下载了OM13094: LPCXpresso54618 CAN-FD套件的CAN/CAN-FD drivers and examples for use with LPC5461x parts下的fd_callbacks例程,在编译过程中出现 Project fd_loopback has no MCU settings.Please install SDK SDK_2.x_LPC54618J512 to use this project.但是我已经安装了网页版SDK生成的SDK_2.x_LPC54618J512文件,求解决办法,谢谢