diff --git a/server/apps/supervision/serializers.py b/server/apps/supervision/serializers.py
index 417d041..171d303 100644
--- a/server/apps/supervision/serializers.py
+++ b/server/apps/supervision/serializers.py
@@ -112,7 +112,7 @@ class Task2Serializer(serializers.ModelSerializer):
         read_only_fields = ['create_time', 'update_time', 'create_by', 'update_by', 'belong_dept', 'state', 'is_deleted', 'depts']
     
     def update(self, instance, validated_data):
-        validated_data.pop('type')  # type不可编辑
+        validated_data.pop('type', None)  # type不可编辑
         if instance.state != Task2.TASK2_CLOSE:
             raise ParseError('非创建状态不可编辑')
         return super().update(instance, validated_data)