diff --git a/IRaCIS.Core.Application/Service/Common/DTO/EmailNoticeConfigViewModel.cs b/IRaCIS.Core.Application/Service/Common/DTO/EmailNoticeConfigViewModel.cs
index 52407a4a6..96f1a3ece 100644
--- a/IRaCIS.Core.Application/Service/Common/DTO/EmailNoticeConfigViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Common/DTO/EmailNoticeConfigViewModel.cs
@@ -157,6 +157,42 @@ namespace IRaCIS.Core.Application.Contracts
         public string EmailTopicCN { get; set; } = string.Empty;
     }
 
+    /// <summary>
+    /// 手动发送项目邮件请求参数
+    /// </summary>
+    public class ManualSendEmailCommand
+    {
+        [NotDefault]
+        public Guid TrialId { get; set; }
+
+        /// <summary>
+        /// 收件人邮箱列表
+        /// </summary>
+        public List<EmailRecipientCommand> ToEmailList { get; set; } = new();
+
+        /// <summary>
+        /// 抄送人邮箱列表
+        /// </summary>
+        public List<EmailRecipientCommand> CcEmailList { get; set; } = new();
+
+        public string Subject { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 邮件 HTML 内容
+        /// </summary>
+        public string Content { get; set; } = string.Empty;
+    }
+
+    /// <summary>
+    /// 邮件收件人信息
+    /// </summary>
+    public class EmailRecipientCommand
+    {
+        public string Name { get; set; } = string.Empty;
+
+        public string EmailAddress { get; set; } = string.Empty;
+    }
+
 
     public class EmailNoticeConfigExportDto
     {
diff --git a/IRaCIS.Core.Application/Service/Common/EmailNoticeConfigService.cs b/IRaCIS.Core.Application/Service/Common/EmailNoticeConfigService.cs
index 9722e3ad5..34fe74245 100644
--- a/IRaCIS.Core.Application/Service/Common/EmailNoticeConfigService.cs
+++ b/IRaCIS.Core.Application/Service/Common/EmailNoticeConfigService.cs
@@ -11,6 +11,7 @@ using MailKit.Search;
 using MailKit.Security;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Options;
+using MimeKit;
 using System.Text.RegularExpressions;
 
 namespace IRaCIS.Core.Application.Contracts
@@ -21,11 +22,47 @@ namespace IRaCIS.Core.Application.Contracts
     [ApiExplorerSettings(GroupName = "Common")]
     public class EmailNoticeConfigService(IRepository<EmailNoticeConfig> _emailNoticeConfigrepository,
         IRepository<EmailNoticeUserType> _emailNoticeUserTypeRepository,
+        IRepository<Trial> _trialRepository,
             IOptionsMonitor<SystemEmailSendConfig> systemEmailConfig,
         IMapper _mapper, IUserInfo _userInfo, IStringLocalizer _localizer) : BaseService, IEmailNoticeConfigService
     {
         private readonly SystemEmailSendConfig _systemEmailConfig = systemEmailConfig.CurrentValue;
 
+        /// <summary>
+        /// 根据项目邮件配置手动发送邮件
+        /// </summary>
+        [HttpPost]
+        public async Task<IResponseOutput> ManualSendEmail(ManualSendEmailCommand inDto)
+        {
+            var trial = await _trialRepository.Where(t => t.Id == inDto.TrialId).FirstNotNullAsync();
+
+            var messageToSend = new MimeMessage
+            {
+                Subject = inDto.Subject
+            };
+
+            messageToSend.From.Add(new MailboxAddress(trial.EmailFromName, trial.EmailFromEmail));
+
+            foreach (var recipient in inDto.ToEmailList.Where(t => !string.IsNullOrWhiteSpace(t.EmailAddress)))
+            {
+                messageToSend.To.Add(new MailboxAddress(recipient.Name, recipient.EmailAddress));
+            }
+
+            foreach (var recipient in inDto.CcEmailList.Where(t => !string.IsNullOrWhiteSpace(t.EmailAddress)))
+            {
+                messageToSend.Cc.Add(new MailboxAddress(recipient.Name, recipient.EmailAddress));
+            }
+
+            messageToSend.Body = new BodyBuilder
+            {
+                HtmlBody = inDto.Content
+            }.ToMessageBody();
+
+            await SendEmailHelper.SendTrialEmailAsync(messageToSend, trial);
+
+            return ResponseOutput.Ok();
+        }
+
         /// <summary>
         /// 获取邮件列表
         /// </summary>
diff --git a/IRaCIS.Core.Application/Service/Common/Interface/IEmailNoticeConfigService.cs b/IRaCIS.Core.Application/Service/Common/Interface/IEmailNoticeConfigService.cs
index eca5e5fe6..e994e76e6 100644
--- a/IRaCIS.Core.Application/Service/Common/Interface/IEmailNoticeConfigService.cs
+++ b/IRaCIS.Core.Application/Service/Common/Interface/IEmailNoticeConfigService.cs
@@ -11,5 +11,6 @@ namespace IRaCIS.Core.Application.Contracts
         Task<IResponseOutput> AddOrUpdateEmailNoticeConfig(EmailNoticeConfigAddOrEdit addOrEditEmailNoticeConfig);
         Task<IResponseOutput> DeleteEmailNoticeConfig(Guid emailNoticeConfigId);
         Task<PageOutput<EmailNoticeConfigView>> GetEmailNoticeConfigList(EmailNoticeConfigQuery queryEmailNoticeConfig);
+        Task<IResponseOutput> ManualSendEmail(ManualSendEmailCommand inDto);
     }
-}
\ No newline at end of file
+}