diff --git a/app/src/main/java/io/legado/app/help/config/AppConfig.kt b/app/src/main/java/io/legado/app/help/config/AppConfig.kt
index 8fa01999a..8be6ccd4f 100644
--- a/app/src/main/java/io/legado/app/help/config/AppConfig.kt
+++ b/app/src/main/java/io/legado/app/help/config/AppConfig.kt
@@ -312,8 +312,8 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
 
     val loadCoverOnlyWifi = appCtx.getPrefBoolean(PreferKey.loadCoverOnlyWifi, false)
 
-    val doublePageHorizontal: Boolean
-        get() = appCtx.getPrefBoolean(PreferKey.doublePageHorizontal, true)
+    val doublePageHorizontal: String?
+        get() = appCtx.getPrefString(PreferKey.doublePageHorizontal)
 
     var searchGroup: String
         get() = appCtx.getPrefString("searchGroup") ?: ""
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt b/app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt
index be8eb28b1..5ae48f727 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt
@@ -612,9 +612,15 @@ object ChapterProvider {
      * 更新绘制尺寸
      */
     fun upLayout() {
-        doublePage = (viewWidth > viewHeight || appCtx.isPad)
-                && ReadBook.pageAnim() != 3
-                && AppConfig.doublePageHorizontal
+        when(AppConfig.doublePageHorizontal){
+            "0" -> doublePage = false
+            "1" -> doublePage = true
+            "2" -> {
+                doublePage = (viewWidth > viewHeight)
+                    && ReadBook.pageAnim() != 3
+            }
+        }
+
         if (viewWidth > 0 && viewHeight > 0) {
             paddingLeft = ReadBookConfig.paddingLeft.dpToPx()
             paddingTop = ReadBookConfig.paddingTop.dpToPx()
diff --git a/app/src/main/java/io/legado/app/ui/book/remote/RemoteBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/remote/RemoteBookActivity.kt
index 74413c57f..0dd6ac2ee 100644
--- a/app/src/main/java/io/legado/app/ui/book/remote/RemoteBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/remote/RemoteBookActivity.kt
@@ -3,6 +3,7 @@ package io.legado.app.ui.book.remote
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
+import android.view.SubMenu
 import androidx.activity.viewModels
 import androidx.core.view.isGone
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -12,13 +13,19 @@ import io.legado.app.databinding.ActivityImportBookBinding
 import io.legado.app.lib.theme.backgroundColor
 import io.legado.app.ui.about.AppLogDialog
 import io.legado.app.ui.book.remote.manager.RemoteBookWebDav
+import io.legado.app.ui.book.source.manage.BookSourceActivity
 import io.legado.app.ui.widget.SelectActionBar
 import io.legado.app.ui.widget.dialog.WaitDialog
+import io.legado.app.utils.cnCompare
 import io.legado.app.utils.showDialogFragment
+import io.legado.app.utils.toastOnUi
 import io.legado.app.utils.viewbindingdelegate.viewBinding
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.conflate
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 import java.io.File
+import java.util.ArrayList
 
 /**
  * 展示远程书籍
@@ -32,7 +39,9 @@ class RemoteBookActivity : VMBaseActivity<ActivityImportBookBinding, RemoteBookV
     override val viewModel by viewModels<RemoteBookViewModel>()
     private val adapter by lazy { RemoteBookAdapter(this, this) }
     private val waitDialog by lazy { WaitDialog(this) }
-
+    private var groupMenu: SubMenu? = null
+    private var sortKey = Sort.Default
+    private var sortAscending = false
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         binding.titleBar.setTitle(R.string.remote_book)
         initView()
@@ -48,13 +57,62 @@ class RemoteBookActivity : VMBaseActivity<ActivityImportBookBinding, RemoteBookV
         binding.selectActionBar.setCallBack(this)
     }
 
