diff --git a/cron.go b/cron.go
index 37bf0f7..9e373f6 100644
--- a/cron.go
+++ b/cron.go
@@ -1,7 +1,5 @@
 package contracts
 
-import "time"
-
 type CronService interface {
 	Start() error
 	Stop() error
@@ -11,13 +9,13 @@ type CronService interface {
 type Cron interface {
 	Controller
 	// 任务处理
-	Run(time.Time) error
+	Run(User) error
 }
 
 type CronBase struct {
 	Controller
 }
 
-func (CronBase) Run(t time.Time) error {
+func (CronBase) Run(User) error {
 	return nil
 }