diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/ColorPreference.kt b/app/src/main/java/io/legado/app/lib/prefs/ColorPreference.kt
similarity index 99%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/ColorPreference.kt
rename to app/src/main/java/io/legado/app/lib/prefs/ColorPreference.kt
index 806cb9ac9..3ea1181a1 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/ColorPreference.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/ColorPreference.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.content.Context
 import android.content.ContextWrapper
@@ -118,7 +118,7 @@ class ColorPreference(context: Context, attrs: AttributeSet) : Preference(contex
     }
 
     override fun onBindViewHolder(holder: PreferenceViewHolder) {
-        val v = io.legado.app.ui.widget.prefs.Preference.bindView<ColorPanelView>(
+        val v = io.legado.app.lib.prefs.Preference.bindView<ColorPanelView>(
             context, holder, icon, title, summary, widgetLayoutResource,
             io.legado.app.R.id.cpv_preference_preview_color_panel, 30, 30
         )
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreference.kt b/app/src/main/java/io/legado/app/lib/prefs/EditTextPreference.kt
similarity index 94%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreference.kt
rename to app/src/main/java/io/legado/app/lib/prefs/EditTextPreference.kt
index 97ffa92b8..f32966841 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreference.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/EditTextPreference.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.content.Context
 import android.util.AttributeSet
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreferenceDialog.kt b/app/src/main/java/io/legado/app/lib/prefs/EditTextPreferenceDialog.kt
similarity index 95%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreferenceDialog.kt
rename to app/src/main/java/io/legado/app/lib/prefs/EditTextPreferenceDialog.kt
index 06a6bb960..f3bd5137f 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/EditTextPreferenceDialog.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/EditTextPreferenceDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.app.Dialog
 import android.os.Bundle
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt b/app/src/main/java/io/legado/app/lib/prefs/IconListPreference.kt
similarity index 99%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt
rename to app/src/main/java/io/legado/app/lib/prefs/IconListPreference.kt
index de1718472..046d6d7d6 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/IconListPreference.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/IconListPreference.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.content.Context
 import android.content.ContextWrapper
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/ListPreferenceDialog.kt b/app/src/main/java/io/legado/app/lib/prefs/ListPreferenceDialog.kt
similarity index 95%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/ListPreferenceDialog.kt
rename to app/src/main/java/io/legado/app/lib/prefs/ListPreferenceDialog.kt
index 3c324601e..d4e626299 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/ListPreferenceDialog.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/ListPreferenceDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.app.Dialog
 import android.os.Bundle
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/MultiSelectListPreferenceDialog.kt b/app/src/main/java/io/legado/app/lib/prefs/MultiSelectListPreferenceDialog.kt
similarity index 95%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/MultiSelectListPreferenceDialog.kt
rename to app/src/main/java/io/legado/app/lib/prefs/MultiSelectListPreferenceDialog.kt
index 62c057f74..6bc6051b1 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/MultiSelectListPreferenceDialog.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/MultiSelectListPreferenceDialog.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.app.Dialog
 import android.os.Bundle
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/NameListPreference.kt b/app/src/main/java/io/legado/app/lib/prefs/NameListPreference.kt
similarity index 97%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/NameListPreference.kt
rename to app/src/main/java/io/legado/app/lib/prefs/NameListPreference.kt
index cf06ec6f8..8658c2ccc 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/NameListPreference.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/NameListPreference.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.content.Context
 import android.util.AttributeSet
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/Preference.kt b/app/src/main/java/io/legado/app/lib/prefs/Preference.kt
similarity index 99%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/Preference.kt
rename to app/src/main/java/io/legado/app/lib/prefs/Preference.kt
index 6cd98ce18..6ed4c9cfc 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/Preference.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/Preference.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.content.Context
 import android.graphics.drawable.Drawable
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/PreferenceCategory.kt b/app/src/main/java/io/legado/app/lib/prefs/PreferenceCategory.kt
similarity index 98%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/PreferenceCategory.kt
rename to app/src/main/java/io/legado/app/lib/prefs/PreferenceCategory.kt
