WeChat Card coupon Shelf display has been received

After creating the coupon, according to card_id to create a card coupon shelves, but click Back link into the card coupon shelves, display, each time is already picked up, what is the reason? (I'm sure the link is only I have received, before opening the link did not do any pick-up operation, the public number is the test account, the personal account has been whitelisted, card coupons are non-custom)

Send data as follows:

$shelvesData = array(    "banner" => $url,    "page_title" => urlencode("优惠"),    "can_share" => true,    "scene" => "SCENE_H5",    "card_list" => $card_list);

When I click on the card coupon (not the click button):

The actual effect on the development document:

Reply content:

After creating the coupon, according to card_id to create a card coupon shelves, but click Back link into the card coupon shelves, display, each time is already picked up, what is the reason? (I'm sure the link is only I have received, before opening the link did not do any pick-up operation, the public number is the test account, the personal account has been whitelisted, card coupons are non-custom)

Send data as follows:

$shelvesData = array(    "banner" => $url,    "page_title" => urlencode("优惠"),    "can_share" => true,    "scene" => "SCENE_H5",    "card_list" => $card_list);

When I click on the card coupon (not the click button):

The actual effect on the development document:

