diff --git a/api/app/lib/schedule/alarms_push.js b/api/app/lib/schedule/alarms_push.js
index 757202f..5a594a0 100644
--- a/api/app/lib/schedule/alarms_push.js
+++ b/api/app/lib/schedule/alarms_push.js
@@ -723,7 +723,7 @@ module.exports = function (app, opts) {
                               // SourceTypeId   0: 'DTU' / 1: '传感器' / 2: '测点'
 
                               if (d.SourceTypeId != 2) {
-                                 deviceIds.push(d.SourceId)
+                                 deviceIds.add(d.SourceId)
                               }
                               if (apMergeDeVeAlarms[d.StructureId]) {
                                  apMergeDeVeAlarms[d.StructureId].data_exception.push(d)