diff --git a/api/app/lib/controllers/alarm/data.js b/api/app/lib/controllers/alarm/data.js
index 447f577..4e8ad77 100644
--- a/api/app/lib/controllers/alarm/data.js
+++ b/api/app/lib/controllers/alarm/data.js
@@ -172,8 +172,8 @@ async function list (ctx) {
             // } else {
             //    corConfirmedData = {}
             // }
-            ar.confirmedContent = corConfirmedData.Content
-            ar.confirmedTime = corConfirmedData.Time
+            ar.confirmedContent = corConfirmedData.Content || null
+            ar.confirmedTime = corConfirmedData.Time || null
 
             // 告警详情的数量
             ar.detailCount = (alarmDetailCount.find(adc => adc.AlarmId == ar.AlarmId) || { count: 0 }).count