diff --git a/apps/inm/serializers.py b/apps/inm/serializers.py
index 1d80751f..ee119d40 100644
--- a/apps/inm/serializers.py
+++ b/apps/inm/serializers.py
@@ -30,6 +30,15 @@ class MaterialBatchAListSerializer(CustomModelSerializer):
         fields = ['material', 'batch', 'rate', 'mb', 'id', 'material_']
 
 
+class MaterialBatchAListSerializer2(CustomModelSerializer):
+    material_name = serializers.StringRelatedField(
+        source='material', read_only=True)
+
+    class Meta:
+        model = MIOItemA
+        fields = ['material', 'batch', 'rate', 'mb',
+                  'id', 'material_', 'material_name']
+
 class MaterialBatchSerializer(CustomModelSerializer):
     warehouse_name = serializers.CharField(
         source='warehouse.name', read_only=True)
@@ -209,15 +218,14 @@ class MIOItemAListSerializer(CustomModelSerializer):
 
     class Meta:
         model = MIOItemA
-        fields = ['material', 'batch', 'rate', 'mioitem',
-                  'id', 'material_', 'material_name']
+        fields = "__all__"
+        read_only_fields = EXCLUDE_FIELDS_BASE
 
 
 class MIOItemSerializer(CustomModelSerializer):
     warehouse_name = serializers.CharField(source='warehouse.name', read_only=True)
     material_ = MaterialSerializer(source='material', read_only=True)
-    assemb = MIOItemAListSerializer(
-        source='a_mioitem', read_only=True, many=True)
+    assemb = serializers.SerializerMethodField(label="组合件信息")
     material_name = serializers.StringRelatedField(
         source='material', read_only=True)
     inout_date = serializers.DateField(source='mio.inout_date', read_only=True)
@@ -235,6 +243,15 @@ class MIOItemSerializer(CustomModelSerializer):
             ret["price"] = Decimal(ret["count"]) * Decimal(ret["unit_price"])
         return ret
     
+    def get_assemb(self, obj):
+        qs = MIOItemA.objects.filter(mioitem=obj)
+        if qs.exists():
+            return MIOItemAListSerializer(qs, many=True).data
+        elif obj.mb and obj.mb.material.is_assemb:
+            return MaterialBatchAListSerializer2(MaterialBatchA.objects.filter(mb=obj.mb), many=True).data
+        return None
+        
+    
 class MioItemDetailSerializer(MIOItemSerializer):
     mio_ = MIOListSerializer(source='mio', read_only=True)