Update app.py

app.py

@@ -458,7 +458,7 @@ def main():
                     num_sampling_steps = gr.Slider(
                         minimum=1,
                         maximum=70,
-                        value=18,
+                        value=40,
                         step=1,
                         interactive=True,
                         label="Sampling steps",
@@ -481,7 +481,7 @@ def main():
                     )
                 with gr.Row():
                     solver = gr.Dropdown(
-                        value="midpoint",
+                        value="euler",
                         choices=["euler", "midpoint", "rk4"],
                         label="solver",
                     )