Laravel 5.1 failed to successfully install the redis extension?

When running the php artisan queue:listen command, an error is reported:

I checked online and found that the redis dependency was not installed. Then I wrote in composer.json:

Execute composer install

Nothing downloaded:

Reply content:

When running the php artisan queue:listen command, an error is reported:

I checked online and found that the redis dependency was not installed. Then I wrote in composer.json:

Execute composer install

Nothing downloaded:

Look at the error message when you use composer install, use composer update