diff --git a/nezha-fronted/src/components/common/bottomBox/tabs/alertMessageTabNew.vue b/nezha-fronted/src/components/common/bottomBox/tabs/alertMessageTabNew.vue
index 9145dff3a..506b8af90 100644
--- a/nezha-fronted/src/components/common/bottomBox/tabs/alertMessageTabNew.vue
+++ b/nezha-fronted/src/components/common/bottomBox/tabs/alertMessageTabNew.vue
@@ -236,7 +236,7 @@ export default {
             disabled: false
           }, {
             name: this.$t('overall.acknowledge'),
-            type: 'selectString',
+            type: 'select',
             label: 'ack',
             readonly: true,
             disabled: false