要解决此问题，我做到了:

To solve this problem i did this:

1-从项目结构中删除.idea文件夹.

1 - Delete the .idea folder from the project structure.

2-然后重新打开项目.

2 - Then reopen the project.

项目将打开文件夹作为模块.

The project will open the folders as modules.