diff --git a/apps/inm/models.py b/apps/inm/models.py
index 584fdb3f..6477a693 100644
--- a/apps/inm/models.py
+++ b/apps/inm/models.py
@@ -5,7 +5,7 @@ from apps.sam.models import Customer, Order
 from apps.mtm.models import Material, Mgroup
 from apps.system.models import User
 from datetime import datetime
-from django.db.models import Max
+from django.db.models import Max, Sum
 # Create your models here.
 
 
@@ -39,6 +39,10 @@ class MaterialBatch(BaseModel):
     defect = models.ForeignKey('qm.defect', verbose_name='缺陷', on_delete=models.PROTECT, null=True, blank=True)
 
 
+    @property
+    def count_mioing(self): 
+        return  MIOItem.objects.filter(mb=self, mio__submit_time__isnull=True).aggregate(count=Sum('count'))['count'] or 0
+
 class MaterialBatchA(BaseModel):
     """
     TN:组合件物料批次
diff --git a/apps/inm/serializers.py b/apps/inm/serializers.py
index 454695ab..8c6ad5b3 100644
--- a/apps/inm/serializers.py
+++ b/apps/inm/serializers.py
@@ -53,6 +53,12 @@ class MaterialBatchSerializer(CustomModelSerializer):
         model = MaterialBatch
         fields = '__all__'
         read_only_fields = EXCLUDE_FIELDS_BASE
+    
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        if 'count' in ret and 'count_mioing' in ret:
+            ret['count_canmio'] = str(Decimal(ret['count']) - Decimal(ret['count_mioing']))
+        return ret
 
 
 class MaterialBatchDetailSerializer(CustomModelSerializer):