update cluster UI

app.py

@@ -1832,7 +1832,7 @@ with demo:
                 
             with gr.Column(scale=5, min_width=200):
                 output_gallery = make_output_images_section()
-                cluster_gallery = gr.Gallery(value=[], label="Clusters", show_label=True, elem_id="clusters", columns=[5], rows=[2], object_fit="contain", height="auto", show_share_button=True, preview=False, interactive=False)
+                cluster_gallery = gr.Gallery(value=[], label="Clusters", show_label=True, elem_id="clusters", columns=[2], rows=[2], object_fit="contain", height="auto", show_share_button=True, preview=False, interactive=False)
                 [
                     model_dropdown, layer_slider, node_type_dropdown, num_eig_slider, 
                     affinity_focal_gamma_slider, num_sample_ncut_slider, ncut_knn_slider, ncut_indirect_connection, ncut_make_orthogonal,