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 6a1e5f876..3f3bc30fd 100644
--- a/app/src/main/java/io/legado/app/constant/PreferKey.kt
+++ b/app/src/main/java/io/legado/app/constant/PreferKey.kt
@@ -19,9 +19,8 @@ object PreferKey {
     const val clickActionBR = "clickActionBottomRight"
     const val hideNavigationBar = "hideNavigationBar"
     const val precisionSearch = "precisionSearch"
-    const val speakEngine = "speakEngine"
     const val readAloudByPage = "readAloudByPage"
-    const val ttsEngine = "ttsEngine"
+    const val ttsEngine = "appTtsEngine"
     const val ttsSpeechRate = "ttsSpeechRate"
     const val prevKeys = "prevKeyCodes"
     const val nextKeys = "nextKeyCodes"
diff --git a/app/src/main/java/io/legado/app/data/dao/HttpTTSDao.kt b/app/src/main/java/io/legado/app/data/dao/HttpTTSDao.kt
index 70ff64717..b75fd290a 100644
--- a/app/src/main/java/io/legado/app/data/dao/HttpTTSDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/HttpTTSDao.kt
@@ -19,6 +19,9 @@ interface HttpTTSDao {
     @Query("select * from httpTTS where id = :id")
     fun get(id: Long): HttpTTS?
 
+    @Query("select name from httpTTS where id = :id")
+    fun getName(id: Long): String?
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(vararg httpTTS: HttpTTS)
 
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 b41980f86..1e1708c36 100644
--- a/app/src/main/java/io/legado/app/help/AppConfig.kt
+++ b/app/src/main/java/io/legado/app/help/AppConfig.kt
@@ -222,6 +222,12 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
             appCtx.putPrefBoolean(PreferKey.changeSourceCheckAuthor, value)
         }
 
+    var ttsEngine: String?
+        get() = appCtx.getPrefString(PreferKey.ttsEngine)
+        set(value) {
+            appCtx.putPrefString(PreferKey.ttsEngine, value)
+        }
+
     val autoChangeSource: Boolean
         get() = appCtx.getPrefBoolean(PreferKey.autoChangeSource, true)
 
diff --git a/app/src/main/java/io/legado/app/model/ReadAloud.kt b/app/src/main/java/io/legado/app/model/ReadAloud.kt
index a4dafbe4f..65f5ee6eb 100644
--- a/app/src/main/java/io/legado/app/model/ReadAloud.kt
+++ b/app/src/main/java/io/legado/app/model/ReadAloud.kt
@@ -3,13 +3,13 @@ package io.legado.app.model
 import android.content.Context
 import android.content.Intent
 import io.legado.app.constant.IntentAction
-import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.HttpTTS
+import io.legado.app.help.AppConfig
 import io.legado.app.service.BaseReadAloudService
 import io.legado.app.service.HttpReadAloudService
 import io.legado.app.service.TTSReadAloudService
-import io.legado.app.utils.getPrefLong
+import io.legado.app.utils.StringUtils
 import splitties.init.appCtx
 
 object ReadAloud {
@@ -17,13 +17,17 @@ object ReadAloud {
     var httpTTS: HttpTTS? = null
 
     private fun getReadAloudClass(): Class<*> {
-        val spId = appCtx.getPrefLong(PreferKey.speakEngine)
-        httpTTS = appDb.httpTTSDao.get(spId)
-        return if (httpTTS != null) {
-            HttpReadAloudService::class.java
-        } else {
-            TTSReadAloudService::class.java
+        val ttsEngine = AppConfig.ttsEngine
+        if (ttsEngine.isNullOrBlank()) {
+            return TTSReadAloudService::class.java
         }
+        if (StringUtils.isNumeric(ttsEngine)) {
+            httpTTS = appDb.httpTTSDao.get(ttsEngine.toLong())
+            if (httpTTS != null) {
+                return HttpReadAloudService::class.java
+            }
+        }
+        return TTSReadAloudService::class.java
     }
 
     fun upReadAloudClass() {
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
index 8c1d0b371..db7a661b7 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
@@ -14,14 +14,13 @@ import io.legado.app.base.BasePreferenceFragment
 import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
+import io.legado.app.help.AppConfig
+import io.legado.app.lib.dialogs.SelectItem
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.backgroundColor
 import io.legado.app.model.ReadAloud
 import io.legado.app.service.BaseReadAloudService
-import io.legado.app.utils.getPrefLong
-import io.legado.app.utils.postEvent
-import io.legado.app.utils.windowSize
-import splitties.init.appCtx
+import io.legado.app.utils.*
 
 class ReadAloudConfigDialog : DialogFragment() {
     private val readAloudPreferTag = "readAloudPreferTag"
@@ -61,15 +60,20 @@ class ReadAloudConfigDialog : DialogFragment() {
 
