Update app.py

从远端加载的模型生成的手段不符合逾期

app.py

@@ -225,7 +225,7 @@ MAX_SEED = np.iinfo(np.int32).max
 MAX_IMAGE_SIZE = 4096
 
 if torch.cuda.is_available():
-    vae = AutoencoderKL.from_pretrained("stabilityai/stable-diffusion-xl-base-1.0", torch_dtype=torch.float16)
+    vae = AutoencoderKL.from_pretrained("madebyollin/sdxl-vae-fp16-fix", torch_dtype=torch.float16)
     pipe = StableDiffusionXLPipeline.from_single_file(
         "https://huggingface.co/Laxhar/noobai-XL-Vpred-0.6/blob/main/noobai-xl-vpred-v0.6.safetensors",
         vae=vae,