Sichuan Octopus Classroom Technology Co., Ltd. and its affiliates (hereinafter referred to as "Octopus Classroom" or "we") respect and protect the privacy rights of all users who use the services of Octopus Classroom. When you use our "DuckPTE" application (hereinafter collectively referred to as "DuckPTE" or "DuckPTE app") and its related services, we may collect and use your relevant information. Through this Privacy Policy, we would like to explain to you how we collect, store, protect, and use your personal information, and clearly introduce how we handle your personal information. This Privacy Policy is related to your use of Octopus Classroom services, so we recommend that you read it in full to help you better protect your privacy.
If you have any questions about this Privacy Policy, you can contact us through the contact information published on our platform. If you do not agree with any content of this Privacy Policy, you should immediately stop using our services. When you use any of the services we provide, it means that you have agreed to our lawful use and protection of your personal information in accordance with this Privacy Policy.
1. Scope of Application
This Privacy Policy applies to our platform services. When you access our platform and/or log in to the relevant client to use our platform services, this Privacy Policy applies.
It should be specially noted that this Privacy Policy does not apply to services provided to you by other third parties. For example, when a third party relies on our platform to provide services to you, the personal information you provide to the third party is not subject to this Privacy Policy, and we are not responsible for any third party's use of the information you provide.
2. Information Collection
When we provide services, we may collect, store, and use the following information related to you. The purpose of collecting information is to provide you with better and higher-quality services. The ways we collect information are as follows:
1. Information you provide
When you register an account and/or use or pay for our related services, you fill in and/or submit information, including your name, gender, nationality, language, occupation, education, age, ID number, phone number, email address, address, interests, payment account, and related additional information (such as your province and city, postal code, etc.).
Information you share with others through our services, as well as information you store when using our services.
2. Information collected during your use of the services
In order to provide and optimize the services you need, we may collect information related to your use of the services, including:
* (1) Device information: When you use the APP (including foreground silent, running, or background running), we may receive and record device-related information (including device model, operating system version, device settings, device environment, telecom operator, and other software and hardware characteristic information), device location information (including GPS location authorized by you, IP address, WLAN access point, Bluetooth, and base station sensor information);
* (2) Log information: When you use our services, the system may automatically collect technical information through cookies or other means to determine your country and language used;
* (3) Service log information: When you use the products or services provided by our website or client, we automatically collect detailed usage information as service logs, including browsing, clicking, search queries, favorites, transactions, after-sales, following and sharing information, publishing information, as well as IP address, browser type, telecom operator, language used, access date and time;
* (4) Information searched or browsed when using our services, such as web search terms you use, URLs of social media pages you visit, and other information and content details you browse or request when using our services;
* (5) Information about the mobile applications (APP) and other software you have used, as well as information about your previous use of such mobile applications and software;
* (6) Information about communications you conduct through our services, such as communication account, communication time, data, and duration;
* (7) Information contained in the content you share through our services (metadata), such as date, time, or location of photos or videos taken;
* (8) Information provided and recorded when using our services, including but not limited to purchasing courses, etc.
Our cookies do not collect additional information from your computer browser or hard drive. Most browsers have options to refuse to store data on your computer in cookies. You can modify your acceptance of cookies or refuse our cookies, but we do not recommend this setting, as it may affect your secure access to our related websites and the use of our services in some cases.
3. Sensitive Permission Access
* (1) Camera: For functions such as uploading avatars and pictures;
* (2) Microphone: For functions such as uploading recordings;
* (3) Photo album (gallery): For functions such as uploading avatars and pictures;
* (4) Clipboard: For copying and pasting when editing content, and for content change comparison functions;
* (5) Network communication: For communication with the server;
* (6) Notification permission: For message push reminder functions;
* (7) Storage permission: For functions such as downloading pictures and files.
