Privacy policy Shenzhen Chenyunkeji Co., Ltd. (hereinafter referred to as "us" and "the company") understands the importance of privacy to users (including natural persons, legal persons and other organizations that obtain or use the software through various legal channels, hereinafter referred to as "users" or "you"), and we strive to make it clear how we collect, use, disclose, transmit and store the software User information. This Privacy Policy outlines our information processing practices. Please do not submit any personal data or privacy data to us until you carefully read, understand and agree to this policy. When you choose to use the product or service, you are deemed to have understood and fully agreed to all terms in this statement, and voluntarily assume all responsibilities and risks of using the product or service. If you do not agree with this statement, please stop using our products or services. 1. Collection and use of information 1.1.1 we may collect system and application information of your terminal products, which is to inform you of available system and application updates in a timely manner. The information collected for this purpose includes but is not limited to device name, system and application version, operating system and browser version, regional and language settings, device identification information (IMEI, ESN, meid, Sn), operator network code, etc. Our processing of the above information is limited to informing you that an application update is available. 1.2 use of personal information 1.2.1 we will use your personal information in strict accordance with the contents of this Privacy Policy and its updates. Your personal information will only be used for the purpose that has been determined at the time of collection and agreed by you. If there is any other purpose, we will ask your consent in advance. We collect information for the following purposes: (1) the personal information collected by us will be registered for you or your device to provide the service or function you requested; (2) our advertising services, such as providing customized advertising and sponsorship content (including through our advertising services, you can learn more about its content here) and sending you promotional information; (3) understand how you use our services so that we can improve our services and develop new products and services (including asking your opinions on our products and services and conducting customer surveys); (4) the personal information collected by us will be used for communication with you, for example, notice will be sent to you at the first time when our products or services are updated or released; (5) if you participate in lottery, Q & A or similar promotion activities held by us under the permission of law, we will use the personal information you provide to manage such activities; (6) your mobile user identification information, mobile device unique identification code and geographic location information can be used to activate the specific functions of our products or services you use, and such information is used to improve our products and services, but we will not use such information to track your location; (7) other uses with your consent. 1.2.2 we will collect and use your information in strict accordance with relevant laws and regulations and the contents specified in this privacy policy. Our staff will not ask for personal information directly from you unless they have the written authorization document issued by us. In this case, you can contact us directly. 1.3 collection of non personal information 1.3.1 when you create our account, download our software and its updates, participate in online surveys or participate in other interactions with us, we will collect your information such as language, zip code, area code and time zone where we use our products or services. 1.3.2 use of problem feedback information: when you submit problem feedback on our products and services, we will anonymously count your use of various functions of the products as required, so as to collect information about your use habits of our products and services. In addition, when the system exits and crashes abnormally, we will collect the current environment information of the mobile phone which is easy to diagnose the problem. 1.3.3 relevant information recorded on the server side: we will collect relevant information recorded on your server side, such as information notice, data upload, download, control, browse, environmental monitoring, equipment status and other data related to user's use behavior. These data are considered non personal information. 1.3.4 location information: when you use our location-based program services and functions, we need to collect your location information. For example, when you perform a location-based scenario, use a location-based time zone, use the location optimization weather function, or ask for map location information, your location information may be sent back to us so that we can provide you with the correct content. 1.3.5 cookies and other technologies: in order to better optimize the use experience, we may collect relevant cookie data generated during the user's use. But our cookies will not be used to identify your personal identity. They are only used to provide better and more convenient services for you when you visit. 1.4 use of non personal information 1.4.1 the non personal information collected by us, such as language, zip code, area code and time zone where our products are served after use, can help us better understand and use