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 Safari/537.36',
}

params = {
    'page': '4',
    'page_len': '20',
    'diploma_id': '7',
    'wenli': '0',
    'app_id': '98357f659cf8fb6001cff80f7c6b85f2',
    'ts': '1723344065728',
    'platform': 'desktop',
    'v': '210',
    'sign': sign,
}

# response = requests.get('https://www.jizhy.com/open/sch/rank-list', params=params, cookies=cookies, headers=headers)/sch/rank-list?page=1&page_len=20&diploma_id=7&wenli=0&app_id=98357f659cf8fb6001cff80f7c6b85f2&ts=1723343996655&platform=desktop&v=210&sign=AB23EA23842662A22BDC3E6F3552914C
# https://www.jizhy.com/open/sch/rank-list?page=2&page_len=20&diploma_id=7&wenli=0&app_id=98357f659cf8fb6001cff80f7c6b85f2&ts=1723344065728&platform=desktop&v=210&sign=82148D68788FEFD79A7241EC764F6EF3


response = requests.get('https://www.jizhy.com/open/sch/rank-list', params=params, cookies=cookies, headers=headers)
context = json.loads(response.text)
print(context)
for school in context['data']['sch_list']:
    s_name= school['sch_name']
    s_score= school['sch_rank_score']
    print(s_name,s_score)