update readme

雾聪

2023-06-29 dd3e3f4c92c5cf5e55e98a359c77dfdf396be055

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# Contact
If you have any questions about M2MeT2.0 challenge, please contact us by
 
- email: [m2met.alimeeting@gmail.com](mailto:m2met.alimeeting@gmail.com)
 
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