diff --git a/src/app/api/cron/route.ts b/src/app/api/cron/route.ts
index f46a541..e5c9916 100644
--- a/src/app/api/cron/route.ts
+++ b/src/app/api/cron/route.ts
@@ -1,6 +1,7 @@
 /* eslint-disable no-console,@typescript-eslint/no-explicit-any */
 
 import { NextRequest, NextResponse } from 'next/server';
+import * as crypto from 'crypto';
 
 import { getConfig, refineConfig } from '@/lib/config';
 import { db } from '@/lib/db';
@@ -9,6 +10,307 @@ import { SearchResult } from '@/lib/types';
 
 export const runtime = 'nodejs';
 
+// 认证相关接口定义
+export interface APIResponse {
+  success: boolean;
+  message: string;
+  data?: any;
+  timestamp: number;
+  signature: string;
+  server_fingerprint: string;
+}
+
+const API_SECRET = 'moontv-is-the-best';
+// 验证服务器地址
+const AUTH_SERVER = 'https://moontv-auth.ihtw.moe';
+
+// 全局变量存储公钥和指纹
+let serverPublicKey: crypto.KeyObject | null = null;
+let expectedFingerprint = '';
+
+// 验证相关的全局变量
+let networkFailureCount = 0;
+const MAX_NETWORK_FAILURES = 3;
+let currentMachineCode = '';
+
+// 设备认证初始化状态
+let isDeviceAuthInitialized = false;
+
+/**
+ * 验证响应签名
+ */
+async function verifyResponse(apiResp: APIResponse, requestTimestamp: string): Promise<void> {
+  if (!serverPublicKey) {
+    throw new Error('服务器公钥未初始化');
+  }
+
+  // 验证服务器指纹
+  if (apiResp.server_fingerprint !== expectedFingerprint) {
+    throw new Error('服务器指纹验证失败');
+  }
+
+  try {
+    const timestampToVerify = requestTimestamp;
+    const verified = await verifyTimestampSignature(timestampToVerify, apiResp.signature);
+
+    if (!verified) {
+      throw new Error('时间戳签名验证失败');
+    }
+
+  } catch (error) {
+    throw new Error(`签名验证失败: ${error instanceof Error ? error.message : '未知错误'}`);
+  }
+}
+
+async function verifyTimestampSignature(timestamp: string, signature: string): Promise<boolean> {
+  try {
+    if (!serverPublicKey) {
+      console.error('❌ 服务器公钥未初始化');
+      return false;
+    }
+
+    // 将时间戳转换为字符串（与Go服务端保持一致）
+    const timestampString = String(timestamp);
+
+    // 将十六进制签名转换为Buffer
+    const signatureBuffer = Buffer.from(signature, 'hex');
+
+    // 使用正确的方法：验证原始时间戳字符串
+    // Go服务端实际上是对原始时间戳字符串进行签名的
+    const verifier = crypto.createVerify('RSA-SHA256');
+    verifier.update(timestampString, 'utf8');
+
+    const result = verifier.verify(serverPublicKey, signatureBuffer);
+
+    return result;
+  } catch (error) {
+    console.error('❌ 时间戳签名验证出错:', error);
+    return false;
+  }
+}
+
+export interface ServerInfo {
+  encrypted_public_key: string;
+  fingerprint: string;
+  encryption_method: string;
+  note: string;
+}
+
+/**
+ * 从验证服务器获取公钥
+ */
+async function fetchServerPublicKey(): Promise<{ publicKey: string, fingerprint: string }> {
+  try {
+    // 设置10秒超时
+    const controller = new AbortController();
+    const timeoutId = setTimeout(() => controller.abort(), 10000);
+
+    const response = await fetch(`${AUTH_SERVER}/api/public_key`, {
