How to reslove When I save webpixel id failed

[Sun_boy]

When I use Graphql webPixelCreate success , but if I save webPIxel Id failed !

I do not Know , what can I do to get the webPixel Id.

If lose the webPxiel Id, I cannot query , delete , update

and I use   webPixelCreate get an error 'pixel is create， please use update' ！

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I get a plan to reslove this problem is to uninstall app and  then install app again,

Now I can use webPixelCeate to get a new webPxiel Id

So I realy want to know what can I use by graphql to get webPxiel Id to reslove the problem

blew is my code image