The above functions may require you to enable permissions such as camera, microphone, photo album, clipboard, network, phone, and storage read/write on your device for us to collect and use the information involved in these functions. Please note that enabling these permissions means you authorize us to collect and use this information to achieve the above functions. If you cancel these authorizations, we will no longer collect and use your information, nor can we provide you with the corresponding functions related to these authorizations.
If we collect or use your information outside the above situations, we will seek your consent in advance and fully inform you of the purpose, method, and scope of information collection and use.
4. Third-party SDKs
To ensure the implementation of certain independent functions and enable you to use and enjoy more services and functions, we will carefully evaluate the purpose of using such SDKs before embedding third-party SDKs in the application:
Umeng Mobile Statistics SDK:
If you use the Android version of the DuckPTE app, to optimize the app and ensure you use our information push services, the provider of Umeng+ Mobile Statistics SDK may collect device information (Android ID/IDFA/OAID/OpenUDID/GUID/device serial number IMEI/IMSI/ICCID/network information/location information/app list/specified package name information, etc.) when you use the APP (including foreground silent, running, or background running). For details, see the "[Umeng+] Privacy Policy" https://www.umeng.com/page/policy
WeChat OpenSDK:
If you use the iOS or Android version of the DuckPTE app, to provide you with WeChat login, registration, sharing, and payment functions, the provider of WeChat OpenSDK may collect device information (such as device serial number IMEI/IMSI, SIM card serial number/MAC address), network information, and location information when you use the APP (including foreground silent, running, or background running). For details, see the "WeChat Open SDK Personal Information Processing Rules" https://support.weixin.qq.com/cgi-bin/mmsupportacctnodeweb-bin/pages/RYiYJkLOrQwu0nb8
QQ Connect SDK:
If you use the iOS or Android version of the DuckPTE app, to provide you with QQ login, registration, sharing, and payment functions, the provider of QQ Connect SDK may collect device information (such as device serial number IMEI/IMSI, SIM card serial number/MAC address), network information, and location information when you use the APP (including foreground silent, running, or background running). For details, see the "QQ Connect SDK Privacy Protection Statement" https://wiki.connect.qq.com/qq互联sdk隐私保护声明
Weibo Mobile SDK:
If you use the iOS or Android version of the DuckPTE app, to provide you with Weibo login, registration, and sharing functions, the provider of Weibo Mobile SDK may collect device information (such as device serial number IMEI/IMSI/OAID, SIM card serial number/MAC address), network information, and location information when you use the APP (including foreground silent, running, or background running). For details, see the "Weibo SDK Personal Information Protection Policy" https://open.weibo.com/wiki/Sdk/privacy
小米推送：
Xiaomi Push:
If you use the Android version of the DuckPTE app, to ensure you receive our information push services, the provider of Xiaomi Push may collect device information (device serial number IMEI, device model, phone operating system, etc.), app information (app version number, etc.), network-related information (IP or domain connection results, current network type), system language information, message sending result information, etc. when you use the APP (including foreground silent, running, or background running). For details, see the "Xiaomi Push Privacy Policy" https://dev.mi.com/console/doc/detail?pId=1822
Huawei Push SDK:
If you use the Android version of the DuckPTE app, to ensure you receive our information push services, the provider of Huawei Push SDK may collect app version number, app package name, app AppId, open capability or sub-capability identifier, interface call identifier, interface call result, interface response delay, device model, network connection type, etc. For details, see "Huawei Open Platform" https://developer.huawei.com/cn
Meizu Push SDK:
If you use the Android version of the DuckPTE app, to ensure you receive our information push services, the provider of Meizu Push SDK may collect device information (device serial number IMEI, device model, phone operating system, etc.), app information (app version number, etc.), network-related information (IP or domain connection results, current network type), system language information, message sending result information, etc. For details, see "Meizu Open Platform" https://open.flyme.cn
