diff --git a/application/api/model/RoomPk.php b/application/api/model/RoomPk.php
index b4bca950..30b1ab1e 100644
--- a/application/api/model/RoomPk.php
+++ b/application/api/model/RoomPk.php
@@ -39,6 +39,14 @@ class RoomPk extends Model
         if ($roomPit != $create_user_id) {
             return ['code' => 0, 'msg' => '您不在此房间的主持人麦位，请上麦后发起PK', 'data' => ''];
         }
+
+        //判断自己是否开启了pk
+        $is_pk2 = db::name('vs_room_pk')->where(['room_id_a' => $room_id_a,'status' => ['in',[1,2,3,4]]])->find();
+        $is_pk3 = db::name('vs_room_pk')->where(['room_id_b' => $room_id_a,'status' => ['in',[1,2,3,4]]])->find();
+        if($is_pk2 || $is_pk3){
+            return ['code' => 0, 'msg' => '您已经开启了PK，请勿重复操作！', 'data' => ''];
+        }
+
         //没有接收者
         if(!$room_id_b){
             $where = [