diff --git a/.idea/dictionaries/fengyue.xml b/.idea/dictionaries/fengyue.xml
new file mode 100644
index 0000000..58d8886
--- /dev/null
+++ b/.idea/dictionaries/fengyue.xml
@@ -0,0 +1,3 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="fengyue" />
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index eeb1974..82c7483 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -4,6 +4,8 @@
     <option name="filePathToZoomLevelMap">
       <map>
         <entry key="..\:/android/FYReader/app/src/main/res/layout/activity_more_setting.xml" value="0.264" />
+        <entry key="..\:/android/FYReader/app/src/main/res/layout/fingerprint_dialog.xml" value="0.20425724637681159" />
+        <entry key="..\:/android/FYReader/app/src/main/res/layout/fragment_webdav_setting.xml" value="0.4" />
         <entry key="..\:/android/FYReader/app/src/main/res/layout/listview_search_book_item.xml" value="0.22010869565217392" />
         <entry key="..\:/android/FYReader/app/src/main/res/layout/view_file_picker.xml" value="0.12132725430597771" />
         <entry key="..\:/android/FYReader/app/src/main/res/menu/menu_book.xml" value="0.13703703703703704" />
diff --git a/app/src/main/java/xyz/fycz/myreader/model/storage/WebDavHelp.kt b/app/src/main/java/xyz/fycz/myreader/model/storage/WebDavHelp.kt
index 7667c76..a387aac 100644
--- a/app/src/main/java/xyz/fycz/myreader/model/storage/WebDavHelp.kt
+++ b/app/src/main/java/xyz/fycz/myreader/model/storage/WebDavHelp.kt
@@ -55,7 +55,8 @@ object WebDavHelp {
         try {
             if (initWebDav()) {
                 var files = WebDav(url + "FYReader/").listFiles()
-                files = files.reversed()
+                val sortType = SharedPreUtils.getInstance().getInt("sortType")
+                if (sortType == 0) files = files.reversed()
                 val max = SharedPreUtils.getInstance().getInt("restoreNum", 30)
                 for (index: Int in 0 until min(max, files.size)) {
                     files[index].displayName?.let {
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/activity/MoreSettingActivity.java b/app/src/main/java/xyz/fycz/myreader/ui/activity/MoreSettingActivity.java
index 0787de0..fc6af94 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/activity/MoreSettingActivity.java
+++ b/app/src/main/java/xyz/fycz/myreader/ui/activity/MoreSettingActivity.java
@@ -28,11 +28,15 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.Iterator;
 
+import io.reactivex.Single;
+import io.reactivex.SingleOnSubscribe;
+import io.reactivex.disposables.Disposable;
 import xyz.fycz.myreader.R;
 import xyz.fycz.myreader.application.App;
 import xyz.fycz.myreader.application.SysManager;
 import xyz.fycz.myreader.base.BaseActivity;
 import xyz.fycz.myreader.base.BaseFragment;
+import xyz.fycz.myreader.base.observer.MySingleObserver;
 import xyz.fycz.myreader.common.APPCONST;
 import xyz.fycz.myreader.databinding.ActivityMoreSettingBinding;
 import xyz.fycz.myreader.entity.Setting;
@@ -42,6 +46,7 @@ import xyz.fycz.myreader.model.storage.Backup;
 import xyz.fycz.myreader.model.storage.BackupRestoreUi;
 import xyz.fycz.myreader.model.storage.BackupRestoreUiKt;
 import xyz.fycz.myreader.ui.dialog.DialogCreator;
+import xyz.fycz.myreader.ui.dialog.LoadingDialog;
 import xyz.fycz.myreader.ui.dialog.MultiChoiceDialog;
 import xyz.fycz.myreader.ui.dialog.MyAlertDialog;
 import xyz.fycz.myreader.ui.fragment.PrivateBooksFragment;
@@ -49,6 +54,7 @@ import xyz.fycz.myreader.ui.fragment.WebDavFragment;
 import xyz.fycz.myreader.util.SharedPreUtils;
 import xyz.fycz.myreader.util.ToastUtils;
 import xyz.fycz.myreader.util.utils.FileUtils;
+import xyz.fycz.myreader.util.utils.RxUtils;
 
 import static xyz.fycz.myreader.common.APPCONST.BOOK_CACHE_PATH;
 
