[Bug]: ModuleNotFoundError: No module named 'loguru'

### Installation Method | 安装方法与平台

Pip Install (I used latest requirements.txt)

### Version | 版本

Others | 非最新版

### OS | 操作系统

Mac

### Describe the bug | 简述

Traceback (most recent call last):
File "/Users/kongxi/Documents/chatgpt_academic/main.py", line 16, in
from loguru import logger
ModuleNotFoundError: No module named 'loguru'

### Screen Shot | 有帮助的截图


### Terminal Traceback & Material to Help Reproduce Bugs | 终端traceback（如有） + 帮助我们复现的测试材料样本（如有）

_No response_

Start with requirements.txt and the import shown at main.py line 16, then reproduce the pip installation on macOS. Confirm that a fresh installation includes loguru and that starting main.py no longer raises ModuleNotFoundError.

Written by the indexing model from the issue text.