js逆向md5加密算法获取大学排行榜，页码时间戳影响响sign

import json
import requests

from hashlib import md5
def get_md5(s):
    m = md5()
    m.update(s.encode())
    return m.hexdigest()
n="{app_id=98357f659cf8fb6001cff80f7c6b85f2&diploma_id=7&page=4&page_len=20&platform=desktop&ts=1723344065728&v=210&wenli=0}&key=146fd1e66513611ac7af69f21f1d7725"
sign = get_md5(n)



headers = {
    'accept': 'application/json, text/plain, */*',
    'accept-language': 'zh-CN,zh;q=0.9',
    'cache-control': 'no-cache',
   

    'pragma': 'no-cache',
    'priority': 'u=1, i',
    'referer': 'https://www.jizhy.com/44/rank/school',
    'sec-ch-ua': '"Not)A;Brand";v="99", "Google Chrome";v="127", "Chromium";v="127"',
    'sec-ch-ua-mobile': '?0',
    'sec-ch-ua-platform': '"Windows"',
    'sec-fetch-dest': 'empty',
    'sec-fetch-mode': 'cors',
    'sec-fetch-site': 'same-origin',
    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 S