diff --git a/docs-2.0/nebula-cloud/7.terms-and-conditions.md b/docs-2.0/nebula-cloud/7.terms-and-conditions.md
index e69de29bb2d..bd3ccced82a 100644
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+# Terms of Service
+
+These terms and conditions ("Agreement") sets forth the general terms and conditions of your use of the https://cloud.nebula-cloud.io website ("Website" or "Service") and any of its related products and services (collectively, "Services"). This Agreement is legally binding between you ("User", "you" or "your") and vesoft inc. ("vesoft inc.", "we", "us" or "our"). By accessing and using the Website and Services, you acknowledge that you have read, understood, and agree to be bound by the terms of this Agreement. If you are entering into this Agreement on behalf of a business or other legal entity, you represent that you have the authority to bind such entity to this Agreement, in which case the terms "User", "you" or "your" shall refer to such entity. If you do not have such authority, or if you do not agree with the terms of this Agreement, you must not accept this Agreement and may not access and use the Website and Services. You acknowledge that this Agreement is a contract between you and vesoft inc., even though it is electronic and is not physically signed by you, and it governs your use of the Website and Services.
+
+## Accounts
+
+You give Nebula Graph Cloud permission to use your Azure account as your Nebula Graph Cloud account and get your account information so that Nebula Graph Cloud can contact you regarding this product and related products. You understand that the rights to use Nebula Graph Cloud come from vesoft instead of Microsoft, vesoft is the provider of this product. Use of Nebula Graph Cloud is governed by provider's terms of service, service-level agreement, and privacy policy.
+
+## Billing and payments
+
+Microsoft collects payments from you for your commercial marketplace purchases. You may pay the fees for the Nebula Graph Cloud services according to your chosen solutions. You shall pay all fees or charges to your account in accordance with the fees, charges, and billing terms in effect at the time a fee or charge is due and payable. 
+
+## Accuracy of information
+
+Occasionally there may be information on the Website that contains typographical errors, inaccuracies or omissions that may relate to pricing, availability, promotions and offers. We reserve the right to correct any errors, inaccuracies or omissions, and to change or update information or cancel orders if any information on the Website or Services is inaccurate at any time without prior notice (including after you have submitted your order). We undertake no obligation to update, amend or clarify information on the Website including, without limitation, pricing information, except as required by law. No specified update or refresh date applied on the Website should be taken to indicate that all information on the Website or Services has been modified or updated.
+
+## Data and content protection
+
+vesoft understands and recognizes that all the data processed, stored, uploaded, downloaded, distributed, or processed through services provided by Nebula Graph Cloud is your data or content, and you fully own your data and content.
+Except for the implementation of your service requirements, no unauthorized use or disclosure of your data or content will be made except in the following circumstances:
+
+a.vesoft may disclose the data or content in any legal proceeding or to a governmental body as required by Law; 
+
+b.an agreement made between you and vesoft.
+
+**You can delete or edit your data or content yourself. If you have deleted the service or data, vesoft will delete your data and will no longer retain such data in accordance with your instructions. You should operate carefully with regard to operations such as deletion or modification.**
+
+**You understand and agree: when your subscription is in the Suspended state, Microsoft gives the customer a 30-day grace period before automatically canceling the subscription. After the 30-day grace period is over, the webhook will receive an Unsubscribe action. After vesoft receives a cancellation webhook call, vesoft will only continue to store your data and content (if any) within 7 days. After 7 days, vesoft will delete all your data and content, including all cached or backup copies, and will no longer retain any of them.**
+
+**Once the data or content is deleted, it cannot be restored; you shall take responsibilities caused by the data being deleted. You understand and agree that vesoft has no obligation to continue to retain, export or return your data or content.**
+
+## Links to other resources
+
+Although the Website and Services may link to other resources (such as websites), we are not, directly or indirectly, implying any approval, association, sponsorship, endorsement, or affiliation with any linked resource, unless specifically stated herein. You acknowledge that vesoft inc. is providing these links to you only as a convenience. We are not responsible for examining or evaluating, and we do not warrant the offerings of, any businesses or individuals or the content of their resources. We do not assume any responsibility or liability for the actions, products, services, and content of any other third parties. You should carefully review the legal statements and other conditions of use of any resource which you access through a link on the Website and Services. Your linking to any other off-site resources is at your own risk.
