diff --git a/VPet-Simulator.Windows.Interface/MutiPlayer/IMPWindows.cs b/VPet-Simulator.Windows.Interface/MutiPlayer/IMPWindows.cs
index b4af216..fa5e338 100644
--- a/VPet-Simulator.Windows.Interface/MutiPlayer/IMPWindows.cs
+++ b/VPet-Simulator.Windows.Interface/MutiPlayer/IMPWindows.cs
@@ -25,7 +25,11 @@ public interface IMPWindows
     /// <summary>
     /// 主持人SteamID
     /// </summary>
-    ulong OwnerID { get; }
+    ulong HostID { get; }
+    /// <summary>
+    /// 当前玩家是否是主持人
+    /// </summary>
+    bool IsHost { get; }
 
     /// <summary>
     /// 事件:成员退出
@@ -71,4 +75,8 @@ public interface IMPWindows
     /// 获取访客表菜单栏,可以插入自己的菜单
     /// </summary>
     TabControl TabControl { get; }
+    /// <summary>
+    /// 是否可加入
+    /// </summary>
+    bool Joinable { get; }
 }
diff --git a/VPet-Simulator.Windows/MainWindow.cs b/VPet-Simulator.Windows/MainWindow.cs
index a684890..6c08727 100644
--- a/VPet-Simulator.Windows/MainWindow.cs
+++ b/VPet-Simulator.Windows/MainWindow.cs
@@ -859,6 +859,14 @@ namespace VPet_Simulator.Windows
 
         private void Handle_Steam(Main obj)
         {
+            string jointab = " ";
+            if (winMutiPlayer != null)
+            {
+                if (winMutiPlayer.Joinable)
+                    jointab += "可加入".Translate();
+                SteamFriends.SetRichPresence("steam_player_group", winMutiPlayer.LobbyID.ToString("x"));
+                SteamFriends.SetRichPresence("steam_player_group_size", winMutiPlayer.lb.MemberCount.ToString());
+            }
             if (App.MainWindows.Count > 1)
             {
                 if (App.MainWindows.FirstOrDefault() != this)
@@ -897,11 +905,11 @@ namespace VPet_Simulator.Windows
                 SteamFriends.SetRichPresence("usernames", str.Trim(','));
                 if (lv > 0)
                 {
-                    SteamFriends.SetRichPresence("lv", $" (lv{lv}/{App.MainWindows.Count})");
+                    SteamFriends.SetRichPresence("lv", $" (lv{lv}/{App.MainWindows.Count})" + jointab);
                 }
                 else
                 {
-                    SteamFriends.SetRichPresence("lv", " ");
+                    SteamFriends.SetRichPresence("lv", " " + jointab);
                 }
                 if (workcount > allcount)
                 {
@@ -924,11 +932,11 @@ namespace VPet_Simulator.Windows
             {
                 if (HashCheck)
                 {
-                    SteamFriends.SetRichPresence("lv", $" (lv{GameSavesData.GameSave.Level})");
+                    SteamFriends.SetRichPresence("lv", $" (lv{GameSavesData.GameSave.Level})" + jointab);
                 }
                 else
                 {
-                    SteamFriends.SetRichPresence("lv", " ");
+                    SteamFriends.SetRichPresence("lv", " " + jointab);
                 }
                 if (Core.Save.Mode == IGameSave.ModeType.Ill)
                 {
diff --git a/VPet-Simulator.Windows/MutiPlayer/MPFriends.xaml.cs b/VPet-Simulator.Windows/MutiPlayer/MPFriends.xaml.cs
index fa6fb25..56f1608 100644
--- a/VPet-Simulator.Windows/MutiPlayer/MPFriends.xaml.cs
+++ b/VPet-Simulator.Windows/MutiPlayer/MPFriends.xaml.cs
@@ -631,7 +631,7 @@ public partial class MPFriends : WindowX, IMPFriend
                 }
             }
         }
-        winMPBetterBuy.Close();
+        winMPBetterBuy?.Close();
         Main?.Dispose();
         mw.Windows.Remove(this);
     }
diff --git a/VPet-Simulator.Windows/MutiPlayer/winMutiPlayer.xaml b/VPet-Simulator.Windows/MutiPlayer/winMutiPlayer.xaml
index bcfd632..8f38143 100644
--- a/VPet-Simulator.Windows/MutiPlayer/winMutiPlayer.xaml
+++ b/VPet-Simulator.Windows/MutiPlayer/winMutiPlayer.xaml
@@ -38,7 +38,7 @@
                 Foreground="{DynamicResource DARKPrimaryDarker}" CheckedBackground="{DynamicResource Primary}"
                 CheckedBorderBrush="{DynamicResource Primary}" CheckedToggleBrush="{DynamicResource DARKPrimaryText}"
                 Content="{ll:Str 允许好友加入}" ToggleBrush="{DynamicResource PrimaryDark}" ToggleShadowColor="{x:Null}"
-                ToggleSize="14" IsChecked="True" Visibility="Collapsed" Checked="swAllowJoin_Checked"
-                Unchecked="swAllowJoin_Unchecked" />
+                ToggleSize="14" IsChecked="True" Checked="swAllowJoin_Checked"
+                Unchecked="swAllowJoin_Unchecked" IsEnabled="False"/>
     </Grid>
 </Window>
diff --git a/VPet-Simulator.Windows/MutiPlayer/winMutiPlayer.xaml.cs b/VPet-Simulator.Windows/MutiPlayer/winMutiPlayer.xaml.cs
index af8db53..d17f1a5 100644
--- a/VPet-Simulator.Windows/MutiPlayer/winMutiPlayer.xaml.cs
+++ b/VPet-Simulator.Windows/MutiPlayer/winMutiPlayer.xaml.cs
@@ -32,7 +32,7 @@ namespace VPet_Simulator.Windows;
 /// </summary>
 public partial class winMutiPlayer : Window, IMPWindows
 {
-    Steamworks.Data.Lobby lb;
+    public Lobby lb;
     MainWindow mw;
     /// <summary>
     /// 好友宠物模块
@@ -72,7 +72,8 @@ public partial class winMutiPlayer : Window, IMPWindows
         lb = lbt.Value;
         lb.SetJoinable(true);
         lb.SetPublic();
-        swAllowJoin.Visibility = Visibility.Visible;
+        IsHost = true;
+        swAllowJoin.IsEnabled = true;
         ShowLobbyInfo();
     }
     public static ImageSource ConvertToImageSource(Steamworks.Data.Image? img)
@@ -111,10 +112,13 @@ public partial class winMutiPlayer : Window, IMPWindows
         return result;
     }
 
