.JSON文件无法显示中文

猫的树和我的你

import requests
from bs4 import BeautifulSoup
import json


def get_html_text(url):
    try:
        r = requests.get(url)
        r.raise_for_status()
        # r.encoding = 'utf-8'
        return r.text
    except Exception as e:
        print(e)
        return ''


def parse_url(html):
    soup = BeautifulSoup(html, 'lxml')
    content = []
    for mulu in soup.find_all(class_='mulu'):
        h2 = mulu.find('h2')
        if h2 != None:
            h2_title = h2.string
            list = []
            for a in mulu.find(class_='box').find_all('a'):
                herf = a.get('href')
                box_title = a.get('title')
                list.append({'herf': herf, 'box_title': box_title})
            content.append({'title': h2_title, 'content': list})
    with open('novel.json', 'w') as f:
        json.dump(content, fp=f, ensure_ascii=False, indent=4)


if __name__ == '__main__':
    url = 'http://seputu.com/'
    html = get_html_text(url)
    parse_url(html)

猫的树和我的你

没有ensure_ascii=False可以写入，但是无法显示中文。加了ensure_ascii=False之后会出现UnicodeEncodeError: 'gbk' codec can't encode character '\xe7' in position 1: illegal multibyte sequence


另外为什么不能以wb形式写入。用wb写入时出现TypeError: a bytes-like object is required, not 'str'