+
+## Prohibited uses
+
+In addition to other terms as set forth in the Agreement, you are prohibited from using the Website and Services or Content: (a) for any unlawful purpose; (b) to solicit others to perform or participate in any unlawful acts; (c) to violate any international, federal, provincial or state regulations, rules, laws, or local ordinances; (d) to infringe upon or violate our intellectual property rights or the intellectual property rights of others; (e) to harass, abuse, insult, harm, defame, slander, disparage, intimidate, or discriminate based on gender, sexual orientation, religion, ethnicity, race, age, national origin, or disability; (f) to submit false or misleading information; (g) to upload or transmit viruses or any other type of malicious code that will or may be used in any way that will affect the functionality or operation of the Website and Services, third party products and services, or the Internet; (h) to spam, phish, pharm, pretext, spider, crawl, or scrape; (i) for any obscene or immoral purpose; or (j) to interfere with or circumvent the security features of the Website and Services, third party products and services, or the Internet. We reserve the right to terminate your use of the Website and Services for violating any of the prohibited uses.
+
+## Intellectual property rights
+
+"Intellectual Property Rights" means all present and future rights conferred by law or statute in or in relation to any copyright and related rights, trademarks, designs, patents, inventions, goodwill and the right to sue for passing off, rights to inventions, rights to use, and all other intellectual property rights, in each case whether registered or unregistered and including all applications and rights to apply for and be granted, rights to claim priority from, such rights and all similar or equivalent rights or forms of protection and any other results of intellectual activity which subsist or will subsist now or in the future in any part of the world. This Agreement does not transfer to you any intellectual property owned by vesoft inc. or third parties, and all rights, titles, and interests in and to such property will remain (as between the parties) solely with vesoft inc. All trademarks, service marks, graphics and logos used in connection with the Website and Services, are trademarks or registered trademarks of vesoft inc. or its licensors. Other trademarks, service marks, graphics and logos used in connection with the Website and Services may be the trademarks of other third parties. Your use of the Website and Services grants you no right or license to reproduce or otherwise use any of vesoft inc. or third party trademarks.
+
+## Disclaimer of warranty
+
+You agree that such Service is provided on an "as is" and "as available" basis and that your use of the Website and Services is solely at your own risk. We expressly disclaim all warranties of any kind, whether express or implied, including but not limited to the implied warranties of merchantability, fitness for a particular purpose and non-infringement. We make no warranty that the Services will meet your requirements, or that the Service will be uninterrupted, timely, secure, or error-free; nor do we make any warranty as to the results that may be obtained from the use of the Service or as to the accuracy or reliability of any information obtained through the Service or that defects in the Service will be corrected. You understand and agree that any material and/or data downloaded or otherwise obtained through the use of Service is done at your own discretion and risk and that you will be solely responsible for any damage or loss of data that results from the download of such material and/or data. We make no warranty regarding any goods or services purchased or obtained through the Service or any transactions entered into through the Service. No advice or information, whether oral or written, obtained by you from us or through the Service shall create any warranty not expressly made herein.
+
+## Limitation of liability
+
+To the fullest extent permitted by applicable law, in no event will vesoft inc., its affiliates, directors, officers, employees, agents, suppliers or licensors be liable to any person for any indirect, incidental, special, punitive, cover or consequential damages (including, without limitation, damages for lost profits, revenue, sales, goodwill, use of content, impact on business, business interruption, loss of anticipated savings, loss of business opportunity) however caused, under any theory of liability, including, without limitation, contract, tort, warranty, breach of statutory duty, negligence or otherwise, even if the liable party has been advised as to the possibility of such damages or could have foreseen such damages.
