KeyError: 'paras'

[blackdream]

DevTools listening on ws://127.0.0.1:11303/devtools/browser/a06abf9c-84a1-44b5-86da-b55b1b71d5de
任务ID 641 的保存文件名为: 2025_08_27_14_21_38
Save Name for task ID 641 is: 2025_08_27_14_21_38
此模式下，任务ID 641 将从头开始执行，如果需要从上次退出的步骤开始执行，请在保存任务时设置是否从上次保存位置开始执行为“ 是”。
In this mode, task ID 641 will start from the beginning, if you want to start from the last step, please set the option 'start from the last step' to 'yes' when saving the task.
Loading stealth.min.js
新建模式|Create Mode
循环操作<循环采集数据>可以快速提取数据
Loop operation <循环采集数据> can extract data quickly
Traceback (most recent call last):
File "easyspider_executestage.py", line 2440, in
File "easyspider_executestage.py", line 231, in init
File "easyspider_executestage.py", line 313, in preprocess
KeyError: 'paras'
[19636] Failed to execute script 'easyspider_executestage' due to unhandled exception!

Cannot automatically check new version, please use the following command to check whether a new version avaliable and upgrade by pip:
�[1;32mpip index versions commandline_config
pip install commandline --upgrade�[0m

然后就卡住不动了