index 74ff487df..725fab609 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/PreferenceCategory.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/PreferenceCategory.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.content.Context
 import android.util.AttributeSet
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/SwitchPreference.kt b/app/src/main/java/io/legado/app/lib/prefs/SwitchPreference.kt
similarity index 97%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/SwitchPreference.kt
rename to app/src/main/java/io/legado/app/lib/prefs/SwitchPreference.kt
index 3c4e29aa9..d71e914b7 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/SwitchPreference.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/SwitchPreference.kt
@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget.prefs
+package io.legado.app.lib.prefs
 
 import android.content.Context
 import android.util.AttributeSet
diff --git a/app/src/main/java/io/legado/app/ui/widget/prefs/fragment/PreferenceFragment.kt b/app/src/main/java/io/legado/app/lib/prefs/fragment/PreferenceFragment.kt
similarity index 89%
rename from app/src/main/java/io/legado/app/ui/widget/prefs/fragment/PreferenceFragment.kt
rename to app/src/main/java/io/legado/app/lib/prefs/fragment/PreferenceFragment.kt
index 012b7883f..b18dbdece 100644
--- a/app/src/main/java/io/legado/app/ui/widget/prefs/fragment/PreferenceFragment.kt
+++ b/app/src/main/java/io/legado/app/lib/prefs/fragment/PreferenceFragment.kt
@@ -1,11 +1,11 @@
-package io.legado.app.ui.widget.prefs.fragment
+package io.legado.app.lib.prefs.fragment
 
 import android.annotation.SuppressLint
 import androidx.fragment.app.DialogFragment
 import androidx.preference.*
-import io.legado.app.ui.widget.prefs.EditTextPreferenceDialog
-import io.legado.app.ui.widget.prefs.ListPreferenceDialog
-import io.legado.app.ui.widget.prefs.MultiSelectListPreferenceDialog
+import io.legado.app.lib.prefs.EditTextPreferenceDialog
+import io.legado.app.lib.prefs.ListPreferenceDialog
+import io.legado.app.lib.prefs.MultiSelectListPreferenceDialog
 
 abstract class PreferenceFragment : PreferenceFragmentCompat() {
 
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
index f4b56f7d4..76462ca18 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
@@ -12,12 +12,12 @@ import io.legado.app.R
 import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
 import io.legado.app.help.config.ReadBookConfig
+import io.legado.app.lib.prefs.fragment.PreferenceFragment
 import io.legado.app.lib.theme.bottomBackground
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.model.ReadBook
 import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.ui.book.read.page.provider.ChapterProvider
-import io.legado.app.ui.widget.prefs.fragment.PreferenceFragment
 import io.legado.app.utils.dpToPx
 import io.legado.app.utils.getPrefBoolean
 import io.legado.app.utils.postEvent
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
index 344bf4487..e303a6d7e 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
@@ -15,11 +15,11 @@ import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
 import io.legado.app.help.IntentHelp
 import io.legado.app.lib.dialogs.SelectItem
+import io.legado.app.lib.prefs.fragment.PreferenceFragment
 import io.legado.app.lib.theme.backgroundColor
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.model.ReadAloud
 import io.legado.app.service.BaseReadAloudService
-import io.legado.app.ui.widget.prefs.fragment.PreferenceFragment
 import io.legado.app.utils.*
 
 class ReadAloudConfigDialog : DialogFragment() {
diff --git a/app/src/main/java/io/legado/app/ui/config/BackupConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/BackupConfigFragment.kt
index 7bcc14606..bf3fa55ca 100644
--- a/app/src/main/java/io/legado/app/ui/config/BackupConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/BackupConfigFragment.kt
@@ -24,11 +24,11 @@ import io.legado.app.help.storage.*
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.permission.Permissions
 import io.legado.app.lib.permission.PermissionsCompat
+import io.legado.app.lib.prefs.fragment.PreferenceFragment
 import io.legado.app.lib.theme.accentColor
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.ui.document.HandleFileContract
 import io.legado.app.ui.widget.dialog.TextDialog
-import io.legado.app.ui.widget.prefs.fragment.PreferenceFragment
 import io.legado.app.utils.*
 import kotlinx.coroutines.Dispatchers.Main
 import kotlinx.coroutines.launch
@@ -127,7 +127,7 @@ class BackupConfigFragment : PreferenceFragment(),
         upPreferenceSummary(PreferKey.webDavPassword, getPrefString(PreferKey.webDavPassword))
         upPreferenceSummary(PreferKey.webDavDir, AppConfig.webDavDir)
         upPreferenceSummary(PreferKey.backupPath, getPrefString(PreferKey.backupPath))
-        findPreference<io.legado.app.ui.widget.prefs.Preference>("web_dav_restore")
+        findPreference<io.legado.app.lib.prefs.Preference>("web_dav_restore")
             ?.onLongClick { restoreDir.launch(); true }
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/config/CoverConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/CoverConfigFragment.kt
index b064c9390..45496d0c9 100644
--- a/app/src/main/java/io/legado/app/ui/config/CoverConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/CoverConfigFragment.kt
@@ -9,10 +9,10 @@ import androidx.preference.Preference
 import io.legado.app.R
 import io.legado.app.constant.PreferKey
 import io.legado.app.lib.dialogs.selector
+import io.legado.app.lib.prefs.SwitchPreference
