input('plan_id'))) { abort(500, '参数错误'); } $plan = Plan::find($request->input('plan_id')); if (!$plan) { abort(500, '该订阅不存在'); } $user = User::find($request->session()->get('id')); if (!($plan->show || $user->plan_id == $plan->id)) { abort(500, '该订阅已售罄'); } return response([ 'data' => $plan ]); } }