diff --git a/app/src/main/java/com/casic/br/ktd/vm/AlarmViewModel.kt b/app/src/main/java/com/casic/br/ktd/vm/AlarmViewModel.kt
index 02645dd..34ea1b2 100644
--- a/app/src/main/java/com/casic/br/ktd/vm/AlarmViewModel.kt
+++ b/app/src/main/java/com/casic/br/ktd/vm/AlarmViewModel.kt
@@ -130,7 +130,7 @@
                 dataModel.alarmPicture = ""
                 dataModel.alarmThresh = SaveKeyValues.getValue(
                     LocaleConstant.ALARM_RULE, 1000
-                ) as String
+                ).toString()
                 dataModel.alarmValue = "0"
                 dataModel.alarmVideo = ""
                 detailModel.data = dataModel