webdav的地址是 https://dav.jianguoyun.com/dav/，也把他在配置时加入白名单了，检查可用性是200成功，但是在同步的时候报错如下
8069-585fe05109d5b99c.js:1 [Sync] TypeError: Cannot read properties of undefined (reading ‘sessions’)
at chat-next-web-store (page-544b46985e33fccd.js:1:383507)
at page-544b46985e33fccd.js:1:384254
at Array.forEach ()
at S (page-544b46985e33fccd.js:1:384220)
at Object.sync (page-544b46985e33fccd.js:1:385505)
at async onClick (1239.e5bd8c1903fa2e9e.js:1:18876)
求佬帮忙，好不容易从nextchat自带部署搬到这里就是为了webdav，结果还是有问题 