回答：

这个问题一直困扰着我，找了很多，唯一这个可以解决问题。

使用方法：将下面这段代码复制粘贴到文本工具当中，另存为Jsx格式文件。再PS打开有问题的文档，「文件」——「脚本」——「浏览...」选择保存的Jsx格式文件即可解决。

functiondeleteDocumentAncestorsMetadata(){

whatApp=String(app.name);//Stringversionoftheappname

if(whatApp.search("Photoshop")>0){//Checkforphotoshopspecifically,orthiswillcauseerrors

//FunctionScrubsDocumentAncestorsfromFiles

if(!documents.length){

alert("Therearenoopendocuments.Pleaseopenafiletorunthisscript.")

return;

}

if(ExternalObject.AdobeXMPScript==undefined)ExternalObject.AdobeXMPScript=newExternalObject("lib:AdobeXMPScript");

varxmp=newXMPMeta(activeDocument.xmpMetadata.rawData);

//BegonefoulDocumentAncestors!

xmp.deleteProperty(XMPConst.NS_PHOTOSHOP,"DocumentAncestors");

app.activeDocument.xmpMetadata.rawData=xmp.serialize();

}

}

//Nowrunthefunctiontoremovethedocumentancestors

deleteDocumentAncestorsMetadata();