## GORM Playground Link <!-- To ensure your issue be handled, the issue *MUST* include a GORM Playground Pull Request Link that can reproduce the bug, which is important to help others understand your issue effectively and make sure the issue hasn't been fixed, refer: https://github.com/go-gorm/playground Without the link, your issue most likely will be IGNORED CHANGE FOLLOWING URL TO YOUR PLAYGROUND LINK --> https://github.com/go-gorm/playground/pull/1 ## Description <!-- Your use case --> OpenDB 方法不存在,是更新了新版吗?