The same folder is under www. Just changing the names (a and demo) caused problems.

Question

When the folder demo saved under the www file in PHPstudy is opened in the browser, the picture does not display properly, but when the folder name is changed to a, the picture displays normally again.

力挽狂澜 · Answer

Visual inspection is that the image file address of your page is hard-coded, resulting in only one of them being displayed correctly

PHP中文网 · Answer

One file has this image, one does not, or it is the browser cache

PHP中文网 · Answer

The path is wrong