修改版本

IRaCIS.Core.Application/Service/Reading/Dto/SegmentationViewModel.cs

@@ -59,6 +59,11 @@ public class SegmentationAddOrEdit
     /// </summary>
     public long FileSize { get; set; } = 0;
 
+    /// <summary>
+    /// SEGUpdateTime 更新时间
+    /// </summary>
+    public DateTime? SEGUpdateTime { get; set; }
+
 }
 
 public class SegmentationQuery:PageInput

IRaCIS.Core.Application/Service/Reading/Segment/SegmentationService.cs

@@ -77,8 +77,17 @@ public class SegmentationService(IRepository<Segmentation> _segmentationReposito
 
         if (addOrEditSegmentation.Id != null)
         {
+           var data=  await  _segmentationRepository.FirstOrDefaultNoTrackingAsync(x => x.Id == addOrEditSegmentation.Id);
+            if (addOrEditSegmentation.SEGUrl != data.SEGUrl)
+            {
+                addOrEditSegmentation.SEGUpdateTime = DateTime.Now;
+            }
+            else
+            {
+                addOrEditSegmentation.SEGUpdateTime = data.SEGUpdateTime;
+            }
 
-            await SaveSegmentationVersionAsync(new SaveSegmentationVersionAsyncInDto() { SegmentationId = addOrEditSegmentation.Id.Value,SEGUrl=addOrEditSegmentation.SEGUrl });
+                await SaveSegmentationVersionAsync(new SaveSegmentationVersionAsyncInDto() { SegmentationId = addOrEditSegmentation.Id.Value, SEGUrl = addOrEditSegmentation.SEGUrl });
         }
         var entity = await _segmentationRepository.InsertOrUpdateAsync(addOrEditSegmentation, true);
         return ResponseOutput.Ok(entity.Id.ToString());
@@ -98,7 +107,7 @@ public class SegmentationService(IRepository<Segmentation> _segmentationReposito
             .OrderByDescending(x => x.Version)
             .FirstOrDefaultAsync();
 
-        var startTime = maxVersion != null ? maxVersion.CreateTime : data.UpdateTime;
+        var startTime = maxVersion != null ? maxVersion.CreateTime :(data.SEGUpdateTime==null? DateTime.MinValue: data.SEGUpdateTime.Value);
 
         var segmentList = await _segmentRepository
             .Where(x=>x.CreateTime<= startTime)

IRaCIS.Core.Domain/Reading/Segment/Segmentation.cs

@@ -60,6 +60,11 @@ public class Segmentation : BaseFullDeleteAuditEntity
     [MaxLength]
     public string SEGUrl { get; set; } = string.Empty;
 
+    /// <summary>
+    /// SEGUpdateTime 更新时间
+    /// </summary>
+    public DateTime? SEGUpdateTime { get; set; }
+
     /// <summary>
     /// 文件大小，单位字节
     /// </summary>

IRaCIS.Core.Infra.EFCore/Migrations/20260512071158_SEGUpdateTime.cs

@@ -0,0 +1,29 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace IRaCIS.Core.Infra.EFCore.Migrations
+{
+    /// <inheritdoc />
+    public partial class SEGUpdateTime : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<DateTime>(
+                name: "SEGUpdateTime",
+                table: "Segmentation",
+                type: "datetime2",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "SEGUpdateTime",
+                table: "Segmentation");
+        }
+    }
+}

IRaCIS.Core.Infra.EFCore/Migrations/IRaCISDBContextModelSnapshot.cs

@@ -9505,6 +9505,9 @@ namespace IRaCIS.Core.Infra.EFCore.Migrations
                     b.Property<bool>("IsSaved")
                         .HasColumnType("bit");
 
+                    b.Property<DateTime?>("SEGUpdateTime")
+                        .HasColumnType("datetime2");
+
                     b.Property<string>("SEGUrl")
                         .IsRequired()
                         .HasColumnType("nvarchar(max)");