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<h1>User Agreement</h1>
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<div class="update-date">Last Updated: March 10, 2026</div>
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<h2>Important Notice</h2>
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<p>Welcome to use the XiaoZhi Backend Service (hereinafter referred to as "the Service"). The Service is designed to
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provide backend service support for XiaoZhi AI hardware devices, including but not limited to intelligent voice
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interaction, visual understanding, intent recognition, conversation memory, knowledge base Q&A, device
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management, and agent management. The operator of this Service is the actual deployer and administrator of the
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Service (hereinafter referred to as "Operator" or "we").
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</p>
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<p class="bold">Before registering, logging in, or using the Service, please carefully read and fully understand all
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terms of this Agreement, especially the terms that are highlighted in bold and may have significant impact on
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your interests, including but not limited to disclaimers and liability limitations.</p>
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<p class="bold">When you complete registration, login, or otherwise use the Service following the on-screen
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instructions, it signifies that you have fully read, understood, and accepted all contents of this Agreement. If
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you disagree with this Agreement or any of its terms, please stop using the Service immediately.</p>
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<p>This Agreement may be updated and revised based on actual circumstances. The revised Agreement will be published
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through the Service's announcement mechanisms. The revised Agreement shall take effect from the date of
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publication. If you continue to use the Service after the Agreement revision, it shall be deemed that you have
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accepted the revised Agreement.</p>
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<h2>I. Definitions</h2>
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<p><span class="bold">XiaoZhi Backend Service:</span> refers to the XiaoZhi Backend Service and its backend service
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system, including but not limited to the Admin Console (management backend), API interfaces, WebSocket
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communication services, etc.
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</p>
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<p><span class="bold">Admin Console:</span> refers to the web management interface provided by the Service for
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device management, agent configuration, user management, and other functions.</p>
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<p><span class="bold">User:</span> refers to natural persons, legal persons, or other organizations who register or
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otherwise use the Service, hereinafter referred to as "you".</p>
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<p><span class="bold">Intelligent Agent (Agent):</span> refers to an AI character created and configured within the
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Service, containing a collection of capabilities such as language models, speech recognition, speech synthesis,
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visual understanding, intent recognition, conversation memory, and knowledge base.</p>
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<p><span class="bold">Device:</span> refers to ESP32 and other hardware devices connected and managed through the
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Service.</p>
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<h2>II. Scope of Agreement</h2>
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<p>This Agreement is a legal agreement between you and the Operator regarding your use of the Service. This
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Agreement applies to all your actions when using the Service through the Admin Console or other means.</p>
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<p>The source code of the Service follows the corresponding open-source license. This Agreement governs your use of
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the Service and does not affect the rights granted to you by the open-source license itself.</p>
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<h2>III. Account Registration and Use</h2>
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<p><span class="bold">3.1 User Eligibility:</span> You confirm that before using the Service, you should have the
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capacity for civil conduct as required by the laws of the People's Republic of China. If you are a minor, you
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should use the Service under the company and guidance of your legal guardian.</p>
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<p><span class="bold">3.2 Account Registration:</span> You may register and log in to the Service through mobile
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phone verification code, username/password, or other methods. You shall provide true, accurate, and complete
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registration information and update it promptly.</p>
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<p><span class="bold">3.3 Account Security:</span> You shall properly keep your account and password safe. All
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consequences arising from account leakage or unauthorized use by others due to your reasons shall be borne by
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you. If you discover any security risks with your account, please contact the Operator immediately.</p>
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<p><span class="bold">3.4 Account Usage Restrictions:</span> Your account is for your personal use only. Without the
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Operator's consent, you shall not transfer, rent, or lend your account to any third party in any way.</p>
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<p><span class="bold">3.5 Account Cancellation:</span> If you need to cancel your account, you may do so through the
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account settings in the Admin Console or contact the Operator for processing. After account cancellation,
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related data will be deleted and cannot be recovered. Please proceed with caution.</p>
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<h2>IV. Service Content</h2>
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<p><span class="bold">4.1 Service Overview:</span> Relying on artificial intelligence technology, the Service
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provides intelligent interaction services for connected hardware devices through API calls to third-party
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generative AI models, including but not limited to Voice Activity Detection (VAD), Automatic Speech Recognition
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(ASR), Large Language Model (LLM), Text-to-Speech (TTS), Vision Large Language Model (VLLM), Intent Recognition,
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Conversation Memory, and Retrieval-Augmented Generation (RAG).
