diff --git a/app/src/main/assets/httpTTS.json b/app/src/main/assets/defaultData/httpTTS.json
similarity index 100%
rename from app/src/main/assets/httpTTS.json
rename to app/src/main/assets/defaultData/httpTTS.json
diff --git a/app/src/main/assets/readConfig.json b/app/src/main/assets/defaultData/readConfig.json
similarity index 100%
rename from app/src/main/assets/readConfig.json
rename to app/src/main/assets/defaultData/readConfig.json
diff --git a/app/src/main/assets/themeConfig.json b/app/src/main/assets/defaultData/themeConfig.json
similarity index 100%
rename from app/src/main/assets/themeConfig.json
rename to app/src/main/assets/defaultData/themeConfig.json
diff --git a/app/src/main/assets/txtTocRule.json b/app/src/main/assets/defaultData/txtTocRule.json
similarity index 100%
rename from app/src/main/assets/txtTocRule.json
rename to app/src/main/assets/defaultData/txtTocRule.json
diff --git a/app/src/main/java/io/legado/app/help/DefaultData.kt b/app/src/main/java/io/legado/app/help/DefaultData.kt
new file mode 100644
index 000000000..d1c016b90
--- /dev/null
+++ b/app/src/main/java/io/legado/app/help/DefaultData.kt
@@ -0,0 +1,47 @@
+package io.legado.app.help
+
+import io.legado.app.App
+import io.legado.app.data.entities.HttpTTS
+import io.legado.app.data.entities.TxtTocRule
+import io.legado.app.utils.GSON
+import io.legado.app.utils.fromJsonArray
+import java.io.File
+
+object DefaultData {
+
+    const val httpTtsFileName = "httpTTS.json"
+    const val txtTocRuleFileName = "txtTocRule.json"
+
+    val defaultHttpTTS by lazy {
+        val json =
+            String(
+                App.INSTANCE.assets.open("defaultData${File.separator}$httpTtsFileName")
+                    .readBytes()
+            )
+        GSON.fromJsonArray<HttpTTS>(json)!!
+    }
+
+    val defaultReadConfigs by lazy {
+        val json = String(
+            App.INSTANCE.assets.open("defaultData${File.separator}${ReadBookConfig.configFileName}")
+                .readBytes()
+        )
+        GSON.fromJsonArray<ReadBookConfig.Config>(json)!!
+    }
+
+    val defaultTxtTocRules by lazy {
+        val json = String(
+            App.INSTANCE.assets.open("defaultData${File.separator}$txtTocRuleFileName")
+                .readBytes()
+        )
+        GSON.fromJsonArray<TxtTocRule>(json)!!
+    }
+
+    val defaultThemeConfigs by lazy {
+        val json = String(
+            App.INSTANCE.assets.open("defaultData${File.separator}${ThemeConfig.configFileName}")
+                .readBytes()
+        )
+        GSON.fromJsonArray<ThemeConfig.Config>(json)!!
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/help/DefaultValueHelp.kt b/app/src/main/java/io/legado/app/help/DefaultValueHelp.kt
deleted file mode 100644
index 49338e960..000000000
--- a/app/src/main/java/io/legado/app/help/DefaultValueHelp.kt
+++ /dev/null
@@ -1,19 +0,0 @@
-package io.legado.app.help
-
-import io.legado.app.App
-import io.legado.app.data.entities.HttpTTS
-import io.legado.app.utils.GSON
-import io.legado.app.utils.fromJsonArray
-
-object DefaultValueHelp {
-
-
-    fun initHttpTTS() {
-        val json = String(App.INSTANCE.assets.open("httpTTS.json").readBytes())
-        GSON.fromJsonArray<HttpTTS>(json)?.let {
-            App.db.httpTTSDao().insert(*it.toTypedArray())
-        }
-    }
-
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
index 94eb04ee5..9ad5a9250 100644
--- a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
+++ b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
@@ -26,10 +26,6 @@ object ReadBookConfig {
     val shareConfigFilePath = FileUtils.getPath(App.INSTANCE.filesDir, shareConfigFileName)
     val configList: ArrayList<Config> = arrayListOf()
     lateinit var shareConfig: Config
-    private val defaultConfigs by lazy {
-        val json = String(App.INSTANCE.assets.open(configFileName).readBytes())
-        GSON.fromJsonArray<Config>(json)!!
-    }
     var durConfig
         get() = getConfig(styleSelect)
         set(value) {
@@ -68,7 +64,7 @@ object ReadBookConfig {
                 e.printStackTrace()
             }
         }
-        (configs ?: defaultConfigs).let {
+        (configs ?: DefaultData.defaultReadConfigs).let {
             configList.clear()
             configList.addAll(it)
         }
@@ -131,7 +127,7 @@ object ReadBookConfig {
     }
 
