Update app.py

app.py

@@ -56,6 +56,13 @@ def tts_inference(
     )
     return result_file
 
+gr.Markdown(
+    """
+    # Amphion Text to Speech (TTS)
+    [![Open in OpenXLab](https://cdn-static.openxlab.org.cn/app-center/openxlab_app.svg)](https://openxlab.org.cn/usercenter/Amphion)        
+    This demo provides an Amphion TTS pretrained model (VITS) for you to play.
+    """
+)
 
 demo_inputs = [
     gr.Textbox(