In telnet, typing special characters causes no response, and the client cannot run or quit. #13812
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component/sdk
Related with apache/dubbo
help wanted
Everything needs help from contributors
type/enhancement
Everything related with code enhancement or performance
Environment
Steps to reproduce this issue
Describe: When type 'ctrl + c', telnet get '^c' and the client cannot run or quit.
![image](https://private-user-images.githubusercontent.com/26338738/309126512-80f84ba2-6ccc-40ed-a03c-19daaf61db89.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.7WFqQ4jAK8WEuvELYlk-gg9XNHfnt8zSR2zb86jyaj4)
![image](https://private-user-images.githubusercontent.com/26338738/309126552-45c0ad6c-dd03-4ef8-b4a5-10b9ab56c3c0.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.249kOkPn_y54haTN5oJOatu4yf86xM1-CrLxZAR50ZM)
Excepted result: quit or prompt 'no such command'
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