By default, the overlay icon for a folder will indicate "modified" if any of the files in the folder are modified.

默认的，一个文件夹的重叠图标，如果该文件夹下有文件被修改，图标指示修改。

youdao

A green rectangle icon overlay, as illustrated in Figure 7, indicates that the model project is under source control.

一个绿色的矩形图标会覆盖，如图7所示，它显示了模型项目置于源代码控制之下。

youdao

Click on the Add a layer style button at the bottom of the Layers Panel (the first icon from the left) and click on Gradient Overlay.

点击图层面板底端的添加图层样式按钮(从左数第一个图标)，并点击渐变叠加。

youdao