diff --git a/pkg/compute/models/networks.go b/pkg/compute/models/networks.go
index 0394d17c36..972fadb6a3 100644
--- a/pkg/compute/models/networks.go
+++ b/pkg/compute/models/networks.go
@@ -60,7 +60,10 @@ type SNetworkManager struct {
 
 var NetworkManager *SNetworkManager
 
-func init() {
+func GetNetworkManager() *SNetworkManager {
+	if NetworkManager != nil {
+		return NetworkManager
+	}
 	NetworkManager = &SNetworkManager{
 		SSharableVirtualResourceBaseManager: db.NewSharableVirtualResourceBaseManager(
 			SNetwork{},
@@ -70,6 +73,11 @@ func init() {
 		),
 	}
 	NetworkManager.SetVirtualObject(NetworkManager)
+	return NetworkManager
+}
+
+func init() {
+	GetNetworkManager()
 }
 
 type SNetwork struct {
diff --git a/pkg/scheduler/algorithm/predicates/network_predicate.go b/pkg/scheduler/algorithm/predicates/network_predicate.go
index b6c1e9c7c9..390936a86e 100644
--- a/pkg/scheduler/algorithm/predicates/network_predicate.go
+++ b/pkg/scheduler/algorithm/predicates/network_predicate.go
@@ -41,15 +41,22 @@ type NetworkPredicate struct {
 	networkFreePortCount  map[string]int
 }
 
-func NewNetworkPredicate(getter INetworkNicCountGetter) *NetworkPredicate {
-	if getter == nil {
-		getter = models.NetworkManager
-	}
+func NewNetworkPredicate() *NetworkPredicate {
 	return &NetworkPredicate{
-		NetworkNicCountGetter: getter,
+		NetworkNicCountGetter: nil,
+		networkFreePortCount:  make(map[string]int),
 	}
 }
 
+func NewNetworkPredicateWithNicCounter() *NetworkPredicate {
+	return NewNetworkPredicate().WithNetworkCountGetter(models.GetNetworkManager())
+}
+
+func (p *NetworkPredicate) WithNetworkCountGetter(getter INetworkNicCountGetter) *NetworkPredicate {
+	p.NetworkNicCountGetter = getter
+	return p
+}
+
 func (p *NetworkPredicate) Name() string {
 	return "host_network"
 }
@@ -57,6 +64,7 @@ func (p *NetworkPredicate) Name() string {
 func (p *NetworkPredicate) Clone() core.FitPredicate {
 	return &NetworkPredicate{
 		NetworkNicCountGetter: p.NetworkNicCountGetter,
+		networkFreePortCount:  p.networkFreePortCount,
 	}
 }
 
@@ -75,14 +83,16 @@ func (p *NetworkPredicate) PreExecute(u *core.Unit, cs []core.Candidater) (bool,
 			networkIds.Insert(net.GetId())
 		}
 	}
-	netCounts, err := p.NetworkNicCountGetter.GetTotalNicCount(networkIds.UnsortedList())
-	if err != nil {
-		return false, errors.Wrap(err, "unable to GetTotalNicCount")
-	}
-	p.networkFreePortCount = map[string]int{}
-	for i := range cs {
-		for _, net := range cs[i].Getter().Networks() {
-			p.networkFreePortCount[net.Id] = net.GetTotalAddressCount() - netCounts[net.Id]
+
+	if p.NetworkNicCountGetter != nil {
+		netCounts, err := p.NetworkNicCountGetter.GetTotalNicCount(networkIds.UnsortedList())
+		if err != nil {
+			return false, errors.Wrap(err, "unable to GetTotalNicCount")
+		}
+		for i := range cs {
+			for _, net := range cs[i].Getter().Networks() {
+				p.networkFreePortCount[net.Id] = net.GetTotalAddressCount() - netCounts[net.Id]
+			}
 		}
 	}
 
