优化数据刷新间隔

public/js/app.js

@@ -758,6 +758,16 @@
       if (resp.ok) {
         updateUserUI(data.username);
         closeLoginModal();
+
+        // Refresh data sources list for the filter dropdown
+        loadSourceCount();
+        
+        // Refresh site settings (logo, filings, theme, etc.)
+        loadSiteSettings();
+
+        // Refresh dashboard data
+        fetchMetrics(true);
+        fetchNetworkHistory(true);
       } else {
         dom.loginError.textContent = data.error || '登录失败';
         dom.loginError.style.display = 'block';