dir appears when dede program opens install installation

I just found an open source dede program on the Internet, and dir appeared when I opened the install installation. The solution is as follows: 1. Delete the index.html and install_lock.txt (some need to delete install.lock) files under install; 2. Change the index.php.bak file under install to index. php; module-install.php.bak is changed to module-install.php3.Domain name/install and reinstall it.

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The above introduces the dir that appears when the dede program is opened and installed, including the content. I hope it will be helpful to friends who are interested in PHP tutorials.