用Import-SPWeb将一个List导入到另一个server中，List的Author字段全部变成了自己名字
对啊，因为是你import的啊
Migration tool. Or use code, using system.update()
http-://social.msdn.microsoft.-com/Forums/en-US/sharepointdevelopmentprevious/thread/1edf1771-23e7-43ed-b064-2d315ba51b4b
If u like powershell. Here is some sample code