refactor: 重构消息发送模型

model/action.go

@@ -0,0 +1,15 @@
+package model
+
+type Action struct {
+	Action string                 `json:"action"`
+	Params map[string]interface{} `json:"params"`
+}
+
+func GenDrawbackPkg(msgId int32) Action {
+	return Action{
+		Action: "delete_msg",
+		Params: map[string]interface{}{
+			"message_id": msgId,
+		},
+	}
+}