diff --git a/api/app/lib/models/app_alarm.js b/api/app/lib/models/app_alarm.js
index a6caed4..c0a6412 100644
--- a/api/app/lib/models/app_alarm.js
+++ b/api/app/lib/models/app_alarm.js
@@ -128,7 +128,7 @@ module.exports = dc => {
       autoIncrement: false
     },
     type: {
-      type: DataTypes.INTEGER,
+      type: DataTypes.STRING,
       allowNull: true,
       defaultValue: null,
       comment: null,
diff --git a/script/0.0.4/schema/1.alert_table.sql b/script/0.0.4/schema/1.alert_table.sql
index ef66da0..24b49aa 100644
--- a/script/0.0.4/schema/1.alert_table.sql
+++ b/script/0.0.4/schema/1.alert_table.sql
@@ -1,2 +1,2 @@
 alter table app_alarm
-	add type int;
\ No newline at end of file
+	add type varchar(64);