修复数据库查询错误导致的故障

public/index.html

@@ -621,7 +621,7 @@
               <div class="form-actions" style="margin-top: 25px; display: flex; justify-content: flex-end;">
                 <button class="btn btn-add" id="btnSaveSecuritySettings">保存安全设置</button>
               </div>
-              <div class="form-message" id="siteSettingsMessage"></div>
+              <div class="form-message" id="securitySettingsMessage"></div>
             </div>
           </div>
 
@@ -642,6 +642,7 @@
               <div class="form-actions" style="margin-top: 25px; display: flex; justify-content: flex-end;">
                 <button class="btn btn-add" id="btnSaveCustomMetrics">保存指标配置</button>
               </div>
+              <div class="form-message" id="customMetricsMessage"></div>
             </div>
           </div>
 

public/js/app.js

@@ -54,6 +54,8 @@
     btnSaveSiteSettings: document.getElementById('btnSaveSiteSettings'),
     btnSaveSecuritySettings: document.getElementById('btnSaveSecuritySettings'),
     siteSettingsMessage: document.getElementById('siteSettingsMessage'),
+    securitySettingsMessage: document.getElementById('securitySettingsMessage'),
+    customMetricsMessage: document.getElementById('customMetricsMessage'),
     logoText: document.getElementById('logoText'),
     logoIconContainer: document.getElementById('logoIconContainer'),
     defaultThemeInput: document.getElementById('defaultThemeInput'),
@@ -121,8 +123,8 @@
     icpFilingInput: document.getElementById('icpFilingInput'),
     psFilingInput: document.getElementById('psFilingInput'),
     icpFilingDisplay: document.getElementById('icpFilingDisplay'),
-    ps_filingDisplay: document.getElementById('psFilingDisplay'),
+    psFilingDisplay: document.getElementById('psFilingDisplay'),
-    ps_filingText: document.getElementById('psFilingText'),
+    psFilingText: document.getElementById('psFilingText'),
     copyrightYear: document.getElementById('copyrightYear'),
     customMetricsList: document.getElementById('customMetricsList'),
     btnAddCustomMetric: document.getElementById('btnAddCustomMetric'),
@@ -181,26 +183,7 @@
     throw lastError || new Error('All JSON sources failed');
   }
 
-  // ---- Initialize ----
-  function init() {
-    try {
-      console.log('[Init] Start...');
-    // Resource Gauges Time
-    updateGaugesTime();
-    setInterval(updateGaugesTime, 1000);
-
-    // Initial footer year
-    if (dom.copyrightYear) {
-      dom.copyrightYear.textContent = new Date().getFullYear();
-    }
-
-    // Initial theme check (localStorage handled after site settings load to ensure priority)
-
-    // Network chart
-    networkChart = new AreaChart(dom.networkCanvas);
-
   // ---- Custom Metrics Helpers ----
-  
   function addMetricRow(config = {}) {
     const row = document.createElement('div');
     row.className = 'metric-row';
@@ -231,7 +214,7 @@
     let list = [];
     try {
       list = typeof metrics === 'string' ? JSON.parse(metrics) : (metrics || []);
-    } catch(e) {}
+    } catch (e) { }
 
     if (Array.isArray(list)) {
       list.forEach(m => addMetricRow(m));
@@ -257,12 +240,24 @@
     return metrics;
   }
 
-  // Bind Events
+  // ---- Initialize ----
-  if (dom.btnAddCustomMetric) dom.btnAddCustomMetric.onclick = () => addMetricRow();
+  function init() {
-  if (dom.btnSaveCustomMetrics) {
+    try {
-    dom.btnSaveCustomMetrics.onclick = saveSiteSettings;
+      console.log('[Init] Start...');
+    // Resource Gauges Time
+    updateGaugesTime();
+    setInterval(updateGaugesTime, 1000);
+
+    // Initial footer year
+    if (dom.copyrightYear) {
+      dom.copyrightYear.textContent = new Date().getFullYear();
     }
 
+    // Initial theme check (localStorage handled after site settings load to ensure priority)
+
+    // Network chart
+    networkChart = new AreaChart(dom.networkCanvas);
+
     // Initial map
     initMap2D();
 
@@ -319,8 +314,12 @@
     if (dom.btnSaveSiteSettings) {
       dom.btnSaveSiteSettings.addEventListener('click', saveSiteSettings);
     }
+    // Custom Metrics
+    if (dom.btnAddCustomMetric) {
+      dom.btnAddCustomMetric.addEventListener('click', () => addMetricRow());
+    }
     if (dom.btnSaveCustomMetrics) {
-      dom.btnSaveCustomMetrics.onclick = saveSiteSettings;
+      dom.btnSaveCustomMetrics.addEventListener('click', saveSiteSettings);
     }
     if (dom.btnAddRoute) {
       dom.btnAddRoute.addEventListener('click', addLatencyRoute);
@@ -2203,13 +2202,26 @@
     }
   }
 
