try

app.py

@@ -60,7 +60,8 @@ css = ".output-image, .input-image, .image-preview {height: 300px !important}"
 demo_mask = gr.Interface(fn=inference_mask1, 
                    inputs=[gr.ImageMask(label="prompt (提示图)"), gr.Image(label="img1 (测试图1)"), gr.Image(label="img2 (测试图2)")], 
                     #outputs=[gr.Image(shape=(448, 448), label="output1 (输出图1)"), gr.Image(shape=(448, 448), label="output2 (输出图2)")],
-                    outputs=[gr.Image(label="output1 (输出图1)").style(height=400, width=400), gr.Image(label="output2 (输出图2)").style(height=400, width=400)],
+                    #outputs=[gr.Image(label="output1 (输出图1)").style(height=400, width=400), gr.Image(label="output2 (输出图2)").style(height=400, width=400)],
+                    outputs=[gr.Image(label="output1 (输出图1)"), gr.Image(label="output2 (输出图2)")],
                     #outputs=gr.Gallery(label="outputs (输出图)"),
                     examples=examples,
                     #title="SegGPT for Any Segmentation<br>(Painter Inside)",