修复OpenAI API调用错误代码

修复后的代码：

he({ url: 'https://api.openai.com/dashboard/billing/credit_grants', headers: { 'Content-Type': 'application/json', Authorization: Bearer ${a.value} } }) .then(x => x.data) .then(l => { o.total_available = parseFloat(l.total_available).toFixed(2); o.total_used = parseFloat(l.total_used).toFixed(2); o.total_granted = parseFloat(l.total_granted).toFixed(2); });