diff --git a/model/alertrule.go b/model/alertrule.go
index 27e6531..829722a 100644
--- a/model/alertrule.go
+++ b/model/alertrule.go
@@ -1,6 +1,8 @@
 package model
 
 import (
+	"slices"
+
 	"github.com/nezhahq/nezha/pkg/utils"
 	"gorm.io/gorm"
 )
@@ -88,10 +90,13 @@ func (r *AlertRule) Check(points [][]bool) (maxDuration int, passed bool) {
 			if maxDuration < 1 {
 				maxDuration = 1
 			}
-			for j := len(points) - 1; j >= 0; j-- {
-				if !points[j][i] {
-					failCount++
-					break
+		LOOP:
+			for _, point := range points {
+				for _, check := range slices.Backward(point) {
+					if !check {
+						failCount++
+						break LOOP
+					}
 				}
 			}
 		} else {