Merge branch 'feature/ltv' into dev

Application/Admin/Controller/GameController.class.php

@@ -301,7 +301,7 @@ class GameController extends ThinkController
             if ($_POST['beta_status'] == 1 && empty($_POST['beta_url'])) {
                 return $this->error("请在Beta按钮开启的情况填写Beta链接");
             }
-            if (!preg_match("/^((https|http|ftp|rtsp|mms)?:\/\/)[^\s]+/i", $_POST['beta_url'])) {
+            if (!empty($_POST['beta_url']) && !preg_match("/^((https|http|ftp|rtsp|mms)?:\/\/)[^\s]+/i", $_POST['beta_url'])) {
                 return $this->error("请填写正确的Beta链接");
             }
             /*if($_POST['apply_status']==0&&$_POST['game_status']==1){