很多人都在找的VPN连接模块，开源共享，绝对可用，自行将源码编译后输出EC模块可直接使用。源码内包含注视，所有内容一目了然，希望对众位给予帮助-Many people are looking for a VPN connection module, open source sharing, absolutely available, will own the source code compiled EC output module can be used directly. Look inside the source code contains all the content at a glance, in the hope grateful for help