diff --git a/server/model/group.js b/server/model/group.js
index 5b712ace..ecbced1a 100644
--- a/server/model/group.js
+++ b/server/model/group.js
@@ -31,10 +31,23 @@ class Group extends BeanModel {
      */
     async getMonitorList() {
         return R.convertToBeans("monitor", await R.getAll(`
-            SELECT monitor.*, monitor_group.send_url FROM monitor, monitor_group
-            WHERE monitor.id = monitor_group.monitor_id
+            SELECT monitor.*, monitor_group.send_url
+            FROM monitor
+            INNER JOIN monitor_group ON monitor.id = monitor_group.monitor_id
+            WHERE monitor.id IN (
+                SELECT hb.monitor_id
+                FROM heartbeat hb
+                INNER JOIN (
+                    SELECT monitor_id, MAX(time) AS latest_time
+                    FROM heartbeat
+                    GROUP BY monitor_id
+                ) latest_hb
+                ON hb.monitor_id = latest_hb.monitor_id AND hb.time = latest_hb.latest_time
+                WHERE hb.status = 1
+            )
             AND group_id = ?
             ORDER BY monitor_group.weight
+
         `, [
             this.id,
         ]));