diff --git a/hb_server/apps/wf/serializers.py b/hb_server/apps/wf/serializers.py
index f3d055d..6daa326 100644
--- a/hb_server/apps/wf/serializers.py
+++ b/hb_server/apps/wf/serializers.py
@@ -38,13 +38,17 @@ class TransitionSerializer(serializers.ModelSerializer):
         queryset = queryset.select_related('source_state','destination_state')
         return queryset
 
-class FieldChoiceSerializer(serializers.Serializer):
-    id = serializers.Field(label='ID')
-    name = serializers.CharField(label='名称')
+class AllField(serializers.Field):
+    def to_representation(self, value):
+        return value
 
     def to_internal_value(self, data):
         return data
 
+class FieldChoiceSerializer(serializers.Serializer):
+    id = AllField(label='ID')
+    name = serializers.CharField(label='名称')
+
 
 class CustomFieldSerializer(serializers.ModelSerializer):
     class Meta: