where

application/api/service/CouponService.php

@@ -146,7 +146,9 @@ class CouponService{
             }
 
             if ($type == 0) {
+                if ($invitee_id) {
                     $count_where['invitee_id'] = $invitee_id;
+                }
                 $num = $this->m_coupon->getCount($count_where);  //是否邀请过该客户
                 if ($num > 0) {
                     continue;