diff --git a/src/views/ebiz/nbs/Necessary.vue b/src/views/ebiz/nbs/Necessary.vue
index 6a5a4f9d3..132524ab7 100644
--- a/src/views/ebiz/nbs/Necessary.vue
+++ b/src/views/ebiz/nbs/Necessary.vue
@@ -354,13 +354,13 @@ export default {
         this.$toast('终止年月必须大于起始年月')
         return
       }
-      if(this.eduAge(this.form.educationalAgeOne,this.children[0].familyAge)){
+      if(this.children[0] !== undefined && this.eduAge(this.form.educationalAgeOne,this.children[0].familyAge)){
         return false
       }
-      if(this.eduAge(this.form.educationalAgeTwo,this.children[1].familyAge)){
+      if(this.children[1] !== undefined && this.eduAge(this.form.educationalAgeTwo,this.children[1].familyAge)){
         return false
       }
-      if(this.eduAge(this.form.educationalAgeThree,this.children[2].familyAge)){
+      if(this.children[2] !== undefined && this.eduAge(this.form.educationalAgeThree,this.children[2].familyAge)){
         return false
       }
       let form = utils.deepCopy(this.form)