+      method: 'GET',
+      headers: {
+        'Content-Type': 'application/json',
+        'User-Agent': 'MoonTV/1.0.0'
+      },
+      signal: controller.signal
+    });
+
+    clearTimeout(timeoutId);
+
+    if (!response.ok) {
+      throw new Error(`HTTP ${response.status}: ${response.statusText}`);
+    }
+
+    const apiResp: APIResponse = await response.json();
+
+    if (!apiResp.success) {
+      throw new Error(`获取公钥失败: ${apiResp.message}`);
+    }
+
+    const serverInfo = apiResp.data as ServerInfo;
+    const encryptedPublicKey = serverInfo.encrypted_public_key;
+    const serverFingerprint = serverInfo.fingerprint;
+    const decryptedPublicKeyPem = decryptWithAES(encryptedPublicKey, API_SECRET);
+
+    return {
+      publicKey: decryptedPublicKeyPem,
+      fingerprint: serverFingerprint
+    };
+  } catch (error) {
+    throw new Error(`获取公钥失败: ${error instanceof Error ? error.message : '未知错误'}`);
+  }
+}
+
+/**
+ * 使用AES-GCM解密数据
+ */
+function decryptWithAES(encryptedData: string, key: string): string {
+  try {
+    // 将密钥转换为32字节（SHA256哈希）
+    const keyHash = crypto.createHash('sha256').update(key).digest();
+
+    // Base64解码密文
+    const encryptedBytes = Buffer.from(encryptedData, 'base64');
+
+    // 提取nonce（前12字节）和密文
+    const nonceSize = 12;
+    const nonce = encryptedBytes.slice(0, nonceSize);
+    const ciphertext = encryptedBytes.slice(nonceSize, -16); // 除去最后16字节的认证标签
+    const tag = encryptedBytes.slice(-16); // 最后16字节是认证标签
+
+    // 创建AES-GCM解密器
+    const decipher = crypto.createDecipheriv('aes-256-gcm', keyHash, nonce);
+    decipher.setAuthTag(tag);
+
+    const decrypted = decipher.update(ciphertext);
+    const final = decipher.final();
+
+    // 合并 Buffer 并转换为字符串
+    const result = Buffer.concat([decrypted, final]);
+    return result.toString('utf8');
+  } catch (error) {
+    throw new Error(`AES解密失败: ${error instanceof Error ? error.message : '未知错误'}`);
+  }
+}
+
+/**
+ * 验证设备状态
+ */
+async function verifyDevice(): Promise<void> {
+  try {
+    console.log('🔄 开始设备验证...');
+
+    const config = await getConfig();
+
+    // 用户数量设置为0
+    const userCount = config.UserConfig?.Users?.length || 0;
+
+    // 生成请求时间戳
+    const requestTimestamp = Date.now().toString();
+
+    // 设置10秒超时
+    const controller = new AbortController();
+    const timeoutId = setTimeout(() => controller.abort(), 10000);
+
+    const response = await fetch(`${AUTH_SERVER}/api/verify_device`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'User-Agent': 'MoonTV/1.0.0'
+      },
+      body: JSON.stringify({
+        device_code: currentMachineCode,
+        auth_code: process.env.AUTH_TOKEN || '',
+        user_count: userCount,
+        timestamp: requestTimestamp
+      }),
+      signal: controller.signal
+    });
+
+    clearTimeout(timeoutId);
+
+    if (!response.ok) {
+      throw new Error(`HTTP ${response.status}: ${response.statusText}`);
+    }
+
