求助啊 出现字符集错误急啊 麻烦各位大虾帮帮忙

[fei5111291]

我老师给我了一个仿真程序 我打开是出现 如下错误
麻烦帮我解决啊 急
unable to load model file .... due to the presence of characters that are not supported in the current character encoding
set gbk either