diff --git a/src/bean/vo/response/alert_rules.go b/src/bean/vo/response/alert_rules.go
index c35a6a38c9a8e6dfb47ece2c5cffd781e5c98452..a64bcc19724208bc28cd161c9b94a9aebd98bcb3 100644
--- a/src/bean/vo/response/alert_rules.go
+++ b/src/bean/vo/response/alert_rules.go
@@ -4,6 +4,7 @@ import "gitlab.wodcloud.com/smart-operation/so-operation-api/src/bean/entity"
 
 type AlertRulesItem struct {
 	entity.AlertRules `xorm:"extends"`
+	Expr              string                    `json:"expr" form:"expr"`                       // 指标表达式(PromQL语句)
 	AlertRuleType     string                    `json:"alert_rule_type" xorm:"alert_rule_type"` // 预警规则类型 关联字典表
 	ClassParentName   string                    `json:"class_parent_name" xorm:"class_parent_name"`
 	ClassName         string                    `json:"class_name" xorm:"class_name"`
diff --git a/src/service/alert_rules.go b/src/service/alert_rules.go
index 9ae340a10dd010dbd69abdab3bbfd4e771440d72..36495bde79b28ee8866b7e17d8298e40fca92d3d 100644
--- a/src/service/alert_rules.go
+++ b/src/service/alert_rules.go
@@ -213,7 +213,7 @@ func (a *AlertRulesSvc) List(req request.ListAlertRules) (resp response.AlertRul
 	}
 	session := db.NewSession()
 	defer session.Close()
-	session.Table(new(entity.AlertRules)).Alias("r").Select("r.*,acp.class_name class_parent_name,ac.class_name,mc.metric_name metric_config_name,mc.alert_rule_type")
+	session.Table(new(entity.AlertRules)).Alias("r").Select("r.*,acp.class_name class_parent_name,ac.class_name,mc.expr,mc.metric_name metric_config_name,mc.alert_rule_type")
 	session.Join("LEFT", "metric_config mc", "mc.id = r.metric_config_id")
 	session.Join("LEFT", "alert_class ac", "ac.class_id = r.class_id")
 	session.Join("LEFT", "alert_class acp", "acp.class_id = ac.parent_id")