[NodeSeek] 腾讯云2G内存变1.4G？

腾讯云2G内存变1.4G？
腾讯云轻量无忧，怎么内存变1.4G了实例规格CPU-1核内存-2GB系统盘-SSD云硬盘50GiB流量包-500GB/月（带宽：5Mbps）root@VM-8-17-ubuntu:~#free-htotalusedfreesharedbuff/cacheavailableMem:1.4Gi276Mi521Mi2.