fix:首次朗读后，其他书的tts引擎依然是首次朗读的引擎

app/src/main/java/io/legado/app/model/ReadBook.kt

@@ -215,6 +215,7 @@ object ReadBook : CoroutineScope by MainScope() {
      */
     fun readAloud(play: Boolean = true) {
         book?.let {
+            ReadAloud.upReadAloudClass()
             ReadAloud.play(appCtx, play)
         }
     }

app/src/main/java/io/legado/app/ui/book/read/config/HttpTtsEditViewModel.kt

@@ -37,7 +37,6 @@ class HttpTtsEditViewModel(app: Application) : BaseViewModel(app) {
         id = httpTTS.id
         execute {
             appDb.httpTTSDao.insert(httpTTS)
-            ReadAloud.upReadAloudClass()
         }.onSuccess {
             success?.invoke()
         }

app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt

@@ -112,7 +112,6 @@ class ReadAloudConfigDialog : DialogFragment() {
                 }
                 PreferKey.ttsEngine -> {
                     upPreferenceSummary(findPreference(key), speakEngineSummary)
-                    ReadAloud.upReadAloudClass()
                 }
             }
         }