diff --git a/app/src/main/java/io/legado/app/help/storage/Backup.kt b/app/src/main/java/io/legado/app/help/storage/Backup.kt
index 56bae33eb..14faab468 100644
--- a/app/src/main/java/io/legado/app/help/storage/Backup.kt
+++ b/app/src/main/java/io/legado/app/help/storage/Backup.kt
@@ -6,11 +6,13 @@ import io.legado.app.R
 import io.legado.app.help.FileHelp
 import io.legado.app.utils.FileUtils
 import io.legado.app.utils.GSON
+import org.jetbrains.anko.defaultSharedPreferences
 import org.jetbrains.anko.doAsync
 import org.jetbrains.anko.toast
 import org.jetbrains.anko.uiThread
 import java.io.File
 
+
 object Backup {
 
     val defaultPath by lazy {
@@ -24,6 +26,7 @@ object Backup {
             backupBookSource(path)
             backupRssSource(path)
             backupReplaceRule(path)
+            backupPreference(path)
             WebDavHelp.backUpWebDav()
             uiThread {
                 App.INSTANCE.toast(R.string.backup_success)
@@ -42,12 +45,6 @@ object Backup {
         }
     }
 
-    private fun backupPreference(path: String) {
-        val file = FileHelp.getFile(path + File.separator + "config.xml")
-
-
-    }
-
     private fun backupBookshelf(path: String) {
         val json = GSON.toJson(App.db.bookDao().allBooks)
         val file = FileHelp.getFile(path + File.separator + "bookshelf.json")
@@ -71,4 +68,22 @@ object Backup {
         val file = FileHelp.getFile(path + File.separator + "replaceRule.json")
         file.writeText(json)
     }
+
+    private fun backupPreference(path: String) {
+        Preferences.getSharedPreferences(App.INSTANCE, path, "config")?.let { sp ->
+            val edit = sp.edit()
+            App.INSTANCE.defaultSharedPreferences.all.map {
+                when (val value = it.value) {
+                    is Int -> edit.putInt(it.key, value)
+                    is Boolean -> edit.putBoolean(it.key, value)
+                    is Long -> edit.putLong(it.key, value)
+                    is Float -> edit.putFloat(it.key, value)
+                    is String -> edit.putString(it.key, value)
+                    else -> Unit
+                }
+            }
+            edit.commit()
+        }
+    }
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/help/storage/Preferences.kt b/app/src/main/java/io/legado/app/help/storage/Preferences.kt
new file mode 100644
index 000000000..11907e83f
--- /dev/null
+++ b/app/src/main/java/io/legado/app/help/storage/Preferences.kt
@@ -0,0 +1,48 @@
+package io.legado.app.help.storage
+
+import android.app.Activity
+import android.content.Context
+import android.content.ContextWrapper
+import android.content.SharedPreferences
+import java.io.File
+
+object Preferences {
+
+    /**
+     * 用反射生成 SharedPreferences
+     * @param context
+     * @param dir
+     * @param fileName 文件名,不需要 '.xml' 后缀
+     * @return
+     */
+    fun getSharedPreferences(
+        context: Context,
+        dir: String,
+        fileName: String
+    ): SharedPreferences? {
+        try {
+            // 获取 ContextWrapper对象中的mBase变量。该变量保存了 ContextImpl 对象
+            val fieldMBase = ContextWrapper::class.java.getDeclaredField("mBase")
+            fieldMBase.isAccessible = true
+            // 获取 mBase变量
+            val objMBase = fieldMBase.get(context)
+            // 获取 ContextImpl。mPreferencesDir变量，该变量保存了数据文件的保存路径
+            val fieldMPreferencesDir = objMBase.javaClass.getDeclaredField("mPreferencesDir")
+            fieldMPreferencesDir.isAccessible = true
+            // 创建自定义路径
+            // String FILE_PATH = Environment.getExternalStorageDirectory().getAbsolutePath()+"/Android";
+            val file = File(dir)
+            // 修改mPreferencesDir变量的值
+            fieldMPreferencesDir.set(objMBase, file)
+            // 返回修改路径以后的 SharedPreferences :%FILE_PATH%/%fileName%.xml
+            return context.getSharedPreferences(fileName, Activity.MODE_PRIVATE)
+        } catch (e: NoSuchFieldException) {
+            e.printStackTrace()
+        } catch (e: IllegalArgumentException) {
+            e.printStackTrace()
+        } catch (e: IllegalAccessException) {
+            e.printStackTrace()
+        }
+        return null
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/help/storage/Restore.kt b/app/src/main/java/io/legado/app/help/storage/Restore.kt
index 94b24cb00..52ead5de6 100644
--- a/app/src/main/java/io/legado/app/help/storage/Restore.kt
+++ b/app/src/main/java/io/legado/app/help/storage/Restore.kt
@@ -14,6 +14,7 @@ import io.legado.app.data.entities.RssSource
 import io.legado.app.help.FileHelp
 import io.legado.app.help.storage.Backup.defaultPath
 import io.legado.app.utils.*
+import org.jetbrains.anko.defaultSharedPreferences
 import org.jetbrains.anko.doAsync
 import org.jetbrains.anko.toast
 import org.jetbrains.anko.uiThread
@@ -64,6 +65,18 @@ object Restore {
             } catch (e: Exception) {
                 e.printStackTrace()
             }
+            Preferences.getSharedPreferences(App.INSTANCE, path, "config")?.all?.map {
+                val edit = App.INSTANCE.defaultSharedPreferences.edit()
+                when (val value = it.value) {
+                    is Int -> edit.putInt(it.key, value)
+                    is Boolean -> edit.putBoolean(it.key, value)
+                    is Long -> edit.putLong(it.key, value)
+                    is Float -> edit.putFloat(it.key, value)
+                    is String -> edit.putString(it.key, value)
+                    else -> Unit
+                }
+                edit.commit()
+            }
             uiThread { App.INSTANCE.toast("恢复完成") }
         }
     }
@@ -91,7 +104,8 @@ object Restore {
                     book.origin = jsonItem.readString("$.tag") ?: ""
                     book.originName = jsonItem.readString("$.bookInfoBean.origin") ?: ""
                     book.author = jsonItem.readString("$.bookInfoBean.author") ?: ""
-                    book.type = if (jsonItem.readString("$.bookInfoBean.bookSourceType") == "AUDIO") 1 else 0
+                    book.type =
+                        if (jsonItem.readString("$.bookInfoBean.bookSourceType") == "AUDIO") 1 else 0
                     book.tocUrl = jsonItem.readString("$.bookInfoBean.chapterUrl") ?: book.bookUrl
                     book.coverUrl = jsonItem.readString("$.bookInfoBean.coverUrl")
                     book.customCoverUrl = jsonItem.readString("$.customCoverPath")