diff --git a/service.go b/service.go
index 57dc6ab..03666e3 100644
--- a/service.go
+++ b/service.go
@@ -6,8 +6,10 @@ type Service interface {
 	RegListens(items map[string]ResListener) error
 	RegGRpcs(items map[string]GRpc) error
 	RegJobs(items map[string]Job) error
+	RegCrons(items map[string]Cron) error
 	GetResListener(code string) (ResListener, bool)
 	GetAppController(code string) (Controller, bool)
 	GetAppGRpc(code string) (GRpc, bool)
 	GetAppJob(code string) (Job, bool)
+	GetCron(code string) (Cron, bool)
 }