diff --git a/IRaCIS.Core.Application/Helper/FileConvertHelper.cs b/IRaCIS.Core.Application/Helper/FileConvertHelper.cs
index c79ec4916..fa6aa2324 100644
--- a/IRaCIS.Core.Application/Helper/FileConvertHelper.cs
+++ b/IRaCIS.Core.Application/Helper/FileConvertHelper.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -10,5 +11,29 @@ namespace IRaCIS.Core.Application.Helper
     {
 
 
+        static public void ConvertWordToPdf(string inputWordFilePath, string outputPdfDir)
+        {
+            // 设置 libreoffice 命令行参数
+            string arguments = $"--headless --invisible --convert-to pdf \"{inputWordFilePath}\" --outdir \"{outputPdfDir}\"";
+
+            // 启动 libreoffice 进程
+            using (Process process = new Process())
+            {
+                process.StartInfo.FileName = "libreoffice";
+                process.StartInfo.Arguments = arguments;
+                process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
+                process.StartInfo.RedirectStandardOutput = true;
+                process.StartInfo.RedirectStandardError = true;
+                process.StartInfo.UseShellExecute = false;
+                process.StartInfo.CreateNoWindow = true;
+
+                process.Start();
+
+                // 等待进程结束
+                process.WaitForExit();
+            }
+        }
+
+
     }
 }
diff --git a/IRaCIS.Core.Application/Service/Document/TrialEmailNoticeConfigService.cs b/IRaCIS.Core.Application/Service/Document/TrialEmailNoticeConfigService.cs
index fb598e65e..9a250344c 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialEmailNoticeConfigService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialEmailNoticeConfigService.cs
@@ -24,6 +24,8 @@ using Spire.Doc;
 using Microsoft.AspNetCore.Http;
 using System;
 using System.Runtime.InteropServices;
+using SharpCompress.Common;
+using SkiaSharp;
 
 namespace IRaCIS.Core.Application.Service
 {
@@ -59,7 +61,7 @@ namespace IRaCIS.Core.Application.Service
             IRepository<SubjectVisit> subjectVisitRepository,
             IRepository<TrialEmailBlackUser> trialEmailBlackUserRepository,
             IRepository<EmailNoticeConfig> emailNoticeConfigRepository
-,          IEmailSendService emailSendService
+, IEmailSendService emailSendService
             )
         {
             _trialEmailNoticeConfigRepository = trialEmailNoticeConfigRepository;
@@ -635,7 +637,7 @@ namespace IRaCIS.Core.Application.Service
                         FileStream = File.OpenRead(phyPath),
                     });
 
-                
+
                     await SendEmailHelper.SendEmailAsync(sendEmailConfig);
 
                     return string.Empty;
@@ -677,9 +679,17 @@ namespace IRaCIS.Core.Application.Service
                     }
                     else
                     {
+                        var wordStoreServerPath = Path.Combine(Path.GetDirectoryName(serverFilePath), Path.GetFileNameWithoutExtension(serverFilePath)+".docx"); 
+                         
+                        using (FileStream fileStream = new FileStream(wordStoreServerPath, FileMode.Create, FileAccess.Write))
+                        {
+                            wordMemoryStream.WriteTo(fileStream);
+                        }
+                        FileConvertHelper.ConvertWordToPdf(wordStoreServerPath, Path.GetDirectoryName(serverFilePath));
 
+                        File.Delete(wordStoreServerPath);
                     }
-                    
+
 
 
                 }
@@ -697,25 +707,39 @@ namespace IRaCIS.Core.Application.Service
                 {
 
 
-                    MemoryStream memoryStream = new MemoryStream();
+                    MemoryStream wordMemoryStream = new MemoryStream();
                     MemoryStream pdfMemoryStream = new MemoryStream();
 
 
-                    MiniSoftware.MiniWord.SaveAsByTemplate(memoryStream, path, value);
+                    MiniSoftware.MiniWord.SaveAsByTemplate(wordMemoryStream, path, value);
 
                     if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                     {
                         Document document = new Document();
-                        document.LoadFromStream(memoryStream, FileFormat.Docx);
+                        document.LoadFromStream(wordMemoryStream, FileFormat.Docx);
                         document.SaveToStream(pdfMemoryStream, FileFormat.PDF);
+                       
                     }
                     else
                     {
+                        var wordStoreServerPath = Path.Combine(Path.GetDirectoryName(serverFilePath), Path.GetFileNameWithoutExtension(serverFilePath) + ".docx");
+
+                        using (FileStream fileStream = new FileStream(wordStoreServerPath, FileMode.Create, FileAccess.Write))
+                        {
+                            wordMemoryStream.WriteTo(fileStream);
+                        }
+                        FileConvertHelper.ConvertWordToPdf(wordStoreServerPath, Path.GetDirectoryName(serverFilePath));
+
+                        File.Delete(wordStoreServerPath);
+
+                        using (FileStream fileStream = new FileStream(serverFilePath, FileMode.Open, FileAccess.Read))
+                        {
+                            fileStream.CopyTo(pdfMemoryStream);
+                        }
 
                     }
-                  
-                    pdfMemoryStream.Seek(0, SeekOrigin.Begin);
 
+                    pdfMemoryStream.Seek(0, SeekOrigin.Begin);
                     sendEmailConfig.EmailAttachMentConfigList.Add(new EmailAttachMentConfig()
                     {
                         FileName = $"{taskInfo.SubjectCode}_{Path.GetFileNameWithoutExtension(_userInfo.IsEn_Us ? trialEmailConfig.AttachName : trialEmailConfig.AttachNameCN)}.pdf",