流启动时的初始输入目录扫描将填充与输入模式匹配并等待由消息流处理的输入文件列表。
An initial scan of the input directory when the flow is started populates a list of input files that match the input pattern and are waiting to be processed by the message flow.
如果忘记了已经将哪些图像添加到此集合，可以通过转到Maintenance菜单，扫描所有目录来寻找新图像。
If you forget what images you've added to the collection, you can save time looking for them by going to the Maintenance menu to scan all directories for new images.
会打开如图9所示的“分布式扫描根目录”页面。
应用推荐