优化无法登录的错误

server/geo-service.js

@@ -31,8 +31,19 @@ function normalizeGeo(geo) {
 }
 
 async function getLocation(target) {
-  // Normalize target (strip port if present)
+  // Normalize target (strip port if present, handle IPv6 brackets)
-  const cleanTarget = target.split(':')[0];
+  let cleanTarget = target;
+  if (cleanTarget.startsWith('[')) {
+    const closingBracket = cleanTarget.indexOf(']');
+    if (closingBracket !== -1) {
+      cleanTarget = cleanTarget.substring(1, closingBracket);
+    }
+  } else {
+    const parts = cleanTarget.split(':');
+    if (parts.length === 2) {
+      cleanTarget = parts[0];
+    }
+  }
 
   // 1. Check if we already have this IP/Domain in DB (FASTEST)
   try {

server/index.js

@@ -1090,7 +1090,21 @@ async function getOverview(force = false) {
   // --- Add Geo Information to Servers ---
   const geoServers = await Promise.all(overview.servers.map(async (server) => {
     const realInstance = server.originalInstance || prometheusService.resolveToken(server.instance);
-    const cleanIp = realInstance.split(':')[0];
+    // Helper to get host from instance (handles IPv6 with brackets, IPv4:port, etc.)
+    let cleanIp = realInstance;
+    if (cleanIp.startsWith('[')) {
+      const closingBracket = cleanIp.indexOf(']');
+      if (closingBracket !== -1) {
+        cleanIp = cleanIp.substring(1, closingBracket);
+      }
+    } else {
+      const parts = cleanIp.split(':');
+      // If exactly one colon, it's likely IPv4:port or host:port
+      if (parts.length === 2) {
+        cleanIp = parts[0];
+      }
+      // If more than 1 colon and no brackets, it's an IPv6 without port - keep as is
+    }
     
     let geoData = null;
     try {
@@ -1417,16 +1431,27 @@ async function broadcastMetrics() {
 async function start() {
   try {
     console.log('🔧 Initializing services...');
-    // Ensure DB is ready before starting anything else
+    
+    // 1. Initial check
+    await checkDb();
+
+    // 2. Automated repair/migration
     try {
       const dbFixed = await checkAndFixDatabase();
       if (dbFixed) {
-        // Re-run the local checkDb() to update isDbInitialized and other status variables
+        // Refresh state after fix
         await checkDb();
+        if (isDbInitialized) {
+          console.log('  ✅ Database integrity verified and initialized');
+        }
       }
     } catch (dbErr) {
-      console.warn('⚠️ Database initialization check encountered an error:', dbErr.message);
+      console.error('❌ Critical database initialization error:', dbErr.message);
-      // We don't necessarily crash here, but users will see the setup screen if isDbInitialized is false
+      // If we have an .env but can't connect, this is a fatal config error
+      if (fs.existsSync(path.join(__dirname, '..', '.env'))) {
+        console.error('  Please check your MYSQL settings in .env');
+        process.exit(1);
+      }
     }
     
     // Start services
@@ -1456,4 +1481,12 @@ async function start() {
   }
 }
 
+process.on('unhandledRejection', (reason, promise) => {
+  console.error('[System] Unhandled Rejection at:', promise, 'reason:', reason);
+});
+
+process.on('uncaughtException', (err) => {
+  console.error('[System] Uncaught Exception:', err);
+});
+
 start();