python rest保存解析的xml文档-错误编码

import requests
import xml.etree.ElementTree as ET

def save_xml(url, xml_data):
    response = requests.post(url, data=xml_data, headers={'Content-Type': 'application/xml'})
    if response.status_code == 200:
        print("XML文档保存成功！")
    else:
        print("XML文档保存失败！")

def parse_xml(xml_data):
    root = ET.fromstring(xml_data)
    # 进行XML文档的解析操作
    # ...

try:
    # 保存XML文档
    save_xml(url, xml_data)
    # 解析XML文档
    parse_xml(xml_data)
except Exception as e:
    print("发生错误：", str(e))