diff --git a/apps/wpm/services.py b/apps/wpm/services.py
index fb07190f..913423cb 100644
--- a/apps/wpm/services.py
+++ b/apps/wpm/services.py
@@ -257,7 +257,7 @@ def mlog_submit(mlog: Mlog, user: User, now: Union[datetime.datetime, None]):
             else:
                 lookup['belong_dept'] = belong_dept
             if mo_count > 0:
-                wm, _ = WMaterial.objects.get_or_create(**lookup, defaults=lookup.update({"belong_dept": belong_dept}))
+                wm, _ = WMaterial.objects.get_or_create(**lookup, defaults={**lookup, "belong_dept": belong_dept})
                 wm.count = wm.count + mo_count
                 wm.count_eweight = mo_count_eweight
                 wm.update_by = user
@@ -306,7 +306,7 @@ def mlog_revert(mlog: Mlog, user: User, now: Union[datetime.datetime, None]):
                 else:
                     lookup['belong_dept'] = belong_dept
 
-                wm, _ = WMaterial.objects.get_or_create(**lookup, defaults=lookup.update({"belong_dept": belong_dept}))
+                wm, _ = WMaterial.objects.get_or_create(**lookup, defaults={**lookup, "belong_dept": belong_dept})
                 wm.count = wm.count + mi_count
                 wm.update_by = user
                 wm.save()