diff --git a/packages/form/src/containers/GroupList.vue b/packages/form/src/containers/GroupList.vue
index 1b0c464a..57cf04c8 100644
--- a/packages/form/src/containers/GroupList.vue
+++ b/packages/form/src/containers/GroupList.vue
@@ -10,7 +10,7 @@
       v-for="(item, index) in model[name]"
       :key="index"
       :model="item"
-      :lastValues="getLastValues(lastValues[name], Number(index))"
+      :lastValues="getLastValues(lastValues?.[name], Number(index))"
       :is-compare="isCompare"
       :config="config"
       :prop="prop"