diff --git a/BasicData/Tnb.BasicData/BasMaterialService.cs b/BasicData/Tnb.BasicData/BasMaterialService.cs
index f4174821..6a42d2b8 100644
--- a/BasicData/Tnb.BasicData/BasMaterialService.cs
+++ b/BasicData/Tnb.BasicData/BasMaterialService.cs
@@ -84,7 +84,7 @@ namespace Tnb.BasicData
         public async Task<dynamic> GetMaterialSelectInfo(MaterialSelectQueryInput queryInput)
         {
             var db = _repository.AsSugarClient();
-            List<string> ids = await GetAllChildrenMaterialId(queryInput.ebom_id);
+            List<string> ids = await GetAllChildrenMaterialId(queryInput.ebom_id,0);
             BasEbomH ebom = await db.Queryable<BasEbomH>().Where(x => x.id == queryInput.ebom_id).SingleAsync();
             ids.Add(ebom.material_id);
             var result = await db.Queryable<BasMaterial>()
@@ -109,10 +109,11 @@ namespace Tnb.BasicData
         /// 获取物料清单下所子集物料id
         /// </summary>
         /// <returns></returns>
-        private async Task<List<string>> GetAllChildrenMaterialId(string ebomId)
+        private async Task<List<string>> GetAllChildrenMaterialId(string ebomId,int index)
         {
             if (string.IsNullOrEmpty(ebomId)) return new List<string>();
             List<string> ids = new List<string>();
+            if (index++ > 10) return ids;
             var list = await _repository.AsSugarClient().Queryable<BasEbomD>().Where(x => x.ebom_id == ebomId)
                 .Select<string>(x => x.material_id).ToListAsync();
             if (list != null && list.Count > 0)
@@ -121,7 +122,7 @@ namespace Tnb.BasicData
                 {
                     //获取最新创建的物料清单
                     var ebom = await _repository.AsSugarClient().Queryable<BasEbomH>().Where(x=>x.material_id==id).OrderByDescending(x=>x.create_time).FirstAsync();
-                    ids.AddRange(await GetAllChildrenMaterialId(ebom?.id));
+                    ids.AddRange(await GetAllChildrenMaterialId(ebom?.id,index));
                 }
                 ids.AddRange(list);
             }