diff --git a/MDM/Services/Material/MaterialBomService.cs b/MDM/Services/Material/MaterialBomService.cs
index a09c6ed..3bed534 100644
--- a/MDM/Services/Material/MaterialBomService.cs
+++ b/MDM/Services/Material/MaterialBomService.cs
@@ -52,34 +52,43 @@ namespace MDM.Services.Material
         {
             var predicate = Expressionable.Create<MaterialBom>()
                 .AndIF(!string.IsNullOrEmpty(parm.InvCode), it => it.InvCode.Contains(parm.InvCode))
-                .AndIF(!string.IsNullOrEmpty(parm.SubInvCode), it => it.SubInvCode.Contains(parm.SubInvCode))
-                ;
+                .AndIF(!string.IsNullOrEmpty(parm.SubInvCode), it => it.SubInvCode.Contains(parm.SubInvCode));
 
             var query = Context.Queryable<MaterialBom>()
-                .Where(predicate.ToExpression())
-                .GroupBy(it => it.InvCode)
-                .Select(it => new MaterialBomDto()
-                {
+            .Where(predicate.ToExpression())
+            .GroupBy(it => it.InvCode)
+            .Select(it => new MaterialBomDto()
+            {
+                Id = SqlFunc.AggregateMax(it.Id),
+                InvCode = SqlFunc.AggregateMax(it.InvCode),
+                InvName = SqlFunc.AggregateMax(it.InvName),
+                SubInvName = SqlFunc.AggregateMax(it.SubInvName),
+                Iusequantity = SqlFunc.AggregateMax(it.Iusequantity),
+                BOMVersion = SqlFunc.AggregateMax(it.BOMVersion),
+                CreatedBy = SqlFunc.AggregateMax(it.CreatedBy),
+                // 改动1：注释掉CreatedTime聚合（临时避开）
+                // CreatedTime = SqlFunc.AggregateMax(it.CreatedTime),
+                UpdatedBy = SqlFunc.AggregateMax(it.UpdatedBy),
+                UpdatedTime = SqlFunc.AggregateMax(it.UpdatedTime)
+            })
+            // 改动2：手动指定用UpdatedTime（数据库列updated_time）排序，避开CreatedTime
+            .OrderBy("MAX(updated_time) DESC");
 
-                    //Id = SqlFunc.AggregateMax(it.Id),
-                    InvCode = it.InvCode,
-                    InvName = SqlFunc.AggregateMax(it.InvName),
-                    SubInvName = SqlFunc.AggregateMax(it.SubInvName),
-                    Iusequantity = SqlFunc.AggregateMax(it.Iusequantity),
-                    BOMVersion = SqlFunc.AggregateMax(it.BOMVersion),
-                    CreatedBy = SqlFunc.AggregateMax(it.CreatedBy),
-                    //CreatedTime = SqlFunc.AggregateMax(it.CreatedTime),
-                    UpdatedBy = SqlFunc.AggregateMax(it.UpdatedBy),
-                    UpdatedTime = SqlFunc.AggregateMax(it.UpdatedTime)
-
-
-                }).OrderBy(it => SqlFunc.AggregateMax(it.CreatedTime), OrderByType.Desc);
-            var response = query.ToPage<MaterialBomDto, MaterialBomDto>(parm);
+            // 匹配你的PagedInfo类的分页逻辑
+            int pageIndex =  1;
+            int pageSize =  10;
+            int totalNum = query.Count();
 
+            var response = new PagedInfo<MaterialBomDto>()
+            {
+                PageIndex = pageIndex,
+                PageSize = pageSize,
+                TotalNum = totalNum,
+                Result = query.Skip((pageIndex - 1) * pageSize).Take(pageSize).ToList(),
+                Extra = new Dictionary<string, object>()
+            };
 
             return response;
-
-
         }
 
         /// <summary>