+
+## Indemnification
+
+You agree to indemnify and hold vesoft inc. and its affiliates, directors, officers, employees, agents, suppliers and licensors harmless from and against any liabilities, losses, damages or costs, including reasonable attorneys' fees, incurred in connection with or arising from any third party allegations, claims, actions, disputes, or demands asserted against any of them as a result of or relating to your Content, your use of the Website and Services or any willful misconduct on your part.
+
+## Severability
+
+All rights and restrictions contained in this Agreement may be exercised and shall be applicable and binding only to the extent that they do not violate any applicable laws and are intended to be limited to the extent necessary so that they will not render this Agreement illegal, invalid or unenforceable. If any provision or portion of any provision of this Agreement shall be held to be illegal, invalid or unenforceable by a court of competent jurisdiction, it is the intention of the parties that the remaining provisions or portions thereof shall constitute their agreement with respect to the subject matter hereof, and all such remaining provisions or portions thereof shall remain in full force and effect.
+
+## Dispute resolution
+
+The formation, interpretation, and performance of this Agreement and any disputes arising out of it shall be governed by the substantive and procedural laws of China without regard to its rules on conflicts or choice of law and, to the extent applicable, the laws of China. You further consent to the territorial jurisdiction of and exclusive venue in Internet Court of Hangzhou as the legal forum for any such dispute. You hereby waive any right to a jury trial in any proceeding arising out of or related to this Agreement. The United Nations Convention on Contracts for the International Sale of Goods does not apply to this Agreement.
+
+## Assignment
+
+You may not assign, resell, sub-license or otherwise transfer or delegate any of your rights or obligations hereunder, in whole or in part, without our prior written consent, which consent shall be at our own sole discretion and without obligation; any such assignment or transfer shall be null and void. We are free to assign any of its rights or obligations hereunder, in whole or in part, to any third party as part of the sale of all or substantially all of its assets or stock or as part of a merger.
+
+## Changes and amendments
+
+We reserve the right to modify this Agreement or its terms relating to the Website and Services at any time, effective upon posting of an updated version of this Agreement on the Website. When we do, we will revise the updated date at the bottom of this page. Continued use of the Website and Services after any such changes shall constitute your consent to such changes.
+
+## Acceptance of these terms
+
+You acknowledge that you have read this Agreement and agree to all its terms and conditions. By accessing and using the Website and Services you agree to be bound by this Agreement. If you do not agree to abide by the terms of this Agreement, you are not authorized to access or use the Website and Services.
+
+## Contacting us
+
+If you would like to contact us to understand more about this Agreement or wish to contact us concerning any matter relating to it, you may send an email to legal@vesoft.com
+
+This document was last updated on December 14, 2021
diff --git a/docs-2.0/nebula-cloud/8.privacy-policy.md b/docs-2.0/nebula-cloud/8.privacy-policy.md
index e69de29bb2d..0fdbf47bcac 100644
--- a/docs-2.0/nebula-cloud/8.privacy-policy.md
+++ b/docs-2.0/nebula-cloud/8.privacy-policy.md
@@ -0,0 +1,115 @@
+# Privacy Policy
+
+This privacy policy ("Policy") describes how the personally identifiable information ("Personal Information") you may provide on the https://www.nebula-cloud.io website ("Website" or "Service") and any of its related products and services (collectively, "Services") is collected, protected and used. It also describes the choices available to you regarding our use of your Personal Information and how you can access and update this information. This Policy is a legally binding agreement between you ("User", "you" or "your") and vesoft Inc. ("vesoft Inc.", "we", "us" or "our"). By accessing and using the Website and Services, you acknowledge that you have read, understood, and agree to be bound by the terms of this Agreement. This Policy does not apply to the practices of companies that we do not own or control, or to individuals that we do not employ or manage.
