Update Date: April 17, 2026

Effective Date: April 17, 2026

Welcome to the "Railway Travel Guide" products and services.

The Railway Travel Guide service products are owned and operated by [Hefei Jiniangu Technology Co., Ltd.] (hereinafter referred to as "we"). We highly value your data security and personal privacy. Please read this Privacy Policy before using our products and services to understand our rules for collecting, using, storing, and disclosing your personal information, as well as other processing rules. Only use our products or services after you have fully understood and agreed to them.

Railway Travel Guide respects and protects the personal privacy of users who use the service. To provide you with more accurate and secure services, we will process your personal information in accordance with the provisions of this Privacy Policy. Unless otherwise required by laws and regulations or otherwise stated in this policy, we will not provide your personal information to third parties for purposes inconsistent with this policy without your consent; when you use specific functions (such as third-party SDKs, third-party artificial intelligence model services, etc.), we will, to the extent necessary to realize that function, provide relevant information to or have it processed by the corresponding third party in accordance with this policy and supporting instructions. We may update this policy from time to time; after an update, we will notify you through in-app prompts, etc.; if you continue to use the service, it means you understand and accept the updated policy.

Once you use the Railway Travel Guide service, it means you have fully understood and agreed that we collect, use, store, and share your relevant information in accordance with this Privacy Policy. If you have any questions, comments, or suggestions regarding the content of this policy, you can contact us through the contact information provided at the end of this Privacy Policy.

I. What User Information We Collect

1. Information You Voluntarily Provide

Personal information you voluntarily provide. Personal information refers to various types of information that can identify a natural person's identity, either alone or in combination with other information. Unless we have your consent, we will not collect your personal information without authorization. When you register an account or use our services, you may provide us with your relevant personal information as required by the function. For example, when you register a Railway Travel Guide APP account, you need to provide us with your phone number or email address; when you communicate with our customer service team, you may also provide some personal information.

Other non-personal information you voluntarily provide. For example, when you use our Railway Travel Guide, we will collect and save the voice, conversation content, etc., during your use to better optimize our product functions and user experience. Among them, content such as text or images related to intelligent conversations, skills, memory documents, etc., may be processed by the third-party artificial intelligence service you choose. See "II. Third-Party Artificial Intelligence Services" below for details.

2. Information We Automatically Collect When You Use Our Services

Log Information. When you use our products and services, we may automatically collect certain information through Cookies or other methods and store it in server logs. Such information may include: detailed usage of products and services, such as the time you open the APP, duration of use, page addresses visited; habit statistics data; device event information, such as crashes, system activities, etc.; IP address, etc. To the extent that specific natural persons cannot be identified, such data may be used anonymously or in aggregate form.

Your Device Information: If you use our services through a mobile device, we will obtain relevant permissions for your device, such as network permission, location permission, file read permission, Bluetooth permission, photo read permission, camera permission, etc. Through these permissions, we can identify the approximate location of your mobile device, provide device scanning and connection services, modify avatars, synchronize information, and other functions. In addition, the information we collect includes but is not limited to the brand, model, operating system, resolution, screen size, operating system version, Bluetooth settings, internet connection status, device memory, installed applications, etc., of your mobile device. You can limit the collection of relevant information from your mobile device or the use of specific permissions by adjusting the "Settings" option of your mobile device. When you restrict this, we may no longer be able to provide you with the corresponding services and will no longer process your corresponding information.

Location Information: We may use GPS, Wi-Fi, or other technical methods to collect and process information about your location.

To identify your device ID, prevent malicious programs and anti-cheating, improve service security, and ensure operational quality and efficiency, we will collect your device information (including IMEI, MEID, Android ID (Android system), IMSI, GUID, MAC address, IDFV, OAID (HarmonyOS), ODID (HarmonyOS), AAID (HarmonyOS) (HarmonyOS NEXT system)), read the Wi-Fi BSSID, collect the device MAC address, and the list of installed software or running process information.

Obtain the IMEI, OAID, Android ID (Android system), OAID (HarmonyOS), ODID (HarmonyOS), AAID (HarmonyOS) (HarmonyOS NEXT system) of the user device to uniquely identify the user via IMEI, OAID, Android ID (Android system), OAID (HarmonyOS), ODID (HarmonyOS), AAID (HarmonyOS) (HarmonyOS NEXT system) to provide statistical analysis services.

Obtain Wi-Fi MAC Address: On tablet devices or TV boxes, when the device cannot be identified via IMEI, we will use the Wi-Fi MAC address as the user's unique identifier to provide statistical analysis services normally.

Read Wi-Fi scan results to identify fake devices, anti-cheating, and advertiser attribution.

ms.bz.bd and ByteDance SDK obtain sensor data to provide a better user experience.

Read the device serial number, clipboard information, SN personal information, BSSID personal information, sensor information, obtain the acceleration sensor, and microphone permission to provide a better experience normally.