Update usage on Mac and GPUs do not support BF16

README.md

@@ -138,7 +138,7 @@ model = model.to(device='cuda', dtype=torch.bfloat16)
 #model = model.to(device='mps', dtype=torch.float16)
 
 tokenizer = AutoTokenizer.from_pretrained('openbmb/MiniCPM-V', trust_remote_code=True)
-model.eval().cuda()
+model.eval()
 
 image = Image.open('xx.jpg').convert('RGB')
 question = 'What is in the image?'
@@ -167,4 +167,4 @@ Please look at [GitHub](https://github.com/OpenBMB/OmniLMM) for more detail abou
 
 #### Statement
 * As a LLM, MiniCPM-V generates contents by learning a large mount of texts, but it cannot comprehend, express personal opinions or make value judgement. Anything generated by MiniCPM-V does not represent the views and positions of the model developers
-* We will not be liable for any problems arising from the use of the MinCPM-V open Source model, including but not limited to data security issues, risk of public opinion, or any risks and problems arising from the misdirection, misuse, dissemination or misuse of the model.
+* We will not be liable for any problems arising from the use of the MinCPM-V open Source model, including but not limited to data security issues, risk of public opinion, or any risks and problems arising from the misdirection, misuse, dissemination or misuse of the model.