Errolux 服務條款
最後更新日期：2026年6月
1. 條款之接受與變更
歡迎使用由 Errolux（以下簡稱「本服務」或「我們」）提供的數學錯題管理與學習輔助工具。當用戶（以下簡稱「用戶」或「您」）註冊、下載、安裝或開始使用本 App 時，即表示您已詳細閱讀、理解並同意接受本服務條款之所有內容。我們有權隨時修改本條款，修訂後的條款一經在 App 內或官方網站公佈即無限期生效。
2. 服務宗旨與合理使用政策 (Fair Use Policy)
本服務僅供學術用途、個人學習及數學錯題記錄與分析使用。為維護服務品質與伺服器安全，本服務對不同會員級別設有合理的上傳與儲存限制：
• 免費會員（Normal User）：每月享有 50 個新增錯題紀錄之限額，每月 1 號重置。
• 付費會員（Pro User — 包括月費、年費及終身買斷制）：享有無限總量之錯題記錄額度，惟為防止系統濫用，每日最高上傳上限為 100 個錯題單位。
3. 用戶行為規範與禁止事項
您在使用本服務上傳任何相片、圖片、文字或其他資料（以下簡稱「用戶內容」）時，必須遵守香港特別行政區之法律法規。本服務嚴禁上傳、發佈或傳輸以下內容：
• 任何違反版權、商標權或其他知識產權的受保護作品或非法複製物；
• 含有色情、裸露、性暗示、暴力、血腥、侮辱、誹謗、仇恨言論或任何引人反感之內容；
• 與本服務宗旨（數學與學術學習）完全無關之個人生活照、影視截圖、大容量備份檔案或惡意測試圖片；
• 任何包含惡意代碼、病毒或試圖破壞、干擾伺服器運作之數據檔案。
4. 惡意濫用之懲罰機制
若經系統監測或人工審查發現用戶存在惡意濫用行為（包括但不限於：利用自動化腳本或 Bot 惡意刷寫接口、將本服務當作通用雲端硬碟使用、上傳違規圖片等），官方有權在不事先通知的情況下，立即採取以下措施：限制部分功能、直接刪除違規數據、或永久封禁該用戶之賬號，且不予退還任何已繳付之費用（包括但不限於訂閱費及買斷費）。
5. 應用內購買 (IAP)、訂閱與退款政策 本服務之付費升級（Pro User）均透過 Apple App Store 的應用內購買（In-App Purchase）系統進行結算與代扣。
• 訂閱服務（月度/年度）將在到期前 24 小時內自動續期扣款，用戶可隨時於 Apple ID 帳戶設定中取消訂閱。
• 所有付費方案之款項均由 Apple 公司直接收取。除 Apple 官方退款政策明文規定或適用之法律要求外，所有已確認之交易均不設官方直接退款。
6. 免責聲明
本服務按「現狀」及「現有」基礎提供。我們雖透過技術手段（如 Cloud Functions 後端 WebP 轉檔優化與防火牆）維護數據安全，但不保證服務絕不中斷或數據永不丟失。用戶應自行對重要錯題進行必要之備份。因不可抗力或第三方網絡攻擊導致之數據損失，本服務不承擔損害賠償責任。
7. 管轄法律
本服務條款之解釋、效力及履行均受香港特別行政區法律管轄。如因本服務引起任何爭議，應首先友好協商解決；協商不成時，應提交至香港具有管轄權之法院審理。
Errolux Terms of Service
Last Updated: June 2026
TERMS OF SERVICE
1. Acceptance and Amendment of Terms
Welcome to the math error management and academic support tool provided by Errolux (hereinafter referred to as "the Service", "we", "us", or "our"). When a user (hereinafter referred to as "the User", "you", or "your") registers, downloads, installs, or begins using this App, it signifies that you have read, understood, and agreed to accept all the contents of these Terms of Service. We reserve the right to modify these terms at any time. The amended terms shall become indefinitely effective immediately upon being published within the App or on our official website.
2. Service Purpose and Fair Use Policy
This Service is provided strictly for academic purposes, personal learning, and math error logging and analysis. To maintain service quality and server security, the Service enforces reasonable upload and storage limits across different membership tiers:
Normal User (Free Tier): Enjoy a complimentary allowance of 50 new error logs per calendar month (automatically resetting on the 1st of every month). Historical logs remain accessible for review and search indefinitely for free.
Pro User (Paid Tiers — including Monthly, Annual, and Lifetime Pass): Enjoy an overall unlimited error logging allowance. However, to prevent system abuse, a strict fair-use upper limit of 100 upload units per dayis enforced.
3. User Conduct and Prohibited Items
When uploading any photos, images, text, or other materials (hereinafter referred to as "User Content") through this Service, you must comply with the laws and regulations of the Hong Kong Special Administrative Region (HKSAR). This Service strictly prohibits uploading, publishing, or transmitting the following content:
Any protected works or illegal reproductions that infringe upon copyrights, trademarks, or other intellectual property rights;
Content containing pornography, nudity, sexual innuendos, violence, gore, insults, defamation, hate speech, or anything deemed highly objectionable;
Personal lifestyle photos, screenshots of movies/TV shows, bulk backup files, or malicious test images completely unrelated to the purpose of this Service (math and academic learning);
Any data files containing malicious code, viruses, or attempts to disrupt and interfere with server operations.
4. Penalty Mechanism for Malicious Abuse
If our system monitoring or manual review detects malicious abuse by a user—including but not limited to: utilizing automated scripts or bots to spam interfaces, treating this Service as a generic cloud drive, or uploading non-compliant images—we reserve the right to immediately take the following actions without prior notice: restricting partial functionalities, directly deleting the non-compliant data, or permanently banning the user account. No refunds will be issued for any paid fees, including but not limited to subscription fees and one-time purchase fees.
5. In-App Purchases (IAP), Subscription, and Refund Policy
All paid upgrades (Pro User) for this Service are processed and handled via the Apple App Store's In-App Purchase (IAP) system.
Subscription services (Monthly/Annual) will automatically renew and charge within 24 hours prior to the expiration of the current period. Users can cancel their subscription at any time within their Apple ID Account Settings.
All payments for paid plans are collected directly by Apple Inc. Unless explicitly provided under Apple’s official refund policy or required by applicable laws, all confirmed transactions are strictly non-refundable directly by us.
6. Disclaimer of Warranties
The Service is provided on an "as is" and "as available" basis. While we utilize technical measures (such as backend Cloud Functions WebP conversion optimization and firewalls) to safeguard data security, we do not guarantee that the Service will be entirely uninterrupted or that data will never be lost. Users are advised to make necessary backups of their critical error logs. The Service assumes no liability for damages resulting from data loss caused by force majeure or third-party cyberattacks.
7. Governing Law
The interpretation, validity, and performance of these Terms of Service shall be governed exclusively by the laws of the Hong Kong Special Administrative Region (HKSAR). Any dispute arising out of or in connection with this Service shall first be resolved through friendly consultation. In the event that consultation fails, the dispute shall be submitted to the courts of competent jurisdiction in Hong Kong for adjudication.