+import io.legado.app.lib.prefs.fragment.PreferenceFragment
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.model.BookCover
-import io.legado.app.ui.widget.prefs.SwitchPreference
-import io.legado.app.ui.widget.prefs.fragment.PreferenceFragment
 import io.legado.app.utils.*
 import java.io.FileOutputStream
 
diff --git a/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
index 27f5983ab..f1ec03bce 100644
--- a/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt
@@ -15,13 +15,13 @@ import io.legado.app.constant.PreferKey
 import io.legado.app.databinding.DialogEditTextBinding
 import io.legado.app.help.config.AppConfig
 import io.legado.app.lib.dialogs.alert
+import io.legado.app.lib.prefs.fragment.PreferenceFragment
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.model.CheckSource
 import io.legado.app.receiver.SharedReceiverActivity
 import io.legado.app.service.WebService
 import io.legado.app.ui.document.HandleFileContract
 import io.legado.app.ui.widget.number.NumberPickerDialog
-import io.legado.app.ui.widget.prefs.fragment.PreferenceFragment
 import io.legado.app.utils.*
 import splitties.init.appCtx
 
diff --git a/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt
index ebdadfb2b..567217e07 100644
--- a/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt
@@ -23,10 +23,10 @@ import io.legado.app.help.config.AppConfig
 import io.legado.app.help.config.ThemeConfig
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.dialogs.selector
+import io.legado.app.lib.prefs.ColorPreference
+import io.legado.app.lib.prefs.fragment.PreferenceFragment
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.ui.widget.number.NumberPickerDialog
-import io.legado.app.ui.widget.prefs.ColorPreference
-import io.legado.app.ui.widget.prefs.fragment.PreferenceFragment
 import io.legado.app.ui.widget.seekbar.SeekBarChangeListener
 import io.legado.app.utils.*
 import java.io.FileOutputStream
diff --git a/app/src/main/java/io/legado/app/ui/config/WelcomeConfigFragment.kt b/app/src/main/java/io/legado/app/ui/config/WelcomeConfigFragment.kt
index 0905fe62f..2e9ea30c5 100644
--- a/app/src/main/java/io/legado/app/ui/config/WelcomeConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/config/WelcomeConfigFragment.kt
@@ -9,9 +9,9 @@ import androidx.preference.Preference
 import io.legado.app.R
 import io.legado.app.constant.PreferKey
 import io.legado.app.lib.dialogs.selector
+import io.legado.app.lib.prefs.fragment.PreferenceFragment
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.model.BookCover
-import io.legado.app.ui.widget.prefs.fragment.PreferenceFragment
 import io.legado.app.utils.*
 import java.io.FileOutputStream
 
diff --git a/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt b/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
index f4b3c6d53..df40f6cad 100644
--- a/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
@@ -14,6 +14,10 @@ import io.legado.app.databinding.FragmentMyConfigBinding
 import io.legado.app.help.config.AppConfig
 import io.legado.app.help.config.ThemeConfig
 import io.legado.app.lib.dialogs.selector
+import io.legado.app.lib.prefs.NameListPreference
+import io.legado.app.lib.prefs.PreferenceCategory
+import io.legado.app.lib.prefs.SwitchPreference
+import io.legado.app.lib.prefs.fragment.PreferenceFragment
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.service.WebService
 import io.legado.app.ui.about.AboutActivity
@@ -25,10 +29,6 @@ import io.legado.app.ui.config.ConfigActivity
 import io.legado.app.ui.config.ConfigTag
 import io.legado.app.ui.replace.ReplaceRuleActivity
 import io.legado.app.ui.widget.dialog.TextDialog
-import io.legado.app.ui.widget.prefs.NameListPreference
-import io.legado.app.ui.widget.prefs.PreferenceCategory
-import io.legado.app.ui.widget.prefs.SwitchPreference
-import io.legado.app.ui.widget.prefs.fragment.PreferenceFragment
 import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 
diff --git a/app/src/main/res/xml/about.xml b/app/src/main/res/xml/about.xml
index d0a498c0d..b62f4a2f4 100644
--- a/app/src/main/res/xml/about.xml
+++ b/app/src/main/res/xml/about.xml
@@ -2,82 +2,82 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="contributors"
         android:summary="@string/contributors_summary"
         android:title="@string/contributors"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="update_log"
         android:title="@string/update_log"
         app:allowDividerAbove="false"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="check_update"
         android:title="@string/check_update"
         app:allowDividerAbove="false"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/contact"
         app:allowDividerAbove="true"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="gzGzh"
             android:summary="@string/official_account"
             android:title="@string/follow_official_account"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="qqChannel"
             android:title="@string/join_qq_channel"
             android:summary="@string/qq_channel_summary"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="qq"
             android:summary="@string/click_to_apply"
             android:title="@string/join_qq_group"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="mail"
             android:summary="@string/email"
             android:title="@string/send_mail"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="git"
             android:summary="@string/this_github_url"
