Update gradio-app.py

gradio-app.py

@@ -48,8 +48,8 @@ def predict(prompt1, prompt2, merge_ratio, guidance, steps, sharpness, seed=1231
         prompt2=prompt2,
         sv=merge_ratio,
         sharpness=sharpness,
-        width=1024,
-        height=1024,
+        width=640,
+        height=640,
         num_inference_steps=steps,
         guidance_scale=guidance,
         lcm_origin_steps=50,