diff --git a/application/api/model/RoomPit.php b/application/api/model/RoomPit.php
index 23835ff..0dc5586 100644
--- a/application/api/model/RoomPit.php
+++ b/application/api/model/RoomPit.php
@@ -967,8 +967,8 @@ class RoomPit extends Model
             }
             if($room_type == 10){
                 //$pit_number 只能是1、3、4、5
-                if(!in_array($pit_number, [1,3,4,5])){
-                    return ['code' => 0, 'msg' => '签约房抱麦位只能是1、3、4、5', 'data' => null];
+                if(!$pit_number){
+                    $pit_number = $this->getRoomNullPitWithout($room_id, [2,6,7,8,9,10]);
                 }
                 //麦位上否有人
                 $on_pit = db::name('vs_room_pit')->where(['room_id' => $room_id, 'pit_number' => $pit_number])->value('user_id');