@@ -495,34 +501,73 @@ public class MoreSettingActivity extends BaseActivity implements SharedPreferenc
         binding.rlCatheGap.setOnClickListener(v -> binding.scCatheGap.performClick());
 
         binding.rlDeleteCathe.setOnClickListener(v -> {
+            final Disposable[] catheDis = new Disposable[2];
+            LoadingDialog loadingDialog = new LoadingDialog(this,
+                    "正在计算", () -> {
+                for (Disposable d : catheDis) {
+                    if (d != null) {
+                        d.dispose();
+                    }
+                }
+            });
+            loadingDialog.show();
             File catheFile = getCacheDir();
-            String catheFileSize = FileUtils.getFileSize(FileUtils.getDirSize(catheFile));
+            Single.create((SingleOnSubscribe<CharSequence[]>) emitter -> {
+                String catheFileSize = FileUtils.getFileSize(FileUtils.getDirSize(catheFile));
+                File eCatheFile = new File(BOOK_CACHE_PATH);
+                String eCatheFileSize;
+                if (eCatheFile.exists() && eCatheFile.isDirectory()) {
+                    eCatheFileSize = FileUtils.getFileSize(FileUtils.getDirSize(eCatheFile));
+                } else {
+                    eCatheFileSize = "0";
+                }
+                CharSequence[] cathe = {"章节缓存：" + eCatheFileSize, "图片缓存：" + catheFileSize};
+                emitter.onSuccess(cathe);
+            }).compose(RxUtils::toSimpleSingle).subscribe(new MySingleObserver<CharSequence[]>() {
+                @Override
+                public void onSubscribe(Disposable d) {
+                    catheDis[0] = d;
+                    addDisposable(d);
+                }
 
-            File eCatheFile = new File(BOOK_CACHE_PATH);
-            String eCatheFileSize;
-            if (eCatheFile.exists() && eCatheFile.isDirectory()) {
-                eCatheFileSize = FileUtils.getFileSize(FileUtils.getDirSize(eCatheFile));
-            } else {
-                eCatheFileSize = "0";
-            }
-            CharSequence[] cathes = {"章节缓存：" + eCatheFileSize, "图片缓存：" + catheFileSize};
-            boolean[] catheCheck = {true, true};
-            new MultiChoiceDialog().create(this, "清除缓存", cathes, catheCheck, 2,
-                    (dialog, which) -> {
-                        String tip = "";
-                        if (catheCheck[0]) {
-                            BookService.getInstance().deleteAllBookCathe();
-                            tip += "章节缓存 ";
-                        }
-                        if (catheCheck[1]) {
-                            FileUtils.deleteFile(catheFile.getAbsolutePath());
-                            tip += "图片缓存 ";
-                        }
-                        if (tip.length() > 0) {
-                            tip += "清除成功";
-                            ToastUtils.showSuccess(tip);
-                        }
-                    }, null, null);
+                @Override
+                public void onSuccess(@NonNull CharSequence[] cathe) {
+                    loadingDialog.dismiss();
+                    boolean[] catheCheck = {true, true};
+                    new MultiChoiceDialog().create(MoreSettingActivity.this, "清除缓存", cathe, catheCheck, 2,
+                            (dialog, which) -> {
+                                loadingDialog.setmMessage("正在清除");
+                                loadingDialog.show();
+                                Single.create((SingleOnSubscribe<String>) e -> {
+                                    String tip = "";
+                                    if (catheCheck[0]) {
+                                        BookService.getInstance().deleteAllBookCathe();
+                                        tip += "章节缓存 ";
+                                    }
+                                    if (catheCheck[1]) {
+                                        FileUtils.deleteFile(catheFile.getAbsolutePath());
+                                        tip += "图片缓存 ";
+                                    }
+                                    e.onSuccess(tip);
+                                }).compose(RxUtils::toSimpleSingle).subscribe(new MySingleObserver<String>() {
+                                    @Override
+                                    public void onSubscribe(Disposable d) {
+                                        catheDis[1] = d;
+                                        addDisposable(d);
+                                    }
+
+                                    @Override
+                                    public void onSuccess(@NonNull String tip) {
+                                        loadingDialog.dismiss();
+                                        if (tip.length() > 0) {
+                                            tip += "清除成功";
+                                            ToastUtils.showSuccess(tip);
+                                        }
+                                    }
+                                });
+                            }, null, null);
+                }
+            });
         });
     }
 
diff --git a/app/src/main/java/xyz/fycz/myreader/ui/fragment/WebDavFragment.java b/app/src/main/java/xyz/fycz/myreader/ui/fragment/WebDavFragment.java
index e9490f6..090bde3 100644
--- a/app/src/main/java/xyz/fycz/myreader/ui/fragment/WebDavFragment.java
+++ b/app/src/main/java/xyz/fycz/myreader/ui/fragment/WebDavFragment.java
@@ -8,6 +8,9 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.NumberPicker;
 
+import com.kongzue.dialogx.dialogs.BottomMenu;
+import com.kongzue.dialogx.interfaces.OnMenuItemClickListener;
+
 import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
@@ -43,6 +46,8 @@ public class WebDavFragment extends BaseFragment {
     private String webdavAccount;
     private String webdavPassword;
     private int restoreNum;
+    private int sortType;
+    private String[] sortTypeArr = new String[]{"逆序", "顺序"};
 
     @Override
     protected View bindView(LayoutInflater inflater, ViewGroup container) {
@@ -57,6 +62,7 @@ public class WebDavFragment extends BaseFragment {
         webdavAccount = SharedPreUtils.getInstance().getString("webdavAccount", "");
         webdavPassword = SharedPreUtils.getInstance().getString("webdavPassword", "");
         restoreNum = SharedPreUtils.getInstance().getInt("restoreNum", 30);
+        sortType = SharedPreUtils.getInstance().getInt("sortType");
     }
 
     @Override
@@ -66,6 +72,7 @@ public class WebDavFragment extends BaseFragment {
         binding.tvWebdavAccount.setText(StringHelper.isEmpty(webdavAccount) ? "请输入WebDav账号" : webdavAccount);
         binding.tvWebdavPassword.setText(StringHelper.isEmpty(webdavPassword) ? "请输入WebDav授权密码" : "************");
         binding.tvRestoreNum.setText(getString(R.string.cur_restore_list_num, restoreNum));
+        binding.tvRestoreSort.setText(sortType == 0 ? sortTypeArr[0] : sortTypeArr[1]);
     }
 
     @Override
@@ -164,5 +171,16 @@ public class WebDavFragment extends BaseFragment {
                     }).setNegativeButton("取消", null)
                     .show();
         });
+
+        binding.llRestoreSort.setOnClickListener(v -> {
+            BottomMenu.show(getString(R.string.sort_type), sortTypeArr)
+                    .setSelection(sortType)
+                    .setOnMenuItemClickListener((dialog, text, which) -> {
+                        sortType = which;
+                        SharedPreUtils.getInstance().putInt("sortType", which);
+                        binding.tvRestoreSort.setText(sortType == 0 ? sortTypeArr[0] : sortTypeArr[1]);
+                        return false;
+                    }).setCancelButton(R.string.cancel);
+        });
     }
 }
diff --git a/app/src/main/java/xyz/fycz/myreader/util/webdav/WebDav.kt b/app/src/main/java/xyz/fycz/myreader/util/webdav/WebDav.kt
index 310bd7c..a469342 100644
--- a/app/src/main/java/xyz/fycz/myreader/util/webdav/WebDav.kt
+++ b/app/src/main/java/xyz/fycz/myreader/util/webdav/WebDav.kt
@@ -111,8 +111,7 @@ constructor(urlStr: String) {
         for (p in propsList) {
             requestProps.append("<a:").append(p).append("/>\n")
         }
-        val requestPropsStr: String
-        requestPropsStr = if (requestProps.toString().isEmpty()) {
+        val requestPropsStr: String = if (requestProps.toString().isEmpty()) {
             DIR.replace("%s", "")
         } else {
             String.format(DIR, requestProps.toString() + "\n")
diff --git a/app/src/main/res/layout/fragment_webdav_setting.xml b/app/src/main/res/layout/fragment_webdav_setting.xml
index 2858de4..d92bdd3 100644
--- a/app/src/main/res/layout/fragment_webdav_setting.xml
+++ b/app/src/main/res/layout/fragment_webdav_setting.xml
@@ -127,4 +127,30 @@
             android:textColor="@color/textAssist" />
     </LinearLayout>
 
+    <LinearLayout
+        android:id="@+id/ll_restore_sort"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:background="@drawable/selector_common_bg"
+        android:orientation="vertical"
+        android:paddingLeft="20dp"
+        android:paddingTop="8dp"
+        android:paddingRight="20dp">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/sort_type"
+            android:textColor="@color/textSecondary"
+            android:textSize="@dimen/text_normal_size" />
+
+        <TextView
+            android:id="@+id/tv_restore_sort"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:paddingTop="5dp"
+            android:text="@string/sort_type"
+            android:textColor="@color/textAssist" />
+    </LinearLayout>
+
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index af79c69..ed25164 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -505,6 +505,7 @@
     <string name="re_seg">章节内容智能分段</string>
     <string name="backup_path">备份路径</string>
     <string name="cathe_path">缓存路径</string>
+    <string name="sort_type">排序方式</string>
 
 
     <string-array name="reset_screen_time">