diff --git a/apps/inm/serializers.py b/apps/inm/serializers.py
index 8a5cb558..f13d7b07 100644
--- a/apps/inm/serializers.py
+++ b/apps/inm/serializers.py
@@ -268,8 +268,6 @@ class MIODoSerializer(CustomModelSerializer):
             raise ValidationError('出入库类型错误')
         if not validated_data.get("number", None):
             validated_data["number"] = MIO.get_a_number(validated_data["type"])
-        if validated_data['type'] not in [MIO.MIO_TYPE_DO_OUT, MIO.MIO_TYPE_DO_IN]:
-            raise ValidationError('出入库类型错误')
         return super().create(validated_data)
 
     def update(self, instance, validated_data):