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</p>
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<p><span class="bold">4.2 Agent Management:</span> You can create and configure Agents through the Admin Console,
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including setting role templates, selecting language models, configuring voice parameters, setting intent
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recognition rules, managing knowledge bases, enabling conversation memory, configuring Agent plugins, etc. The
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Agent settings shall not violate national laws and regulations.</p>
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<p><span class="bold">4.3 Device Management:</span> You can bind and manage your hardware devices through the Admin
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Console, perform device configuration, firmware updates, OTA remote upgrades, etc. You shall ensure that the
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devices you manage are lawfully owned or authorized by you.</p>
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<p><span class="bold">4.4 Visual Understanding:</span> The Service supports image capture through device cameras and
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uses third-party vision models for image recognition and scene understanding. You shall ensure that image
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capture complies with relevant laws and regulations and does not infringe upon others' privacy.</p>
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<p><span class="bold">4.5 Intent Recognition:</span> The Service can understand the intent of user commands through
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intent recognition and trigger corresponding operations or services, such as controlling smart devices, querying
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information, etc.</p>
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<p><span class="bold">4.6 Conversation Memory:</span> The Service can record and store summaries of your interaction
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history with the Agent to provide more coherent and personalized interaction experiences in subsequent
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conversations. You can manage or clear memory data in the Admin Console.</p>
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<p><span class="bold">4.7 Knowledge Base:</span> The Service supports uploading documents, texts, and other content
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to build knowledge bases. Agents can retrieve knowledge base content during conversations to provide Q&A
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services. You shall ensure that uploaded knowledge base content does not infringe upon third-party intellectual
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property rights and does not contain content that violates laws and regulations.</p>
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<p><span class="bold">4.8 Voice Print Recognition:</span> The Service supports voice print recognition. You can
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register voice print samples to achieve speaker identity verification and personalized services. Voice print
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data will be used for identity verification purposes.</p>
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<p><span class="bold">4.9 Voice Cloning:</span> The Service supports voice cloning. You can clone custom voice
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timbres by providing audio samples. Cloned voices are for your personal use only and shall not be used to
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impersonate others or engage in illegal activities.</p>
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<p><span class="bold">4.10 MCP Endpoints:</span> The Service supports MCP (Model Context Protocol) and can serve as
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an MCP Server to provide tool calling capabilities to external systems, or as an MCP Client to call external MCP
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services, achieving standardized integration with external systems.</p>
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<p><span class="bold">4.11 Context Providers:</span> the Service supports Context Provider functionality, which can
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obtain real-time information from external data sources, such as weather, news, stocks, etc., providing Agents
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with richer knowledge sources.</p>
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<p><span class="bold">4.12 MQTT Protocol:</span> The Service supports MQTT (Message Queuing Telemetry Transport)
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protocol for message communication between IoT devices. You can use the MQTT protocol to send device control
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commands, monitor device status, etc.</p>
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<p><span class="bold">4.13 Service Disclaimer:</span> The conversations and responses generated by third-party AI
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models that the Service depends on are for reference only and do not constitute professional advice in any
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field. You shall not use the output content as professional advice in medical, legal, financial, or other
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professional fields. Any judgments or decisions you make based on the output content shall be entirely at your
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own responsibility.</p>
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<p class="bold">4.14 Service Fees: The Service is a free open-source project and does not charge any usage fees from
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users. It only provides platform capabilities for calling third-party services and does not involve any paid
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functions or value-added services.</p>
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<p>The Service supports multiple AI service providers with different billing models as follows:</p>
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<p>(1) <span class="bold">Free Services:</span> Some service providers offer free quotas or completely free
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services, such as Zhipu AI (free models like glm-4-flash), Microsoft EdgeTTS voice synthesis, etc.</p>
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<p>(2) <span class="bold">Pay-as-you-go:</span> Some service providers charge based on API usage, such as OpenAI,
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Alibaba Cloud Intelligent Speech, Baidu Wenxin, iFlytek, etc. You need to pay the corresponding fees to
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third-party service providers yourself. Such fees are unrelated to this Service.</p>
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<p>(3) <span class="bold">Local Deployment:</span> The Service supports fully local AI deployment solutions, such as
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FunASR speech recognition, FishSpeech voice synthesis, Ollama local large models, etc. Local deployment does not
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require network fees or API usage fees but requires sufficient local computing resources.</p>
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<p>You can choose a suitable service provider based on your actual needs and budget. For specific fee standards,
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please refer to the official documentation of each service provider.</p>