+    private fun sortCheck(sortKey: Sort) {
+        if (this.sortKey == sortKey) {
+            sortAscending = !sortAscending
+        } else {
+            sortAscending = true
+            this.sortKey = sortKey
+        }
+    }
     private fun initData() {
         binding.refreshProgressBar.isAutoLoading = true
         launch {
-            viewModel.dataFlow.conflate().collect { remoteBooks ->
+            viewModel.dataFlow.conflate().map { remoteBooks ->
+
+                val dirList = ArrayList<RemoteBook>()
+                val bookList = ArrayList<RemoteBook>()
+
+                remoteBooks.forEach {
+                    if (it.isDir)
+                        dirList.add(it)
+                    else
+                        bookList.add(it)
+                }
+                //默认情况下，为按修改时间倒序显示
+                if (sortAscending) when (sortKey) {
+                    Sort.Name -> {
+                        dirList.sortedBy { it.filename } +
+                        bookList.sortedBy { it.filename }
+                    }
+                    Sort.UpdateTime -> {
+                        dirList.sortedBy { it.lastModify } +
+                        bookList.sortedBy { it.lastModify }
+                    }
+                    else -> dirList + bookList
+                }
+                else when (sortKey) {
+
+                    Sort.Name -> {
+                        dirList.sortedByDescending { it.filename } +
+                        bookList.sortedByDescending { it.filename }
+                    }
+                    Sort.UpdateTime -> {
+                        dirList.sortedByDescending { it.lastModify } +
+                        bookList.sortedByDescending { it.lastModify }
+                    }
+                    //按修改时间倒序显示
+                    else -> {
+                        dirList.sortedByDescending { it.lastModify } +
+                                bookList.sortedByDescending { it.lastModify }
+                    }
+                }
+
+            }.conflate().collect { sortedRemoteBooks ->
                 binding.refreshProgressBar.isAutoLoading = false
-                binding.tvEmptyMsg.isGone = remoteBooks.isNotEmpty()
-                adapter.setItems(remoteBooks)
+                binding.tvEmptyMsg.isGone = sortedRemoteBooks.isNotEmpty()
+                adapter.setItems(sortedRemoteBooks)
+                delay(500)
             }
         }
         upPath()
@@ -75,10 +133,33 @@ class RemoteBookActivity : VMBaseActivity<ActivityImportBookBinding, RemoteBookV
         when (item.itemId) {
             R.id.menu_refresh -> upPath()
             R.id.menu_log -> showDialogFragment<AppLogDialog>()
+            R.id.menu_sort_auto -> {
+                item.isChecked = true
+                toastOnUi("menu_sort_auto")
+                sortCheck(Sort.Default)
+                upPath()
+            }
+            R.id.menu_sort_name -> {
+                item.isChecked = true
+                toastOnUi("menu_sort_name")
+                sortCheck(Sort.Name)
+                upPath()
+            }
+            R.id.menu_sort_time -> {
+                item.isChecked = true
+                toastOnUi("menu_sort_time")
+                sortCheck(Sort.UpdateTime)
+                upPath()
+            }
         }
         return super.onCompatOptionsItemSelected(item)
     }
 
