Update app.py

app.py

@@ -18,7 +18,7 @@ async def read_item(username: str, video_id:str):
     # else:
     #     url = "https://tiktok.com/"+link_detail
 
-    url = f"https://www.tiktok.com/{username}/video/{video_id}"
+    url = f"https://www.tiktok.com/@{username}/video/{video_id}"
 
     res = requests.get(url, headers={"user-agent":user_agent})
     text_maker = html2text.HTML2Text()