diff --git a/internal/db/models/metric_stat_dao.go b/internal/db/models/metric_stat_dao.go
index d1a0b7d8..a4757fb9 100644
--- a/internal/db/models/metric_stat_dao.go
+++ b/internal/db/models/metric_stat_dao.go
@@ -197,6 +197,7 @@ func (this *MetricStatDAO) FindItemStatsWithClusterIdAndLastTime(tx *dbs.Tx, clu
 	var lastTime = lastStat.Time
 
 	var query = this.Query(tx).
+		UseIndex("cluster_item_time").
 		Attr("clusterId", clusterId).
 		Attr("itemId", itemId).
 		Attr("version", version).
@@ -243,6 +244,7 @@ func (this *MetricStatDAO) FindItemStatsWithNodeIdAndLastTime(tx *dbs.Tx, nodeId
 	var lastStat = statOne.(*MetricStat)
 	var lastTime = lastStat.Time
 	var query = this.Query(tx).
+		UseIndex("node_item_time").
 		Attr("nodeId", nodeId).
 		Attr("itemId", itemId).
 		Attr("version", version).
@@ -290,6 +292,7 @@ func (this *MetricStatDAO) FindItemStatsWithServerIdAndLastTime(tx *dbs.Tx, serv
 	var lastTime = lastStat.Time
 
 	var query = this.Query(tx).
+		UseIndex("server_item_time").
 		Attr("serverId", serverId).
 		Attr("itemId", itemId).
 		Attr("version", version).
diff --git a/internal/db/models/metric_stat_dao_test.go b/internal/db/models/metric_stat_dao_test.go
index de249156..5cc59f25 100644
--- a/internal/db/models/metric_stat_dao_test.go
+++ b/internal/db/models/metric_stat_dao_test.go
@@ -3,16 +3,20 @@ package models
 import (
 	_ "github.com/go-sql-driver/mysql"
 	_ "github.com/iwind/TeaGo/bootstrap"
+	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
 	"testing"
 )
 
 func TestNewMetricStatDAO_InsertMany(t *testing.T) {
-	for i := 0; i <= 1; i++ {
-		err := NewMetricStatDAO().CreateStat(nil, types.String(i) + "_v1", 18, 48, 23, 25, []string{"/html" + types.String(i)}, 1, "20210728", 0)
+	for i := 0; i <= 10_000_000; i++ {
+		err := NewMetricStatDAO().CreateStat(nil, types.String(i)+"_v1", 18, int64(rands.Int(0, 10000)), int64(rands.Int(0, 10000)), int64(rands.Int(0, 100)), []string{"/html" + types.String(i)}, 1, "20210830", 0)
 		if err != nil {
 			t.Fatal(err)
 		}
+		if i % 10000 == 0 {
+			t.Log(i)
+		}
 	}
 	t.Log("done")
 }