diff --git a/src/blackbox/melotts.py b/src/blackbox/melotts.py
index 1dd9372..76a07e1 100644
--- a/src/blackbox/melotts.py
+++ b/src/blackbox/melotts.py
@@ -26,12 +26,15 @@ class MeloTTS(Blackbox):
         text = args[0]
         return isinstance(text, str)
 
-    def processing(self, *args, **kwargs) -> io.BytesIO:
+    def processing(self, *args, **kwargs) -> bytes:
         text = args[0]
         current_time = time.time()
-        audio = self.tts_service.read(text)
+        message = {
+            "text": text
+        }
+        response = requests.post(self.melotts, json=message)
         print("#### MeloTTS Service consume : ", (time.time()-current_time))
-        return audio
+        return response.content
 
     async def fast_api_handler(self, request: Request) -> Response:
         try:
@@ -41,7 +44,6 @@ class MeloTTS(Blackbox):
         text = data.get("text")
         if text is None:
             return JSONResponse(content={"error": "text is required"}, status_code=status.HTTP_400_BAD_REQUEST)
-        by = self.processing(text)
-        return Response(content=by.read(), media_type="audio/mp3", headers={"Content-Disposition": "attachment; filename=audio.mp3"})
+        return Response(content=self.processing(text), media_type="audio/wav", headers={"Content-Disposition": "attachment; filename=audio.wav"})