diff --git a/src/handlers/request-handler.js b/src/handlers/request-handler.js
index ec3cd41..e90a452 100644
--- a/src/handlers/request-handler.js
+++ b/src/handlers/request-handler.js
@@ -44,8 +44,9 @@ export function createRequestHandler(config, providerPoolManager) {
 
         // Set CORS headers for all requests
         res.setHeader('Access-Control-Allow-Origin', '*');
-        res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
-        res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization, x-goog-api-key, Model-Provider');
+        res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS, PATCH');
+        res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization, x-goog-api-key, Model-Provider, X-Requested-With, Accept, Origin');
+        res.setHeader('Access-Control-Max-Age', '86400'); // 24 hours cache for preflight
 
         // Handle CORS preflight requests
         if (method === 'OPTIONS') {
diff --git a/src/providers/claude/claude-kiro.js b/src/providers/claude/claude-kiro.js
index a85a144..2a06752 100644
--- a/src/providers/claude/claude-kiro.js
+++ b/src/providers/claude/claude-kiro.js
@@ -27,7 +27,7 @@ const KIRO_CONSTANTS = {
     AMAZON_Q_URL: 'https://codewhisperer.{{region}}.amazonaws.com/SendMessageStreaming',
     USAGE_LIMITS_URL: 'https://q.{{region}}.amazonaws.com/getUsageLimits',
     DEFAULT_MODEL_NAME: 'claude-opus-4-5',
-    AXIOS_TIMEOUT: 300000, // 5 minutes timeout (increased from 2 minutes)
+    AXIOS_TIMEOUT: 120000, // 2 minutes timeout (increased from 2 minutes)
     USER_AGENT: 'KiroIDE',
     KIRO_VERSION: '0.7.5',
     CONTENT_TYPE_JSON: 'application/json',
diff --git a/src/services/api-server.js b/src/services/api-server.js
index dabd95e..d357987 100644
--- a/src/services/api-server.js
+++ b/src/services/api-server.js
@@ -222,8 +222,8 @@ async function startServer() {
     await initializeConfig(process.argv.slice(2), 'configs/config.json');
     
     // 自动关联 configs 目录中的配置文件到对应的提供商
-    console.log('[Initialization] Checking for unlinked provider configs...');
-    await autoLinkProviderConfigs(CONFIG);
+    // console.log('[Initialization] Checking for unlinked provider configs...');
+    // await autoLinkProviderConfigs(CONFIG);
 
     // Initialize plugin system
     console.log('[Initialization] Discovering and initializing plugins...');
@@ -253,7 +253,15 @@ async function startServer() {
     // Create request handler
     const requestHandlerInstance = createRequestHandler(CONFIG, getProviderPoolManager());
 
-    serverInstance = http.createServer(requestHandlerInstance);
+    serverInstance = http.createServer({
+        // 设置服务器级别的超时
+        requestTimeout: 0, // 禁用请求超时（流式响应需要）
+        headersTimeout: 60000, // 头部超时 60 秒
+        keepAliveTimeout: 65000 // Keep-alive 超时
+    }, requestHandlerInstance);
+
+    // 设置服务器的最大连接数
+    serverInstance.maxConnections = 1000;
     serverInstance.listen(CONFIG.SERVER_PORT, CONFIG.HOST, async () => {
         console.log(`--- Unified API Server Configuration ---`);
         const configuredProviders = Array.isArray(CONFIG.DEFAULT_MODEL_PROVIDERS) && CONFIG.DEFAULT_MODEL_PROVIDERS.length > 0
diff --git a/src/ui-modules/update-api.js b/src/ui-modules/update-api.js
index 2b1d6e7..f4753ae 100644
--- a/src/ui-modules/update-api.js
+++ b/src/ui-modules/update-api.js
@@ -3,9 +3,70 @@ import { promises as fs } from 'fs';
 import path from 'path';
 import { exec } from 'child_process';
 import { promisify } from 'util';
+import { CONFIG } from '../core/config-manager.js';
+import { parseProxyUrl } from '../utils/proxy-utils.js';
 
 const execAsync = promisify(exec);
 
+/**
+ * 获取更新检查使用的代理配置
+ * @returns {Object|null} 代理配置对象或 null
+ */
+function getUpdateProxyConfig() {
+    if (!CONFIG || !CONFIG.PROXY_URL) {
+        return null;
+    }
+    
+    const proxyConfig = parseProxyUrl(CONFIG.PROXY_URL);
+    if (proxyConfig) {
+        console.log(`[Update] Using ${proxyConfig.proxyType} proxy for update check: ${CONFIG.PROXY_URL}`);
+    }
+    return proxyConfig;
+}
+
+/**
+ * 带代理支持的 fetch 封装
+ * @param {string} url - 请求 URL
+ * @param {Object} options - fetch 选项
+ * @returns {Promise<Response>}
+ */
+async function fetchWithProxy(url, options = {}) {
+    const proxyConfig = getUpdateProxyConfig();
+    
+    if (proxyConfig) {
+        // 使用 undici 的 fetch 支持代理
+        const fetchOptions = {
+            ...options,
+            dispatcher: undefined
+        };
+        
+        // 根据 URL 协议选择合适的 agent
+        const urlObj = new URL(url);
+        if (urlObj.protocol === 'https:') {
+            fetchOptions.agent = proxyConfig.httpsAgent;
+        } else {
+            fetchOptions.agent = proxyConfig.httpAgent;
+        }
+        
+        // Node.js 原生 fetch 不直接支持 agent，需要使用 undici 或 node-fetch
+        // 这里使用动态导入 undici 来支持代理
+        try {
+            const { fetch: undiciFetch, ProxyAgent } = await import('undici');
+            const proxyAgent = new ProxyAgent(CONFIG.PROXY_URL);
+            return await undiciFetch(url, {
+                ...options,
+                dispatcher: proxyAgent
+            });
+        } catch (importError) {
+            // 如果 undici 不可用，回退到原生 fetch（不使用代理）
+            console.warn('[Update] undici not available, falling back to native fetch without proxy');
+            return await fetch(url, options);
+        }
+    }
+    
+    return await fetch(url, options);
+}
+
 /**
  * 比较版本号
  * @param {string} v1 - 版本号1
@@ -43,7 +104,7 @@ async function getLatestVersionFromGitHub() {
     
     try {
         console.log('[Update] Fetching latest version from GitHub API...');
-        const response = await fetch(apiUrl, {
+        const response = await fetchWithProxy(apiUrl, {
             headers: {
                 'Accept': 'application/vnd.github.v3+json',
                 'User-Agent': 'AIClient2API-UpdateChecker'
@@ -306,7 +367,7 @@ async function performTarballUpdate(localVersion, latestTag) {
         
         // 2. 下载 tarball
         console.log('[Update] Downloading tarball...');
-        const response = await fetch(tarballUrl, {
+        const response = await fetchWithProxy(tarballUrl, {
             headers: {
                 'User-Agent': 'AIClient2API-Updater'
             },