Update app.py

app.py

@@ -52,7 +52,7 @@ with gr.Blocks() as demo:
       voice = gr.Dropdown(choices=['alloy', 'echo', 'fable', 'onyx', 'nova', 'shimmer'], label='Voice Options', value='nova')
       url = gr.Textbox(label="URL", placeholder="Enter your URL and then click on the 'Text-To-Speech' button, or simply press the Enter key.", value='https://openkey.cloud/v1/audio/speech')
       #新增一个speed，数字滑块从0.25值4，默认是1
-      speed = gr.Slider(label="Speed", minimum=0.25, maximum=4, step=0.25, default=1)   
+      speed = gr.Slider(label="Speed", minimum=0.25, maximum=4, step=0.25, value=1)   
 
     text = gr.Textbox(label="Input text", placeholder="Enter your text and then click on the 'Text-To-Speech' button, or simply press the Enter key.")
     btn = gr.Button("Text-To-Speech")