             android:title="@string/git_hub"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="discord"
             android:summary="@string/discord_url"
             android:title="Discord"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="tg"
             android:summary="@string/tg_url"
             android:title="TG"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="sourceRuleSummary"
             android:summary="@string/source_rule_url"
             android:title="@string/source_rule_s"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="home_page"
             android:summary="@string/home_page_url"
             android:title="@string/home_page"
@@ -85,30 +85,30 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/other"
         app:allowDividerAbove="true"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="crashLog"
             android:title="@string/crash_log"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="license"
             android:title="@string/license"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="disclaimer"
             android:title="@string/disclaimer"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
 </androidx.preference.PreferenceScreen>
\ No newline at end of file
diff --git a/app/src/main/res/xml/donate.xml b/app/src/main/res/xml/donate.xml
index 1b4d7af60..9b43609cb 100644
--- a/app/src/main/res/xml/donate.xml
+++ b/app/src/main/res/xml/donate.xml
@@ -2,20 +2,20 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/wechat"
         app:allowDividerAbove="false"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="gzGzh"
             android:summary="@string/follow_public_account_summary"
             android:title="@string/follow_official_account"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="wxZsm"
             android:summary="@string/click_to_open"
             android:title="@string/weChat_appreciation_code"
@@ -23,28 +23,28 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/alipay"
         app:allowDividerAbove="true"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="zfbHbSsm"
             android:summary="@string/alipay_red_envelope_copy"
             android:title="@string/alipay_red_envelope_search_code"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="zfbHbRwm"
             android:summary="@string/click_to_open"
             android:title="@string/alipay_red_envelope_qr_code"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="zfbSkRwm"
             android:summary="@string/click_to_open"
             android:title="@string/alipay_payment_qr_code"
@@ -52,21 +52,21 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="QQ"
         app:allowDividerAbove="true"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="qqSkRwm"
             android:summary="@string/click_to_open"
             android:title="@string/qq_collection_qr_code"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
 </androidx.preference.PreferenceScreen>
\ No newline at end of file
diff --git a/app/src/main/res/xml/pref_config_aloud.xml b/app/src/main/res/xml/pref_config_aloud.xml
index edb0e7ca7..333e0aa40 100644
--- a/app/src/main/res/xml/pref_config_aloud.xml
+++ b/app/src/main/res/xml/pref_config_aloud.xml
@@ -2,38 +2,38 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/aloud_config"
         app:allowDividerAbove="false"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false">
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="false"
             android:title="@string/pref_media_button_per_next"
             android:summary="@string/pref_media_button_per_next_summary"
             android:key="mediaButtonPerNext"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="false"
             android:title="@string/read_aloud_by_page"
             android:summary="@string/read_aloud_by_page_summary"
             android:key="readAloudByPage"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:title="@string/speak_engine"
             android:summary="TTS"
             android:key="appTtsEngine"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:title="@string/sys_tts_config"
             android:summary="@string/sys_tts_config_summary"
             android:key="sysTtsConfig"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
 </androidx.preference.PreferenceScreen>
\ No newline at end of file
diff --git a/app/src/main/res/xml/pref_config_backup.xml b/app/src/main/res/xml/pref_config_backup.xml
index 06085208d..faf7e214b 100644
--- a/app/src/main/res/xml/pref_config_backup.xml
+++ b/app/src/main/res/xml/pref_config_backup.xml
@@ -2,39 +2,39 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/web_dav_set"
         app:allowDividerAbove="false"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.EditTextPreference
+        <io.legado.app.lib.prefs.EditTextPreference
             android:key="web_dav_url"
             android:title="@string/web_dav_url"
             android:summary="@string/web_dav_url_s"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.EditTextPreference
+        <io.legado.app.lib.prefs.EditTextPreference
             android:key="web_dav_account"
             android:title="@string/web_dav_account"
             android:summary="@string/web_dav_account_s"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.EditTextPreference
+        <io.legado.app.lib.prefs.EditTextPreference
             android:key="web_dav_password"
             android:title="@string/web_dav_pw"