     private fun resetAll() {
-        defaultConfigs.let {
+        DefaultData.defaultReadConfigs.let {
             configList.clear()
             configList.addAll(it)
             save()
diff --git a/app/src/main/java/io/legado/app/help/ThemeConfig.kt b/app/src/main/java/io/legado/app/help/ThemeConfig.kt
index 5061d129f..44948e17c 100644
--- a/app/src/main/java/io/legado/app/help/ThemeConfig.kt
+++ b/app/src/main/java/io/legado/app/help/ThemeConfig.kt
@@ -13,10 +13,7 @@ import java.io.File
 object ThemeConfig {
     const val configFileName = "themeConfig.json"
     val configFilePath = FileUtils.getPath(App.INSTANCE.filesDir, configFileName)
-    private val defaultConfigs by lazy {
-        val json = String(App.INSTANCE.assets.open(configFileName).readBytes())
-        GSON.fromJsonArray<Config>(json)!!
-    }
+
     val configList = arrayListOf<Config>()
 
     init {
@@ -24,7 +21,7 @@ object ThemeConfig {
     }
 
     fun upConfig() {
-        (getConfigs() ?: defaultConfigs).let {
+        (getConfigs() ?: DefaultData.defaultThemeConfigs).let {
             configList.clear()
             configList.addAll(it)
         }
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 6e6cb6791..d0ecac945 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
@@ -5,6 +5,7 @@ import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
 import io.legado.app.App
 import io.legado.app.constant.PreferKey
+import io.legado.app.help.DefaultData
 import io.legado.app.help.ReadBookConfig
 import io.legado.app.help.ThemeConfig
 import io.legado.app.help.coroutine.Coroutine
@@ -31,9 +32,9 @@ object Backup {
             "rssSource.json",
             "rssStar.json",
             "replaceRule.json",
-            "txtTocRule.json",
             "readRecord.json",
-            "httpTTS.json",
+            DefaultData.txtTocRuleFileName,
+            DefaultData.httpTtsFileName,
             ReadBookConfig.configFileName,
             ReadBookConfig.shareConfigFileName,
             ThemeConfig.configFileName,
@@ -62,9 +63,9 @@ object Backup {
                 writeListToJson(App.db.rssSourceDao().all, "rssSource.json", backupPath)
                 writeListToJson(App.db.rssStarDao().all, "rssStar.json", backupPath)
                 writeListToJson(App.db.replaceRuleDao().all, "replaceRule.json", backupPath)
-                writeListToJson(App.db.txtTocRule().all, "txtTocRule.json", backupPath)
                 writeListToJson(App.db.readRecordDao().all, "readRecord.json", backupPath)
-                writeListToJson(App.db.httpTTSDao().all, "httpTTS.json", backupPath)
+                writeListToJson(App.db.txtTocRule().all, DefaultData.txtTocRuleFileName, backupPath)
+                writeListToJson(App.db.httpTTSDao().all, DefaultData.httpTtsFileName, backupPath)
                 GSON.toJson(ReadBookConfig.configList).let {
                     FileUtils.createFileIfNotExist(backupPath + File.separator + ReadBookConfig.configFileName)
                         .writeText(it)
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 174367557..1c837c9b5 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
@@ -13,10 +13,7 @@ import io.legado.app.R
 import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.*
-import io.legado.app.help.AppConfig
-import io.legado.app.help.LauncherIconHelp
-import io.legado.app.help.ReadBookConfig
-import io.legado.app.help.ThemeConfig
+import io.legado.app.help.*
 import io.legado.app.service.help.ReadBook
 import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import io.legado.app.utils.*
@@ -132,9 +129,12 @@ object Restore {
             fileToListT<ReplaceRule>(path, "replaceRule.json")?.let {
                 App.db.replaceRuleDao().insert(*it.toTypedArray())
             }
-            fileToListT<TxtTocRule>(path, "txtTocRule.json")?.let {
+            fileToListT<TxtTocRule>(path, DefaultData.txtTocRuleFileName)?.let {
                 App.db.txtTocRule().insert(*it.toTypedArray())
             }
+            fileToListT<HttpTTS>(path, DefaultData.httpTtsFileName)?.let {
+                App.db.httpTTSDao().insert(*it.toTypedArray())
+            }
             fileToListT<ReadRecord>(path, "readRecord.json")?.let {
                 it.forEach { readRecord ->
                     //判断是不是本机记录
@@ -149,9 +149,6 @@ object Restore {
                     }
                 }
             }
-            fileToListT<HttpTTS>(path, "httpTTS.json")?.let {
-                App.db.httpTTSDao().insert(*it.toTypedArray())
-            }
         }
     }
 
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 6dfa74594..77689d8a5 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
@@ -5,6 +5,7 @@ import io.legado.app.App
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.data.entities.TxtTocRule
+import io.legado.app.help.DefaultData
 import io.legado.app.utils.*
 import java.io.File
 import java.io.RandomAccessFile
@@ -281,24 +282,17 @@ class AnalyzeTxtFile {
         }
 
         private fun getTocRules(): List<TxtTocRule> {
-            val rules = App.db.txtTocRule().enabled
+            var rules = App.db.txtTocRule().enabled
             if (rules.isEmpty()) {
-                return getDefaultEnabledRules()
+                rules = DefaultData.defaultTxtTocRules.apply {
+                    App.db.txtTocRule().insert(*this.toTypedArray())
+                }.filter {
+                    it.enable
+                }
             }
             return rules
         }
 
