爬取新闻内容时报错，请求出错了，想知道该怎么办

import requests
from bs4 import BeautifulSoup
with open('C:\python-data\d.txt','r')as f:
for url in f.readlines():#读取文件的每一行链接
#print(url)
#print(type(url))
headers={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36 SLBrowser/7.0.0.6241 SLBChan/25'}
r=requests.get(url，headers=headers)
r.encoding='utf-8'
bs=BeautifulSoup(url.text,'lxml')
conttent_0=bs.select('.vsbcontent_start >p')#获取正文内容
print(content_0)

错误信息呢？