Vested balance went down

Hello
i have nano wallet and wanted to vest 10k xem…i waited and it went up even to 6000…then few days latter, when i havent even loged in …it went down to 2k…How is that possible ?

Maybe you do outgoing transaction?
Could you please paste your public address?

no i havent done any transactions since my goal is to vest 10k.
NAA4XD-PDFPDE-2RUODT-BD7QLG-I67WM2-KAI6HI-623B

Your vested balance is over 8k. You can check this at http://chain.nem.ninja/#/search/NAA4XD-PDFPDE-2RUODT-BD7QLG-I67WM2-KAI6HI-623B.
Maybe you are connected to not up to date node and your nano shows old data? Please try change node (green circle in top right corner).
Regards

Oh, thank you…but how can i know my node is not good one…it looks green…and please tell me, which node is best or good…?

You can verify your remote node height at https://nemnodes.org/nodes/

Thank you. You have been much help.

No problem.
Have a nice day