后台bug：是否机器人功能修改 加机器人库存数量判断

application/adminapi/controller/Room.php

@@ -820,11 +820,16 @@ class Room extends adminApi
             //在用户表里找 $robot_num 个机器人 进入到房间
             $user_list = db::name('user')->field('id')->where('is_robot',1)->limit($robot_num)->orderRaw('rand()')->select();
             if($user_list){
+                if(count($user_list) != $robot_num){
+                    return V(0,"机器人数量不足");
+                }
                 foreach ($user_list as $v){
                    model('api/Room')->join_room($v['id'],$room_id,$room_password);
                 }
+            }else{
+                return V(0,"没有可用机器人");
             }
-        }elseif ($is_robot_num == 2 && $robot_num == 0){
+        }elseif ($is_robot_num == 2 || $robot_num == 0){
             $data['robot_num'] = 0;
             //查询在房间中的机器人 并退出
             $user_list = db::name('vs_room_visitor')->alias('a')->join('user b','a.user_id = b.id','left')