set cache dir

app.py

@@ -8,6 +8,7 @@ def generate_image(prompt):
     args.task = "single"
     args.prompt = prompt
     args.model = "sd-turbo"  # or another supported model
+    args.cache_dir = "./HF_model_cache"
     args.save_dir = "./outputs"
     args.save_all_images = True