添加错误修复

server/geo-service.js

@@ -1,4 +1,6 @@
 const axios = require('axios');
+const net = require('net');
+const dns = require('dns').promises;
 const db = require('./db');
 
 /**
@@ -27,9 +29,22 @@ function normalizeGeo(geo) {
   return geo;
 }
 
-async function getLocation(ip) {
-  // Normalize IP (strip port if present)
-  const cleanIp = ip.split(':')[0];
+async function getLocation(target) {
+  // Normalize target (strip port if present)
+  const cleanTarget = target.split(':')[0];
+
+  // Resolve domain to IP if needed
+  let cleanIp = cleanTarget;
+  if (net.isIP(cleanTarget) === 0) {
+    try {
+      console.log(`[Geo Service] Resolving domain to IP: ${cleanTarget}`);
+      const lookup = await dns.lookup(cleanTarget);
+      cleanIp = lookup.address;
+    } catch (err) {
+      console.error(`[Geo Service] DNS resolution failed for ${cleanTarget}:`, err.message);
+      return null;
+    }
+  }
 
   // Skip local/reserved IPs
   if (isLocalIp(cleanIp)) {