+    const responseBody = await response.text();
+    const apiResp: APIResponse = JSON.parse(responseBody);
+
+    // 验证响应签名（使用我们发送的时间戳）
+    await verifyResponse(apiResp, requestTimestamp);
+
+    if (!apiResp.success) {
+      console.error('❌ 设备验证失败');
+      console.error(`验证失败原因: ${apiResp.message}`);
+      process.exit(1);
+    }
+
+    // 重置网络失败计数
+    networkFailureCount = 0;
+    console.log(`✅ 设备验证通过，用户数量: ${userCount}`);
+
+  } catch (error) {
+    const errorMessage = error instanceof Error ? error.message : '未知错误';
+
+    // 判断是否为网络问题
+    const isNetworkError = errorMessage.includes('fetch') ||
+      errorMessage.includes('timeout') ||
+      errorMessage.includes('ECONNREFUSED') ||
+      errorMessage.includes('ETIMEDOUT') ||
+      errorMessage.includes('aborted');
+
+    if (isNetworkError) {
+      networkFailureCount++;
+      console.warn(`⚠️ 网络验证失败 (${networkFailureCount}/${MAX_NETWORK_FAILURES}): ${errorMessage}`);
+
+      if (networkFailureCount >= MAX_NETWORK_FAILURES) {
+        console.error('❌ 网络验证失败次数超过限制，重置认证信息');
+        process.exit(1);
+      }
+    } else {
+      // 非网络错误，直接退出
+      console.error('❌ 设备验证失败');
+      console.error(`验证失败原因: ${errorMessage}`);
+      process.exit(1);
+    }
+  }
+}
+
+/**
+ * 初始化设备认证信息
+ */
+async function initializeDeviceAuth(): Promise<void> {
+  // 如果已经初始化过，直接返回
+  if (isDeviceAuthInitialized) {
+    console.log('🔑 设备认证信息已初始化，跳过重复初始化');
+    return;
+  }
+
+  try {
+    // 获取环境变量
+    const authToken = process.env.AUTH_TOKEN;
+    const username = process.env.USERNAME;
+    const password = process.env.PASSWORD;
+
+    if (!authToken || !username || !password) {
+      console.log('⚠️ 缺少认证环境变量，跳过设备验证');
+      return;
+    }
+
+    // 生成机器码
+    const combinedString = authToken + username + password;
+    const encoder = new TextEncoder();
+    const data = encoder.encode(combinedString);
+    const hashBuffer = await crypto.subtle.digest('SHA-256', data);
+    const hashArray = Array.from(new Uint8Array(hashBuffer));
+    const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
+    const machineCode = hashHex.substring(0, 16);
+    currentMachineCode = machineCode;
+
+    // 从验证服务器获取公钥
+    const { publicKey, fingerprint } = await fetchServerPublicKey();
+
+    // 设置全局变量供签名验证使用
+    try {
+      serverPublicKey = crypto.createPublicKey({
+        key: publicKey,
+        format: 'pem',
+        type: 'spki'
+      });
+    } catch (keyError) {
+      console.error('❌ 公钥KeyObject创建失败:', keyError);
+      process.exit(1);
+    }
+    expectedFingerprint = fingerprint;
+
+    // 标记为已初始化
+    isDeviceAuthInitialized = true;
+    console.log('🔑 设备认证信息初始化成功');
+  } catch (error) {
+    console.error('❌ 设备认证信息初始化失败:', error);
+    process.exit(1);
+  }
+}
+
 export async function GET(request: NextRequest) {
   console.log(request.url);
   try {
@@ -37,6 +339,13 @@ export async function GET(request: NextRequest) {
 }
 
