fix: materialserializer count只读

apps/mtm/serializers.py

@@ -34,7 +34,7 @@ class MaterialSerializer(CustomModelSerializer):
     class Meta:
         model = Material
         fields = '__all__'
-        read_only_fields = EXCLUDE_FIELDS
+        read_only_fields = EXCLUDE_FIELDS + ['count']
 
     def get_full_name(self, obj):
         return f'{obj.name}|{obj.specification if obj.specification else ""}|{obj.model if obj.model else ""}|{obj.process.name if obj.process else ""}'