init

frontend/src/pages/Dashboard.tsx

@@ -7,7 +7,7 @@ import {
   Filter, Eye, BarChart3,
 } from 'lucide-react';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
-import { statusMap, statusColorMap, dbTypeColorMap } from '@/lib/mock';
+import { statusMap, statusColorMap, dbTypeColorMap } from '@/lib/constants';
 import type { DBInstance } from '@/types';
 import { useTheme } from '@/hooks/useTheme';
 import { useAuth } from '@/hooks/useAuth';
@@ -159,14 +159,7 @@ export default function Dashboard() {
   useEffect(() => {
     dashboardApi.getStats()
       .then(data => setStats(data))
-      .catch(() => {
-        /* fallback: mock data */
-        setStats({
-          ticket_total: 128, ticket_pending: 23, ticket_month: 342,
-          ticket_executing: 3, instance_total: 11, instance_online: 8,
-          user_total: 7, queries_today: 15234,
-        });
-      })
+      .catch(() => setStats(null))
       .finally(() => setLoading(false));
   }, []);
 
@@ -348,7 +341,6 @@ export default function Dashboard() {
     { label: '新建工单', icon: FileText, href: '/tickets', color: 'text-blue-400', bg: 'bg-blue-400/10', border: 'border-blue-400/20' },
     { label: '新建查询', icon: Search, href: '/queries', color: 'text-green-400', bg: 'bg-green-400/10', border: 'border-green-400/20' },
     { label: '添加实例', icon: Database, href: '/instances', color: 'text-purple-400', bg: 'bg-purple-400/10', border: 'border-purple-400/20' },
-    { label: '查看报表', icon: BarChart3, href: '/slow-query', color: 'text-orange-400', bg: 'bg-orange-400/10', border: 'border-orange-400/20' },
   ];
 
   const TrendIcon = ({ trend }: { trend: 'up' | 'down' | 'neutral' }) => {