
+                textBold = !textBold
+                tv_text_bold.isSelected = textBold
+            }
             postEvent(Bus.UP_CONFIG, false)
         }
         tv_text_font.onClick {
@@ -121,73 +115,89 @@ class ReadStyleDialog : DialogFragment() {
         }
         seek_text_size.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
             override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-                textSize = progress + 5
-                tv_text_size.text = textSize.toString()
+                ReadBookConfig.getConfig().textSize = progress + 5
+                tv_text_size.text = ReadBookConfig.getConfig().textSize.toString()
             }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
                 postEvent(Bus.UP_CONFIG, true)
             }
         })
         iv_text_size_add.onClick {
-            textSize++
-            if (textSize > 50) textSize = 50
-            seek_text_size.progress = textSize - 5
-            tv_text_size.text = textSize.toString()
+            with(ReadBookConfig.getConfig()) {
+                textSize++
+                if (textSize > 50) textSize = 50
+                seek_text_size.progress = textSize - 5
+                tv_text_size.text = textSize.toString()
+            }
             postEvent(Bus.UP_CONFIG, true)
         }
         iv_text_size_remove.onClick {
-            textSize--
-            if (textSize < 5) textSize = 5
-            seek_text_size.progress = textSize - 5
-            tv_text_size.text = textSize.toString()
+            with(ReadBookConfig.getConfig()) {
+                textSize--
+                if (textSize < 5) textSize = 5
+                seek_text_size.progress = textSize - 5
+                tv_text_size.text = textSize.toString()
+            }
             postEvent(Bus.UP_CONFIG, true)
         }
         seek_text_letter_spacing.setOnSeekBarChangeListener(object :
             SeekBar.OnSeekBarChangeListener {
             override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-                letterSpacing = (seek_text_letter_spacing.progress - 5) / 10f
-                tv_text_letter_spacing.text = letterSpacing.toString()
+                with(ReadBookConfig.getConfig()) {
+                    letterSpacing = (seek_text_letter_spacing.progress - 5) / 10f
+                    tv_text_letter_spacing.text = letterSpacing.toString()
+                }
             }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
                 postEvent(Bus.UP_CONFIG, true)
             }
         })
         iv_text_letter_spacing_add.onClick {
-            letterSpacing += 0.1f
-            seek_text_letter_spacing.progress = (letterSpacing * 10).toInt() + 5
-            tv_text_letter_spacing.text = letterSpacing.toString()
+            with(ReadBookConfig.getConfig()) {
+                letterSpacing += 0.1f
+                seek_text_letter_spacing.progress = (letterSpacing * 10).toInt() + 5
+                tv_text_letter_spacing.text = letterSpacing.toString()
+            }
             postEvent(Bus.UP_CONFIG, true)
         }
         iv_text_letter_spacing_remove.onClick {
-            letterSpacing -= 0.1f
-            seek_text_letter_spacing.progress = (letterSpacing * 10).toInt() + 5
-            tv_text_letter_spacing.text = letterSpacing.toString()
+            with(ReadBookConfig.getConfig()) {
+                letterSpacing -= 0.1f
+                seek_text_letter_spacing.progress = (letterSpacing * 10).toInt() + 5
+                tv_text_letter_spacing.text = letterSpacing.toString()
+            }
             postEvent(Bus.UP_CONFIG, true)
         }
         seek_line_size.setOnSeekBarChangeListener(object :
             SeekBar.OnSeekBarChangeListener {
             override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-                lineSpacingExtra = seek_line_size.progress
-                tv_line_size.text = lineSpacingExtra.toString()
+                with(ReadBookConfig.getConfig()) {
+                    lineSpacingExtra = seek_line_size.progress
+                    tv_line_size.text = lineSpacingExtra.toString()
+                }
             }
 
-            override fun onStartTrackingTouch(seekBar: SeekBar?) {}
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
             override fun onStopTrackingTouch(seekBar: SeekBar?) {
                 postEvent(Bus.UP_CONFIG, true)
             }
         })
         iv_line_size_add.onClick {
-            lineSpacingExtra++
-            tv_line_size.text = lineSpacingExtra.toString()
+            with(ReadBookConfig.getConfig()) {
+                lineSpacingExtra++
+                tv_line_size.text = lineSpacingExtra.toString()
+            }
             postEvent(Bus.UP_CONFIG, true)
         }
         iv_line_size_remove.onClick {
-            lineSpacingExtra--
-            tv_line_size.text = lineSpacingExtra.toString()
+            with(ReadBookConfig.getConfig()) {
+                lineSpacingExtra--
+                tv_line_size.text = lineSpacingExtra.toString()
+            }
             postEvent(Bus.UP_CONFIG, true)
         }
         rg_page_anim.onCheckedChange { _, checkedId ->
@@ -218,6 +228,7 @@ class ReadStyleDialog : DialogFragment() {
         if (ReadBookConfig.styleSelect != index) {
             ReadBookConfig.styleSelect = index
             ReadBookConfig.upBg()
+            upStyle()
             upBg()
             postEvent(Bus.UP_CONFIG, true)
         }
@@ -233,6 +244,18 @@ class ReadStyleDialog : DialogFragment() {
         return true
     }
 
