Update Ai cover

Ai cover

@@ -1,6 +1,6 @@
 import os, sys
 import datetime, subprocess
-from gradio import gradio
+from gradio import Gradio
 now_dir = os.getcwd()
 sys.path.append(now_dir)
 import logging
@@ -16,7 +16,7 @@ import pathlib
 
 import fairseq
 import faiss
-import gradio as gr
+import gradio as gradio
 import numpy as np
 import torch
 from dotenv import load_dotenv