diff --git a/src/equipment_master/__pycache__/service.cpython-311.pyc b/src/equipment_master/__pycache__/service.cpython-311.pyc
index cba13a1..06aa100 100644
Binary files a/src/equipment_master/__pycache__/service.cpython-311.pyc and b/src/equipment_master/__pycache__/service.cpython-311.pyc differ
diff --git a/src/equipment_master/service.py b/src/equipment_master/service.py
index 69a6864..17ccf10 100644
--- a/src/equipment_master/service.py
+++ b/src/equipment_master/service.py
@@ -30,10 +30,13 @@ async def get_all_master(
 
     if search:
         query = query.filter(
-            (EquipmentMaster.name.ilike(f"%{search}%")) |
-            (EquipmentMaster.assetnum.ilike(f"%{search}%"))
+            (EquipmentMaster.name.ilike(f"%{search}%"))
+            | (EquipmentMaster.assetnum.ilike(f"%{search}%"))
         )
 
+    if not parent_id:
+        query = query.filter(EquipmentMaster.parent_id.is_(None))
+        
     query = query.options(recursive_load(5))
 
     common["items_per_page"] = items_per_page