diff --git a/YD_Event.Application/Scoring/ScoreSheetCalculationService.cs b/YD_Event.Application/Scoring/ScoreSheetCalculationService.cs
index 0a3cb5b..bf18017 100644
--- a/YD_Event.Application/Scoring/ScoreSheetCalculationService.cs
+++ b/YD_Event.Application/Scoring/ScoreSheetCalculationService.cs
@@ -353,6 +353,25 @@ public static class ScoreSheetCalculationService
                 : Math.Clamp(Math.Round(raw, 0, MidpointRounding.AwayFromZero), dimension.MinValue, dimension.MaxValue);
             weighted += value * dimension.DimensionWeight!.Value;
 
+            if (performanceFailureCount > 0m)
+            {
+                result.Lines.Add(new ScoreSheetLine
+                {
+                    ScoreRuleItemId = dimension.Item.Id,
+                    ItemCode = $"{dimension.DimensionCode}_FAILURE_MINUS",
+                    ItemName = $"{dimension.Item.ItemName}(失误联动减数量)",
+                    ItemType = dimension.Item.ItemType,
+                    ScoreDimension = dimension.Item.ScoreDimension,
+                    CountValue = performanceFailureCount,
+                    UnitValue = dimension.Item.UnitValue ?? 1m,
+                    Subtotal = -performanceFailureCount * (dimension.Item.UnitValue ?? 1m),
+                    Sort = dimension.Item.Sort,
+                    IsAutoGenerated = true,
+                    ParentItemCode = failure?.ItemCode,
+                    SubjectCode = dimension.SubjectCode
+                });
+            }
+
             result.Lines.Add(new ScoreSheetLine
             {
                 ScoreRuleItemId = dimension.Item.Id, ItemCode = dimension.ItemCode, ItemName = dimension.Item.ItemName,
diff --git a/YD_Event.Application/Workbench/Dtos/WorkbenchDtos.cs b/YD_Event.Application/Workbench/Dtos/WorkbenchDtos.cs
index 0918c73..9669812 100644
--- a/YD_Event.Application/Workbench/Dtos/WorkbenchDtos.cs
+++ b/YD_Event.Application/Workbench/Dtos/WorkbenchDtos.cs
@@ -611,6 +611,16 @@ public class WorkbenchScoreItemDto
     /// </summary>
     public decimal Subtotal { get; set; }
 
+    /// <summary>
+    /// 是否由服务端联动生成
+    /// </summary>
+    public bool IsAutoGenerated { get; set; }
+
+    /// <summary>
+    /// 联动来源评分项编码
+    /// </summary>
+    public string? ParentItemCode { get; set; }
+
     /// <summary>
     /// 排序号
     /// </summary>
diff --git a/YD_Event.Application/Workbench/WorkbenchController.cs b/YD_Event.Application/Workbench/WorkbenchController.cs
index f1af823..54e42e2 100644
--- a/YD_Event.Application/Workbench/WorkbenchController.cs
+++ b/YD_Event.Application/Workbench/WorkbenchController.cs
@@ -395,6 +395,8 @@ public class WorkbenchController : IDynamicApiController
                 d.CountValue,
                 d.InputValue,
                 d.Subtotal,
+                d.IsAutoGenerated,
+                d.ParentItemCode,
                 d.Sort
             }).ToListAsync();
 
@@ -445,6 +447,8 @@ public class WorkbenchController : IDynamicApiController
                 CountValue = d.CountValue,
                 InputValue = d.InputValue,
                 Subtotal = d.Subtotal,
+                IsAutoGenerated = d.IsAutoGenerated,
+                ParentItemCode = d.ParentItemCode,
                 Sort = d.Sort
             }).ToList()
         };