proxies = {'http': 'http://127.0.0.1:7890', 'https': 'http://127.0.0.1:7890'}
# 手动设置代理正常
response = requests.get('https://api.telegram.org', timeout=5, proxies=proxies)
# 异常
response = requests.get('https://api.telegram.org', timeout=5)
print(response.text)