             android:summary="@string/web_dav_pw_s"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.EditTextPreference
+        <io.legado.app.lib.prefs.EditTextPreference
             android:key="webDavDir"
             android:title="@string/sub_dir"
             app:allowDividerAbove="false"
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:key="syncBookProgress"
             android:defaultValue="true"
             android:title="@string/sync_book_progress_t"
@@ -43,44 +43,44 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/backup_restore"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="backupUri"
             android:title="@string/backup_path"
             android:summary="@string/select_backup_path"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="web_dav_backup"
             android:title="@string/backup"
             android:summary="@string/backup_summary"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="web_dav_restore"
             android:title="@string/restore"
             android:summary="@string/restore_summary"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="restoreIgnore"
             android:title="@string/restore_ignore"
             android:summary="@string/restore_ignore_summary"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="import_old"
             android:title="@string/menu_import_old_version"
             android:summary="@string/import_old_summary"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
 </androidx.preference.PreferenceScreen>
diff --git a/app/src/main/res/xml/pref_config_cover.xml b/app/src/main/res/xml/pref_config_cover.xml
index ca692fb57..1d8db29ed 100644
--- a/app/src/main/res/xml/pref_config_cover.xml
+++ b/app/src/main/res/xml/pref_config_cover.xml
@@ -2,13 +2,13 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:key="loadCoverOnlyWifi"
         android:defaultValue="false"
         android:title="@string/only_wifi"
         android:summary="@string/only_wifi_summary" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="coverRule"
         android:title="@string/cover_rule"
         android:summary="@string/cover_rule_summary"
@@ -16,7 +16,7 @@
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:key="useDefaultCover"
         android:summary="@string/use_default_cover_s"
@@ -25,7 +25,7 @@
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:key="dayThemeCategory"
         android:title="@string/day"
         app:allowDividerAbove="true"
@@ -33,14 +33,14 @@
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="defaultCover"
             android:title="@string/default_cover"
             app:allowDividerAbove="false"
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="coverShowName"
             android:title="@string/cover_show_name"
@@ -49,7 +49,7 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="coverShowAuthor"
             android:title="@string/cover_show_author"
@@ -58,9 +58,9 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:key="nightThemeCategory"
         android:title="@string/night"
         app:allowDividerAbove="true"
@@ -68,14 +68,14 @@
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="defaultCoverDark"
             android:title="@string/default_cover"
             app:allowDividerAbove="false"
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="coverShowNameN"
             android:title="@string/cover_show_name"
@@ -84,7 +84,7 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="coverShowAuthorN"
             android:title="@string/cover_show_author"
@@ -93,6 +93,6 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
 </androidx.preference.PreferenceScreen>
\ No newline at end of file
diff --git a/app/src/main/res/xml/pref_config_other.xml b/app/src/main/res/xml/pref_config_other.xml
index 0b0d6ffa8..931deb5f9 100644
--- a/app/src/main/res/xml/pref_config_other.xml
+++ b/app/src/main/res/xml/pref_config_other.xml
@@ -2,41 +2,41 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <io.legado.app.ui.widget.prefs.NameListPreference
+    <io.legado.app.lib.prefs.NameListPreference
         android:defaultValue="auto"
         android:key="language"
         android:title="@string/language"
         app:entries="@array/language"
         app:entryValues="@array/language_value" />
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/main_activity"
         app:allowDividerAbove="false"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="false"
             android:key="auto_refresh"
             android:summary="@string/ps_auto_refresh"
             android:title="@string/pt_auto_refresh"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="false"
             android:key="defaultToRead"
             android:summary="@string/ps_default_read"
             android:title="@string/pt_default_read"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="showDiscovery"
             android:title="@string/show_discovery"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="showRss"
             android:title="@string/show_rss"
@@ -44,99 +44,99 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/other_setting"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="userAgent"
             android:title="@string/user_agent" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="defaultBookTreeUri"
             android:summary="@string/book_tree_uri_s"
             android:title="@string/book_tree_uri_t" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="checkSource"
