Chinese display incorrectly

byte[] byteTemplate = File.ReadAllBytes("test.pdf");

MemoryStream ms = new MemoryStream(byteTemplate);

Aspose.Pdf.Document pdfDoc = null;

pdfDoc = new Aspose.Pdf.Document(ms);

string[,] temp = new string[,] { { "[TEMP_ENG]", "Hello!" }, { "[TEMP_CHI]", "你好!" } };

if (pdfDoc != null)

{

for (int i = 0; i <= temp.GetUpperBound(0); i++)

{

Aspose.Pdf.Text.TextFragmentAbsorber textFragmentAbsorber = new Aspose.Pdf.Text.TextFragmentAbsorber(temp[i, 0]);

pdfDoc.Pages.Accept(textFragmentAbsorber);

Aspose.Pdf.Text.TextFragmentCollection textFragmentCollection = textFragmentAbsorber.TextFragments;

foreach (Aspose.Pdf.Text.TextFragment textFragment in textFragmentCollection)

{

textFragment.Text = temp[i, 1];

}

}

}

pdfDoc.Flatten();

System.IO.MemoryStream pdfStream = new System.IO.MemoryStream();

pdfDoc.Save(pdfStream);

byte[] resultFile = new byte[pdfStream.Length];

pdfStream.Seek(0, System.IO.SeekOrigin.Begin);

pdfStream.Read(resultFile, 0, (int)pdfStream.Length);

pdfStream.Close();

string fileName = DateTime.Now.ToString("hhmmss") + ".pdf";

File.WriteAllBytes(fileName, resultFile);

ms.Close();