diff --git a/scheduler/resource/cdn.go b/scheduler/resource/cdn.go
index 2b32492197c..4b7e1f50c19 100644
--- a/scheduler/resource/cdn.go
+++ b/scheduler/resource/cdn.go
@@ -37,6 +37,11 @@ import (
 	"d7y.io/dragonfly/v2/scheduler/config"
 )
 
+const (
+	// Default value of biz tag for cdn peer
+	cdnBizTag = "d7y/cdn"
+)
+
 type CDN interface {
 	// TriggerTask start to trigger cdn task
 	TriggerTask(context.Context, *Task) (*Peer, *rpcscheduler.PeerResult, error)
@@ -146,7 +151,7 @@ func (c *cdn) initPeer(task *Task, ps *cdnsystem.PieceSeed) (*Peer, error) {
 	}
 
 	// New cdn peer
-	peer = NewPeer(ps.PeerId, task, host)
+	peer = NewPeer(ps.PeerId, task, host, WithBizTag(cdnBizTag))
 	peer.Log.Info("new cdn peer successfully")
 
 	// Store cdn peer
diff --git a/scheduler/resource/peer.go b/scheduler/resource/peer.go
index 3807ad51314..32fb70f6ec6 100644
--- a/scheduler/resource/peer.go
+++ b/scheduler/resource/peer.go
@@ -37,6 +37,9 @@ import (
 const (
 	// Download tiny file timeout
 	downloadTinyFileContextTimeout = 2 * time.Minute
+
+	// Default value of biz tag
+	defaultBizTag = "unknow"
 )
 
 const (
@@ -156,6 +159,7 @@ type Peer struct {
 func NewPeer(id string, task *Task, host *Host, options ...PeerOption) *Peer {
 	p := &Peer{
 		ID:         id,
+		BizTag:     defaultBizTag,
 		Pieces:     &bitset.BitSet{},
 		pieceCosts: []int64{},
 		Stream:     &atomic.Value{},