diff --git a/pkg/compute/models/cloudproviders.go b/pkg/compute/models/cloudproviders.go
index ddb6648421..e11c8e704a 100644
--- a/pkg/compute/models/cloudproviders.go
+++ b/pkg/compute/models/cloudproviders.go
@@ -1473,8 +1473,11 @@ func (provider *SCloudprovider) markProviderDisconnected(ctx context.Context, us
 	if err != nil {
 		return err
 	}
-	provider.SetStatus(userCred, api.CLOUD_PROVIDER_DISCONNECTED, reason)
-	return provider.ClearSchedDescCache()
+	if provider.Status != api.CLOUD_PROVIDER_DISCONNECTED {
+		provider.SetStatus(userCred, api.CLOUD_PROVIDER_DISCONNECTED, reason)
+		return provider.ClearSchedDescCache()
+	}
+	return nil
 }
 
 func (cprvd *SCloudprovider) updateName(ctx context.Context, userCred mcclient.TokenCredential, name, desc string) error {
diff --git a/pkg/compute/models/hosts.go b/pkg/compute/models/hosts.go
index ebc6a0e6bb..b9c9fd59dc 100644
--- a/pkg/compute/models/hosts.go
+++ b/pkg/compute/models/hosts.go
@@ -1929,8 +1929,7 @@ func (hh *SHost) syncWithCloudHost(ctx context.Context, userCred mcclient.TokenC
 		return nil
 	})
 	if err != nil {
-		log.Errorf("syncWithCloudZone error %s", err)
-		return err
+		return errors.Wrapf(err, "syncWithCloudZone")
 	}
 
 	db.OpsLog.LogSyncUpdate(hh, diff, userCred)
@@ -1946,8 +1945,10 @@ func (hh *SHost) syncWithCloudHost(ctx context.Context, userCred mcclient.TokenC
 		return err
 	}
 
-	if err := HostManager.ClearSchedDescCache(hh.Id); err != nil {
-		log.Errorf("ClearSchedDescCache for host %s error %v", hh.Name, err)
+	if len(diff) > 0 {
+		if err := HostManager.ClearSchedDescCache(hh.Id); err != nil {
+			log.Errorf("ClearSchedDescCache for host %s error %v", hh.Name, err)
+		}
 	}
 
 	return nil
diff --git a/pkg/compute/tasks/cloud_provider_sync_info_task.go b/pkg/compute/tasks/cloud_provider_sync_info_task.go
index b5658977c8..4c673dd0ca 100644
--- a/pkg/compute/tasks/cloud_provider_sync_info_task.go
+++ b/pkg/compute/tasks/cloud_provider_sync_info_task.go
@@ -100,7 +100,6 @@ func (self *CloudProviderSyncInfoTask) OnSyncCloudProviderPreInfoCompleteFailed(
 
 func (self *CloudProviderSyncInfoTask) OnSyncCloudProviderInfoComplete(ctx context.Context, obj db.IStandaloneModel, body jsonutils.JSONObject) {
 	provider := obj.(*models.SCloudprovider)
-	provider.CleanSchedCache()
 	db.OpsLog.LogEvent(provider, db.ACT_SYNC_HOST_COMPLETE, "", self.UserCred)
 	logclient.AddActionLogWithStartable(self, provider, getAction(self.Params), body, self.UserCred, true)
 	self.SetStageComplete(ctx, nil)
@@ -108,7 +107,6 @@ func (self *CloudProviderSyncInfoTask) OnSyncCloudProviderInfoComplete(ctx conte
 
 func (self *CloudProviderSyncInfoTask) OnSyncCloudProviderInfoCompleteFailed(ctx context.Context, obj db.IStandaloneModel, body jsonutils.JSONObject) {
 	provider := obj.(*models.SCloudprovider)
-	provider.CleanSchedCache()
 	db.OpsLog.LogEvent(provider, db.ACT_SYNC_HOST_FAILED, "", self.UserCred)
 	logclient.AddActionLogWithStartable(self, provider, getAction(self.Params), body, self.UserCred, false)
 	self.SetStageFailed(ctx, nil)