             android:title="@string/check_source_config" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="uploadRule"
             android:summary="@string/direct_link_upload_rule_summary"
             android:title="@string/direct_link_upload_rule" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="false"
             android:key="Cronet"
             android:summary="@string/pref_cronet_summary"
             android:title="Cronet" />
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="false"
             android:key="antiAlias"
             android:summary="@string/pref_anti_alias_summary"
             android:title="@string/anti_alias" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="preDownloadNum"
             android:summary="@string/pre_download_s"
             android:title="@string/pre_download" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="replaceEnableDefault"
             android:summary="@string/replace_enable_default_s"
             android:title="@string/replace_enable_default_t"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="mediaButtonOnExit"
             android:summary="@string/media_button_on_exit_summary"
             android:title="@string/media_button_on_exit_title"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="autoClearExpired"
             android:summary="@string/auto_clear_expired_summary"
             android:title="@string/auto_clear_expired" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="webPort"
             android:title="@string/web_port_title"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="cleanCache"
             android:summary="@string/clear_cache_summary"
             android:title="@string/clear_cache"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="threadCount"
             android:title="@string/threads_num_title"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="process_text"
             android:summary="@string/add_to_text_context_menu_s"
             android:title="@string/add_to_text_context_menu_t"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="false"
             android:key="recordLog"
             android:summary="@string/record_debug_log"
             android:title="@string/record_log"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
 
 </androidx.preference.PreferenceScreen>
\ No newline at end of file
diff --git a/app/src/main/res/xml/pref_config_read.xml b/app/src/main/res/xml/pref_config_read.xml
index 4b26da4b7..1c8a29afb 100644
--- a/app/src/main/res/xml/pref_config_read.xml
+++ b/app/src/main/res/xml/pref_config_read.xml
@@ -2,7 +2,7 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <io.legado.app.ui.widget.prefs.NameListPreference
+    <io.legado.app.lib.prefs.NameListPreference
         android:key="screenOrientation"
         android:defaultValue="0"
         android:title="@string/screen_direction"
@@ -11,7 +11,7 @@
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.NameListPreference
+    <io.legado.app.lib.prefs.NameListPreference
         android:key="keep_light"
         android:defaultValue="0"
         android:entryValues="@array/screen_time_out_value"
@@ -20,110 +20,110 @@
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:title="@string/pt_hide_status_bar"
         android:key="hideStatusBar"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:title="@string/read_body_to_lh"
         android:key="readBodyToLh"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:title="@string/pt_hide_navigation_bar"
         android:key="hideNavigationBar"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:title="@string/double_page_horizontal"
         android:key="doublePageHorizontal"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:title="@string/use_zh_layout"
         android:key="useZhLayout"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:title="@string/text_full_justify"
         android:key="textFullJustify"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:title="@string/text_bottom_justify"
         android:key="textBottomJustify"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:title="@string/volume_key_page"
         android:key="volumeKeyPage"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:title="@string/volume_key_page_on_play"
         android:key="volumeKeyPageOnPlay"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:title="@string/auto_change_source"
         android:key="autoChangeSource"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:title="@string/selectText"
         android:key="selectText"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:title="@string/show_brightness_view"
         android:key="showBrightnessView"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:title="@string/click_regional_config"
         android:key="clickRegionalConfig"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:key="disableReturnKey"
         android:title="@string/disable_return_key"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="customPageKey"
         android:title="@string/custom_page_key"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:key="expandTextMenu"
         android:title="@string/expand_text_menu"
diff --git a/app/src/main/res/xml/pref_config_theme.xml b/app/src/main/res/xml/pref_config_theme.xml
index ed40078be..1eb0f0c63 100644
--- a/app/src/main/res/xml/pref_config_theme.xml
+++ b/app/src/main/res/xml/pref_config_theme.xml
