Fatal error: Out of memory (allocated 4194304) (tried to allocate 20480 bytes) in D:\project\www.sdctf.com\thinkphp\library\think\Facade.php on line 123

Fatal error: Out of memory (allocated 4194304) (tried to allocate 20480 bytes) in D:\project\www.sdctf.com\thinkphp\library\think\Error.php on line 86