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<p><span class="bold">4.15 Service Changes:</span> The Operator reserves the right to adjust, upgrade, or terminate
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the Service content based on actual circumstances and will endeavor to provide advance notice.</p>
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<h2>V. User Conduct Standards</h2>
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<p><span class="bold">5.1 Legal Use:</span> When using the Service, you shall comply with the laws and regulations
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of the People's Republic of China and relevant international treaties, and shall not use the Service for any
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illegal activities.</p>
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<p class="bold">5.2 Prohibited Activities: You undertake not to engage in the following activities when using the
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Service:</p>
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<p>(1) Publishing, transmitting, or storing content that endangers national security or social stability, including
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but not limited to content involving subversion of state power, damage to national honors and interests,
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incitement of ethnic hatred, etc.</p>
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<p>(2) Publishing, transmitting, or storing content that infringes upon the legitimate rights and interests of
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others, including but not limited to infringement of intellectual property rights, privacy rights, reputation
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rights, etc.</p>
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<p>(3) Publishing, transmitting, or storing obscene, pornographic, violent, terrorist, or content that incites
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crimes.</p>
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<p>(4) Publishing false information, spreading rumors, or engaging in fraudulent activities.</p>
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<p>(5) Interfering with the normal operation of the Service in any way, including but not limited to attacking
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servers, spreading malicious programs, malicious consumption of system resources, etc.</p>
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<p>(6) Reverse engineering, decompiling, or otherwise attempting to obtain the source code of the Service without
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authorization (this clause does not limit your lawful use of open-source code under the open-source license).
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</p>
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<p>(7) Using the Service for automated batch operations, malicious consumption of API call quotas or other system
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resources.</p>
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<p>(8) Inputting content that violates laws and regulations or public order and good morals in Agent settings.</p>
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<p>(9) Using the Service to harm or attempt to harm minors.</p>
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<p>(10) Other activities that violate laws and regulations, this Agreement, or may harm the legitimate rights and
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interests of the Operator and third parties.</p>
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<p><span class="bold">5.3 Handling of Violations:</span> If you violate the above conduct standards, the Operator
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has the right to take measures such as warnings, feature restrictions, service suspension, account banning,
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etc., depending on the severity, and reserves the right to pursue legal liability.</p>
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<h2>VI. Intellectual Property</h2>
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<p><span class="bold">6.1 Open-source License:</span> The Service is an open-source project, and its source code
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follows the corresponding open-source license. You may use the relevant source code in compliance with the terms
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of that license.</p>
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<p><span class="bold">6.2 Service Content Ownership:</span> Except for open-source code, the interface design,
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icons, copy, and other independently created content by the Operator in the Service are owned by the Operator.
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</p>
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<p><span class="bold">6.3 User Content:</span> The intellectual property rights of content you input, upload, or
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generate through the Service shall be determined according to relevant laws and regulations. You grant the
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Operator the right to store and process your input content for the purpose of maintaining and improving the
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Service.</p>
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<p><span class="bold">6.4 Third-party Rights:</span> You shall respect the intellectual property rights and other
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legitimate rights of third parties when using the Service. You shall bear full responsibility for any disputes
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arising from your infringement of third-party rights.</p>
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<h2>VII. Privacy Protection</h2>
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<p><span class="bold">7.1 Information Collection:</span> To provide the Service, the Operator may collect your
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registration information (such as phone number, username), device information, usage logs, etc. For specific
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personal information collection and usage rules, please refer to the Privacy Policy.</p>
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<p><span class="bold">7.2 Information Protection:</span> The Operator will take reasonable technical and management
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measures to protect the security of your personal information. However, due to the openness of the Internet, the
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Operator cannot absolutely guarantee information security. Please pay attention to protecting your sensitive
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personal information.</p>
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<p class="bold">7.3 Information Security Warning: Please do not disclose sensitive personal information such as your
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property accounts, bank card numbers, passwords, etc. to the AI during your use of the Service. Any losses
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resulting from this shall be borne by you.</p>
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<h2>VIII. Disclaimer</h2>
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<p class="bold">8.1 AI-Generated Content: The Service relies on third-party AI models to provide intelligent
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interaction capabilities. The content generated by AI may be inaccurate, incomplete, or inappropriate. The
