diff --git a/application/api/model/RoomPit.php b/application/api/model/RoomPit.php
index 090893c..3653b2c 100644
--- a/application/api/model/RoomPit.php
+++ b/application/api/model/RoomPit.php
@@ -240,7 +240,7 @@ class RoomPit extends Model
 //                if($dow['code'] != 1){
 //                    return ['code' => 0, 'msg' => '操作失败', 'data' => null];
 //                }
-                $exchange = db::name('vs_room_pit')->where(['room_id' => $room_id, 'user_id' => $user_id])->update(['pit_number' => $pit_number]);
+                $exchange = db::name('vs_room_pit')->where(['room_id' => $room_id, 'pit_number' => $pit_number])->update([ 'user_id' => $user_id]);
                 if(!$exchange){
                     return ['code' => 0, 'msg' => '换麦失败', 'data' => null];
                 }
@@ -258,6 +258,7 @@ class RoomPit extends Model
                 }
                 $text['text'] = $FromUserInfo['nickname'].' 换到 ' . $pit_text;
                 $text['FromUserInfo'] = $FromUserInfo;
+                $text['pit_number'] = $pit_number;
                 model('Chat')->sendMsg(1039,$room_id,$text);
                 return ['code' => 1, 'msg' => '上麦成功', 'data' => null];
             }