js get 请求中文乱码

const param = encodeURIComponent('中文');
const url = `http://example.com/api?param=${param}`;
fetch(url)
  .then(response => response.json())
  .then(data => console.log(data));

const http = require('http');
const url = require('url');

http.createServer((req, res) => {
  const queryObject = url.parse(req.url, true).query;
  const decodedParam = decodeURIComponent(queryObject.param);
  console.log(decodedParam); // 输出: 中文
  res.end();
}).listen(3000);

from flask import Flask, request

app = Flask(__name__)

@app.route('/api')
def api():
    param = request.args.get('param')
    decoded_param = param.encode('latin1').decode('utf-8')
    print(decoded_param)  # 输出: 中文
    return 'Success'

if __name__ == '__main__':
    app.run(port=3000)