重新连接处理没有在房间是的情况

application/api/model/Room.php

@@ -2524,7 +2524,10 @@ class Room extends Model
         if(!$room_id){
             $room_id = Db::name('vs_room_visitor')->where('user_id', $user_id)->order('id desc')->value('room_id');
         }
-
+        $room = db::name('vs_room_visitor')->where(['user_id' => $user_id,'room_id' => $room_id])->find();
+        if($room){
+            return ['code' => 1, 'msg' => '操作成功', 'data' => null];
+        }
         $room_info = db::name('vs_room_visitor')->insert(['room_id' => $room_id, 'user_id' => $user_id, 'createtime' => time()]);
         if(!$room_info){
             return ['code' => 0, 'msg' => '加入房间失败', 'data' => null];