In fact, it is very simple, it is to change the path of the picture to be dynamic, it is OK. When saved, it is determined based on the SRC's suffix name of the picture, because no image of the image is found, so it is defeted to BMP. Demo1.htm ========== demo.asp: ========== <% response.Redirect (" http://localhost/blog/Images/cc.png ")%> =================== in the above way is OK!