fromObject zooms in after it's called

[guminlianren]

I called fromObject ：The parameters are correct
viewport{
"x": 921.5,
"y": 535.5,
"zoom": 1
}，"zoom": 1
is not configured with fit-view-on-init. I tried await fromObject and called onInit((vueFlowInstance) => {
vueFlowInstance.fitView();
});