macdeMacBook-Pro:www?mac$?composer?global?require?laravel/installer
Changed?current?directory?to?/Applications/MxSrvs/bin/composer
Using?version?^3.0?for?laravel/installer
./composer.json?has?been?created
Loading?composer?repositories?with?package?information
Updating?dependencies?(including?require-dev)
Package?operations:?16?installs,?0?updates,?0?removals??
-?Installing?symfony/process?(v5.0.8):?Loading?from?cache??
-?Installing?symfony/polyfill-ctype?(v1.16.0):?Loading?from?cache??
-?Installing?symfony/filesystem?(v5.0.8):?Downloading?(failed)???????
Downloading?(failed)???????
Downloading?(failed)????Failed?to?download?symfony/filesystem?from?dist:?The?"https://api.github.com/repos/symfony/filesystem/zipball/7cd0dafc4353a0f62e307df90b48466379c8cc91"?file?could?not?be?downloaded:?failed?to?open?stream:?Connection?refused????
Now?trying?to?download?from?source??
-?Installing?symfony/filesystem?(v5.0.8):?Cloning?7cd0dafc43?from?cache??
-?Installing?psr/container?(1.0.0):?Loading?from?cache??
-?Installing?symfony/service-contracts?(v2.0.1):?Loading?from?cache??
-?Installing?symfony/polyfill-php73?(v1.16.0):?Loading?from?cache??
-?Installing?symfony/polyfill-mbstring?(v1.16.0):?Loading?from?cache??
-?Installing?symfony/console?(v5.0.8):?Loading?from?cache??
-?Installing?ralouphie/getallheaders?(3.0.3):?Loading?from?cache??
-?Installing?psr/http-message?(1.0.1):?Loading?from?cache??
-?Installing?guzzlehttp/psr7?(1.6.1):?Loading?from?cache??
-?Installing?guzzlehttp/promises?(v1.3.1):?Loading?from?cache??
-?Installing?symfony/polyfill-php72?(v1.16.0):?Loading?from?cache??
-?Installing?symfony/polyfill-intl-idn?(v1.16.0):?Loading?from?cache??
-?Installing?guzzlehttp/guzzle?(6.5.3):?Loading?from?cache??
-?Installing?laravel/installer?(v3.0.1):?Downloading?(failed)???????
Downloading?(failed)???????
Downloading?(failed)????Failed?to?download?laravel/installer?from?dist:?The?"https://api.github.com/repos/laravel/installer/zipball/a00b073173d133920e62623c4c189d055b06ee54"?file?could?not?be?downloaded:?failed?to?open?stream:?Connection?refused????Now?trying?to?download?from?source??
-?Installing?laravel/installer?(v3.0.1):?Cloning?a00b073173?from?cache
symfony/service-contracts?suggests?installing?symfony/service-implementation
symfony/console?suggests?installing?symfony/event-dispatcher
symfony/console?suggests?installing?symfony/lock
symfony/console?suggests?installing?psr/log?(For?using?the?console?logger)
guzzlehttp/psr7?suggests?installing?zendframework/zend-httphandlerrunner?(Emit?PSR-7?responses)
symfony/polyfill-intl-idn?suggests?installing?ext-intl?(For?best?performance)guzzlehttp/guzzle?suggests?installing?psr/log?(Required?for?using?the?Log?middleware)
Writing?lock?file
Generating?autoload?files
8?packages?you?are?using?are?looking?for?funding.
Use?the?`composer?fund`?command?to?find?out?more!

安裝laravel 安裝器的時候報錯了 怎么辦？？？