'DB_SQL_BUILD_CACHE' => true, // 数据库查询的SQL创建缓存
'DB_SQL_BUILD_LENGTH' => 5, // SQL缓存的队列长度


Maximum execution time of 30 seconds exceeded
错误位置
FILE: D:\wamp\www\dayin\App\ThinkPHP\Lib\Driver\Cache\CacheFile.class.php 　LINE: 140