美化UI界面：添加新布局和样式

app.py

@@ -58,10 +58,10 @@ with gr.Blocks(css=custom_css) as demo:
     
     with gr.Row():
         with gr.Column():
+            # 移除了 tool 参数
             input_image = gr.Image(
                 label="上传图片 (Upload Image)", 
-                type="numpy",
-                tool="select"
+                type="numpy"
             )
             with gr.Row():
                 clear_btn = gr.Button("清除 (Clear)", variant="secondary")