diff --git a/ChatRoomServer.Main/ChatRoomServer.Main.csproj b/ChatRoomServer.Main/ChatRoomServer.Main.csproj
index ae0dfcd..9c607e5 100644
--- a/ChatRoomServer.Main/ChatRoomServer.Main.csproj
+++ b/ChatRoomServer.Main/ChatRoomServer.Main.csproj
@@ -60,6 +60,7 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
+    <Reference Include="System.configuration" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
diff --git a/ChatRoomServer.Main/ChatServer.cs b/ChatRoomServer.Main/ChatServer.cs
index e88772e..d127656 100644
--- a/ChatRoomServer.Main/ChatServer.cs
+++ b/ChatRoomServer.Main/ChatServer.cs
@@ -20,6 +20,7 @@ namespace ChatRoomServer.Main
 	{
 		static ILog _log;
 		static readonly object _lockObject = new object();
+		internal static HashSet<string> PresetAdministrators = (System.Configuration.ConfigurationManager.AppSettings["chat:admin"] ?? "").Split(new[] {';'}, StringSplitOptions.RemoveEmptyEntries).ToHashSet(StringComparer.OrdinalIgnoreCase);
 
 		static ChatServer()
 		{
diff --git a/ChatRoomServer.Main/ChatSession.cs b/ChatRoomServer.Main/ChatSession.cs
index 7356035..e97a2b8 100644
--- a/ChatRoomServer.Main/ChatSession.cs
+++ b/ChatRoomServer.Main/ChatSession.cs
@@ -19,6 +19,7 @@ namespace ChatRoomServer.Main
 
 		DateTime _connecTime = DateTime.Now;
 		long _connectId;
+		bool _isAdmin;
 
 		/// <summary>
 		/// 路径分割
@@ -55,6 +56,7 @@ namespace ChatRoomServer.Main
 				NickName = System.Net.WebUtility.UrlDecode(path[3]);
 			}
 			PathSegements = path;
+			_isAdmin = ChatServer.PresetAdministrators.Contains(UserName);
 
 			//更新统计
 			var db = new ChatDb();
diff --git a/Web12306/js/ui/chat/roomsession.js b/Web12306/js/ui/chat/roomsession.js
index 3e4d754..7ca9709 100644
--- a/Web12306/js/ui/chat/roomsession.js
+++ b/Web12306/js/ui/chat/roomsession.js
@@ -17,8 +17,13 @@
 	};
 
 	sessMgr.on("sessionChanged", function () {
-		user = sessMgr.current;
-		checkPrivilege();
+
+		if (!sessMgr.current) {
+			session.exitRoom();
+		} else {
+			user = sessMgr.current;
+			checkPrivilege();
+		}
 	});
 	checkPrivilege();