+    override fun onPrepareOptionsMenu(menu: Menu): Boolean {
+        groupMenu = menu.findItem(R.id.menu_sort)?.subMenu
+        groupMenu?.setGroupCheckable(R.id.menu_group_sort, true, true)
+        return super.onPrepareOptionsMenu(menu)
+    }
     override fun revertSelection() {
         adapter.revertSelection()
     }
@@ -139,4 +220,8 @@ class RemoteBookActivity : VMBaseActivity<ActivityImportBookBinding, RemoteBookV
     override fun upCountView() {
         binding.selectActionBar.upCountView(adapter.selected.size, adapter.checkableCount)
     }
+
+    enum class Sort {
+        Default, Name, UpdateTime
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_baseline_sort_24.xml b/app/src/main/res/drawable/ic_baseline_sort_24.xml
new file mode 100644
index 000000000..3b184191d
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_sort_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M3,18h6v-2L3,16v2zM3,6v2h18L21,6L3,6zM3,13h12v-2L3,11v2z"/>
+</vector>
diff --git a/app/src/main/res/menu/book_remote.xml b/app/src/main/res/menu/book_remote.xml
index 59f5ccd42..d291d3f23 100644
--- a/app/src/main/res/menu/book_remote.xml
+++ b/app/src/main/res/menu/book_remote.xml
@@ -9,11 +9,44 @@
         android:icon="@drawable/ic_refresh_black_24dp"
         android:title="@string/refresh"
         app:showAsAction="always" />
+    <item
+        android:id="@+id/menu_sort"
+        android:icon="@drawable/ic_baseline_sort_24"
+        android:title="@string/sort"
+        app:showAsAction="always"
+        tools:ignore="AlwaysShowAction">
+        <menu>
+            <group
+                android:id="@+id/menu_group_sort"
+                android:checkableBehavior="single">
+
+                <item
+                    android:id="@+id/menu_sort_default"
+                    android:checkable="true"
+                    android:checked="true"
+                    android:title="@string/sort_default" />
+
+                <item
+                    android:id="@+id/menu_sort_name"
+                    android:checkable="true"
+                    android:title="@string/sort_by_name" />
+
+                <item
+                    android:id="@+id/menu_sort_time"
+                    android:checkable="true"
+                    android:title="@string/sort_by_lastUpdateTime" />
+
+
+            </group>
+
+        </menu>
+
+    </item>
 
     <item
         android:id="@+id/menu_log"
-        android:title="@string/log"
         android:icon="@drawable/ic_cfg_about"
+        android:title="@string/log"
         app:showAsAction="never" />
 
 </menu>
\ No newline at end of file
diff --git a/app/src/main/res/values-es-rES/strings.xml b/app/src/main/res/values-es-rES/strings.xml
index 26fe3f5bc..dff79f2ce 100644
--- a/app/src/main/res/values-es-rES/strings.xml
+++ b/app/src/main/res/values-es-rES/strings.xml
@@ -347,6 +347,7 @@
     <string name="swap_sort">Orden ascendente/descendente</string>
     <string name="sort">Ordenar</string>
     <string name="sort_auto">Ordenar automáticamente</string>
+    <string name="sort_default">Ordenar por defecto</string>
     <string name="sort_manual">Ordenar manualmente</string>
     <string name="sort_by_name">Ordenar por nombre</string>
     <string name="go_to_top">Ir al principio</string>
diff --git a/app/src/main/res/values-ja-rJP/strings.xml b/app/src/main/res/values-ja-rJP/strings.xml
index 4b808acec..885d1ded5 100644
--- a/app/src/main/res/values-ja-rJP/strings.xml
+++ b/app/src/main/res/values-ja-rJP/strings.xml
@@ -351,6 +351,7 @@
     <string name="swap_sort">Ascending/Descending order</string>
     <string name="sort">Sort</string>
     <string name="sort_auto">Sort automatically</string>
+    <string name="sort_default">Sort default</string>
     <string name="sort_manual">Sort manually</string>
     <string name="sort_by_name">Sort by name</string>
     <string name="go_to_top">Scroll to the top</string>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index ce063bdc8..9256586f3 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -349,6 +349,7 @@
     <string name="swap_sort">Ordem ascendente/descendente</string>
     <string name="sort">Ordenar</string>
     <string name="sort_auto">Ordenar automaticamente</string>
+    <string name="sort_default">Ordenar por defecto</string>
     <string name="sort_manual">Ordenar manualmente</string>
     <string name="sort_by_name">Ordenar por nome</string>
     <string name="go_to_top">Vá ao topo</string>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index e766a58d6..5e8d2bf0a 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -348,6 +348,7 @@
     <string name="swap_sort">倒序-順序</string>
     <string name="sort">排序</string>
     <string name="sort_auto">智能排序</string>
+    <string name="sort_default">默認排序</string>
     <string name="sort_manual">手動排序</string>
     <string name="sort_by_name">名稱排序</string>
     <string name="go_to_top">滾動到頂部</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index cede2c668..0324be41a 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -350,6 +350,7 @@
     <string name="swap_sort">倒序-順序</string>
     <string name="sort">排序</string>
     <string name="sort_auto">智慧排序</string>
+    <string name="sort_default">默認排序</string>
     <string name="sort_manual">手動排序</string>
     <string name="sort_by_name">名稱排序</string>
     <string name="go_to_top">滾動到頂部</string>
diff --git a/app/src/main/res/values-zh/arrays.xml b/app/src/main/res/values-zh/arrays.xml
index d44eceafb..f88cb19ae 100644
--- a/app/src/main/res/values-zh/arrays.xml
+++ b/app/src/main/res/values-zh/arrays.xml
@@ -25,6 +25,12 @@
         <item>E-Ink(墨水屏)</item>
     </string-array>
 