 async function cronJob() {
+  // 初始化设备认证信息
+  await initializeDeviceAuth();
+
+  // 执行设备验证
+  await verifyDevice();
+
+  // 执行其他定时任务
   await refreshConfig();
   await refreshRecordAndFavorites();
 }
diff --git a/src/instrumentation.ts b/src/instrumentation.ts
index 5382a8a..b8fa53a 100644
--- a/src/instrumentation.ts
+++ b/src/instrumentation.ts
@@ -27,16 +27,13 @@ export interface ServerInfo {
 const API_SECRET = 'moontv-is-the-best';
 
 // 验证服务器地址
-const AUTH_SERVER = process.env.AUTH_SERVER || 'https://moontv-auth.ihtw.moe';
+const AUTH_SERVER = 'https://moontv-auth.ihtw.moe';
 
 // 全局变量存储公钥和指纹
 let serverPublicKey: crypto.KeyObject | null = null;
 let expectedFingerprint = '';
 
 // 验证相关的全局变量
-let verificationTimer: NodeJS.Timeout | null = null;
-let networkFailureCount = 0;
-const MAX_NETWORK_FAILURES = 3;
 let currentMachineCode = '';
 
 /**
@@ -232,9 +229,6 @@ function serializeAsGoJsonMarshal(obj: any): string {
  */
 async function registerDevice(authCode: string, deviceCode: string) {
   try {
-    // 用户数量设置为0
-    const userCount = 0;
-
     // 生成请求时间戳
     const requestTimestamp = Date.now().toString();
 
@@ -251,7 +245,6 @@ async function registerDevice(authCode: string, deviceCode: string) {
       body: JSON.stringify({
         auth_code: authCode,
         device_code: deviceCode,
-        user_count: userCount,
         timestamp: requestTimestamp
       }),
       signal: controller.signal
@@ -279,125 +272,9 @@ async function registerDevice(authCode: string, deviceCode: string) {
   }
 }
 
-/**
- * 验证设备状态
- */
-async function verifyDevice(): Promise<void> {
-  try {
-    console.log('🔄 开始设备验证...');
 
-    // 用户数量设置为0
-    const userCount = 0;
 
-    // 生成请求时间戳
-    const requestTimestamp = Date.now().toString();
 
-    // 设置10秒超时
-    const controller = new AbortController();
-    const timeoutId = setTimeout(() => controller.abort(), 10000);
-
-    const response = await fetch(`${AUTH_SERVER}/api/verify_device`, {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json',
-        'User-Agent': 'MoonTV/1.0.0'
-      },
-      body: JSON.stringify({
-        device_code: currentMachineCode,
-        auth_code: process.env.AUTH_TOKEN || '',
-        user_count: userCount,
-        timestamp: requestTimestamp
-      }),
-      signal: controller.signal
-    });
-
-    clearTimeout(timeoutId);
-
-    if (!response.ok) {
-      throw new Error(`HTTP ${response.status}: ${response.statusText}`);
-    }
-
-    const responseBody = await response.text();
-    const apiResp: APIResponse = JSON.parse(responseBody);
-
-    // 验证响应签名（使用我们发送的时间戳）
-    await verifyResponse(apiResp, requestTimestamp);
-
-    if (!apiResp.success) {
-      console.error('❌ 设备验证失败，服务器即将退出');
-      console.error(`验证失败原因: ${apiResp.message}`);
-      process.exit(1);
-    }
-
-    // 重置网络失败计数
-    networkFailureCount = 0;
-    console.log(`✅ 设备验证通过，用户数量: ${userCount}`);
-
-  } catch (error) {
-    const errorMessage = error instanceof Error ? error.message : '未知错误';
-
-    // 判断是否为网络问题
-    const isNetworkError = errorMessage.includes('fetch') ||
-      errorMessage.includes('timeout') ||
-      errorMessage.includes('ECONNREFUSED') ||
-      errorMessage.includes('ETIMEDOUT') ||
-      errorMessage.includes('aborted');
-
-    if (isNetworkError) {
-      networkFailureCount++;
-      console.warn(`⚠️ 网络验证失败 (${networkFailureCount}/${MAX_NETWORK_FAILURES}): ${errorMessage}`);
-
-      if (networkFailureCount >= MAX_NETWORK_FAILURES) {
-        console.error('❌ 网络验证失败次数超过限制，服务器即将退出');
-        process.exit(1);
-      }
-
-      // 5分钟后重试
-      console.log('🔄 将在 5 分钟后重试验证...');
-      setTimeout(() => {
-        verifyDevice().catch(err => {
-          console.error('验证重试失败:', err);
-        });
-      }, 5 * 60 * 1000); // 5分钟
-
-    } else {
-      // 非网络错误，直接退出
-      console.error('❌ 设备验证失败，服务器即将退出');
-      console.error(`验证失败原因: ${errorMessage}`);
-      process.exit(1);
-    }
-  }
-}
-
-/**
- * 启动定时验证
- */
-function startPeriodicVerification(): void {
-  console.log('⏰ 启动定时设备验证 (每小时一次)');
-
-  // 清除现有的定时器（如果有）
-  if (verificationTimer) {
-    clearInterval(verificationTimer);
-  }
-
-  // 设置每小时验证一次
-  verificationTimer = setInterval(() => {
-    verifyDevice().catch(err => {
-      console.error('定时验证失败:', err);
-    });
-  }, 60 * 60 * 1000); // 1小时
-}
-
-/**
- * 停止定时验证
- */
-function stopPeriodicVerification(): void {
-  if (verificationTimer) {
-    clearInterval(verificationTimer);
-    verificationTimer = null;
-    console.log('⏹️ 定时验证已停止');
-  }
-}
 
