diff --git a/src/views/Design/components/ActionCompoents/components/QuestionItemAction/QuestionBefore.vue b/src/views/Design/components/ActionCompoents/components/QuestionItemAction/QuestionBefore.vue
index e86f912..7829514 100644
--- a/src/views/Design/components/ActionCompoents/components/QuestionItemAction/QuestionBefore.vue
+++ b/src/views/Design/components/ActionCompoents/components/QuestionItemAction/QuestionBefore.vue
@@ -307,7 +307,7 @@ const addLogicItem = (logIndex, item) => {
     question_type: 0,
     is_answer: 1,
     operator: '',
-    option_index: '',
+    option_index: null,
     relation_question_index: 0,
     type: 0,
     is_option_group: 0,