diff --git a/ecp/en_US/cluster/ops.md b/ecp/en_US/cluster/ops.md
index 1bb5ae4..b149664 100644
--- a/ecp/en_US/cluster/ops.md
+++ b/ecp/en_US/cluster/ops.md
@@ -78,7 +78,7 @@ ECP provides the alarm management for cluster rules and connectors on the **Work
 
 To notify cluster alarms by email or Webhook, enable "Push EMQX Alarm" when creating notification.
 
-<img src="_assets/cluster-alarm-notification.png" align="middle">
+<img src="./_assets/cluster-alarm-notification.png" align="middle">
 
 For other details of alarm, see [Alarms](../monitor/alarm_rules.md))
 
diff --git a/ecp/zh_CN/cluster/ops.md b/ecp/zh_CN/cluster/ops.md
index a22797a..95938a6 100644
--- a/ecp/zh_CN/cluster/ops.md
+++ b/ecp/zh_CN/cluster/ops.md
@@ -78,7 +78,7 @@ ECP **工作台** -> **监控运维** -> **告警** 页面支持纳管集群的
 
 如果您需要对集群中发生的告警设置邮件或 Webhook 通知，在创建告警推送时请启用“EMQX 告警推送”。
 
-<img src="_assets/cluster-alarm-notification.png" style="zoom: 50%;" align="middle">
+<img src="./_assets/cluster-alarm-notification.png" style="zoom: 50%;" align="middle">
 
 有关告警功能的其他详细解释，请参考[告警](../monitor/alarm_rules.md)。