报异常，说什么未处理comexception，数值超范围！！！
恳请大神指教！！！！
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MSWord = Microsoft.Office.Interop.Word;
using
using System.Reflection;

namespace Addgeshihuawenben
{
    class Program
    {
        static void Main(string[] args)
        {
            object path;
            string strContent;
            MSWord.Application wordApp;
            MSWord.Document wordDoc;
            path = @"C:\Users\Administrator\Desktop\MyWord2.doc";
            wordApp = new MSWord.ApplicationClass();
            if (File.Exists((string)path))
            {
                File.Delete((string)path);
            }
            Object Nothing = Missing.Value;
            wordDoc = wordApp.Documents.Add(ref Nothing, ref Nothing, ref Nothing, ref Nothing);
            strContent = "普通文本普通文本普通文本普通文本普通文本\n";
            wordDoc.Paragraphs.Last.Range.Text = strContent;
            strContent = "黑体文本黑体文本黑体文本黑体文本黑体文本\n";
            wordDoc.Paragraphs.Last.Range.Font.Name = "黑体";
            wordDoc.Paragraphs.Last.Range.Text = strContent;
            strContent = "加粗文本加粗文本加粗文本加粗文本加粗文本\n";
            wordDoc.Paragraphs.Last.Range.Font.Bold = 1;
            wordDoc.Paragraphs.Last.Range.Text = strContent;
            wordDoc.Paragraphs.Last.Range.Font.Size = 15;
            wordDoc.Paragraphs.Last.Range.Text = strContent;
            strContent = "斜体文本斜体文本斜体文本斜体文本斜体文本\n";
            wordDoc.Paragraphs.Last.Range.Font.Italic = 1;
            strContent = "蓝色文本蓝色文本蓝色文本蓝色文本蓝色文本\n";
            wordDoc.Paragraphs.Last.Range.Font.Color = MSWord.WdColor.wdColorBlue;
            wordDoc.Paragraphs.Last.Range.Text = strContent;
            strContent = "下划线文本下划线文本下划线文本下划线文本下划线文本\n";
            wordDoc.Paragraphs.Last.Range.Font.Underline = MSWord.WdUnderline.wdUnderlineThick;
            wordDoc.Paragraphs.Last.Range.Text = strContent;
            strContent = "红色下划线文本红色下划线文本红色下划线文本红色下划线文本红色下划线文本\n";
            wordDoc.Paragraphs.Last.Range.Font.Underline = MSWord.WdUnderline.wdUnderlineThick;
            wordDoc.Paragraphs.Last.Range.Text = strContent;
            object format = MSWord.WdSaveFormat.wdFormatDocumentDefault;
            wordDoc.SaveAs(ref path, ref format, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing,ref Nothing);
            wordDoc.Close(ref Nothing, ref Nothing, ref Nothing);
            wordApp.Quit(ref Nothing, ref Nothing, ref Nothing);
            Console.WriteLine(path + "创建完毕！");
            Console.ReadKey();
        }
    }
}

使用 Spire.Office for .NET,您可以创建大量的用于处理办公文档的应用程序。对文档的操作包括打开，创建，修改，转换，打印，浏览 Word、Excel、PowerPoint® 和 PDF 文档，以及将数据从数据源导出为常用的文档格式，例如：Word，Excel，RTF，Access，PowerPoint，PDF，XPS，HTML，XML，Text，CSV，DBF 和剪贴版等格式。例如：

//创建一个Document实例
Document doc = new Document();
//添加一个section
Section s = doc.AddSection();
//添加三个段落并写入文字
Paragraph para1 = s.AddParagraph();
para1.AppendText("欢迎使用Spire.Doc");            
Paragraph para2 = s.AddParagraph();
para2.AppendText("Spire.Doc for .NET是一款专门对Word文档进行操作的.NET类库。"+
   "这款控件的主要功能在于帮助开发人员轻松快捷高效地创建、编辑、转换和打印Microsoft"+
    "Word文档。作为一款独立的Word .NET控件，Spire.Doc for .NET的运行系统（服务"+
    "器端或客户端）均无需安装 Microsoft Word，但是它却可以将 Microsoft Word 文档的操"+
    "作功能集成到任何开发人员的 .NET 应用程序中。");            
Paragraph para3 = s.AddParagraph();
para3.AppendText("Spire.Doc for .NET 能执行多种Microsoft Word文档处理任务的.NET "+
    "API。支持 Word97-2003，Word2007，Word2010 以及 Word2013。能在 Word 97/2003/2007/2010/2013"+
    "和XML、RTF、TXT、XPS、EPUB、EMF、HTML等格式文件之间进行双向转换，还能将Word文件高"+
    "质量地转换为PDF和SVG文件格式。");
//将第一段作为标题，设置标题格式
ParagraphStyle style1 = new ParagraphStyle(doc);
style1.Name = "titleStyle";
style1.CharacterFormat.Bold = true;
style1.CharacterFormat.TextColor = Color.Purple;
style1.CharacterFormat.FontName = "宋体";
style1.CharacterFormat.FontSize = 12f;
doc.Styles.Add(style1);
para1.ApplyStyle("titleStyle");
//设置其余两个段落的格式
ParagraphStyle style2 = new ParagraphStyle(doc);
style2.Name = "paraStyle";
style2.CharacterFormat.FontName = "宋体";
style2.CharacterFormat.FontSize = 11f;
doc.Styles.Add(style2);
para2.ApplyStyle("paraStyle");
para3.ApplyStyle("paraStyle");
//设置三个段落的对齐方式
para1.Format.HorizontalAlignment = HorizontalAlignment.Center;
para2.Format.HorizontalAlignment = HorizontalAlignment.Justify;
para3.Format.HorizontalAlignment = HorizontalAlignment.Justify;
//设置段首缩进
para2.Format.FirstLineIndent = 30f;
para3.Format.FirstLineIndent= 30f;
//设置段落之间的间距
para1.Format.AfterSpacing = 15f;
para2.Format.AfterSpacing = 10f;
//保存文档
doc.SaveToFile("First_Word_Document.docx", FileFormat.Docx2013);