fix deal with invalid url

main.py

@@ -41,6 +41,8 @@ async def inline_query(update: Update, context: ContextTypes.DEFAULT_TYPE) -> No
         return
     logger.info(f"Query: {query}")
     async with Telegram(query) as tweet:
+        if not tweet:
+            return
         await update.inline_query.answer(tweet.inline_query_result())
 
 

utils/telegram.py

@@ -17,6 +17,8 @@ class Telegram:
         elif PIXIV_REFRESH_TOKEN and pixiv_url.match(self._url):
             async with TelegramPixiv(self._url) as pixiv:
                 return pixiv
+        else:
+            return None
 
     async def __aexit__(self, exc_type, exc_val, exc_tb):
         pass