Warning: Redis::connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /www/wwwroot/page.beike.cn/library/RedisCache.php on line 15

Fatal error: Uncaught RedisException: php_network_getaddresses: getaddrinfo failed: Name or service not known in /www/wwwroot/page.beike.cn/library/RedisCache.php:15 Stack trace: #0 /www/wwwroot/page.beike.cn/library/RedisCache.php(15): Redis->connect('', NULL) #1 /www/wwwroot/page.beike.cn/library/RedisCache.php(25): RedisCache->__construct() #2 /www/wwwroot/page.beike.cn/index.php(223): RedisCache::getInstance() #3 {main} thrown in /www/wwwroot/page.beike.cn/library/RedisCache.php on line 15