diff --git a/demo.py b/demo.py
index cf93edf..3239021 100644
--- a/demo.py
+++ b/demo.py
@@ -51,11 +51,12 @@ print('Initializing Chat')
 args = parse_args()
 cfg = Config(args)
 
-model_config = cfg.model_cfg
-model_config.device_8bit = args.gpu_id
-model_cls = registry.get_model_class(model_config.arch)
-print(model_config)
-model = model_cls.from_config(model_config).to('cuda:{}'.format(args.gpu_id))
+# model_config = cfg.model_cfg
+# model_config.device_8bit = args.gpu_id
+# model_cls = registry.get_model_class(model_config.arch)
+# print(model_config)
+# model = model_cls.from_config(model_config).to('cuda:{}'.format(args.gpu_id))
+model = None
 
 # TODO: Fix hard-coding  `cc12m`
 vis_processor_cfg = cfg.datasets_cfg.cc12m.vis_processor.train
@@ -81,6 +82,7 @@ def gradio_reset(chat_state, emb_list):
 
 
 def upload_img(gr_img, text_input, chat_state):
+    return None, None, gr.update(interactive=True), chat_state, None
     if gr_img is None:
         return None, None, gr.update(interactive=True), chat_state, None
     chat_state = CONV_VISION.copy()
@@ -101,12 +103,13 @@ def gradio_ask(user_message, chatbot, chat_state):
 
 
 def gradio_answer(chatbot, chat_state, emb_list, num_beams, temperature):
-    llm_message = chat.answer(conversation=chat_state,
-                              emb_list=emb_list,
-                              num_beams=num_beams,
-                              temperature=temperature,
-                              max_new_tokens=300,
-                              max_length=2000)[0]
+    # llm_message = chat.answer(conversation=chat_state,
+    #                           emb_list=emb_list,
+    #                           num_beams=num_beams,
+    #                           temperature=temperature,
+    #                           max_new_tokens=300,
+    #                           max_length=2000)[0]
+    llm_message = "I don't know"
     chatbot[-1][1] = llm_message
     return chatbot, chat_state, emb_list
 
diff --git a/eval_configs/minigpt4_eval.yaml b/eval_configs/minigpt4_eval.yaml
index f9e55a3..b9bfd1d 100644
--- a/eval_configs/minigpt4_eval.yaml
+++ b/eval_configs/minigpt4_eval.yaml
@@ -8,7 +8,7 @@ model:
   low_resource: True
   prompt_path: "prompts/alignment.txt"
   prompt_template: '###Human: {} ###Assistant: '
-  ckpt: '/path/to/pretrained/ckpt/'
+  ckpt: 'checkpoints/prerained_minigpt4_7b.pth'
 
 
 datasets:
diff --git a/minigpt4/configs/models/minigpt4.yaml b/minigpt4/configs/models/minigpt4.yaml
index 9e7f8e9..2d5f13a 100644
--- a/minigpt4/configs/models/minigpt4.yaml
+++ b/minigpt4/configs/models/minigpt4.yaml
@@ -10,11 +10,11 @@ model:
   freeze_qformer: True
 
   # Q-Former
-  q_former_model: "/mnt/bn/bykang/chixma/data/pretrained_models/blip2_pretrained_flant5xxl.pth"
+  q_former_model: "checkpoints/blip2_pretrained_flant5xxl.pth"
   num_query_token: 32
 
   # Vicuna
-  llama_model: "/mnt/bn/bykang/chixma/data/pretrained_models/vicuna-13b-v0/"
+  llama_model: "checkpoints/blip2_pretrained_flant5xxl.pth"
 
   # generation configs
   prompt: ""