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-rw-r--r--modern/src/common/util/formatter.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/modern/src/common/util/formatter.js b/modern/src/common/util/formatter.js
index 08e29bc4..c28d492d 100644
--- a/modern/src/common/util/formatter.js
+++ b/modern/src/common/util/formatter.js
@@ -14,7 +14,7 @@ export const formatDate = (value, format = 'YYYY-MM-DD HH:mm') => moment(value).
export const formatTime = (value, format = 'YYYY-MM-DD HH:mm:ss') => moment(value).format(format);
export const formatStatus = (value, t) => t(prefixString('deviceStatus', value));
-export const formatAlarm = (value, t) => t(prefixString('alarm', value));
+export const formatAlarm = (value, t) => value ? t(prefixString('alarm', value)) : '';
export const formatCourse = (value) => {
const courseValues = ['N', 'NE', 'E', 'SE', 'S', 'SW', 'W', 'NW'];