curl --location --request POST 'https://developer.salesmartly.com/api/v2/batch-update-label' \
--header 'external-sign;' \
--form 'update_label_names="米饭,男"' \
--form 'ids="chat_user_id"' \
--form 'project_id="b87x3n"' \
--form 'update_type="append"'
{}