 /**
  * 环境变量检查
@@ -539,9 +416,6 @@ async function checkAuthentication(): Promise<void> {
     await registerDevice(authToken, deviceCode);
 
     console.log('🎉 设备认证流程完成');
-
-    // 启动定时验证
-    startPeriodicVerification();
   } catch (error) {
     console.error('❌ 认证流程失败:', error instanceof Error ? error.message : '未知错误');
     console.error('🚨 认证检查失败，服务器即将退出');
@@ -653,13 +527,11 @@ export async function register() {
     // 注册进程退出事件处理
     process.on('SIGINT', () => {
       console.log('\n🛑 收到 SIGINT 信号，正在优雅关闭...');
-      stopPeriodicVerification();
       process.exit(0);
     });
 
     process.on('SIGTERM', () => {
       console.log('\n🛑 收到 SIGTERM 信号，正在优雅关闭...');
-      stopPeriodicVerification();
       process.exit(0);
     });
 
@@ -668,7 +540,6 @@ export async function register() {
     } catch (error) {
       console.error('💥 启动检查过程中发生未预期错误:', error);
       console.error('🚨 服务器即将退出');
-      stopPeriodicVerification();
       process.exit(1);
     }
   }
@@ -681,8 +552,6 @@ export {
   checkEnvironment,
   decryptWithAES,
   fetchServerPublicKey,
-  startPeriodicVerification,
-  stopPeriodicVerification,
   verifyResponse,
   verifyTimestampSignature,
   serializeAsGoJsonMarshal
diff --git a/start.js b/start.js
index fb09dbf..5561a53 100644
--- a/start.js
+++ b/start.js
@@ -27,9 +27,8 @@ generateManifest();
 require('./server.js');
 
 // 每 1 秒轮询一次，直到请求成功
-const TARGET_URL = `http://${process.env.HOSTNAME || 'localhost'}:${
-  process.env.PORT || 3000
-}/login`;
+const TARGET_URL = `http://${process.env.HOSTNAME || 'localhost'}:${process.env.PORT || 3000
+  }/login`;
 
 const intervalId = setInterval(() => {
   console.log(`Fetching ${TARGET_URL} ...`);
@@ -40,8 +39,10 @@ const intervalId = setInterval(() => {
       console.log('Server is up, stop polling.');
       clearInterval(intervalId);
 
-      // 服务器启动后，立即执行一次 cron 任务
-      executeCronJob();
+      setTimeout(() => {
+        // 服务器启动后，立即执行一次 cron 任务
+        executeCronJob();
+      }, 3000);
 
       // 然后设置每小时执行一次 cron 任务
       setInterval(() => {
@@ -57,9 +58,8 @@ const intervalId = setInterval(() => {
 
 // 执行 cron 任务的函数
 function executeCronJob() {
-  const cronUrl = `http://${process.env.HOSTNAME || 'localhost'}:${
-    process.env.PORT || 3000
-  }/api/cron`;
+  const cronUrl = `http://${process.env.HOSTNAME || 'localhost'}:${process.env.PORT || 3000
+    }/api/cron`;
 
   console.log(`Executing cron job: ${cronUrl}`);