+
+## Automatic collection of information
+
+When you open the Website, our servers automatically record information that your browser sends. This data may include information such as your device's IP address, browser type and version, operating system type and version, language preferences or the webpage you were visiting before you came to the Website and Services, pages of the Website and Services that you visit, the time spent on those pages, information you search for on the Website, access times and dates, and other statistics.
+
+Information collected automatically is used only to identify potential cases of abuse and establish statistical information regarding the usage and traffic of the Website and Services. This statistical information is not otherwise aggregated in such a way that would identify any particular user of the system.
+
+## Collection of personal information
+
+You can access and use the Website and Services without telling us who you are or revealing any information by which someone could identify you as a specific, identifiable individual. If, however, you wish to use some of the features on the Website, you may be asked to provide certain Personal Information (for example, your name and e-mail address). We receive and store any information you knowingly provide to us when you create an account or fill any online forms on the Website. When required, this information may include the following:
+
+- Personal details such as name.
+- Contact information such as email address.
+- Account details such as user name and password.
+- Any other materials you willingly submit to us such as articles, images, feedback, etc.
+
+You can choose not to provide us with your Personal Information, but then you may not be able to take advantage of some of the features on the Website. Users who are uncertain about what information is mandatory are welcome to contact us.
+
+## Use and processing of collected information
+
+In order to make the Website and Services available to you, or to meet a legal obligation, we need to collect and use certain Personal Information. If you do not provide the information that we request, we may not be able to provide you with the requested products or services. Some of the information we collect is directly from you via the Website and Services. However, we may also collect Personal Information about you from other sources. Any of the information we collect from you may be used for the following purposes:
+
+- Create and manage user accounts
+- Deliver products or services
+- Improve products and services
+- Send marketing and promotional communications
+- Respond to inquiries and offer support
+- Request user feedback
+- Improve user experience
+- Deliver targeted advertising
+- Enforce terms and conditions and policies
+- Protect from abuse and malicious users
+- Respond to legal requests and prevent harm
+- Run and operate the Website and Services
+
+Processing your Personal Information depends on how you interact with the Website and Services, where you are located in the world and if one of the following applies: (i) you have given your consent for one or more specific purposes; (ii) provision of information is necessary for the performance of an agreement with you and/or for any pre-contractual obligations thereof; (iii) processing is necessary for compliance with a legal obligation to which you are subject; (iv) processing is related to a task that is carried out in the public interest or in the exercise of official authority vested in us; (v) processing is necessary for the purposes of the legitimate interests pursued by us or by a third party.
+
+Note that under some legislation we may be allowed to process information until you object to such processing (by opting out), without having to rely on consent or any other of the following legal bases below. In any case, we will be happy to clarify the specific legal basis that applies to the processing, and in particular whether the provision of Personal Information is a statutory or contractual requirement, or a requirement necessary to enter into a contract.
+
+## Managing information
+
+You are able to delete certain Personal Information we have about you. The Personal Information you can delete may change as the Website and Services change. If you would like to delete your Personal Information or permanently delete your account, you can do so by contacting us.
+
+## Disclosure of information
+
+Depending on the requested Services or as necessary to complete any transaction or provide any service you have requested, we may share your information with your consent with our trusted third parties that work with us, any other affiliates and subsidiaries we rely upon to assist in the operation of the Website and Services available to you. We do not share Personal Information with unaffiliated third parties. These service providers are not authorized to use or disclose your information except as necessary to perform services on our behalf or comply with legal requirements. We may share your Personal Information for these purposes only with third parties whose privacy policies are consistent with ours or who agree to abide by our policies with respect to Personal Information. These third parties are given Personal Information they need only in order to perform their designated functions, and we do not authorize them to use or disclose Personal Information for their own marketing or other purposes.
