diff --git a/webui.py b/webui.py
index 6d5c3e2..2dfe081 100644
--- a/webui.py
+++ b/webui.py
@@ -78,10 +78,10 @@ if __name__ == "__main__":
                 text = gr.TextArea(label="Text", placeholder="Input Text Here",
                                       value="吃葡萄不吐葡萄皮，不吃葡萄倒吐葡萄皮。")
                 speaker = gr.Dropdown(choices=speakers, value=speakers[0], label='Speaker')
-                sdp_ratio = gr.Slider(minimum=0.1, maximum=2, value=0.2, step=0.1, label='SDP Ratio')
-                noise_scale = gr.Slider(minimum=0.1, maximum=2, value=0.5, step=0.1, label='Noise Scale')
-                noise_scale_w = gr.Slider(minimum=0.1, maximum=2, value=0.6, step=0.1, label='Noise Scale W')
-                length_scale = gr.Slider(minimum=0.1, maximum=2, value=1.2, step=0.1, label='Length Scale')
+                sdp_ratio = gr.Slider(minimum=0, maximum=1, value=0.2, step=0.1, label='SDP Ratio')
+                noise_scale = gr.Slider(minimum=0.1, maximum=2, value=0.6, step=0.1, label='Noise Scale')
+                noise_scale_w = gr.Slider(minimum=0.1, maximum=2, value=0.8, step=0.1, label='Noise Scale W')
+                length_scale = gr.Slider(minimum=0.1, maximum=2, value=1, step=0.1, label='Length Scale')
                 btn = gr.Button("Generate!", variant="primary")
             with gr.Column():
                 text_output = gr.Textbox(label="Message")