diff --git a/hb_server/apps/inm/signals.py b/hb_server/apps/inm/signals.py
index 26809eb..bbc9ec3 100644
--- a/hb_server/apps/inm/signals.py
+++ b/hb_server/apps/inm/signals.py
@@ -5,14 +5,14 @@ from apps.inm.models import FIFODetail, Inventory, MaterialBatch
 
 
 @receiver(post_save, sender=FIFODetail)
-def create_user(sender, instance, created, **kwargs):
+def update_by_fifodetail(sender, instance, created, **kwargs):
     if created:
         fifo = instance.fifo
         material = instance.material
         warehouse = fifo.warehouse
         if fifo.type in [3]: # 采购入库
             # 更新相关表
-            o1 = Inventory.objects.get_or_create(material=material, warehouse=warehouse, \
+            o1, _ = Inventory.objects.get_or_create(material=material, warehouse=warehouse, \
                 defaults={'material':material, 'warehouse':warehouse, 'count':0})
             o1.count = o1.count + instance.count
             o1.save()