Update chatbot/plugins/join_request.py

chatbot/plugins/join_request.py

@@ -107,7 +107,7 @@ async def join_request(client: Client, event: ChatJoinRequest):
     captcha_text, img_path, choices = generate_captcha_multiple_choice()
     captcha_texts[event.from_user.id] = captcha_text
     captcha_texts["chat_id"] = event.chat.id
-    captcha_texts["username"] = event.from_user.username
+    captcha_texts["chat_username"] = event.chat.username
     keyboard = InlineKeyboardMarkup(
         [
             [InlineKeyboardButton(choice, callback_data=f"verify_{event.from_user.id}_{choice}")]
@@ -213,6 +213,7 @@ async def verify_captcha_multiple_choice_callback(client: Client, cb: CallbackQu
         )
         del captcha_texts[user_id]
         del captcha_texts["chat_id"]
+        del captcha_texts["chat_username"]
     else:
         await cb.edit_message_text("❌ Incorrect CAPTCHA. Please try again")
         logger.info(f"User {user_id} failed CAPTCHA verification.")
@@ -222,6 +223,7 @@ async def verify_captcha_multiple_choice_callback(client: Client, cb: CallbackQu
         )
         del captcha_texts[user_id]
         del captcha_texts["chat_id"]
+        del captcha_texts["chat_username"]
 
 @Client.on_callback_query(filters.regex("^verify_captcha$"))
 async def verify_captcha_callback(client: Client, cb: CallbackQuery):