xiaopeng-he

Good, I agree.

I have tried it in that way actually, but it doesn't work. I don't know the reason. And now, the data-tokens doesn't work perfectly, maybe it's affectted by other js...

`sessionBackupAsync ` is not helpful. Maybe you didn't understand the situation, that the problem is business code waste long time, but not operation for mc. I hope, support update mc...