OPPO PUSH Client SDK:
If you use the Android version of the DuckPTE app, to ensure you receive our information push services, the provider of OPPO PUSH Client SDK may collect device information (such as device serial number IMEI, Serial Number, IMSI, User ID, Android ID, Google Advertising ID, phone region settings, device model, phone battery, phone operating system version and language), app information using push services (such as app package name and version number, running status), push SDK version number, network-related information (such as IP or domain connection results, current network type), message sending results, notification bar status (such as notification bar permissions, user click behavior), lock screen status (such as whether the screen is locked, whether lock screen notifications are allowed) when you use the APP (including foreground silent, running, or background running). For details, see the "OPUSH SDK Personal Information Protection Policy" https://open.oppomobile.com/new/developmentDoc/info?id=11228
vivo PUSH-SDK:
If you use the Android version of the DuckPTE app, to ensure you receive our information push services, the provider of vivo PUSH-SDK may collect device information (such as device serial number IMEI, Serial Number, IMSI, User ID, Android ID, Google Advertising ID, phone region settings, device model, phone battery, phone operating system version and language), app information using push services (such as app package name and version number, running status), push SDK version number, network-related information (such as IP or domain connection results, current network type), message sending results, notification bar status (such as notification bar permissions, user click behavior), lock screen status (such as whether the screen is locked, whether lock screen notifications are allowed) when you use the APP (including foreground silent, running, or background running). For details, see the "vivo Push Platform Service Agreement" https://dev.vivo.com.cn/documentCenter/doc/366.
Sentry SDK:
If you use the iOS or Android version of the DuckPTE app, to facilitate monitoring application errors and collecting crash issues, the provider of Sentry SDK may collect device information such as IP address, device type, unique device identifier, browser type, operating system, software installed on the device/specified package name information, product key, general location information (such as information inferred from IP address), and referrer URL when you use the APP (including foreground silent, running, or background running). For details, see the "Sentry SDK Privacy Policy" https://sentry.io/privacy
For more information about the purpose, method, and scope of SDKs processing personal information, please refer to the "Third-party SDK Information Collection and Sharing List".
5. Self-start or Associated Start Instructions
* (1) Without your consent and without a reasonable usage scenario, we will not self-start or associate start other apps;
* (2) The DuckPTE app provides a local scheduled study reminder function. After you agree to this privacy policy and exit the app after use, the app will perform self-start or associated start to push study reminder information to you. If you want to cancel, please go to phone settings - permission settings - self-start, and turn it off;
* (3) When you access web pages not supported by the in-app WebView (such as file download pages) or actively choose to open with an external browser, a third-party app will be associated and started.
3. Use of Information
Collecting your personal information (including device serial number IMEI, IMSI, device MAC address, location, phone number, pictures, audio and video, etc.) is to provide you with services and improve service quality. To achieve this purpose, we may use your information for the following purposes:
1. To provide you with the services you use, and to design, maintain, and improve these services;
2. For identity verification, customer service, security prevention, fraud monitoring, archiving, and backup purposes when we provide services, to ensure the security of the products and services we provide to you;
3. To match suitable learning advisors and learning content for you based on your needs, region, age, occupation, language ability, background, interests, learning preferences, etc.;
