Next, we'll provide validation of the log-in by adding a conditional transition from the branch node to the Login view, which is used when the log-in is unsuccessful.
接下来，我们将通过添加从分支节点到Login视图的条件转换来提供登录验证，通常在没有成功登录时，使用这一操作。
Next, we'll provide validation of the log-in by adding a conditional transition from the branch node to the Login view, which is used when the log-in is unsuccessful.
接下来，我们将通过添加从分支节点到Login视图的条件转换来提供登录验证，通常在没有成功登录时，使用这一操作。
应用推荐