Custom nodes disappear after saving in Revit 2025

Packages
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I had few but not much custom nodes.I made those nodes in Revit 2023 and dynamo 2.16.Today I decide to upgrade them to Revit 2025.However I found nodes disappear if I edit and save them.
I simply copy my package folder first,but I found it happens too if I use package manager to publish it locally.

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@mavs013 ,

maybe it is related to this topic

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Thank you for your reply.