diff --git a/components/CouponsPopup.vue b/components/CouponsPopup.vue
index eee1be7..62714b5 100644
--- a/components/CouponsPopup.vue
+++ b/components/CouponsPopup.vue
@@ -157,8 +157,10 @@ export default {
       return maxIndex
     },
     largOne() {
-      this.selectCoupon(this.list[this.maxIndex].id)
-      return this.list[this.maxIndex]
+      if(this.list[this.maxIndex]) {
+        this.selectCoupon(this.list[this.maxIndex].id)
+      }
+      return this.list[this.maxIndex] || {}
     }
     
   },
@@ -171,7 +173,7 @@ export default {
     },
     selectCoupon(id) {
       this.couponId = id
-      this.selectItem = this.list.find(e => e.id === id)
+      this.selectItem = this.list.find(e => e.id === id) || {}
       this.list.map(item => {
         item.checked = id === item.id
       })