diff --git a/app/src/main/java/io/legado/app/constant/PreferKey.kt b/app/src/main/java/io/legado/app/constant/PreferKey.kt
index 1cb5e2edc..3c6046bde 100644
--- a/app/src/main/java/io/legado/app/constant/PreferKey.kt
+++ b/app/src/main/java/io/legado/app/constant/PreferKey.kt
@@ -1,7 +1,7 @@
 package io.legado.app.constant
 
 object PreferKey {
-
+    const val themeMode = "themeMode"
     const val downloadPath = "downloadPath"
     const val hideStatusBar = "hideStatusBar"
     const val clickAllNext = "clickAllNext"
@@ -21,5 +21,5 @@ object PreferKey {
     const val backupPath = "backupUri"
     const val threadCount = "threadCount"
     const val keepLight = "keep_light"
-    const val autoDarkMode = "autoDarkMode"
+    const val webService = "webService"
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/help/AppConfig.kt b/app/src/main/java/io/legado/app/help/AppConfig.kt
index f8eb4f62e..31107ad5f 100644
--- a/app/src/main/java/io/legado/app/help/AppConfig.kt
+++ b/app/src/main/java/io/legado/app/help/AppConfig.kt
@@ -8,7 +8,7 @@ object AppConfig {
 
     var isNightTheme: Boolean
         get() {
-            return when (App.INSTANCE.getPrefString("themeMode", "0")) {
+            return when (App.INSTANCE.getPrefString(PreferKey.themeMode, "0")) {
                 "1" -> false
                 "2" -> true
                 else -> App.INSTANCE.sysIsDarkMode()
@@ -16,9 +16,9 @@ object AppConfig {
         }
         set(value) {
             if (value) {
-                App.INSTANCE.putPrefString("themeMode", "2")
+                App.INSTANCE.putPrefString(PreferKey.themeMode, "2")
             } else {
-                App.INSTANCE.putPrefString("themeMode", "1")
+                App.INSTANCE.putPrefString(PreferKey.themeMode, "1")
             }
         }
 
diff --git a/app/src/main/java/io/legado/app/model/localBook/AnalyzeTxtFile.kt b/app/src/main/java/io/legado/app/model/localBook/AnalyzeTxtFile.kt
index 148c5c8f6..96a44e1c5 100644
--- a/app/src/main/java/io/legado/app/model/localBook/AnalyzeTxtFile.kt
+++ b/app/src/main/java/io/legado/app/model/localBook/AnalyzeTxtFile.kt
@@ -8,6 +8,7 @@ import io.legado.app.utils.DocumentUtils
 import io.legado.app.utils.EncodingDetect
 import io.legado.app.utils.FileUtils
 import java.io.File
+import java.io.RandomAccessFile
 
 object AnalyzeTxtFile {
     private const val folderName = "bookTxt"
@@ -29,6 +30,9 @@ object AnalyzeTxtFile {
         }
         book.charset = EncodingDetect.getEncode(bookFile)
 
+        //获取文件流
+        val bookStream = RandomAccessFile(bookFile, "r")
+
     }
 
 }
\ No newline at end of file
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 e8b061144..7e95c1c34 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
@@ -174,13 +174,13 @@ class MyFragment : BaseFragment(R.layout.fragment_my_config) {
 
         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
             if (WebService.isRun) {
-                putPrefBoolean("webService", true)
+                putPrefBoolean(PreferKey.webService, true)
             } else {
-                putPrefBoolean("webService", false)
+                putPrefBoolean(PreferKey.webService, false)
             }
             addPreferencesFromResource(R.xml.pref_main)
             observeEvent<Boolean>(Bus.WEB_SERVICE_STOP) {
-                findPreference<SwitchPreference>("webService")?.let {
+                findPreference<SwitchPreference>(PreferKey.webService)?.let {
                     it.isChecked = false
                 }
             }
@@ -203,8 +203,8 @@ class MyFragment : BaseFragment(R.layout.fragment_my_config) {
 
         override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
             when (key) {
-                "themeMode" -> App.INSTANCE.applyDayNight()
-                "webService" -> {
+                PreferKey.themeMode -> App.INSTANCE.applyDayNight()
+                PreferKey.webService -> {
                     if (requireContext().getPrefBoolean("webService")) {
                         WebService.start(requireContext())
                         toast("正在启动服务\n具体信息查看通知栏")
@@ -213,8 +213,8 @@ class MyFragment : BaseFragment(R.layout.fragment_my_config) {
                         toast("服务已停止")
                     }
                 }
+                PreferKey.downloadPath -> BookHelp.upDownloadPath()
                 "recordLog" -> LogUtils.upLevel()
-                "downloadPath" -> BookHelp.upDownloadPath()
             }
         }