bug fix for undefined platform

themes/tajian/controller/FrontapiController.php

@@ -140,6 +140,7 @@ Class FrontApiController extends SiteController {
             }
 
             //调用HeroUnion联盟接口，提交新的数据抓取任务
+            $platform = Html::getShareVideosPlatform($shareUrl);
             $this->addHeroUnionTask($shareUrl, $platform);
         }