diff --git a/apps/wpm/filters.py b/apps/wpm/filters.py
index abaddda5..25a621b2 100644
--- a/apps/wpm/filters.py
+++ b/apps/wpm/filters.py
@@ -1,5 +1,5 @@
 from django_filters import rest_framework as filters
-from apps.wpm.models import SfLog, StLog, WMaterial, Mlog, Handover, Mgroup
+from apps.wpm.models import SfLog, StLog, WMaterial, Mlog, Handover, Mgroup, Mlogb
 
 
 class SfLogFilter(filters.FilterSet):
@@ -87,3 +87,24 @@ class HandoverFilter(filters.FilterSet):
             "recive_mgroup": ["exact"],
             "recive_mgroup__name": ["exact"],
         }
+
+
+class MlogbFilter(filters.FilterSet):
+    type = filters.CharFilter(label="in/out", filter_method='filter_type')
+    class Meta:
+        model = Mlogb
+        fields = {
+            "mlog": ["exact"],
+            "mtask": ["exact"],
+            "material_in": ["exact", "isnull"],
+            "material_out": ["exact", "isnull"],
+        }
+    
+    def filter_type(self, queryset, name, value):
+        if value:
+            if value == 'in':
+                return queryset.filter(material_in__isnull=False)
+            elif value == 'out':
+                return queryset.filter(material_out__isnull=False)
+            return queryset
+        return queryset.none()
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