-        fun getDefaultEnabledRules(): List<TxtTocRule> {
-            App.INSTANCE.assets.open("txtTocRule.json").readBytes().let { byteArray ->
-                GSON.fromJsonArray<TxtTocRule>(String(byteArray))?.let { txtTocRules ->
-                    App.db.txtTocRule().insert(*txtTocRules.toTypedArray())
-                    return txtTocRules.filter {
-                        it.enable
-                    }
-                }
-            }
-            return emptyList()
-        }
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineDialog.kt
index 6ee1d5bda..fe1d5be76 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineDialog.kt
@@ -24,6 +24,7 @@ import io.legado.app.lib.dialogs.customView
 import io.legado.app.lib.dialogs.okButton
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.service.help.ReadAloud
+import io.legado.app.ui.widget.dialog.TextDialog
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.dialog_http_tts_edit.view.*
 import kotlinx.android.synthetic.main.dialog_recycler_view.*
@@ -126,6 +127,9 @@ class SpeakEngineDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
                     ReadAloud.upReadAloudClass()
                 }
             }
+            neutralButton(R.string.help) {
+                TextDialog.show(childFragmentManager, "")
+            }
         }.show().applyTint()
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineViewModel.kt b/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineViewModel.kt
index 490eb6efd..bc30c346b 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/SpeakEngineViewModel.kt
@@ -3,8 +3,8 @@ package io.legado.app.ui.book.read.config
 import android.app.Application
 import io.legado.app.App
 import io.legado.app.base.BaseViewModel
-import io.legado.app.data.entities.TxtTocRule
-import io.legado.app.help.DefaultValueHelp
+import io.legado.app.data.entities.HttpTTS
+import io.legado.app.help.DefaultData
 import io.legado.app.help.http.HttpHelper
 import io.legado.app.utils.GSON
 import io.legado.app.utils.fromJsonArray
@@ -13,15 +13,17 @@ class SpeakEngineViewModel(application: Application) : BaseViewModel(application
 
     fun importDefault() {
         execute {
-            DefaultValueHelp.initHttpTTS()
+            DefaultData.defaultHttpTTS.let {
+                App.db.httpTTSDao().insert(*it.toTypedArray())
+            }
         }
     }
 
     fun importOnLine(url: String, finally: (msg: String) -> Unit) {
         execute {
             HttpHelper.simpleGetAsync(url)?.let { json ->
-                GSON.fromJsonArray<TxtTocRule>(json)?.let {
-                    App.db.txtTocRule().insert(*it.toTypedArray())
+                GSON.fromJsonArray<HttpTTS>(json)?.let {
+                    App.db.httpTTSDao().insert(*it.toTypedArray())
                 }
             }
         }.onSuccess {
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexViewModel.kt b/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexViewModel.kt
index 140a781e4..cebc521b8 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexViewModel.kt
@@ -4,8 +4,8 @@ import android.app.Application
 import io.legado.app.App
 import io.legado.app.base.BaseViewModel
 import io.legado.app.data.entities.TxtTocRule
+import io.legado.app.help.DefaultData
 import io.legado.app.help.http.HttpHelper
-import io.legado.app.model.localBook.AnalyzeTxtFile
 import io.legado.app.utils.GSON
 import io.legado.app.utils.fromJsonArray
 
@@ -23,7 +23,9 @@ class TocRegexViewModel(application: Application) : BaseViewModel(application) {
     fun importDefault() {
         execute {
             App.db.txtTocRule().deleteDefault()
-            AnalyzeTxtFile.getDefaultEnabledRules()
+            DefaultData.defaultTxtTocRules.let {
+                App.db.txtTocRule().insert(*it.toTypedArray())
+            }
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt b/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt
index 8f45c4a9c..904df39e4 100644
--- a/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/main/MainViewModel.kt
@@ -9,7 +9,7 @@ import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.RssSource
 import io.legado.app.help.AppConfig
 import io.legado.app.help.BookHelp
-import io.legado.app.help.DefaultValueHelp
+import io.legado.app.help.DefaultData
 import io.legado.app.help.http.HttpHelper
 import io.legado.app.help.storage.Restore
 import io.legado.app.model.webBook.WebBook
@@ -162,7 +162,9 @@ class MainViewModel(application: Application) : BaseViewModel(application) {
         execute {
             FileUtils.deleteFile(FileUtils.getPath(context.cacheDir, "Fonts"))
             if (App.db.httpTTSDao().count == 0) {
-                DefaultValueHelp.initHttpTTS()
+                DefaultData.defaultHttpTTS.let {
+                    App.db.httpTTSDao().insert(*it.toTypedArray())
+                }
             }
         }
     }