diff --git a/pkg/apis/compute/cachedimage.go b/pkg/apis/compute/cachedimage.go
index 7cbe4d2357..be484b9094 100644
--- a/pkg/apis/compute/cachedimage.go
+++ b/pkg/apis/compute/cachedimage.go
@@ -30,6 +30,12 @@ type CachedImageManagerCacheImageInput struct {
 	ImageId string `json:"image_id"`
 }
 
+type CachedimageUsage struct {
+	// 此镜像被使用次数
+	// example: 0
+	CachedCount int `json:"cached_count"`
+}
+
 type CachedimageDetails struct {
 	apis.SharableVirtualResourceDetails
 
@@ -56,7 +62,7 @@ type CachedimageDetails struct {
 
 	// 此镜像被使用次数
 	// example: 0
-	CachedCount int `json:"cached_count"`
+	CachedimageUsage
 }
 
 type CachedImageSetClassMetadataInput struct {
diff --git a/pkg/apis/compute/host.go b/pkg/apis/compute/host.go
index 09ec50d60f..ed284f197d 100644
--- a/pkg/apis/compute/host.go
+++ b/pkg/apis/compute/host.go
@@ -274,6 +274,9 @@ type HostResourceInfo struct {
 	// 宿主机序列号
 	HostSN string `json:"host_sn"`
 
+	// 宿主是否启用
+	HostEnabled bool `json:"host_enabled"`
+
 	// 宿主机状态
 	HostStatus string `json:"host_status"`
 
diff --git a/pkg/compute/models/cachedimages.go b/pkg/compute/models/cachedimages.go
index 9e5cc8300d..986b930381 100644
--- a/pkg/compute/models/cachedimages.go
+++ b/pkg/compute/models/cachedimages.go
@@ -26,6 +26,7 @@ import (
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/log"
 	"yunion.io/x/pkg/errors"
+	"yunion.io/x/pkg/gotypes"
 	"yunion.io/x/pkg/tristate"
 	"yunion.io/x/pkg/util/httputils"
 	"yunion.io/x/pkg/util/rbacscope"
@@ -103,12 +104,16 @@ func (self SCachedimage) GetGlobalId() string {
 	return self.ExternalId
 }
 
-func (self *SCachedimage) ValidateDeleteCondition(ctx context.Context, info jsonutils.JSONObject) error {
-	cnt, err := self.getStoragecacheCount()
-	if err != nil {
-		return httperrors.NewInternalServerError("ValidateDeleteCondition error %s", err)
+func (self *SCachedimage) ValidateDeleteCondition(ctx context.Context, info *api.CachedimageDetails) error {
+	if gotypes.IsNil(info) {
+		info = &api.CachedimageDetails{}
+		count, err := CachedimageManager.TotalResourceCount([]string{self.Id})
+		if err != nil {
+			return err
+		}
+		info.CachedimageUsage, _ = count[self.Id]
 	}
-	if cnt > 0 {
+	if info.CachedCount > 0 {
 		return httperrors.NewNotEmptyError("The image has been cached on storages")
 	}
 	if self.GetStatus() == api.CACHED_IMAGE_STATUS_ACTIVE && !self.isReferenceSessionExpire() {
@@ -396,6 +401,54 @@ func (manager *SCachedimageManager) getImageInfo(ctx context.Context, userCred m
 	return manager.getImageByName(ctx, userCred, imageId, refresh)
 }
 
