Update app.py

app.py

@@ -103,7 +103,7 @@ def synthesize_tts(
 # 创建Gradio界面
 inputs = [
     gr.Textbox(value="Hello, World!", label="Text to Synthesize"),
-    gr.File(file_types=["audio"], label="Speaker WAV files (optional)", optional=True, multiple=True),
+    gr.File(file_types=["audio"], label="Speaker WAV files (optional)", file_count="multiple"),
     gr.Textbox(value="Ana Florence", label="Speaker Index"),
     gr.Textbox(value="ja", label="Language"),
     gr.Slider(0, 1, value=0.65, step=0.01, label="Temperature"),