-    public ulong OwnerID { get; set; }
+    public ulong HostID { get; set; }
+    public bool IsHost { get; set; } = false;
 
     public ulong LobbyID => lb.Id.Value;
 
+    public bool Joinable { get; set; } = true;
+
     public IEnumerable<IMPFriend> Friends => MPFriends;
 
     public bool IsGameRunning { get; set; }
@@ -137,7 +141,7 @@ public partial class winMutiPlayer : Window, IMPWindows
             Dispatcher.Invoke(() =>
             {
                 hostName.Text = lb.Owner.Name;
-                OwnerID = lb.Owner.Id.Value;
+                HostID = lb.Owner.Id.Value;
                 lbLid.Text = lb.Id.Value.ToString("x");
                 HostHead.Source = ConvertToImageSource(img.Value);
             });
@@ -150,7 +154,7 @@ public partial class winMutiPlayer : Window, IMPWindows
 
             //给自己动画添加绑定
             mw.Main.GraphDisplayHandler += Main_GraphDisplayHandler;
-            if (lb.Owner.IsMe)
+            if (IsHost)
             {
                 Dispatcher.Invoke(() =>
                 {
@@ -199,9 +203,21 @@ public partial class winMutiPlayer : Window, IMPWindows
             if (lb.GetData("kick") == SteamClient.SteamId.Value.ToString())
             {
                 Task.Run(() => MessageBox.Show("访客表已被房主{0}关闭".Translate(lb.Owner.Name)));//温柔的谎言
+                lb.Leave();
                 lb = default(Lobby);
                 Close();
             }
+
+            if (lb.GetData("nojoin") == "true")
+            {
+                Joinable = false;
+                Dispatcher.Invoke(() => swAllowJoin.IsChecked = false);
+            }
+            else
+            {
+                Joinable = true;
+                Dispatcher.Invoke(() => swAllowJoin.IsChecked = true);
+            }
         }
     }
 
@@ -210,7 +226,7 @@ public partial class winMutiPlayer : Window, IMPWindows
     {
         if (lobby.Id != lb.Id) return;
         OnMemberLeave?.Invoke(friend.Id);
-        if (friend.Id == OwnerID)
+        if (friend.Id == HostID)
         {
             Task.Run(() => MessageBox.Show("访客表已被房主{0}关闭".Translate(friend.Name)));
             lb = default(Lobby);
@@ -418,11 +434,13 @@ public partial class winMutiPlayer : Window, IMPWindows
 
     private void swAllowJoin_Checked(object sender, RoutedEventArgs e)
     {
+        lb.SetData("nojoin", "false");
         lb.SetJoinable(true);
     }
 
     private void swAllowJoin_Unchecked(object sender, RoutedEventArgs e)
     {
+        lb.SetData("nojoin", "true");
         lb.SetJoinable(false);
     }