<%@ Page language="C#" Inherits="Microsoft.SharePoint.Publishing.PublishingLayoutPage,Microsoft.SharePoint.Publishing,Version=14.0.0.0,Culture=neutral,PublicKeyToken=71e9bce111e9429c" %>
改为
<%@ Page language="C#" Inherits="Microsoft.SharePoint.WebPartPages.WebPartPage, Microsoft.SharePoint, Version=14.0.0.0,Culture=neutral,PublicKeyToken=71e9bce111e9429c" MasterPageFile="/_catalogs/masterpage/xxxx/customize.master" %>