修改bug

mqtt_binding/mqtt_binding.go

@@ -91,7 +91,7 @@ func (item *BindItem[I, O]) bind(r *router.Router, bindingResponseIdentifier res
 		var inputModel I
 
 		// 请求的结构类型不为any
-		if inputType != nil {
+		if responseIdentifier != nil || inputType != nil {
 			// 将请求数据解析到inputModel中
 			if item.OptionalBindingFunc != nil {
 				ok := item.OptionalBindingFunc(mqttClientInstance, routerItem, &inputModel, item.ResponseFunc)