update inference config

README.md

@@ -35,6 +35,6 @@ pipe.transformer = pipe.transformer.merge_and_unload()
 pipe = pipe.to(device)
 
 prompt = 'a weathered cave explorers journal page, with the phrase "lost city near" prominently written in faded ink, surrounded by sketches of ancient ruins and cryptic symbols, under a dim, mystical light.'
-image = pipe(prompt, height=512, width=512, num_inference_steps=40,guidance_scale=4.5).images[0]  
+image = pipe(prompt, height=512, width=512, num_inference_steps=40,guidance_scale=4.5,negative_prompt="").images[0]  
 image.save(f"flow_grpo_text.png")
 ```