+func (cm *SCachedimageManager) query(manager db.IModelManager, field string, cacheIds []string, filter func(*sqlchemy.SQuery) *sqlchemy.SQuery) *sqlchemy.SSubQuery {
+	q := manager.Query()
+
+	if filter != nil {
+		q = filter(q)
+	}
+
+	sq := q.SubQuery()
+
+	return sq.Query(
+		sq.Field("cachedimage_id"),
+		sqlchemy.COUNT(field),
+	).In("cachedimage_id", cacheIds).GroupBy(sq.Field("cachedimage_id")).SubQuery()
+}
+
+type CachedimageUsageCount struct {
+	Id string
+	api.CachedimageUsage
+}
+
+func (manager *SCachedimageManager) TotalResourceCount(cacheIds []string) (map[string]api.CachedimageUsage, error) {
+	ret := map[string]api.CachedimageUsage{}
+
+	scSQ := manager.query(StoragecachedimageManager, "cached_cnt", cacheIds, nil)
+
+	caches := manager.Query().SubQuery()
+	cachesQ := caches.Query(
+		sqlchemy.SUM("cached_count", scSQ.Field("cached_cnt")),
+	)
+
+	cachesQ.AppendField(cachesQ.Field("id"))
+
+	cachesQ = cachesQ.LeftJoin(scSQ, sqlchemy.Equals(cachesQ.Field("id"), scSQ.Field("cachedimage_id")))
+
+	cachesQ = cachesQ.Filter(sqlchemy.In(cachesQ.Field("id"), cacheIds)).GroupBy(cachesQ.Field("id"))
+
+	counts := []CachedimageUsageCount{}
+	err := cachesQ.All(&counts)
+	if err != nil {
+		return nil, errors.Wrapf(err, "cachesQ.All")
+	}
+	for i := range counts {
+		ret[counts[i].Id] = counts[i].CachedimageUsage
+	}
+
+	return ret, nil
+}
+
 func (manager *SCachedimageManager) FetchCustomizeColumns(
 	ctx context.Context,
 	userCred mcclient.TokenCredential,
@@ -406,6 +459,7 @@ func (manager *SCachedimageManager) FetchCustomizeColumns(
 ) []api.CachedimageDetails {
 	rows := make([]api.CachedimageDetails, len(objs))
 	virtRows := manager.SSharableVirtualResourceBaseManager.FetchCustomizeColumns(ctx, userCred, query, objs, fields, isList)
+	cacheIds := make([]string, len(objs))
 	for i := range rows {
 		ci := objs[i].(*SCachedimage)
 		rows[i] = api.CachedimageDetails{
@@ -415,7 +469,15 @@ func (manager *SCachedimageManager) FetchCustomizeColumns(
 			OsVersion:                      ci.GetOSVersion(),
 			Hypervisor:                     ci.GetHypervisor(),
 		}
-		rows[i].CachedCount, _ = ci.getStoragecacheCount()
+		cacheIds[i] = ci.Id
+	}
+	usage, err := manager.TotalResourceCount(cacheIds)
+	if err != nil {
+		log.Errorf("TotalResourceCount error: %v", err)
+		return rows
+	}
+	for i := range rows {
+		rows[i].CachedimageUsage, _ = usage[cacheIds[i]]
 	}
 	return rows
 }
diff --git a/pkg/compute/models/guests.go b/pkg/compute/models/guests.go
index 091a48cc16..5ee724a73d 100644
--- a/pkg/compute/models/guests.go
+++ b/pkg/compute/models/guests.go
@@ -27,6 +27,7 @@ import (
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/log"
 	"yunion.io/x/pkg/errors"
+	"yunion.io/x/pkg/gotypes"
 	"yunion.io/x/pkg/tristate"
 	"yunion.io/x/pkg/util/billing"
 	"yunion.io/x/pkg/util/compare"
@@ -834,13 +835,22 @@ func (guest *SGuest) ValidatePurgeCondition(ctx context.Context) error {
 	return guest.validateDeleteCondition(ctx, true)
 }
 
-func (guest *SGuest) ValidateDeleteCondition(ctx context.Context, info jsonutils.JSONObject) error {
-	host, _ := guest.GetHost()
-	if host != nil && guest.GetHypervisor() != api.HYPERVISOR_BAREMETAL {
-		if !host.GetEnabled() {
+func (guest *SGuest) ValidateDeleteCondition(ctx context.Context, info *api.ServerDetails) error {
+	if gotypes.IsNil(info) {
+		info = &api.ServerDetails{}
+		host, err := guest.GetHost()
+		if err != nil {
+			return err
+		}
+		info.HostType = host.HostType
+		info.HostEnabled = host.Enabled.Bool()
+		info.HostStatus = host.HostStatus
+	}
+	if len(info.HostType) > 0 && guest.GetHypervisor() != api.HYPERVISOR_BAREMETAL {
+		if !info.HostEnabled {
 			return httperrors.NewInputParameterError("Cannot delete server on disabled host")
 		}
-		if host.HostStatus != api.HOST_ONLINE {
+		if info.HostStatus != api.HOST_ONLINE {
 			return httperrors.NewInputParameterError("Cannot delete server on offline host")
 		}
 	}
diff --git a/pkg/compute/models/hostresource.go b/pkg/compute/models/hostresource.go
index db1bd1dcd9..a4fbe57e02 100644
--- a/pkg/compute/models/hostresource.go
+++ b/pkg/compute/models/hostresource.go
@@ -105,6 +105,7 @@ func (manager *SHostResourceBaseManager) FetchCustomizeColumns(
 			rows[i].Host = host.Name
 			rows[i].HostSN = host.SN
 			rows[i].HostStatus = host.Status
+			rows[i].HostEnabled = host.Enabled.Bool()
 			rows[i].HostServiceStatus = host.HostStatus
 			rows[i].HostType = host.HostType
 			rows[i].ManagerId = host.ManagerId