Aiming at the deficiencies of foreign DIAS as small storage space, complex edition and slow update speed in language files, the update and improvement is made to DIAS.

• 摘要针对原进口车辆数字报站器(DIAS)存在存储空间小、编辑方式复杂、更新语音文件速度慢等弊端，对DIAS进行了国产化升级改进。