diff --git a/WarehouseMgr/Tnb.WarehouseMgr.Entities/Dto/Outputs/CollocationSchemeOutput.cs b/WarehouseMgr/Tnb.WarehouseMgr.Entities/Dto/Outputs/CollocationSchemeOutput.cs
index 24ef9f82..6986be71 100644
--- a/WarehouseMgr/Tnb.WarehouseMgr.Entities/Dto/Outputs/CollocationSchemeOutput.cs
+++ b/WarehouseMgr/Tnb.WarehouseMgr.Entities/Dto/Outputs/CollocationSchemeOutput.cs
@@ -3,6 +3,8 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using Newtonsoft.Json;
+using SqlSugar;
 
 namespace Tnb.WarehouseMgr.Entities.Dto.Outputs
 {
@@ -63,11 +65,11 @@ namespace Tnb.WarehouseMgr.Entities.Dto.Outputs
         /// 齐套明细输出
         /// </summary>
         public List<CollocationSchemeDOutput>? CollocationSchemeDs { get; set; }
-
-        public List<WmsCollocationSchemeD> list{ get; set; }
+        [JsonIgnore]
+        public List<WmsCollocationSchemeD>? list { get; set; }
     }
-    
-    public class CollocationSchemeDOutput 
+
+    public class CollocationSchemeDOutput
     {
         /// <summary>
         /// 主键ID
diff --git a/WarehouseMgr/Tnb.WarehouseMgr/WmsCollocationSchemeSevice.cs b/WarehouseMgr/Tnb.WarehouseMgr/WmsCollocationSchemeSevice.cs
index 88f7cdc4..2ade7c92 100644
--- a/WarehouseMgr/Tnb.WarehouseMgr/WmsCollocationSchemeSevice.cs
+++ b/WarehouseMgr/Tnb.WarehouseMgr/WmsCollocationSchemeSevice.cs
@@ -94,13 +94,12 @@ namespace Tnb.WarehouseMgr
             try
             {
                 results = await _db.Queryable<WmsCollocationSchemeH>()
-                   .LeftJoin<WmsCollocationSchemeD>((a, b) => b.bill_id == a.id)
                    .Where(a => a.material_id == input.material_id)
-                   .Select((a, b) => new CollocationSchemeOutput
+                   .Select(a => new CollocationSchemeOutput
                    {
                        list = SqlFunc.Subqueryable<WmsCollocationSchemeD>().Where(b => b.bill_id == a.id).ToList(),
                    }, true)
-                   .Mapper(it=> it.CollocationSchemeDs = it.list.Adapt<List<CollocationSchemeDOutput>>())
+                   .Mapper(it => it.CollocationSchemeDs = it.list?.Adapt<List<CollocationSchemeDOutput>>())
                    .ToListAsync();
             }
             catch (Exception ex)