修復 too many connection 問題

app/api/debug-ip/route.ts

@@ -0,0 +1,59 @@
+// =====================================================
+// IP 調試 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { smartIPDetector } from '@/lib/smart-ip-detector';
+
+export async function GET(request: NextRequest) {
+  try {
+    // 使用智能 IP 偵測器
+    const ipDetection = smartIPDetector.detectClientIP(request);
+    
+    // 收集所有可能的 IP 信息
+    const ipInfo = {
+      // 智能偵測結果
+      smartDetection: ipDetection,
+      // 請求標頭
+      headers: {
+        'x-forwarded-for': request.headers.get('x-forwarded-for'),
+        'x-real-ip': request.headers.get('x-real-ip'),
+        'cf-connecting-ip': request.headers.get('cf-connecting-ip'),
+        'x-client-ip': request.headers.get('x-client-ip'),
+        'x-forwarded': request.headers.get('x-forwarded'),
+        'x-cluster-client-ip': request.headers.get('x-cluster-client-ip'),
+        'x-original-forwarded-for': request.headers.get('x-original-forwarded-for'),
+        'x-remote-addr': request.headers.get('x-remote-addr'),
+        'remote-addr': request.headers.get('remote-addr'),
+        'client-ip': request.headers.get('client-ip'),
+        'user-agent': request.headers.get('user-agent'),
+        'host': request.headers.get('host'),
+      },
+      // NextRequest 的 IP
+      nextRequestIP: request.ip,
+      // 環境變數
+      env: {
+        NODE_ENV: process.env.NODE_ENV,
+        VERCEL: process.env.VERCEL,
+        VERCEL_REGION: process.env.VERCEL_REGION,
+      },
+      // 所有標頭（用於調試）
+      allHeaders: Object.fromEntries(request.headers.entries()),
+    };
+
+    return NextResponse.json({
+      success: true,
+      message: 'IP 調試信息獲取成功',
+      data: ipInfo,
+      timestamp: new Date().toISOString()
+    });
+
+  } catch (error) {
+    console.error('❌ IP 調試 API 錯誤:', error);
+    return NextResponse.json({
+      success: false,
+      error: 'IP 調試失敗',
+      details: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}