➜ aibm git:(master) ✗ composer update
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.
Problem 1
The requested package goodspb/laravel5-ucpaas 1.0 exists as goodspb/laravel5-ucpaas[dev-master, 1.0.x-dev] but these are rejected by your constraint.
我的环境是laravel 5.3,php7.0.13,加入到composer.json里面后提示我,
Problem 1