1.CAUTION:Installation of GSD files cannot be undone.Do you still want to continue the action?
我选择的是“yes"
2.An update is presently not possible .In one or more STEP7 applications at least one GSD file or type file is being referenced

这样安装我在库那边能找到电表的GSD文件，问题是我总是连接埠上，怀疑是不是我装的GSD文件有没有问题，望高手能指点，谢谢！