To change the 1688 link on the mobile phone to the computer version, you can follow the steps below:

First, open your mobile browser and enter the 1688 URL.

Then, at the bottom or upper right corner of the page, you will see an option of "computer version" or "PC version". Click this option and the page will refresh and display the computer version interface.

If you don't find this option, you can try to find "Request desktop version of the website" or a similar option in the browser settings. After enabling it, the page will switch to the computer version. In this way, you can browse and use 1688 on your computer.