         private val speakEngineSummary: String
             get() {
-                val eid = appCtx.getPrefLong(PreferKey.speakEngine)
-                val ht = appDb.httpTTSDao.get(eid)
-                return ht?.name ?: getString(R.string.system_tts)
+                val ttsEngine = AppConfig.ttsEngine
+                    ?: return getString(R.string.system_tts)
+                if (StringUtils.isNumeric(ttsEngine)) {
+                    return appDb.httpTTSDao.getName(ttsEngine.toLong())
+                        ?: getString(R.string.system_tts)
+                }
+                return GSON.fromJsonObject<SelectItem<String>>(ttsEngine)?.title
+                    ?: getString(R.string.system_tts)
             }
 
         override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
             addPreferencesFromResource(R.xml.pref_config_aloud)
             upPreferenceSummary(
-                findPreference(PreferKey.speakEngine),
+                findPreference(PreferKey.ttsEngine),
                 speakEngineSummary
             )
         }
@@ -91,8 +95,7 @@ class ReadAloudConfigDialog : DialogFragment() {
 
         override fun onPreferenceTreeClick(preference: Preference?): Boolean {
             when (preference?.key) {
-                PreferKey.speakEngine ->
-                    SpeakEngineDialog().show(childFragmentManager, "speakEngine")
+                PreferKey.ttsEngine -> childFragmentManager.showDialog(SpeakEngineDialog())
             }
             return super.onPreferenceTreeClick(preference)
         }
@@ -107,7 +110,7 @@ class ReadAloudConfigDialog : DialogFragment() {
                         postEvent(EventBus.MEDIA_BUTTON, false)
                     }
                 }
-                PreferKey.speakEngine -> {
+                PreferKey.ttsEngine -> {
                     upPreferenceSummary(findPreference(key), speakEngineSummary)
                     ReadAloud.upReadAloudClass()
                 }
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 2ed613f23..ebc44b1e0 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
@@ -14,13 +14,13 @@ import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.RecyclerAdapter
-import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.HttpTTS
 import io.legado.app.databinding.DialogEditTextBinding
 import io.legado.app.databinding.DialogHttpTtsEditBinding
 import io.legado.app.databinding.DialogRecyclerViewBinding
 import io.legado.app.databinding.ItemHttpTtsBinding
+import io.legado.app.help.AppConfig
 import io.legado.app.help.DirectLinkUpload
 import io.legado.app.lib.dialogs.SelectItem
 import io.legado.app.lib.dialogs.alert
@@ -34,7 +34,6 @@ import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
-import splitties.init.appCtx
 
 
 class SpeakEngineDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
@@ -43,7 +42,7 @@ class SpeakEngineDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
     private val viewModel: SpeakEngineViewModel by viewModels()
     private val ttsUrlKey = "ttsUrlKey"
     private val adapter by lazy { Adapter(requireContext()) }
-    private var engineId = appCtx.getPrefLong(PreferKey.speakEngine)
+    private var ttsEngine: String? = AppConfig.ttsEngine
     private val importDocResult = registerForActivityResult(HandleFileContract()) {
         it?.let {
             viewModel.importLocal(it)
@@ -101,7 +100,7 @@ class SpeakEngineDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
         }
         tvOk.visible()
         tvOk.setOnClickListener {
-            putPrefLong(PreferKey.speakEngine, engineId)
+            AppConfig.ttsEngine = ttsEngine
             dismissAllowingStateLoss()
         }
         tvCancel.visible()
@@ -150,8 +149,9 @@ class SpeakEngineDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
             SelectItem(it.label, it.name)
         }
         context?.selector(R.string.system_tts, ttsItems) { _, item, _ ->
-            item.value
-            removePref(PreferKey.speakEngine)
+            AppConfig.ttsEngine = GSON.toJson(item)
+            ttsEngine = null
+            adapter.notifyItemRangeChanged(0, adapter.itemCount)
             dismissAllowingStateLoss()
         }
     }
@@ -225,7 +225,7 @@ class SpeakEngineDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
         ) {
             binding.apply {
                 cbName.text = item.name
-                cbName.isChecked = item.id == engineId
+                cbName.isChecked = item.id.toString() == ttsEngine
             }
         }
 
@@ -233,7 +233,7 @@ class SpeakEngineDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
             binding.run {
                 cbName.setOnClickListener {
                     getItemByLayoutPosition(holder.layoutPosition)?.let { httpTTS ->
-                        engineId = httpTTS.id
+                        ttsEngine = httpTTS.id.toString()
                         notifyItemRangeChanged(getHeaderCount(), itemCount)
                     }
                 }