fix bugs

app/task.py

@@ -301,6 +301,7 @@ def check_activity_help_link():
                 messages.append(f"{package_viewN_name}: {name}")
 
     message_content = "\n".join(messages)
+    message_content = json.dumps({"text": message_content})
 
     send_groud_message(client, chat_id, message_content)