## 官方地址
- http://mobiledetect.net/ The lightweight PHP class for detecting mobile devices (including tablets).
- https://github.com/HaraldWalker/user-agent-utils Utilities for processing user-agent s
```Integrity constraint violation: 1052 Column 'id' in order clause is ambiguou``````phpclass User extends Backend{ protected $relationSearch = true;```关联查下时候 需要在控制器中添加 `relationSear