fix(platform): avoid fake redis online keys

vehicle-data-platform/apps/web/src/pages/Quality.tsx

@@ -41,7 +41,7 @@ export function Quality() {
       <PageHeader title="数据质量" description="断链、VIN 缺失、字段缺失和链路健康的排查入口" />
       <Row gutter={16}>
         <Col span={8}><Card bordered title="Kafka Lag">{formatLag(health?.kafkaLag)}</Card></Col>
-        <Col span={8}><Card bordered title="Redis 在线 Key">{health?.redisOnlineKeys ?? 0}</Card></Col>
+        <Col span={8}><Card bordered title="Redis 在线 Key">{formatLag(health?.redisOnlineKeys)}</Card></Col>
         <Col span={8}><Card bordered title="存储写入">{health?.tdengineWritable && health.mysqlWritable ? '正常' : '异常'}</Card></Col>
       </Row>
       <Card bordered title="质量问题" style={{ marginTop: 16 }}>