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Operator does not make any guarantees regarding the authenticity, accuracy, or completeness of AI-generated
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content.</p>
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<p class="bold">8.2 Service Interruption: The Operator shall not be responsible for service interruptions or
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abnormalities caused by the following reasons:</p>
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<p>(1) Force majeure factors such as natural disasters, epidemics, wars, etc.</p>
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<p>(2) Public service factors such as power supply failures, communication network failures, etc.</p>
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<p>(3) Service failures or policy adjustments of third-party AI model service providers.</p>
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<p>(4) Temporary service interruptions caused by system maintenance or upgrades.</p>
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<p>(5) Cybersecurity events such as hacker attacks, computer viruses, etc.</p>
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<p>(6) Service adjustments due to laws, regulations, or government control.</p>
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<p>(7) Other situations not caused by the Operator's fault.</p>
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<p><span class="bold">8.3 Third-party Services:</span> The Service may involve third-party services such as language
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models, speech recognition, speech synthesis, vision models, intent recognition, etc. You shall also comply with
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the terms of third parties when using them. For issues arising from third-party services, please contact the
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third party directly.</p>
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<p class="bold">8.4 Open-source Statement: The Service is an open-source project provided "as is". To the maximum
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extent permitted by law, the Operator does not make any express or implied warranties regarding the
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merchantability, fitness for a particular purpose, or non-infringement of the Service.</p>
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<p class="bold">8.5 Open-source Software Special Statement: This project is open-source software. This Service does
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not have any commercial cooperative relationships with any third-party API service providers (including but not
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limited to platforms for speech recognition, large models, speech synthesis, etc.) and does not provide any form
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of guarantees for their service quality and fund security. This software does not host any account keys, does
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not participate in capital flow, and does not bear the risk of recharge fund losses.</p>
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<p class="bold">8.6 Security Warning: The functions of this project are not complete and have not passed
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cybersecurity reviews. Please do not use them in production environments. If you deploy this project in a public
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network environment for learning purposes, you must take necessary protective measures, including but not
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limited to setting strong passwords, restricting access permissions, enabling HTTPS encrypted transmission, etc.
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</p>
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<h2>IX. Protection of Minors</h2>
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<p>9.1 If you are a minor under 18 years of age, you should use the Service under the guidance and consent of your
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guardian.</p>
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<p>9.2 Guardians should strengthen supervision of minors' use of the Service and guide them to use it reasonably to
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avoid over-dependence.</p>
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<p>9.3 Minors should pay attention to personal information protection when using the Service and avoid uploading or
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disclosing sensitive personal information.</p>
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<h2>X. Termination of Agreement</h2>
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<p><span class="bold">10.1 User Termination:</span> You have the right to stop using the Service and cancel your
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account at any time.</p>
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<p><span class="bold">10.2 Operator Termination:</span> The Operator has the right to terminate providing services
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to you under the following circumstances:</p>
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<p>(1) You violate the terms of this Agreement.</p>
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<p>(2) You use the Service for illegal activities.</p>
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<p>(3) Required by laws, regulations, or policies.</p>
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<p>(4) The Operator decides to stop operating the Service.</p>
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<p><span class="bold">10.3 Post-Termination Handling:</span> After the Agreement is terminated, the Operator has no
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obligation to retain your account information and related data. The Operator still has the right to pursue your
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liability for breaches during the validity period of the Agreement.</p>
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<h2>XI. Governing Law and Dispute Resolution</h2>
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<p>11.1 The formation, effectiveness, interpretation, revision, termination, and dispute resolution of this
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Agreement shall be governed by the laws of the People's Republic of China.</p>
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<p>11.2 Any disputes arising from this Agreement or the Service shall be resolved through friendly negotiation
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between both parties. If negotiation fails, either party has the right to bring a lawsuit to the people's court
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with jurisdiction over the Operator's location.</p>
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<p>11.3 If any provision of this Agreement is determined to be invalid or unenforceable, it shall not affect the
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validity of the remaining provisions.</p>
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<h2>XII. Miscellaneous</h2>
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<p>12.1 This Agreement constitutes the complete agreement between you and the Operator regarding your use of the
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Service.</p>
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<p>12.2 The Operator's failure to exercise or delay in exercising any rights under this Agreement shall not
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constitute a waiver of such rights.</p>
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