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[FlypigW]

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1. Is this request related to a challenge you're experiencing? Tell me about your story.

Today, I updated Dify from version v0.8.2 to v1.1.3 by following the tutorial at https://docs.dify.ai/zh-hans/development/migration/migrate-to-v1. Before the update, I backed up the volume files as a precaution.

However, after completing the update, I found that only part of my previous workflows and knowledge bases were retained. Additionally, the accounts of other team members have disappeared.

I then tried to restore the backup by overwriting the current volume with my saved volume files, but it didn't work.

Could you please advise me on how I can recover my lost data?

2. Additional context or comments