diff --git a/app.py b/app.py
index 7c8e600..73fd057 100644
--- a/app.py
+++ b/app.py
@@ -40,7 +40,7 @@ with gr.Blocks() as demo:
     这是table-transformer-detection的Gradio Demo，用于目标检测。上传你想要的图像或者点击下面的示例来加载它.
     """)
     with gr.Row():
-        image_input = gr.Image()
+        image_input = gr.Image(type="gil")
         image_output = gr.Textbox()
     image_button = gr.Button("上传")
     image_button.click(inference, inputs=image_input, outputs=image_output)