diff --git a/src/views/abnormalAlarm/alarmCenter/alarmRules/index.vue b/src/views/abnormalAlarm/alarmCenter/alarmRules/index.vue
index 5dd4aa4..106d915 100644
--- a/src/views/abnormalAlarm/alarmCenter/alarmRules/index.vue
+++ b/src/views/abnormalAlarm/alarmCenter/alarmRules/index.vue
@@ -334,35 +334,35 @@ export default {
       silenceCyclerOptions: [
         {
           label: "5 minutes",
-          value: "300"
+          value: 300
         },
         {
           label: "15 minutes",
-          value: "900"
+          value: 900
         },
         {
           label: "30 minutes",
-          value: "1800"
+          value: 1800
         },
         {
           label: "60 minutes",
-          value: "3600"
+          value: 3600
         },
         {
           label: "3 hours",
-          value: "10800"
+          value: 10800
         },
         {
           label: "6 hours",
-          value: "21600"
+          value: 21600
         },
         {
           label: "12 hours",
-          value: "43200"
+          value: 43200
         },
         {
           label: "24 hours",
-          value: "86400"
+          value: 86400
         }
       ],
       contactGroupOptions: [],
@@ -472,6 +472,8 @@ export default {
     },
     onSourceTypeChange(val) {
       this.form.sourceType = val
+      this.form.sourceId = undefined
+      this.form.itemId = undefined
       this.getAlarmSources(val)
     },
     onSourceChange(val,option) {