@@ -2,7 +2,7 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <io.legado.app.ui.widget.prefs.IconListPreference
+    <io.legado.app.lib.prefs.IconListPreference
         android:defaultValue="ic_launcher"
         android:entries="@array/icon_names"
         android:entryValues="@array/icons"
@@ -12,38 +12,38 @@
         app:iconSpaceReserved="false"
         app:icons="@array/icons" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="welcomeStyle"
         android:title="@string/welcome_style"
         android:summary="@string/welcome_style_summary" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:key="transparentStatusBar"
         android:summary="@string/status_bar_immersion"
         android:title="@string/immersion_status_bar"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="true"
         android:key="immNavigationBar"
         android:summary="@string/imm_navigation_bar_s"
         android:title="@string/imm_navigation_bar"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="barElevation"
         android:summary="@string/bar_elevation_s"
         android:title="@string/bar_elevation"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="fontScale"
         android:summary="@string/font_scale_summary"
         android:title="@string/font_scale"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="coverConfig"
         android:title="@string/cover_config"
         android:summary="@string/cover_config_summary"
@@ -51,7 +51,7 @@
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="themeList"
         android:summary="@string/theme_list_summary"
         android:title="@string/theme_list"
@@ -59,7 +59,7 @@
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:key="dayThemeCategory"
         android:title="@string/day"
         app:allowDividerAbove="true"
@@ -67,7 +67,7 @@
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.ColorPreference
+        <io.legado.app.lib.prefs.ColorPreference
             android:defaultValue="@color/md_light_blue_600"
             android:key="colorPrimary"
             android:summary="@string/day_color_primary"
@@ -75,7 +75,7 @@
             app:cpv_dialogType="preset"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.ColorPreference
+        <io.legado.app.lib.prefs.ColorPreference
             android:defaultValue="@color/md_pink_800"
             android:key="colorAccent"
             android:summary="@string/day_color_accent"
@@ -83,7 +83,7 @@
             app:cpv_dialogType="preset"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.ColorPreference
+        <io.legado.app.lib.prefs.ColorPreference
             android:defaultValue="@color/md_grey_100"
             android:key="colorBackground"
             android:summary="@string/day_background_color"
@@ -91,7 +91,7 @@
             app:cpv_dialogType="preset"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.ColorPreference
+        <io.legado.app.lib.prefs.ColorPreference
             android:defaultValue="@color/md_grey_200"
             android:key="colorBottomBackground"
             android:summary="@string/day_navbar_color"
@@ -101,11 +101,11 @@
             app:cpv_dialogType="preset"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="backgroundImage"
             android:title="@string/background_image" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="saveDayTheme"
             android:summary="@string/save_day_theme_summary"
             android:title="@string/save_theme_config"
@@ -113,9 +113,9 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:key="nightThemeCategory"
         android:title="@string/night"
         app:allowDividerAbove="true"
@@ -123,7 +123,7 @@
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.ColorPreference
+        <io.legado.app.lib.prefs.ColorPreference
             android:defaultValue="@color/md_grey_900"
             android:key="colorPrimaryNight"
             android:summary="@string/night_primary"
@@ -131,7 +131,7 @@
             app:cpv_dialogType="preset"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.ColorPreference
+        <io.legado.app.lib.prefs.ColorPreference
             android:defaultValue="@color/md_deep_orange_800"
             android:key="colorAccentNight"
             android:summary="@string/night_accent"
@@ -139,7 +139,7 @@
             app:cpv_dialogType="preset"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.ColorPreference
+        <io.legado.app.lib.prefs.ColorPreference
             android:defaultValue="@color/md_black_1000"
             android:key="colorBackgroundNight"
             android:summary="@string/night_background_color"
@@ -147,7 +147,7 @@
             app:cpv_dialogType="preset"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.ColorPreference
+        <io.legado.app.lib.prefs.ColorPreference
             android:defaultValue="@color/md_grey_800"
             android:key="colorBottomBackgroundNight"
             android:summary="@string/night_navbar_color"
@@ -155,11 +155,11 @@
             app:cpv_dialogType="preset"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="backgroundImageNight"
             android:title="@string/background_image" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="saveNightTheme"
             android:summary="@string/save_night_theme_summary"
             android:title="@string/save_theme_config"
@@ -167,6 +167,6 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
 </androidx.preference.PreferenceScreen>
\ No newline at end of file