+    private fun upStyle() {
+        ReadBookConfig.getConfig().let {
+            tv_text_bold.isSelected = it.textBold
+            seek_text_size.progress = it.textSize - 5
+            tv_text_size.text = it.textSize.toString()
+            seek_text_letter_spacing.progress = (it.letterSpacing * 10).toInt() + 5
+            tv_text_letter_spacing.text = it.letterSpacing.toString()
+            seek_line_size.progress = it.lineSpacingExtra
+            tv_line_size.text = it.lineSpacingExtra.toString()
+        }
+    }
+
     private fun setBg() {
         tv_bg0.setTextColor(ReadBookConfig.getConfig(0).textColor())
         tv_bg1.setTextColor(ReadBookConfig.getConfig(1).textColor())
diff --git a/app/src/main/java/io/legado/app/ui/replacerule/GroupManageDialog.kt b/app/src/main/java/io/legado/app/ui/replacerule/GroupManageDialog.kt
index a7799cc87..e653947f8 100644
--- a/app/src/main/java/io/legado/app/ui/replacerule/GroupManageDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/replacerule/GroupManageDialog.kt
@@ -64,7 +64,7 @@ class GroupManageDialog : DialogFragment(), Toolbar.OnMenuItemClickListener {
         tool_bar.inflateMenu(R.menu.group_manage)
         tool_bar.menu.applyTint(requireContext(), false)
         tool_bar.setOnMenuItemClickListener(this)
-        adapter = GroupAdapter(requireContext(), this)
+        adapter = GroupAdapter(requireContext())
         recycler_view.layoutManager = LinearLayoutManager(requireContext())
         recycler_view.addItemDecoration(
             DividerItemDecoration(requireContext(), RecyclerView.VERTICAL)
@@ -129,14 +129,14 @@ class GroupManageDialog : DialogFragment(), Toolbar.OnMenuItemClickListener {
         }.show().applyTint().requestInputMethod()
     }
 
-    class GroupAdapter(context: Context, val dialog: GroupManageDialog) :
+    private inner class GroupAdapter(context: Context) :
         SimpleRecyclerAdapter<String>(context, R.layout.item_group_manage) {
 
         override fun convert(holder: ItemViewHolder, item: String, payloads: MutableList<Any>) {
             with(holder.itemView) {
                 tv_group.text = item
-                tv_edit.onClick { dialog.editGroup(item) }
-                tv_del.onClick { dialog.viewModel.delGroup(item) }
+                tv_edit.onClick { editGroup(item) }
+                tv_del.onClick { viewModel.delGroup(item) }
             }
         }
     }
diff --git a/app/src/main/res/layout/activity_search.xml b/app/src/main/res/layout/activity_search.xml
index 7d74faad8..b840cd032 100644
--- a/app/src/main/res/layout/activity_search.xml
+++ b/app/src/main/res/layout/activity_search.xml
@@ -16,23 +16,24 @@
             app:layout_constraintTop_toTopOf="parent"
             app:title="搜索"/>
 
+    <io.legado.app.ui.widget.anima.RefreshProgressBar
+        android:id="@+id/refresh_progress_bar"
+        android:layout_width="match_parent"
+        android:layout_height="2dp"
+        app:layout_constraintTop_toBottomOf="@id/title_bar" />
+
     <io.legado.app.ui.widget.dynamiclayout.DynamicFrameLayout
             android:id="@+id/content_view"
             android:layout_width="match_parent"
             android:layout_height="0dp"
             app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/title_bar">
+        app:layout_constraintTop_toBottomOf="@id/refresh_progress_bar">
 
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/recycler_view"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"/>
 
-        <io.legado.app.ui.widget.anima.RefreshProgressBar
-            android:id="@+id/refresh_progress_bar"
-            android:layout_width="match_parent"
-            android:layout_height="2dp" />
-
     </io.legado.app.ui.widget.dynamiclayout.DynamicFrameLayout>
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton