Hi @Dennis_Yu, apologies I didn’t get back to you yet.
To be honest, I am having a hard time understanding the full logic applied by the Airtable node here. Perhaps you want to simply use an HTTP Request to perform the update you have in mind directly against Airtable’s API?
This way, you can avoid all custom logic applied by n8n’s Airtable node. You will still be able to re-use your existing credentials like so:
You’d need to specify the correct base and table IDs in the URL, and replace Multiselect in the Body Parameters section with the field you want to uclear.
Before:
After:
