https://github.com/cefsharp/CefSharp/issues/3319
CefSharp.Core.Runtime.dll will need to be distributed with your application.
https://github.com/cefsharp/CefSharp/wiki/CefSharp%E4%B8%AD%E6%96%87%E5%B8%AE%E5%8A%A9%E6%96%87%E6%A1%A3
两个方式实验
第一个 打包放到文件,第二个把文件下所有内容取出来放
https://github.com/cefsharp/CefSharp/wiki/CefSharp%E4%B8%AD%E6%96%87%E5%B8%AE%E5%8A%A9%E6%96%87%E6%A1%A3
https://github.com/cefsharp/CefSharp/wiki/Output-files-description-table-%28Redistribution%29