+
+We will disclose any Personal Information we collect, use or receive if required or permitted by law, such as to comply with a subpoena, or similar legal process, and when we believe in good faith that disclosure is necessary to protect our rights, protect your safety or the safety of others, investigate fraud, or respond to a government request.
+
+In the event we go through a business transition, such as a merger or acquisition by another company, or sale of all or a portion of its assets, your user account, and Personal Information will likely be among the assets transferred.
+
+## Retention of information
+
+We will retain and use your Personal Information for the period necessary to comply with our legal obligations, resolve disputes, and enforce our agreements unless a longer retention period is required or permitted by law. We may use any aggregated data derived from or incorporating your Personal Information after you update or delete it, but not in a manner that would identify you personally. Once the retention period expires, Personal Information shall be deleted. Therefore, the right to access, the right to erasure, the right to rectification and the right to data portability cannot be enforced after the expiration of the retention period.
+
+## Transfer of information
+
+Depending on your location, data transfers may involve transferring and storing your information in a country other than your own. You are entitled to learn about the legal basis of information transfers to a country outside the European Union or to any international organization governed by public international law or set up by two or more countries, such as the UN, and about the security measures taken by us to safeguard your information. If any such transfer takes place, you can find out more by checking the relevant sections of this Policy or inquire with us using the information provided in the contact section.
+
+## The rights of users
+
+You may exercise certain rights regarding your information processed by us. In particular, you have the right to do the following: (i) you have the right to withdraw consent where you have previously given your consent to the processing of your information; (ii) you have the right to object to the processing of your information if the processing is carried out on a legal basis other than consent; (iii) you have the right to learn if information is being processed by us, obtain disclosure regarding certain aspects of the processing and obtain a copy of the information undergoing processing; (iv) you have the right to verify the accuracy of your information and ask for it to be updated or corrected; (v) you have the right, under certain circumstances, to restrict the processing of your information, in which case, we will not process your information for any purpose other than storing it; (vi) you have the right, under certain circumstances, to obtain the erasure of your Personal Information from us; (vii) you have the right to receive your information in a structured, commonly used and machine readable format and, if technically feasible, to have it transmitted to another controller without any hindrance. This provision is applicable provided that your information is processed by automated means and that the processing is based on your consent, on a contract which you are part of or on pre-contractual obligations thereof.
+
+## The right to object to processing
+
+Where Personal Information is processed for the public interest, in the exercise of an official authority vested in us or for the purposes of the legitimate interests pursued by us, you may object to such processing by providing a ground related to your particular situation to justify the objection.
+
+## How to exercise these rights
+
+Any requests to exercise your rights can be directed to vesoft Inc. through the contact details provided in this document. Please note that we may ask you to verify your identity before responding to such requests. Your request must provide sufficient information that allows us to verify that you are the person you are claiming to be or that you are the authorized representative of such person. You must include sufficient details to allow us to properly understand the request and respond to it. We cannot respond to your request or provide you with Personal Information unless we first verify your identity or authority to make such a request and confirm that the Personal Information relates to you.
+
+## Privacy of children
+
+We do not knowingly collect any Personal Information from children under the age of 18. If you are under the age of 18, please do not submit any Personal Information through the Website and Services. We encourage parents and legal guardians to monitor their children's Internet usage and to help enforce this Policy by instructing their children never to provide Personal Information through the Website and Services without their permission. If you have reason to believe that a child under the age of 18 has provided Personal Information to us through the Website and Services, please contact us. You must also be at least 16 years of age to consent to the processing of your Personal Information in your country (in some countries we may allow your parent or guardian to do so on your behalf).
+
+## Cookies
+
+The Website and Services use "cookies" to help personalize your online experience. A cookie is a text file that is placed on your hard disk by a web page server. Cookies cannot be used to run programs or deliver viruses to your computer. Cookies are uniquely assigned to you, and can only be read by a web server in the domain that issued the cookie to you.