+    <string-array name="double_page_title">
+        <item>全局单页</item>
+        <item>全局双页</item>
+        <item>横屏双页/竖屏单页</item>
+    </string-array>
+
     <string-array name="NavBarColors">
         <item>自动</item>
         <item>黑色</item>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index df1d97d84..a35c642c2 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -351,6 +351,7 @@
     <string name="sort">排序</string>
     <string name="sort_auto">智能排序</string>
     <string name="sort_manual">手动排序</string>
+    <string name="sort_default">默认排序</string>
     <string name="sort_by_name">名称排序</string>
     <string name="go_to_top">滚动到顶部</string>
     <string name="go_to_bottom">滚动到底部</string>
diff --git a/app/src/main/res/values/array_values.xml b/app/src/main/res/values/array_values.xml
index 3793a651c..fe4cf386d 100644
--- a/app/src/main/res/values/array_values.xml
+++ b/app/src/main/res/values/array_values.xml
@@ -33,6 +33,12 @@
         <item>3</item>
     </string-array>
 
+    <string-array name="double_page_value">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+    </string-array>
+
     <string-array name="language_value">
         <item>auto</item>
         <item>zh</item>
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 47dd6b09a..d5202d585 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -61,6 +61,12 @@
 		<item>@string/screen_sensor</item>
 	</string-array>
 
+	<string-array name="double_page_title">
+		<item>全局单页</item>
+		<item>全局双页</item>
+		<item>横屏双页 竖屏单页</item>
+	</string-array>
+
 	<string-array name="icon_names" tools:ignore="Typos">
 		<item>iconMain</item>
 		<item>icon1</item>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b245e0419..aed09cb39 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -352,6 +352,7 @@
     <string name="sort">Sort</string>
     <string name="sort_auto">Sort automatically</string>
     <string name="sort_manual">Sort manually</string>
+    <string name="sort_default">Sort default</string>
     <string name="sort_by_name">Sort by name</string>
     <string name="go_to_top">Scroll to the top</string>
     <string name="go_to_bottom">Scroll to the bottom</string>
diff --git a/app/src/main/res/xml/pref_config_read.xml b/app/src/main/res/xml/pref_config_read.xml
index aeb572e58..db6e8f6ed 100644
--- a/app/src/main/res/xml/pref_config_read.xml
+++ b/app/src/main/res/xml/pref_config_read.xml
@@ -41,13 +41,16 @@
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
-    <io.legado.app.lib.prefs.SwitchPreference
-        android:defaultValue="true"
-        android:title="@string/double_page_horizontal"
+    <io.legado.app.lib.prefs.NameListPreference
         android:key="doublePageHorizontal"
+        android:defaultValue="0"
+        android:title="@string/double_page_horizontal"
+        android:entries="@array/double_page_title"
+        android:entryValues="@array/double_page_value"
         app:iconSpaceReserved="false"
         app:isBottomBackground="true" />
 
+
     <io.legado.app.lib.prefs.SwitchPreference
         android:defaultValue="false"
         android:title="@string/use_zh_layout"