Update app.py

app.py

@@ -90,7 +90,7 @@ with gr.Blocks(css=css) as demo:
                 container=False,
             )
             run_button = gr.Button("生成", scale=0, variant="primary")
-        result = gr.Image(label="Result", show_label=False,encode_format="png")
+        result = gr.Image(label="Result", show_label=False, format="png")
     with gr.Accordion("高级选项", open=False):
         with gr.Row():
             use_negative_prompt = gr.Checkbox(label="使用反向词条", value=True)