diff --git a/action/action.go b/action/action.go
index c887d40..e66936e 100644
--- a/action/action.go
+++ b/action/action.go
@@ -98,7 +98,7 @@ func (am *actionManager) SendForward(reply *model.Reply) error {
 	return nil
 }
 
-func (am *actionManager) DrawbackMsg(msgId int32) error {
+func (am *actionManager) DrawbackMsg(msgId string) error {
 	withDrawPkg := model.GenDrawbackPkg(msgId)
 	withDrawPkgJson, err := json.Marshal(withDrawPkg)
 	if err != nil {
diff --git a/handler/drawback/drawback.go b/handler/drawback/drawback.go
index df405a2..91c1920 100644
--- a/handler/drawback/drawback.go
+++ b/handler/drawback/drawback.go
@@ -22,7 +22,7 @@ func drawback(msg model.Message) *model.Reply {
 			FromMsg:        msg,
 		}
 	}
-	action.ActionManager.DrawbackMsg(int32(msgIdToDrawback.Data.ID))
+	action.ActionManager.DrawbackMsg(msgIdToDrawback.Data.ID)
 	return &model.Reply{
 		ReplyMsg:       "",
 		ReferOriginMsg: false,
diff --git a/model/action.go b/model/action.go
index 00477e3..514c3cf 100644
--- a/model/action.go
+++ b/model/action.go
@@ -5,7 +5,7 @@ type Action struct {
 	Params map[string]interface{} `json:"params"`
 }
 
-func GenDrawbackPkg(msgId int32) Action {
+func GenDrawbackPkg(msgId string) Action {
 	return Action{
 		Action: "delete_msg",
 		Params: map[string]interface{}{