diff --git a/plugin/cron/cron.go b/internal/cron/cron.go
similarity index 100%
rename from plugin/cron/cron.go
rename to internal/cron/cron.go
diff --git a/plugin/cron/cron_test.go b/internal/cron/cron_test.go
similarity index 100%
rename from plugin/cron/cron_test.go
rename to internal/cron/cron_test.go
diff --git a/plugin/cron/schedule.go b/internal/cron/schedule.go
similarity index 100%
rename from plugin/cron/schedule.go
rename to internal/cron/schedule.go
diff --git a/plugin/cron/schedule_test.go b/internal/cron/schedule_test.go
similarity index 99%
rename from plugin/cron/schedule_test.go
rename to internal/cron/schedule_test.go
index cde21fba..01048051 100644
--- a/plugin/cron/schedule_test.go
+++ b/internal/cron/schedule_test.go
@@ -5,7 +5,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/usememos/memos/plugin/cron"
+	"github.com/usememos/memos/internal/cron"
 )
 
 func TestNewMoment(t *testing.T) {