Laravel-phpdocumentor/reflection-docblock Dowloading failed

Always report the same mistakes, ask how to solve

rd@rd-g31m-es2c:~/www/laravel-dev$ composer Installloading composer repositories with package informationinstalling Dependencies (including Require-dev) from lock file-installing phpdocumentor/reflection-docblock (2.0.4) downloading : Failed downloading:failed downloading:failed Failed to download phpdocumentor/reflection -docblock from Dist:the "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/ D68dbdc53dc358a816f00b300704702b2eaff7b8 "file could not being Downloaded:php_network_getaddresses:getaddrinfo failed:  Temporary failure in name resolutionfailed to open Stream:php_network_getaddresses:getaddrinfo failed:temporary failure In name resolution today trying to download from source-installing phpdocumentor/reflection-docblock (2.0.4) Cloni                                                                                                                           Ng D68dbdc53dc358a816f00b300704702b2eaff7b8 [RuntimeexceptioN] Failed to clone h              Ttps://github.com/phpdocumentor/reflectiondocblock.git via HTTPS, SSH protocols, aborting.                                                                  -Https://github.com/phpDocumentor/ReflectionDocBlock.git                                      Cloning into '/home/rd/www/laravel-dev/vendor/phpdocumentor/reflection-docblock ' ...    Fatal:unable to access ' https://github.com/phpDocumentor/ReflectionDocBlock.git/': Could not resolve Host:github.  COM-                                                                      Git@github.com:phpdocumentor/reflectiondocblock.git Cloning into '/home/rd/www/laravel-dev/vendor/phpdocumentor/reflection-docblock ' ... s Sh:could not resolve hostname github.com:TeMporary failure in name resolution Fatal:could not read from remote repository. Sure you have the correct access rig  HTS and the repository exists.

The "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/d68dbdc53dc358a816f00b300704702b2eaff7b8" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolutionfailed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution

This package my browser can be downloaded directly down, do not know why composer is dead or alive down

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Always report the same mistakes, ask how to solve

rd@rd-g31m-es2c:~/www/laravel-dev$ composer Installloading composer repositories with package informationinstalling Dependencies (including Require-dev) from lock file-installing phpdocumentor/reflection-docblock (2.0.4) downloading : Failed downloading:failed downloading:failed Failed to download phpdocumentor/reflection -docblock from Dist:the "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/ D68dbdc53dc358a816f00b300704702b2eaff7b8 "file could not being Downloaded:php_network_getaddresses:getaddrinfo failed:  Temporary failure in name resolutionfailed to open Stream:php_network_getaddresses:getaddrinfo failed:temporary failure In name resolution today trying to download from source-installing phpdocumentor/reflection-docblock (2.0.4) Cloni                                                                                                                           Ng D68dbdc53dc358a816f00b300704702b2eaff7b8 [RuntimeexceptioN] Failed to clone h              Ttps://github.com/phpdocumentor/reflectiondocblock.git via HTTPS, SSH protocols, aborting.                                                                  -Https://github.com/phpDocumentor/ReflectionDocBlock.git                                      Cloning into '/home/rd/www/laravel-dev/vendor/phpdocumentor/reflection-docblock ' ...    Fatal:unable to access ' https://github.com/phpDocumentor/ReflectionDocBlock.git/': Could not resolve Host:github.  COM-                                                                      Git@github.com:phpdocumentor/reflectiondocblock.git Cloning into '/home/rd/www/laravel-dev/vendor/phpdocumentor/reflection-docblock ' ... s Sh:could not resolve hostname github.com:TeMporary failure in name resolution Fatal:could not read from remote repository. Sure you have the correct access rig  HTS and the repository exists.

The "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/d68dbdc53dc358a816f00b300704702b2eaff7b8" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolutionfailed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution

This package my browser can be downloaded directly down, do not know why composer is dead or alive down

The error message indicates a domain name parsing error.
Is the DNS well-equipped?

