diff --git a/ikuuu-auto-checkin.js b/ikuuu-auto-checkin.js
new file mode 100644
index 0000000..309d7f1
--- /dev/null
+++ b/ikuuu-auto-checkin.js
@@ -0,0 +1,134 @@
+/*
+填写注册的邮箱和密码,多账号使用;隔开
+export Ikuuu_EMAIL="xxx@.com;xxx@com"
+export Ikuuu_PASSWD="A123;A123"
+export Ikuuu_HOST="ikuuu.one"
+由于 ikuuu 经常更换域名，添加 HOST 环境变量，默认为ikuuu.one。若域名更改，修改 HOST 的值为对应域名即可
+
+cron: 33 08 * * *
+const $ = new Env("ikuuu 机场签到");
+*/
+const { sendNotify } = require("./sendNotify");  // 引入 sendNotify.js 模块
+
+const host = process.env.Ikuuu_HOST || "ikuuu.one";
+
+const protocolPrefix = "https://";
+const logInUrl = `${protocolPrefix}${host}/auth/login`;
+const checkInUrl = `${protocolPrefix}${host}/user/checkin`;
+
+function parseCookie(rawCookie) {
+  let cookieSets = rawCookie.split("path=/,");
+
+  const cookies = {};
+
+  cookieSets.forEach((cookie) => {
+    const match = cookie.match(/^([^=]+)=(.*?);/);
+    if (match) {
+      const fieldName = match[1].trim();
+      let fieldValue = match[2].trim();
+
+      fieldValue = decodeURIComponent(fieldValue);
+
+      if (!cookies[fieldName]) {
+        cookies[fieldName] = fieldValue;
+      }
+    }
+  });
+
+  return cookies;
+}
+
+function generateCookieStr(cookieObject) {
+  return Object.entries(cookieObject)
+    .map(([key, value]) => `${key}=${encodeURIComponent(value)}`)
+    .join("; ");
+}
+
+async function logIn(email, passwd) {
+  console.log(`Logging in with email: ${email}...`);
+
+  let formData = new FormData();
+  formData.append("host", host);
+  formData.append("email", email);
+  formData.append("passwd", passwd);
+  formData.append("code", "");
+  formData.append("remember_me", "off");
+
+  let response = await fetch(logInUrl, {
+    method: "POST",
+    body: formData,
+  });
+
+  let rawCookie = response.headers.get("set-cookie");
+
+  let responseJson = await response.json();
+
+  if (responseJson) {
+    console.log(responseJson.msg);
+  }
+
+  return parseCookie(rawCookie);
+}
+
+function checkIn(cookie) {
+  return fetch(checkInUrl, {
+    method: "POST",
+    headers: {
+      Cookie: generateCookieStr(cookie),
+    },
+  })
+    .then((res) => res.json())
+    .then((resJson) => {
+      if (resJson) {
+        console.log(resJson.msg);
+      }
+    });
+}
+
+// 延迟函数，单位为毫秒
+function delay(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+async function main() {
+  let emails = process.env.Ikuuu_EMAIL;
+  let passwords = process.env.Ikuuu_PASSWD;
+
+  if (!emails || !passwords) {
+    console.log("ENV ERROR: Please set both Ikuuu_EMAIL and Ikuuu_PASSWD.");
+    process.exit(1);
+  }
+
+  let emailList = emails.split(";");
+  let passwdList = passwords.split(";");
+
+  if (emailList.length !== passwdList.length) {
+    console.log("Error: The number of emails does not match the number of passwords.");
+    process.exit(1);
+  }
+
+  // 创建一个通知数组，避免多次发送相同的消息
+  let notifications = [];
+
+  // 遍历每个账号执行登录并签到
+  for (let i = 0; i < emailList.length; i++) {
+    let email = emailList[i];
+    let passwd = passwdList[i];
+    let cookie = await logIn(email, passwd);
+    await checkIn(cookie);
+
+    // 每个账号的操作只添加一条通知
+    notifications.push(`账号 ${email} 登录成功，签到完成`);
+
+    // 每次登录后延迟 2 秒
+    await delay(2000);  // 延迟 2 秒
+  }
+
+  // 合并所有通知为一条消息，避免多次发送
+  const notificationMessage = notifications.join("\n");
+
+  // 发送合并后的消息通知
+  sendNotify(`多个账号操作完成：\n${notificationMessage}`);
+}
+
+main();