数据库监听关闭问题
https://developers.weixin.qq.com/miniprogram/dev/wxcloud/guide/database/realtime.html
关闭监听时,文档中指示调用watcher.close()方法,但是会报错,提示 .close is not a function
https://developers.weixin.qq.com/miniprogram/dev/wxcloud/guide/database/realtime.html
关闭监听时,文档中指示调用watcher.close()方法,但是会报错,提示 .close is not a function