diff --git a/www/app.js b/www/app.js
index 4ac8069..6440363 100644
--- a/www/app.js
+++ b/www/app.js
@@ -124,6 +124,19 @@ async function loadBackendConfig() {
     
     // 不加载默认启用的工具，所有工具默认未启用
     
+    // 将后台系统配置赋值到 CONFIG
+    if (backendConfig.system) {
+      CONFIG.system = backendConfig.system;
+    }
+    
+    // 将后台 LLM 配置赋值到 CONFIG
+    if (backendConfig.llm) {
+      CONFIG.apiUrl = backendConfig.llm.api_url;
+      CONFIG.apiKey = backendConfig.llm.api_key;
+      CONFIG.model = backendConfig.llm.model;
+      CONFIG.maxTokens = backendConfig.llm.max_tokens || 2048;
+    }
+    
     updateAgentsDisplay();
     console.log('后台配置已加载', backendConfig);
   } catch (e) {
@@ -2613,7 +2626,12 @@ function showAboutPage() {
   const privacyPolicyBtn = document.getElementById('privacyPolicyBtn');
   if (privacyPolicyBtn) {
     privacyPolicyBtn.addEventListener('click', () => {
-      showToast('隐私政策页面待完善');
+      const privacyUrl = CONFIG?.system?.privacyPolicyUrl;
+      if (privacyUrl) {
+        window.open(privacyUrl, '_blank');
+      } else {
+        showToast('隐私政策链接未配置');
+      }
     });
   }
   
@@ -2621,7 +2639,12 @@ function showAboutPage() {
   const userAgreementBtn = document.getElementById('userAgreementBtn');
   if (userAgreementBtn) {
     userAgreementBtn.addEventListener('click', () => {
-      showToast('用户协议页面待完善');
+      const agreementUrl = CONFIG?.system?.userAgreementUrl;
+      if (agreementUrl) {
+        window.open(agreementUrl, '_blank');
+      } else {
+        showToast('用户协议链接未配置');
+      }
     });
   }
 }