Update app.py

app.py

@@ -71,7 +71,13 @@ def app():
             with gr.Row():
                 mask_threshold = gr.Slider(0, 255, value=128, step=1, label="遮罩閾值")
             inpaint_button = gr.Button("執行圖像修復")
-            inpaint_button.click(inpaint_image, inputs=[input_image, mask_threshold], outputs=inpaint_result)
+            inpaint_button.click(
+                fn=inpaint_image, 
+                inputs=[input_image, mask_threshold], 
+                outputs=inpaint_result,
+                show_error=True  # 這會將錯誤訊息顯示在 UI 上
+            )
+
     
     return demo