Contact
联系我们
产品反馈、数据纠错、账号与退款、商务合作——发邮件即可。通常 2 个工作日内回复。
Contact us
Product feedback, data corrections, account & refunds, partnerships—email is enough. We usually reply within 2 business days.
来信请尽量附上注册邮箱；退款请注明订单号（见 退款政策）。
Please include your account email; for refunds, add the order ID (see Refund Policy).
你可以找我们做什么
What to write about
Product & extension
Feature ideas, bugs, badge issues. Include browser / extension version and a page URL when possible.
Data corrections
Subject “Data correction” with journal title / ISSN, wrong field + correct value, and an official source link.
Account & billing
Sign-in, trial, Pro / Max, edu pricing, missing entitlements. See Pricing and Refunds.
Business
Partnerships, API, content—use subject “Business”.