优惠券明细

app/admin/controller/coupon/CouponDetailController.php

@@ -26,6 +26,9 @@ class CouponDetailController extends Curd
         $couponName = $request->get('coupon_name','');
         if (!empty($couponName)){
             $couponIds = Coupon::where('coupon_name','like','%'.$couponName.'%')->pluck('coupon_id')->toArray();
+            if(empty($couponIds)){
+                $couponIds = ['default'];
+            }
             $where['join_detail_coupon_id'] = ['in',$couponIds];
         }
         $addTimes = $request->get('coupon_detail_addtimes',[]);