赤石科技：洛谷半自动暂时禁止私信机
用法：在洛谷内进行洛谷内右键检查，找到控制台或Console，粘贴以下内容：
while(1) await fetch("https://www.luogu.com.cn/api/chat/new", {
  headers: [
    ["content-type", "application/json"],
    ["referer", "https://www.luogu.com.cn/"],
    ["x-csrf-token", document.querySelector("meta[name=csrf-token]").content],
  ],
  body: JSON.stringify({
    user: 用户id,
    content: "Hi",
  }),
  method: "POST",
});