update head of readme

tts/gradio_api.py

@@ -20,7 +20,9 @@ import gradio as gr
 import traceback
 from tts.infer_cli import MegaTTS3DiTInfer, convert_to_wav, cut_wav
 
+import spaces
 
+@spaces.GPU
 def model_worker(input_queue, output_queue, device_id):
     device = None
     if device_id is not None:
@@ -90,7 +92,8 @@ if __name__ == '__main__':
                                 title="MegaTTS3",  
                                 description="Upload a speech clip as a reference for timbre, " +
                                 "upload the pre-extracted latent file, "+
-                                "input the target text, and receive the cloned voice.", concurrency_limit=1)
-    api_interface.launch(server_name='0.0.0.0', debug=True)
+                                "input the target text, and receive the cloned voice. "+
+                                "Tip: a generation process should be within 60s (check if your input text are too long).", concurrency_limit=1)
+    api_interface.launch(server_name='0.0.0.0', server_port=7860, debug=True)
     for p in processes:
         p.join()