/login 成功登录后我有一个页面，我们将被重定向到“ /files如何从/files页面提取信息” ？我使用Jmeter作为执行者

          - url: '${host}/login'
            method: POST
            label: 'Login'
            headers:
              Upgrade-Insecure-Requests: '1'
              Origin: 'null'
              Content-Type: application/x-www-form-urlencoded
              Accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9'
            extract-xpath:
              requesttoken:
                xpath: //head/@data-requesttoken
                default: NOT_FOUND
                validate-xml: false
                ignore-whitespace: true
                use-tolerant-parser: true
            body:
              password: pass
              timezone: Europe/Berlin
              timezone_offset: '2'
              user: admin