diff --git a/ProductionMgr/Tnb.ProductionMgr/PrdInstockService.cs b/ProductionMgr/Tnb.ProductionMgr/PrdInstockService.cs
index 9d5faede..dbd431b5 100644
--- a/ProductionMgr/Tnb.ProductionMgr/PrdInstockService.cs
+++ b/ProductionMgr/Tnb.ProductionMgr/PrdInstockService.cs
@@ -64,6 +64,7 @@ namespace Tnb.ProductionMgr
                 .LeftJoin<ToolMolds>((a, b, c) => a.mold_id == c.id)
                 .LeftJoin<EqpEquipment>((a, b, c, d) => a.eqp_id == d.id)
                 .WhereIF(!string.IsNullOrEmpty(moCode), (a, b, c, d) => a.mo_task_code!.Contains(moCode))
+                .Where(a=>string.IsNullOrEmpty(a.parent_id))
                 .Select((a, b, c, d) => new PrdMoTaskTreeOutput()
                 {
                     id = a.id,