diff --git a/src/views/faultManage/active-alarm/index.vue b/src/views/faultManage/active-alarm/index.vue
index a0d7bcb4..f518d7d1 100644
--- a/src/views/faultManage/active-alarm/index.vue
+++ b/src/views/faultManage/active-alarm/index.vue
@@ -438,7 +438,7 @@ function fnModalVisibleBy(code: string) {
 function fnModalOk() {
   modalState.confirmLoading = true;
   const from = toRaw(modalState.from);
-  if (from.ackState) {
+  if (!from.ackState) {
     message.error({
       content: t('views.faultManage.activeAlarm.ackError'),
       duration: 3,