完善分享商品对新注册用户

app/controller/api/Auth.php

@@ -1478,7 +1478,7 @@ class Auth extends BaseController
         $user = $repository->accountByUser($data['phone']);
         if (!$user){
             $data['spread_uid'] = 0;
-            if (!intval($data['share_id'])) {
+            if (intval($data['share_id'])) {
                 $spread_uid = Db::name('product_share')->where('id', $data['share_id'])->value('uid');
                 $data['spread_uid'] = $spread_uid;
             }