@@ -266,7 +276,10 @@ func (p *NetworkPredicate) Execute(u *core.Unit, c core.Candidater) (bool, []cor
 	d := u.SchedData()
 
 	getFreePort := func(id string) int {
-		return p.networkFreePortCount[id] - c.Getter().GetPendingUsage().NetUsage.Get(id)
+		if _, ok := p.networkFreePortCount[id]; ok {
+			return p.networkFreePortCount[id] - c.Getter().GetPendingUsage().NetUsage.Get(id)
+		}
+		return c.Getter().GetFreePort(id)
 	}
 
 	for _, reqNet := range d.Networks {
diff --git a/pkg/scheduler/algorithmprovider/baremetal.go b/pkg/scheduler/algorithmprovider/baremetal.go
index fc31c5e5cb..5724169023 100644
--- a/pkg/scheduler/algorithmprovider/baremetal.go
+++ b/pkg/scheduler/algorithmprovider/baremetal.go
@@ -34,7 +34,7 @@ func baremetalPredicates() sets.String {
 		factory.RegisterFitPredicate("c-BaremetalCPUFilter", &predicatebm.CPUPredicate{}),
 		factory.RegisterFitPredicate("d-BaremetalMemoryFilter", &predicatebm.MemoryPredicate{}),
 		factory.RegisterFitPredicate("e-BaremetalStorageFilter", &predicatebm.StoragePredicate{}),
-		factory.RegisterFitPredicate("f-BaremetalNetFilter", predicates.NewNetworkPredicate(nil)),
+		factory.RegisterFitPredicate("f-BaremetalNetFilter", predicates.NewNetworkPredicate()),
 		factory.RegisterFitPredicate("g-BaremetalResourceTypeFilter", &predicates.ResourceTypePredicate{}),
 		factory.RegisterFitPredicate("h-DiskschedtagFilter", &predicates.DiskSchedtagPredicate{}),
 		factory.RegisterFitPredicate("i-NetschedtagFilter", &predicates.NetworkSchedtagPredicate{}),
diff --git a/pkg/scheduler/algorithmprovider/defaults.go b/pkg/scheduler/algorithmprovider/defaults.go
index 2db82de958..3e10cda8cd 100644
--- a/pkg/scheduler/algorithmprovider/defaults.go
+++ b/pkg/scheduler/algorithmprovider/defaults.go
@@ -39,7 +39,7 @@ func defaultPredicates() sets.String {
 		factory.RegisterFitPredicate("g-GuestCPUFilter", &predicateguest.CPUPredicate{}),
 		factory.RegisterFitPredicate("h-GuestMemoryFilter", &predicateguest.MemoryPredicate{}),
 		factory.RegisterFitPredicate("i-GuestStorageFilter", &predicateguest.StoragePredicate{}),
-		factory.RegisterFitPredicate("j-GuestNetworkFilter", predicates.NewNetworkPredicate(nil)),
+		factory.RegisterFitPredicate("j-GuestNetworkFilter", predicates.NewNetworkPredicateWithNicCounter()),
 		factory.RegisterFitPredicate("k-GuestIsolatedDeviceFilter", &predicates.IsolatedDevicePredicate{}),
 		factory.RegisterFitPredicate("l-GuestResourceTypeFilter", &predicates.ResourceTypePredicate{}),
 		factory.RegisterFitPredicate("m-GuestDiskschedtagFilter", &predicates.DiskSchedtagPredicate{}),
diff --git a/pkg/scheduler/test/prepare.go b/pkg/scheduler/test/prepare.go
index 423ed0f6e1..7044072a5e 100644
--- a/pkg/scheduler/test/prepare.go
+++ b/pkg/scheduler/test/prepare.go
@@ -201,7 +201,7 @@ func buildScheduler(ctrl *gomock.Controller, networkNicCount map[string]int, pre
 		if networkNicGetter == nil {
 			fmt.Printf("networkNicGetter is nil")
 		}
-		ret["j-GuestNetworkFilter"] = pre.NewNetworkPredicate(networkNicGetter)
+		ret["j-GuestNetworkFilter"] = pre.NewNetworkPredicate().WithNetworkCountGetter(networkNicGetter)
 		return ret, nil
 	})
 	mockScheduler.EXPECT().PriorityConfigs().AnyTimes().DoAndReturn(func() ([]core.PriorityConfig, error) {