Fatal error: Out of memory (allocated 2097152) (tried to allocate 4096 bytes) in C:\phpstudy_pro\WWW\aoshuainew\thinkphp\library\think\db\Connection.php on line 578

Fatal error: Out of memory (allocated 2097152) (tried to allocate 4096 bytes) in C:\phpstudy_pro\WWW\aoshuainew\thinkphp\library\think\Loader.php on line 84