diff --git a/src/client/utils/date.ts b/src/client/utils/date.ts
index 7340544..66a5e97 100644
--- a/src/client/utils/date.ts
+++ b/src/client/utils/date.ts
@@ -1,9 +1,12 @@
 import dayjs from 'dayjs';
 import utc from 'dayjs/plugin/utc';
 import timezone from 'dayjs/plugin/timezone';
+import advancedFormat from 'dayjs/plugin/advancedFormat';
 import type { DateUnit } from '../../shared';
+
 dayjs.extend(utc);
 dayjs.extend(timezone);
+dayjs.extend(advancedFormat);
 
 export type { DateUnit };
 
diff --git a/src/server/model/monitor/index.ts b/src/server/model/monitor/index.ts
index fccd347..1151186 100644
--- a/src/server/model/monitor/index.ts
+++ b/src/server/model/monitor/index.ts
@@ -165,17 +165,19 @@ class MonitorRunner {
         await this.notify(
           `[${monitor.name}] 🔴 Down`,
           `[${monitor.name}] 🔴 Down\nTime: ${dayjs().format(
-            'YYYY-MM-DD HH:mm:ss'
+            'YYYY-MM-DD HH:mm:ss (z)'
           )}`
         );
+        currentStatus = 'DOWN';
       } else if (value > 0 && currentStatus === 'DOWN') {
         await this.createEvent('UP', `Monitor [${monitor.name}] has been up`);
         await this.notify(
           `[${monitor.name}] ✅ Up`,
           `[${monitor.name}] ✅ Up\nTime: ${dayjs().format(
-            'YYYY-MM-DD HH:mm:ss'
+            'YYYY-MM-DD HH:mm:ss (z)'
           )}`
         );
+        currentStatus = 'UP';
       }
 
       // insert into data