UPDATE `provider_configs`
SET `cost_rule_json` = JSON_SET(
    `cost_rule_json`,
    '$.price_per_second', 0.9936,
    '$.currency', 'CNY',
    '$.max_cost_per_call', 20,
    '$.daily_cost_limit', 500,
    '$.note', '按火山方舟公开价格估算：720p、24fps、无视频输入约 46 元/百万 token，即约 0.9936 元/秒；最终以账单为准。'
  )
WHERE `provider_type` = 'VideoProvider'
  AND `provider_code` IN ('volcengine_seedance_20_fast', 'volcengine_seedance_20');