Index: src/drive_lfss/command_console/command.cs
===================================================================
--- src/drive_lfss/command_console/command.cs	(revision 25)
+++ src/drive_lfss/command_console/command.cs	(working copy)
@@ -18,6 +18,10 @@
 namespace Drive_LFSS.CommandConsole_
 {
     using Drive_LFSS;
+    using Drive_LFSS.Session_;
+    using System.Collections.Generic;
+    using System;
+    using Drive_LFSS.Packet_;
     //using System.Collections.Generic;
     //using System.Text;
 
@@ -25,8 +29,11 @@
     {
         public static void Exec(string _commandText)
         {
-            switch (_commandText)
+            string[] args = _commandText.Split(new string[] { " " }, 2, StringSplitOptions.RemoveEmptyEntries);
+
+            switch (args[0])
             {
+                case "announcement": Announcement(args[1]); break;
                 case "exit": Exit(); break;
                 default:
                 {
@@ -36,6 +43,38 @@
                 }
             }
         }
+        private static void Announcement(string _commandText)
+        {
+            string[] args = _commandText.Split(new string[] { " " }, 2, StringSplitOptions.RemoveEmptyEntries);
+
+            if (args.Length == 2)
+            {
+                    if (args[0] != "*")
+                    {
+                        ushort serverId = Convert.ToUInt16(args[1]);
+
+                        if (SessionList.sessionList.ContainsKey(serverId))
+                        {
+                            SessionList.sessionList[serverId].session.AddToTcpSendingQueud(new Packet(Packet_Size.PACKET_SIZE_MST, Packet_Type.PACKET_MST_SEND_NORMAL_CHAT, new PacketMST(args[1])));
+                        }
+                        else
+                        {
+                            Program.log.command("Unknow serverId: " + args[0] + "\r\n");
+                        }
+                    }
+                    else
+                    {
+                        foreach (KeyValuePair<ushort, Drive_LFSS.Session_.SessionList.SessionStruct> keyPair in SessionList.sessionList)
+                        {
+                            SessionList.sessionList[keyPair.Key].session.AddToTcpSendingQueud(new Packet(Packet_Size.PACKET_SIZE_MST, Packet_Type.PACKET_MST_SEND_NORMAL_CHAT, new PacketMST(args[1])));
+                        }
+                    }
+            }
+            else
+            {
+                Program.log.command("Invalid command: " + _commandText + "\r\n");
+            }
+        }
         private static void Exit()
         {
             Program.log.normal("Exiting Requested, Please Wait For All Thread Too Close...\n\r");