diff --git a/src/views/trials/trials-panel/reading/dicoms/components/IVUS/QuestionList.vue b/src/views/trials/trials-panel/reading/dicoms/components/IVUS/QuestionList.vue
index b031ddc1..61d1640c 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/IVUS/QuestionList.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/IVUS/QuestionList.vue
@@ -443,8 +443,8 @@ export default {
       if (item.Type === 'number') {
         this.limitBlur(item.Id, item.ValueType)
       }
-      if (question.Childrens.length > 0) {
-        this.resetChild(question.Childrens)
+      if (item.Childrens && item.Childrens.length > 0) {
+        this.resetChild(item.Childrens)
       }
     },
     resetChild(obj) {
diff --git a/src/views/trials/trials-panel/reading/dicoms/components/OCT/QuestionList.vue b/src/views/trials/trials-panel/reading/dicoms/components/OCT/QuestionList.vue
index c8b8da41..c650cd6e 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/OCT/QuestionList.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/OCT/QuestionList.vue
@@ -436,10 +436,10 @@ export default {
     },
     formItemChange(val, question) {
       this.formChanged = true
-      if (item.Type === 'number') {
-        this.limitBlur(item.Id, item.ValueType)
+      if (question.Type === 'number') {
+        this.limitBlur(question.Id, question.ValueType)
       }
-      if (question.Childrens.length > 0) {
+      if (question.Childrens && question.Childrens.length > 0) {
         this.resetChild(question.Childrens)
       }
     },