+We may use cookies to collect, store, and track information for statistical purposes to operate the Website and Services. You have the ability to accept or decline cookies. Most web browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. To learn more about cookies and how to manage them, visit internetcookies.org
+
+## Email marketing
+We offer electronic newsletters to which you may voluntarily subscribe at any time. We are committed to keeping your e-mail address confidential and will not disclose your email address to any third parties except as allowed in the information use and processing section. We will maintain the information sent via e-mail in accordance with applicable laws and regulations.
+
+## Links to other resources
+
+The Website and Services contain links to other resources that are not owned or controlled by us. Such links do not constitute an endorsement by vesoft Inc. of those External Web Sites. Please be aware that we are not responsible for the privacy practices of such other resources or third parties. We encourage you to be aware when you leave the Website and Services and to read the privacy statements of each and every resource that may collect Personal Information. You should carefully review the legal statements and other conditions of use of any resource which you access through a link on the Website and Services.
+
+## Information security
+
+We secure information you provide on computer servers in a controlled, secure environment, protected from unauthorized access, use, or disclosure. We maintain reasonable administrative, technical, and physical safeguards in an effort to protect against unauthorized access, use, modification, and disclosure of Personal Information in its control and custody. However, no data transmission over the Internet or wireless network can be guaranteed. Therefore, while we strive to protect your Personal Information, you acknowledge that (i) there are security and privacy limitations of the Internet which are beyond our control; (ii) the security, integrity, and privacy of any and all information and data exchanged between you and the Website and Services cannot be guaranteed; and (iii) any such information and data may be viewed or tampered with in transit by a third party, despite best efforts.
+
+## Data breach
+
+In the event we become aware that the security of the Website and Services has been compromised or users Personal Information has been disclosed to unrelated third parties as a result of external activity, including, but not limited to, security attacks or fraud, we reserve the right to take reasonably appropriate measures, including, but not limited to, investigation and reporting, as well as notification to and cooperation with law enforcement authorities. In the event of a data breach, we will make reasonable efforts to notify affected individuals if we believe that there is a reasonable risk of harm to the user as a result of the breach or if notice is otherwise required by law. When we do, we will post a notice on the Website, send you an email.
+
+## Changes and amendments
+
+We reserve the right to modify this Policy or its terms relating to the Website and Services from time to time in our discretion and will notify you of any material changes to the way in which we treat Personal Information. When we do, we will revise the updated date at the bottom of this page. We may also provide notice to you in other ways in our discretion, such as through contact information you have provided. Any updated version of this Policy will be effective immediately upon the posting of the revised Policy unless otherwise specified. Your continued use of the Website and Services after the effective date of the revised Policy (or such other act specified at that time) will constitute your consent to those changes. However, we will not, without your consent, use your Personal Information in a manner materially different than what was stated at the time your Personal Information was collected.
+
+## Dispute resolution
+
+The formation, interpretation, and performance of this Agreement and any disputes arising out of it shall be governed by the substantive and procedural laws of China without regard to its rules on conflicts or choice of law and, to the extent applicable, the laws of China. You further consent to the personal jurisdiction of and exclusive venue in Yuhang District Court located in Hangzhou as the legal forum for any such dispute. You hereby waive any right to a jury trial in any proceeding arising out of or related to this Agreement. The United Nations Convention on Contracts for the International Sale of Goods does not apply to this Agreement.
+
+## Acceptance of this policy
+
+You acknowledge that you have read this Policy and agree to all its terms and conditions. By accessing and using the Website and Services you agree to be bound by this Policy. If you do not agree to abide by the terms of this Policy, you are not authorized to access or use the Website and Services.
+
+## Contacting us
+
+If you would like to contact us to understand more about this Policy or wish to contact us concerning any matter relating to individual rights and your Personal Information, you may send an email to legal@vesoft.com
+
+This document was last updated on December 28, 2021
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