diff --git a/tts/tts-pad/src/main/java/com/mogo/tts/pad/PadTTS.java b/tts/tts-pad/src/main/java/com/mogo/tts/pad/PadTTS.java
index 57bf744cfd..6b182d290b 100644
--- a/tts/tts-pad/src/main/java/com/mogo/tts/pad/PadTTS.java
+++ b/tts/tts-pad/src/main/java/com/mogo/tts/pad/PadTTS.java
@@ -401,7 +401,13 @@ public class PadTTS implements IMogoTTS, VoiceClient.VoiceCmdCallBack {
         List<LangTtsEntity> ttsEntityList = new ArrayList<>();
         ttsEntityList.add(new LangTtsEntity(tts, LanguageType.CHINESE));
         MultiLangTtsEntity ttsEntity = new MultiLangTtsEntity(ttsEntityList);
-        speakMultiLangTTSWithLevel(ttsEntity, level);
+        if (Thread.currentThread() != Looper.getMainLooper().getThread()) {
+            UiThreadHandler.post(() -> {
+                speakMultiLangTTSWithLevel(ttsEntity, level);
+            }, QUEUE);
+        } else {
+            speakMultiLangTTSWithLevel(ttsEntity, level);
+        }
     }
 
     private void speakMultiLangTTSWithLevel(MultiLangTtsEntity ttsEntity,int ttsLevel) {