diff --git a/pkg/cloudcommon/notifyclient/notify.go b/pkg/cloudcommon/notifyclient/notify.go
index d5c791f04f..b0841940a1 100644
--- a/pkg/cloudcommon/notifyclient/notify.go
+++ b/pkg/cloudcommon/notifyclient/notify.go
@@ -437,5 +437,5 @@ func FetchNotifyAdminRecipients(ctx context.Context, region string, users []stri
 func NotifyVmIntegrity(ctx context.Context, name string) {
 	data := jsonutils.NewDict()
 	data.Add(jsonutils.NewString(name), "name")
-	SystemExceptionNotifyWithResult(ctx, api.ActionChecksumTest, api.TOPIC_RESOURCE_DB_TABLE_RECORD, api.ResultFailed, data)
+	SystemExceptionNotifyWithResult(ctx, api.ActionChecksumTest, api.TOPIC_RESOURCE_VM_INTEGRITY_CHECK, api.ResultFailed, data)
 }
diff --git a/pkg/util/zeroclean/zeroclean.go b/pkg/util/zeroclean/zeroclean.go
index 0070696f9b..b3f4e79bbf 100644
--- a/pkg/util/zeroclean/zeroclean.go
+++ b/pkg/util/zeroclean/zeroclean.go
@@ -29,7 +29,10 @@ func ZeroFile(filename string) error {
 	if err != nil {
 		return errors.Wrap(err, "os.OpenFile")
 	}
-	defer f.Close()
+	defer func() {
+		f.Sync()
+		f.Close()
+	}()
 
 	info, err := f.Stat()
 	if err != nil {