-  async function saveSiteSettings() {
+  async function saveSiteSettings(e) {
+    let messageTarget = dom.siteSettingsMessage;
+    if (e && e.target) {
+      if (e.target.id === 'btnSaveSecuritySettings') messageTarget = dom.securitySettingsMessage;
+      else if (e.target.id === 'btnSaveCustomMetrics') messageTarget = dom.customMetricsMessage;
+    }
+
     if (!user) {
-      showSiteMessage('Please login first', 'error');
+      showSiteMessage('请先登录后操作', 'error', messageTarget);
       openLoginModal();
       return;
     }
 
+    const saveButtons = [dom.btnSaveSiteSettings, dom.btnSaveSecuritySettings, dom.btnSaveCustomMetrics].filter(b => b);
+    saveButtons.forEach(btn => {
+      btn.disabled = true;
+      btn.originalText = btn.textContent;
+      btn.textContent = '保存中...';
+    });
+
     const settings = {
       page_name: dom.pageNameInput.value.trim(),
       title: dom.siteTitleInput ? dom.siteTitleInput.value.trim() : dom.pageNameInput.value.trim(),
@@ -2230,14 +2242,6 @@
       custom_metrics: getCustomMetricsFromUI()
     };
 
-    // UI Feedback for both potential save buttons
-    const saveButtons = [dom.btnSaveSiteSettings, dom.btnSaveSecuritySettings].filter(b => b);
-    saveButtons.forEach(btn => {
-      btn.disabled = true;
-      btn.originalText = btn.textContent;
-      btn.textContent = '保存中...';
-    });
-
     try {
       const response = await fetch('/api/settings', {
         method: 'POST',
@@ -2246,31 +2250,28 @@
       });
 
       if (response.ok) {
-        showSiteMessage('设置保存成功', 'success');
+        const data = await response.json();
-        // Update global object and UI immediately
+        window.SITE_SETTINGS = data.settings;
-        window.SITE_SETTINGS = { ...window.SITE_SETTINGS, ...settings };
+        applySiteSettings(window.SITE_SETTINGS);
+        showSiteMessage('设置保存成功', 'success', messageTarget);
+        
         const savedTheme = localStorage.getItem('theme');
         const themeToApply = savedTheme || settings.default_theme || 'dark';
         applyTheme(themeToApply);
 
-        // Apply settings to UI (logo, name, etc.)
-        applySiteSettings(window.SITE_SETTINGS);
-
         // Refresh overview and historical charts to reflect new source selections
         fetchNetworkHistory(true);
-        // We can't force the WS broadcast easily from client, 
-        // but we can fetch the overview via REST API once to update UI
         fetch('/api/metrics/overview?force=true')
           .then(res => res.json())
           .then(data => updateDashboard(data))
           .catch(() => {});
       } else {
         const err = await response.json();
-        showSiteMessage(`保存失败: ${err.error || '未知错误'}`, 'error');
+        showSiteMessage(`保存失败: ${err.error || '未知错误'}`, 'error', messageTarget);
         if (response.status === 401) openLoginModal();
       }
     } catch (err) {
-      showSiteMessage(`保存失败: ${err.message}`, 'error');
+      showSiteMessage(`请求失败: ${err.message}`, 'error', messageTarget);
       console.error('Save settings error:', err);
     } finally {
       saveButtons.forEach(btn => {
@@ -2428,14 +2429,23 @@
     }
   };
 
-  function showSiteMessage(text, type) {
+  function showSiteMessage(text, type, target = null) {
-    dom.siteSettingsMessage.textContent = text;
+    const el = target || dom.siteSettingsMessage;
-    dom.siteSettingsMessage.className = `form-message ${type}`;
+    if (!el) return;
-    setTimeout(hideSiteMessage, 5000);
+    el.textContent = text;
+    el.className = `form-message ${type}`;
+    
+    // Clear existing timeout if any (simplified)
+    if (el._msgTimeout) clearTimeout(el._msgTimeout);
+    el._msgTimeout = setTimeout(() => {
+      el.className = 'form-message';
+      el._msgTimeout = null;
+    }, 5000);
   }
 
-  function hideSiteMessage() {
+  function hideSiteMessage(target = null) {
-    dom.siteSettingsMessage.className = 'form-message';
+    const el = target || dom.siteSettingsMessage;
+    if (el) el.className = 'form-message';
   }
 
   async function saveChangePassword() {