Update app.py

app.py

@@ -81,7 +81,7 @@ with gr.Blocks(css=css) as demo:
                 placeholder="输入你要的图片关键词",
                 container=False,
             )
-            run_button = gr.Button("生成", scale=0)
+            run_button = gr.Button("生成", scale=0, variant="primary")
         result = gr.Image(label="Result", show_label=False)
     with gr.Accordion("高级选项", open=False):
         with gr.Row():