diff --git a/IRaCIS.Core.Application/Service/Document/TrialFileTypeService.cs b/IRaCIS.Core.Application/Service/Document/TrialFileTypeService.cs
index 4cb7ed22d..e4b67ac2c 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialFileTypeService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialFileTypeService.cs
@@ -105,6 +105,7 @@ public class TrialFileTypeService(IRepository<TrialFileType> _trialFileTypeRepos
         return ResponseOutput.Ok();
     }
 
+
     /// <summary>
     /// 复制系统数据到项目
     /// </summary>
@@ -217,6 +218,23 @@ public class TrialFileTypeService(IRepository<TrialFileType> _trialFileTypeRepos
         var file = await _trialFileRepository.Where(x => x.Id == trialFileType.FileRecordId).ProjectTo<TrialFileDto>(_mapper.ConfigurationProvider).FirstNotNullAsync();
         return file;
     }
+
+
+    /// <summary>
+    /// 删除入项记录
+    /// </summary>
+    /// <param name="trialFileTypeId"></param>
+    /// <returns></returns>
+    [HttpPost]
+    public async Task<IResponseOutput> DeleteTrialTypeFile(Guid trialFileTypeId)
+    {
+        var trialFileType = await _trialFileTypeRepository.Where(x => x.Id == trialFileTypeId).FirstNotNullAsync();
+
+        await _trialFileRepository.DeleteFromQueryAsync(x => x.Id == trialFileType.FileRecordId, true);
+        await _trialFileTypeRepository.UpdatePartialFromQueryAsync(x => x.Id == trialFileTypeId, x => new TrialFileType() { FileRecordId = null }, true);
+        return ResponseOutput.Ok();
+    }
+
 }