diff --git a/logic/Server/ArgumentOption.cs b/logic/Server/ArgumentOption.cs
index c39204e..a9032c8 100644
--- a/logic/Server/ArgumentOption.cs
+++ b/logic/Server/ArgumentOption.cs
@@ -39,8 +39,8 @@ namespace Server
         [Option('f', "fileName", Required = false, HelpText = "The file to store playback file or to read file.")]
         public string FileName { get; set; } = DefaultArgumentOptions.FileName;
 
-        [Option('s', "allowSpectator", Required = false, HelpText = "Whether to allow a spectator to watch the game.")]
-        public bool AllowSpectator { get; set; } = false;
+        [Option("notAllowSpectator", Required = false, HelpText = "Whether to allow a spectator to watch the game.")]
+        public bool NotAllowSpectator { get; set; } = false;
 
         [Option('b', "playback", Required = false, HelpText = "Whether open the server in a playback mode.")]
         public bool Playback { get; set; } = false;
diff --git a/logic/Server/GameServer.cs b/logic/Server/GameServer.cs
index b81bfe7..b7e3048 100644
--- a/logic/Server/GameServer.cs
+++ b/logic/Server/GameServer.cs
@@ -168,6 +168,23 @@ namespace Server
                 kvp.Value.Item2.Wait();
             }
         }
+        private bool playerDeceased(int playerID)
+        {
+            game.GameMap.GameObjLockDict[GameObjType.Character].EnterReadLock();
+            try
+            {
+                foreach (Character character in game.GameMap.GameObjDict[GameObjType.Character])
+                {
+                    if (character.PlayerID == playerID && character.PlayerState == PlayerStateType.Deceased) return true;
+                }
+            }
+            finally
+            {
+                game.GameMap.GameObjLockDict[GameObjType.Character].ExitReadLock();
+            }
+            return false;
+        }
+
         public int[] GetScore()
         {
             int[] score = new int[2]; // 0代表Student，1代表Tricker
@@ -222,9 +239,6 @@ namespace Server
             int[] score = GetScore();
             msg.StudentScore = score[0];
             msg.TrickerScore = score[1];
-            //msg.GateOpened
-            //msg.HiddenGateRefreshed
-            //msg.HiddenGateOpened
             return msg;
         }
 
diff --git a/logic/Server/RpcServices.cs b/logic/Server/RpcServices.cs
index 0e95b63..44de1bd 100644
--- a/logic/Server/RpcServices.cs
+++ b/logic/Server/RpcServices.cs
@@ -56,7 +56,7 @@ namespace Server
         {
 
             Console.WriteLine($"AddPlayer: {request.PlayerId}");
-            if (request.PlayerId >= spectatorMinPlayerID && options.AllowSpectator == true)
+            if (request.PlayerId >= spectatorMinPlayerID && options.NotAllowSpectator == false)
             {
                 // 观战模式
                 uint tp = (uint)request.PlayerId;
@@ -194,7 +194,7 @@ namespace Server
         public override Task<BoolRes> SendMessage(SendMsg request, ServerCallContext context)
         {
             var boolRes = new BoolRes();
-            if (request.PlayerId >= spectatorMinPlayerID)
+            if (request.PlayerId >= spectatorMinPlayerID || playerDeceased((int)request.PlayerId))
             {
                 boolRes.ActSuccess = false;
                 return Task.FromResult(boolRes);