diff --git a/app/core/model/dto.go b/app/core/model/dto.go
index a4134b9..c473b68 100644
--- a/app/core/model/dto.go
+++ b/app/core/model/dto.go
@@ -3,12 +3,12 @@ package model
 // ==== Message ====
 
 type MessageCreateReq struct {
-	Type         int    `json:"type"`
-	TargetId     string `json:"target_id"`
-	Content      string `json:"content"`
-	Quote        string `json:"quote"`
-	Nonce        string `json:"nonce"`
-	TempTargetId string `json:"temp_target_id"`
+	Type         EventType `json:"type"`
+	TargetId     string    `json:"target_id"`
+	Content      string    `json:"content"`
+	Quote        string    `json:"quote"`
+	Nonce        string    `json:"nonce"`
+	TempTargetId string    `json:"temp_target_id"`
 }
 
 type MessageUpdateReq struct {
diff --git a/app/example/example.go b/app/example/example.go
index e520ba7..cded771 100644
--- a/app/example/example.go
+++ b/app/example/example.go
@@ -12,7 +12,6 @@ import (
 func main() {
 
 	common.InitLogger()
-
 	globalSession, err := session.CreateSession("Your kook-go bot token", true)
 	if err != nil {
 		log.Errorf("%s", err)