diff --git a/app/src/main/res/xml/pref_config_welcome.xml b/app/src/main/res/xml/pref_config_welcome.xml
index 66f780983..bdd19fe68 100644
--- a/app/src/main/res/xml/pref_config_welcome.xml
+++ b/app/src/main/res/xml/pref_config_welcome.xml
@@ -2,7 +2,7 @@
 <androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:key="customWelcome"
         android:summary="@string/custom_welcome_summary"
@@ -11,7 +11,7 @@
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:key="dayThemeCategory"
         android:title="@string/day"
         app:allowDividerAbove="true"
@@ -19,14 +19,14 @@
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="welcomeImagePath"
             android:title="@string/background_image"
             app:allowDividerAbove="false"
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="welcomeShowText"
             android:summary="@string/welcome_text"
@@ -35,7 +35,7 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="welcomeShowIcon"
             android:summary="@string/show_default_book_icon"
@@ -44,9 +44,9 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:key="nightThemeCategory"
         android:title="@string/night"
         app:allowDividerAbove="true"
@@ -54,14 +54,14 @@
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="welcomeImagePathDark"
             android:title="@string/background_image"
             app:allowDividerAbove="false"
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="welcomeShowTextDark"
             android:summary="@string/welcome_text"
@@ -70,7 +70,7 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.SwitchPreference
+        <io.legado.app.lib.prefs.SwitchPreference
             android:defaultValue="true"
             android:key="welcomeShowIconDark"
             android:summary="@string/show_default_book_icon"
@@ -79,6 +79,6 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
 </androidx.preference.PreferenceScreen>
\ No newline at end of file
diff --git a/app/src/main/res/xml/pref_main.xml b/app/src/main/res/xml/pref_main.xml
index 45cba0157..70d80013d 100644
--- a/app/src/main/res/xml/pref_main.xml
+++ b/app/src/main/res/xml/pref_main.xml
@@ -5,21 +5,21 @@
     app:allowDividerAbove="false"
     app:allowDividerBelow="false">
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="bookSourceManage"
         android:title="@string/book_source_manage"
         android:summary="@string/book_source_manage_desc"
         android:icon="@drawable/ic_cfg_source"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.Preference
+    <io.legado.app.lib.prefs.Preference
         android:key="replaceManage"
         android:title="@string/replace_purify"
         android:summary="@string/replace_purify_desc"
         android:icon="@drawable/ic_cfg_replace"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.NameListPreference
+    <io.legado.app.lib.prefs.NameListPreference
         android:defaultValue="0"
         android:entries="@array/theme_mode"
         android:entryValues="@array/theme_mode_v"
@@ -29,7 +29,7 @@
         android:icon="@drawable/ic_cfg_theme"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
+    <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:key="webService"
         android:title="@string/web_service"
@@ -38,27 +38,27 @@
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/setting"
         app:allowDividerAbove="true"
         app:allowDividerBelow="false"
         app:iconSpaceReserved="false">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="web_dav_setting"
             android:summary="@string/web_dav_set_import_old"
             android:title="@string/backup_restore"
             android:icon="@drawable/ic_cfg_backup"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="theme_setting"
             android:summary="@string/theme_setting_s"
             android:title="@string/theme_setting"
             android:icon="@drawable/ic_cfg_theme"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="setting"
             android:summary="@string/other_setting_s"
             android:title="@string/other_setting"
@@ -66,9 +66,9 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory
+    <io.legado.app.lib.prefs.PreferenceCategory
         android:title="@string/other"
         android:key="aboutCategory"
         app:allowDividerAbove="true"
@@ -76,34 +76,34 @@
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="bookmark"
             android:title="@string/bookmark"
             android:summary="@string/all_bookmark"
             android:icon="@drawable/ic_bookmark"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="readRecord"
             android:title="@string/read_record"
             android:summary="@string/read_record_summary"
             android:icon="@drawable/ic_history"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="donate"
             android:summary="@string/donate_summary"
             android:title="@string/donate"
             android:icon="@drawable/ic_cfg_donate"
             app:iconSpaceReserved="false" />
 
-        <io.legado.app.ui.widget.prefs.Preference
+        <io.legado.app.lib.prefs.Preference
             android:key="about"
             android:summary="@string/about_summary"
             android:title="@string/about"
             android:icon="@drawable/ic_cfg_about"
             app:iconSpaceReserved="false" />
 
-    </io.legado.app.ui.widget.prefs.PreferenceCategory>
+    </io.legado.app.lib.prefs.PreferenceCategory>
 
 </androidx.preference.PreferenceScreen>
\ No newline at end of file