MT4 execution program, deciphering into source files。MT4执行程序，解密为源文件

I have an EA that can execute MT4, with the suffix:. ex4. Please translate it into a source file and request 100% restoration. After that, add the expiration date and the parameter column in Chinese。

我有一个可执行MT4的EA，后缀是：.ex4，请翻译为源文件，要求100%还原，之后添加使用有效期，参数栏等用中文表示