diff --git a/src/utils/dict.ts b/src/utils/dict.ts
index 1b5589e4..2f5e6e86 100644
--- a/src/utils/dict.ts
+++ b/src/utils/dict.ts
@@ -290,7 +290,7 @@ export enum DICT_TYPE {
   IOT_ALERT_LEVEL = "iot_alert_level",
   IOT_PROTOCOL = "iot_protocol",
   IOT_DEVICE_ATTRIBUTE_UNIT = "iot_device_attribute_unit",
-  IOT_ALARM_REGISTRATION = " alarm_registration",
+  IOT_ALARM_REGISTRATION = "alarm_registration",
 
   PRIMARY_FLAG = "primary_flag"
 }