diff --git a/common/pkgs/mq/scanner/event/event.go b/common/pkgs/mq/scanner/event/event.go
index d989d5f..67b8278 100644
--- a/common/pkgs/mq/scanner/event/event.go
+++ b/common/pkgs/mq/scanner/event/event.go
@@ -1,15 +1,14 @@
 package event
 
 import (
+	"gitlink.org.cn/cloudream/common/pkgs/types"
 	myreflect "gitlink.org.cn/cloudream/common/utils/reflect"
-	"gitlink.org.cn/cloudream/common/utils/serder"
 )
 
 type Event interface{}
 
-var eventUnionEles = serder.NewTypeNameResolver(true)
-var EventTypeUnino = serder.NewTypeUnion[Event]("@type", eventUnionEles)
+var EventTypeUnino = types.NewTypeUnion[Event]()
 
 func Register[T any]() {
-	eventUnionEles.Register(myreflect.TypeOf[T]())
+	EventTypeUnino.Add(myreflect.TypeOf[T]())
 }