中文摘要：

e出于兼容性等方面的考虑，目前市面上常见的嵌入式智能设备多采用FAT文件系统。然而FAT文件系统由于设计上的缺陷导致实时性比较差。针对这个问题提出了一套简单易行的方案，在不影响兼容性的前提下大幅度改善了FAT文件系统的响应时间（实时性）。

英文摘要：

Most embedded smart devices in the market now use the FAT file system because of its compatibility.However,the FAT was not well designed to meet real time requirements.This article proposes a simple solution that greatly improves the response time of the FAT file system,without hurting its compatibility.