public function storeOrder($id, Request $request)
 {
     $activity = Activity::findOrFail($id);
     $memberId = $request->input('memberId');
     $member = ActivityMember::findOrFail($memberId);
     $order = ActivityOrder::newOrder($activity, $member, $request);
     if ($order->pay_approach == 1) {
         $member->states = 1;
         $member->save();
         flash()->success('下单成功', '您已成功创建订单,邂逅行将会为您提供最优质的服务!');
         return redirect('/activities/orders/' . $order->id);
     } else {
         return redirect('/wxpay/weixin?orderId=' . $order->id);
     }
 }