Declaration of Illuminate\\Database\\Eloquent\\Model::is() must be compatible with Bican\\Roles\\Contracts\\HasRoleAndPermission::is($role, $all = false)
不知道怎么解决
Declaration of Illuminate\\Database\\Eloquent\\Model::is() must be compatible with Bican\\Roles\\Contracts\\HasRoleAndPermission::is($role, $all = false)
不知道怎么解决