dotnet OpenXML 修复 Office 文档里面包含格式不正确的 Uri 而无法解析

DocumentFormat.OpenXml.Packaging.OpenXmlPackageException:“A malformed URI was found in the document. Please provide a OpenSettings.RelationshipErrorRewriter to handle these errors while opening a package.”

DocumentFormat.OpenXml.Packaging.OpenXmlPackageException: Invalid Hyperlink: Malformed URI is embedded as a hyperlink in the document.
   at DocumentFormat.OpenXml.Packaging.OpenXmlPackage.Load() in OpenXmlPackage.cs: line 490
   at DocumentFormat.OpenXml.Packaging.OpenXmlPackage.OpenCore(String path, Boolean readWriteMode) in OpenXmlPackage.cs: line 402
   at DocumentFormat.OpenXml.Packaging.WordprocessingDocument.Open(String path, Boolean isEditable, OpenSettings openSettings) in PackageDocument.cs: line 297
   at  DocumentFormat.OpenXml.Packaging.WordprocessingDocument.Open(String path, Boolean isEditable) in PackageDocument.cs: line 256

   at System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind)
   at System.Uri..ctor(String uriString, UriKind uriKind)
   at MS.Internal.IO.Packaging.InternalRelationshipCollection.ProcessRelationshipAttributes(XmlCompatibilityReader reader)
   at MS.Internal.IO.Packaging.InternalRelationshipCollection.ParseRelationshipPart(PackagePart part)
   at MS.Internal.IO.Packaging.InternalRelationshipCollection..ctor(Package package, PackagePart part)
   at System.IO.Packaging.PackagePart.EnsureRelationships()
   at System.IO.Packaging.PackagePart.GetRelationshipsHelper(String filterString)
   at System.IO.Packaging.PackagePart.GetRelationships()
   at DocumentFormat.OpenXml.Packaging.PackagePartRelationshipPropertyCollection..ctor(PackagePart packagePart)
   at DocumentFormat.OpenXml.Packaging.OpenXmlPart.Load(OpenXmlPackage openXmlPackage, OpenXmlPart parent, Uri uriTarget, String id, Dictionary`2 loadedParts)
   at DocumentFormat.OpenXml.Packaging.OpenXmlPartContainer.LoadReferencedPartsAndRelationships(OpenXmlPackage openXmlPackage, OpenXmlPart sourcePart, RelationshipCollection relationshipCollection, Dictionary`2 loadedParts)
   at DocumentFormat.OpenXml.Packaging.OpenXmlPackage.Load()

  <si>
    <t xml:space="preserve">mailto:mailto@one@ </t>
  </si>

            var openSettings = new OpenSettings()
            {
                RelationshipErrorHandlerFactory = RelationshipErrorHandler.CreateRewriterFactory(Rewriter)
            };

        /// <summary>
        /// 表示如何重写修复超链接格式
        /// </summary>
        /// <param name="partUri">这个 <paramref name="uri"/> 属于哪个文档 Part 内容，值如 /xl/worksheets/_rels/sheet1.xml.rels 等</param>
        /// <param name="id">这个资源的值</param>
        /// <param name="uri">格式不对的 Uri 内容</param>
        /// <returns></returns>
        static string Rewriter(Uri partUri, string id, string uri)
            => $"http://unknown?id={id}";

            using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
            {
                using (SpreadsheetDocument doc = SpreadsheetDocument.Open(fs, isEditable: true, openSettings))
                {

                }
            }