在fckconfig.js中找到FCKConfig.LinkBrowseURL将其后面改为:
FCKConfig.LinkBrowserURL = FCKConfig.BasePath + 'filemanager/browser/default/browser.html?Type=File&Connector=' + encodeURIComponent( FCKConfig.BasePath + 'filemanager/connectors/' + _FileBrowserLanguage + '/connector.' + _FileBrowserExtension ) ;

即增加了"?Type=File",同样,找到FCKConfig.LinkUploadURL修改为
FCKConfig.LinkUploadURL = FCKConfig.BasePath + 'filemanager/connectors/' + _QuickUploadLanguage + '/upload.'
+ _QuickUploadExtension+'?Type=File' ;

如此即可解决此问题.