First click on the official download, in the Firefox's Downloads list, click Right click to select Copy Download Link, for example,
https://az764295.vo.msecnd.net/stable/8490d3dde47c57ba65ec40dd192d014fd2113496/code_1.53.0-1612368357_amd64.deb Replace the above link https://az764295.vo.msecnd.net with http://vscode.cdn.azure.cn, that is, the replacement download link is,
http://vscode.cdn.azure.cn/stable/8490d3dde47c57ba65ec40dd192d014fd2113496/code_1.53.0-1612368357_amd64.deb Open this new link directly in the browser address bar, you can download it quickly!