diff --git a/plugin/healthchecker/leader/peer.go b/plugin/healthchecker/leader/peer.go
index f10d9b119..c08e789fa 100644
--- a/plugin/healthchecker/leader/peer.go
+++ b/plugin/healthchecker/leader/peer.go
@@ -41,9 +41,16 @@ var (
 	ErrorLeaderNotAlive = errors.New("leader not alive")
 )
 
+type (
+	// 仅支持测试场景塞入即可
+	ConnectFuncContextKey struct{}
+	ConnectPeerFunc       func(*RemotePeer) error
+)
+
 var (
 	NewLocalPeerFunc  = newLocalPeer
 	NewRemotePeerFunc = newRemotePeer
+	ConnectPeer       = doConnect
 )
 
 func newLocalPeer() Peer {
@@ -123,7 +130,7 @@ type RemotePeer struct {
 	// 这里采用多个 Putter Client 创建多个 Stream
 	puters []*beatSender
 	// Cache data storage
-	Cache BeatRecordCache
+	cache BeatRecordCache
 	// cancel .
 	cancel context.CancelFunc
 	// conf .
@@ -138,16 +145,20 @@ func (p *RemotePeer) Initialize(conf Config) {
 	p.conf = conf
 }
 
-func (p *RemotePeer) Serve(_ context.Context, checker *LeaderHealthChecker,
+func (p *RemotePeer) Serve(ctx context.Context, checker *LeaderHealthChecker,
 	listenIP string, listenPort uint32) error {
 	ctx, cancel := context.WithCancel(context.Background())
 	p.cancel = cancel
 	p.host = listenIP
 	p.port = listenPort
-	if err := p.doConnect(); err != nil {
-		return err
+
+	connectPeer := ConnectPeer
+	if val := ctx.Value(ConnectFuncContextKey{}); val != nil {
+		// 正常情况下只是为了测试场景使用
+		connectPeer = val.(ConnectPeerFunc)
 	}
-	p.Cache = newRemoteBeatRecordCache(p.GetFunc, p.PutFunc, p.DelFunc, p.Ping)
+	connectPeer(p)
+	p.cache = newRemoteBeatRecordCache(p.GetFunc, p.PutFunc, p.DelFunc, p.Ping)
 	go p.checkLeaderAlive(ctx)
 	return nil
 }
@@ -243,7 +254,7 @@ func (p *RemotePeer) DelFunc(req *apiservice.DelHeartbeatsRequest) error {
 }
 
 func (p *RemotePeer) Storage() BeatRecordCache {
-	return p.Cache
+	return p.cache
 }
 
 // Close close peer life
@@ -307,7 +318,7 @@ func (p *RemotePeer) doClose() {
 	}
 }
 
-func (p *RemotePeer) doConnect() error {
+func doConnect(p *RemotePeer) error {
 	p.conns = make([]*grpc.ClientConn, 0, streamNum)
 	p.puters = make([]*beatSender, 0, streamNum)
 	for i := 0; i < streamNum; i++ {
diff --git a/plugin/healthchecker/leader/peer_test.go b/plugin/healthchecker/leader/peer_test.go
index 69cdd6674..ad73b83a4 100644
--- a/plugin/healthchecker/leader/peer_test.go
+++ b/plugin/healthchecker/leader/peer_test.go
@@ -165,8 +165,6 @@ func TestLocalPeer(t *testing.T) {
 }
 
 func TestRemotePeer(t *testing.T) {
-	t.SkipNow()
-	// close old event hub
 	eventhub.InitEventHub()
 	ctrl := gomock.NewController(t)
 	mockStore := mock.NewMockStore(ctrl)
@@ -185,7 +183,6 @@ func TestRemotePeer(t *testing.T) {
 	assert.NoError(t, err)
 	t.Cleanup(func() {
 		_ = checker.Destroy()
-		eventhub.InitEventHub()
 		ctrl.Finish()
 	})