4. Software authentication or management of software upgrades;
5. To provide you with more relevant advertisements instead of general advertisements;
6. To allow you to participate in surveys, promotions, and sweepstakes related to our products and services;
7. Other uses permitted by your consent.
4. Information Sharing
We are obliged to keep your personal information (including device serial number IMEI, IMSI, device MAC address, location, phone number, pictures, audio and video, etc.) confidential and will not sell or rent any of your information to third parties. We will only share your information with third parties in the following circumstances, and your use of our services is deemed as your consent for us to share your information with third parties in the following circumstances:
1. With your prior consent or authorization;
2. In accordance with the provisions of laws and regulations or the requirements of administrative or judicial authorities;
3. Sharing your personal information with our affiliates;
4. Third-party SDKs required for functions and services. For specific purposes, methods, and scope, please refer to the "Third-party SDK Information Collection and Sharing List";
5. Providing your personal information to trusted partners so that they can process this information for us in accordance with our instructions and in compliance with our Privacy Policy and any other relevant confidentiality and security measures;
6. If you are an eligible intellectual property complainant and have filed a complaint, your information may be disclosed to the respondent at the request of the respondent to facilitate the resolution of possible rights disputes between the parties;
7. Only by sharing your information can we provide you with the services you need or handle disputes or controversies between you and others. For example, in a transaction you create on our platform, if either party to the transaction fulfills or partially fulfills the transaction obligation and requests information disclosure, we may provide the necessary information such as the contact information of the counterparty to the user as appropriate to facilitate the completion of the transaction or the resolution of the dispute;
8. If you violate relevant Chinese laws, regulations, or our relevant agreements or rules, your information may need to be disclosed to third parties;
9. To detect, prevent, or address fraud, security, or technical issues;
10. In emergency situations, to protect the interests of users and the public;
11. To protect the legitimate rights and interests of us and our affiliates or users.
5. Information Protection
To ensure the security of your information, we strive to take various reasonable physical, electronic, and managerial security measures to protect your information from being leaked, damaged, or lost, including but not limited to SSL, encrypted information storage, and access control to data centers. We also strictly manage employees or outsourced personnel who may have access to your information, including but not limited to different permission controls based on positions, signing confidentiality agreements with them, and monitoring their operations. We will provide corresponding security measures according to the current technology to protect your information and provide reasonable security guarantees. We will do our best to ensure that your information is not leaked, damaged, or lost.
Your account has security protection functions. Please keep your account and password information properly. We will ensure that your information is not lost, misused, or altered through security measures such as backing up to other servers and encrypting user passwords. Despite the above security measures, please also understand that there is no "perfect security measure" on the information network.
When using our platform services for online transactions, you inevitably need to disclose your personal information, such as bank account information, contact information, or postal address, to the counterparty or potential counterparty. Please protect your personal information properly and only provide it to others when necessary. If you find that your personal information has been leaked, especially if your account and password have been leaked, please contact our customer service immediately so that we can take corresponding measures.
You have the right to manage your personal information, including inquiring about and correcting your account information. You can perform the above operations through the function settings provided in the App.
You can independently go to "Settings - Personal Settings - Cancel Account" in the app to cancel your account. Before cancellation, we will verify your mobile phone number and other information. Account cancellation is an irreversible action. Once you cancel your account, we will no longer collect your personal information and will immediately delete all information related to your account. At the same time, you will not be able to obtain our product services through the canceled account.
6. Protection of Minors
We encourage parents or legal guardians (hereinafter collectively referred to as "guardians") to guide minors under the age of eighteen to use our services. We recommend that minors encourage their guardians to read this Privacy Policy and suggest that minors seek the consent and guidance of their guardians before submitting personal information. Octopus Classroom will establish and maintain reasonable procedures to protect the confidentiality and security of minors' personal data.
7. Disclaimer
We are not responsible for the following situations:
* Any personal data leakage caused by you telling others your user password or sharing your registered account with others.
* Any personal data leakage, loss, theft, or tampering caused by force majeure such as hacker attacks, computer virus intrusion or outbreaks, or temporary shutdowns caused by government regulation that affect the normal operation of the network.
* Any personal data leakage and any legal disputes and consequences caused by other websites linked to this website.
8. Changes
We may revise the terms of this Privacy Policy from time to time, and such revisions constitute part of this Privacy Policy. If such revisions result in a substantial reduction of your rights under this Privacy Policy, we will notify you by prominently displaying a notice on our platform or by sending you an email or otherwise. In such cases, if you continue to use our services, it means that you agree to be bound by the revised Privacy Policy.
9. Contact Us
If you have any questions, comments, or suggestions about this Privacy Policy, please contact us in the following ways:
Sichuan Octopus Classroom Technology Co., Ltd.
Email: support@duckpte.com
Address: Room 1709, Block A, Times Square, No. 2 Zongfu Road, Jinjiang District, Chengdu, Sichuan
In general, we will reply within fifteen working days.
This agreement will take effect on June 26, 2026.