diff --git a/_worker.js b/_worker.js
index 47f06a893a..f60e5714c2 100644
--- a/_worker.js
+++ b/_worker.js
@@ -25,8 +25,8 @@ let parsedSocks5Address = {};
 let enableSocks = false;
 
 // 虚假uuid和hostname，用于发送给配置生成服务
-let fakeUserID = "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa";
-let fakeHostName = "EXAMPLE.COM";
+let fakeUserID = generateUUID();
+let fakeHostName = generateRandomString();
 
 export default {
 	/**
@@ -67,10 +67,15 @@ export default {
 					return new Response(JSON.stringify(request.cf), { status: 200 });
 				case `/${userID}`: {
 					const vlessConfig = await getVLESSConfig(userID, request.headers.get('Host'), sub, userAgent, RproxyIP);
+					const now = Date.now();
+					const timestamp = Math.floor(now / 1000);
+					const today = new Date(now);
+					today.setHours(0, 0, 0, 0);
 					return new Response(`${vlessConfig}`, {
 					status: 200,
 					headers: {
 						"Content-Type": "text/plain;charset=utf-8",
+						"Subscription-Userinfo": `upload=0; download=${Math.floor(((now - today.getTime())/86400000) * 24 * 1099511627776)}; total=${24 * 1099511627776}; expire=${timestamp}`,
 					}
 					});
 				}
@@ -790,6 +795,37 @@ function revertFakeInfo(content, userID, hostName, isBase64) {
 	return content;
 }
 
+function generateRandomNumber() {
+	let minNum = 100000;
+	let maxNum = 999999;
+	return Math.floor(Math.random() * (maxNum - minNum + 1)) + minNum;
+}
+
+function generateRandomString() {
+	let minLength = 2;
+	let maxLength = 3;
+	let length = Math.floor(Math.random() * (maxLength - minLength + 1)) + minLength;
+	let characters = 'abcdefghijklmnopqrstuvwxyz';
+	let result = '';
+	for (let i = 0; i < length; i++) {
+	  result += characters[Math.floor(Math.random() * characters.length)];
+	}
+	return result;
+}
+
+function generateUUID() {
+	let uuid = '';
+	for (let i = 0; i < 32; i++) {
+	  let num = Math.floor(Math.random() * 16);
+	  if (num < 10) {
+		uuid += num;
+	  } else {
+		uuid += String.fromCharCode(num + 55);
+	  }
+	}
+	return uuid.replace(/(.{8})(.{4})(.{4})(.{4})(.{12})/, '$1-$2-$3-$4-$5').toLowerCase();
+}
+
 /**
  * @param {string} userID
  * @param {string | null} hostName
@@ -874,7 +910,11 @@ async function getVLESSConfig(userID, hostName, sub, userAgent, RproxyIP) {
 			return 'Error: fetch is not available in this environment.';
 		}
 		// 如果是使用默认域名，则改成一个workers的域名，订阅器会加上代理
-		if (hostName.includes(".workers.dev") || hostName.includes(".pages.dev")) fakeHostName = "EXAMPLE.workers.dev";
+		if (hostName.includes(".workers.dev") || hostName.includes(".pages.dev")){
+			fakeHostName = `${fakeHostName}.${generateRandomString()}${generateRandomNumber()}.workers.dev`;
+		} else {
+			fakeHostName = `${fakeHostName}.${generateRandomNumber()}.xyz`
+		}
 		let content = "";
 		let url = "";
 		let isBase64 = false;