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My X-admin is 2.0. I went to 1.0 and copied the system.html. When I wrote the value at 4:40 in the video, an error was reported. Trying to get property 'title' of non-object
{include file="public/header"/}
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
{include file="public/header"/}