diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/EncryptHelper.cs b/net.nutcore.aliddns/net.nutcore.aliddns/EncryptHelper.cs
new file mode 100644
index 0000000..2a9a63a
--- /dev/null
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/EncryptHelper.cs
@@ -0,0 +1,161 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace net.nutcore.aliddns
+{
+    /// <summary>
+    /// 加密工具类
+    /// </summary>
+    public class EncryptHelper
+    {
+        //默认密钥
+        private static string AESKey = "[45/*YUIdse..e;]";
+        private static string DESKey = "[&HdN72]";
+
+        /// <summary> 
+        /// AES加密 
+        /// </summary>
+        public static string AESEncrypt(string value, string _aeskey = null)
+        {
+            if (string.IsNullOrEmpty(_aeskey))
+            {
+                _aeskey = AESKey;
+            }
+
+            byte[] keyArray = Encoding.UTF8.GetBytes(_aeskey);
+            byte[] toEncryptArray = Encoding.UTF8.GetBytes(value);
+
+            RijndaelManaged rDel = new RijndaelManaged();
+            rDel.Key = keyArray;
+            rDel.Mode = CipherMode.ECB;
+            rDel.Padding = PaddingMode.PKCS7;
+
+            ICryptoTransform cTransform = rDel.CreateEncryptor();
+            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+
+            return Convert.ToBase64String(resultArray, 0, resultArray.Length);
+        }
+
+        /// <summary> 
+        /// AES解密 
+        /// </summary>
+        public static string AESDecrypt(string value, string _aeskey = null)
+        {
+            try
+            {
+                if (string.IsNullOrEmpty(_aeskey))
+                {
+                    _aeskey = AESKey;
+                }
+                byte[] keyArray = Encoding.UTF8.GetBytes(_aeskey);
+                byte[] toEncryptArray = Convert.FromBase64String(value);
+
+                RijndaelManaged rDel = new RijndaelManaged();
+                rDel.Key = keyArray;
+                rDel.Mode = CipherMode.ECB;
+                rDel.Padding = PaddingMode.PKCS7;
+
+                ICryptoTransform cTransform = rDel.CreateDecryptor();
+                byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+
+                return Encoding.UTF8.GetString(resultArray);
+            }
+            catch
+            {
+                return string.Empty;
+            }
+        }
+
+        /// <summary> 
+        /// DES加密 
+        /// </summary>
+        public static string DESEncrypt(string value, string _deskey = null)
+        {
+            if (string.IsNullOrEmpty(_deskey))
+            {
+                _deskey = DESKey;
+            }
+
+            byte[] keyArray = Encoding.UTF8.GetBytes(_deskey);
+            byte[] toEncryptArray = Encoding.UTF8.GetBytes(value);
+
+            DESCryptoServiceProvider rDel = new DESCryptoServiceProvider();
+            rDel.Key = keyArray;
+            rDel.Mode = CipherMode.ECB;
+            rDel.Padding = PaddingMode.PKCS7;
+
+            ICryptoTransform cTransform = rDel.CreateEncryptor();
+            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+
+            return Convert.ToBase64String(resultArray, 0, resultArray.Length);
+        }
+
+        /// <summary> 
+        /// DES解密 
+        /// </summary>
+        public static string DESDecrypt(string value, string _deskey = null)
+        {
+            try
+            {
+                if (string.IsNullOrEmpty(_deskey))
+                {
+                    _deskey = DESKey;
+                }
+                byte[] keyArray = Encoding.UTF8.GetBytes(_deskey);
+                byte[] toEncryptArray = Convert.FromBase64String(value);
+
+                DESCryptoServiceProvider rDel = new DESCryptoServiceProvider();
+                rDel.Key = keyArray;
+                rDel.Mode = CipherMode.ECB;
+                rDel.Padding = PaddingMode.PKCS7;
+
+                ICryptoTransform cTransform = rDel.CreateDecryptor();
+                byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+
+                return Encoding.UTF8.GetString(resultArray);
+            }
+            catch
+            {
+                return string.Empty;
+            }
+        }
+
+        public static string MD5(string value)
+        {
+            byte[] result = Encoding.UTF8.GetBytes(value);
+            MD5 md5 = new MD5CryptoServiceProvider();
+            byte[] output = md5.ComputeHash(result);
+            return BitConverter.ToString(output).Replace("-", "");
+        }
+
+        public static string HMACMD5(string value, string hmacKey)
+        {
+            HMACSHA1 hmacsha1 = new HMACSHA1(Encoding.UTF8.GetBytes(hmacKey));
+            byte[] result = System.Text.Encoding.UTF8.GetBytes(value);
+            byte[] output = hmacsha1.ComputeHash(result);
+
+
+            return BitConverter.ToString(output).Replace("-", "");
+        }
+
+        /// <summary>
+        /// base64编码
+        /// </summary>
+        /// <returns></returns>
+        public static string Base64Encode(string value)
+        {
+            string result = Convert.ToBase64String(Encoding.Default.GetBytes(value));
+            return result;
+        }
+        /// <summary>
+        /// base64解码
+        /// </summary>
+        /// <returns></returns>
+        public static string Base64Decode(string value)
+        {
+            string result = Encoding.Default.GetString(Convert.FromBase64String(value));
+            return result;
+        }
+    }
+}
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.Designer.cs b/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.Designer.cs
index 2c8c1e3..a84e46f 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.Designer.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.Designer.cs
@@ -189,13 +189,13 @@
             // 
             // label_nextUpdateSeconds
             // 
-            this.label_nextUpdateSeconds.AutoSize = true;
             this.label_nextUpdateSeconds.ForeColor = System.Drawing.Color.Red;
-            this.label_nextUpdateSeconds.Location = new System.Drawing.Point(97, 99);
+            this.label_nextUpdateSeconds.Location = new System.Drawing.Point(87, 99);
             this.label_nextUpdateSeconds.Name = "label_nextUpdateSeconds";
-            this.label_nextUpdateSeconds.Size = new System.Drawing.Size(17, 12);
+            this.label_nextUpdateSeconds.Size = new System.Drawing.Size(30, 12);
             this.label_nextUpdateSeconds.TabIndex = 3;
             this.label_nextUpdateSeconds.Text = "60";
+            this.label_nextUpdateSeconds.TextAlign = System.Drawing.ContentAlignment.TopRight;
             // 
             // updateNow
             // 
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs b/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs
index fb89161..69c0971 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs
@@ -6,7 +6,6 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Net;
-using System.Security.Cryptography;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Windows.Forms;
@@ -914,161 +913,4 @@ namespace net.nutcore.aliddns
             }
         }
     }
-
-    /// <summary>
-    /// 加密工具类
-    /// </summary>
-    public class EncryptHelper
-    {
-        //默认密钥
-        private static string AESKey = "[45/*YUIdse..e;]";
-        private static string DESKey = "[&HdN72]";
-
-        /// <summary> 
-        /// AES加密 
-        /// </summary>
-        public static string AESEncrypt(string value, string _aeskey = null)
-        {
-            if (string.IsNullOrEmpty(_aeskey))
-            {
-                _aeskey = AESKey;
-            }
-
-            byte[] keyArray = Encoding.UTF8.GetBytes(_aeskey);
-            byte[] toEncryptArray = Encoding.UTF8.GetBytes(value);
-
-            RijndaelManaged rDel = new RijndaelManaged();
-            rDel.Key = keyArray;
-            rDel.Mode = CipherMode.ECB;
-            rDel.Padding = PaddingMode.PKCS7;
-
-            ICryptoTransform cTransform = rDel.CreateEncryptor();
-            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
-
-            return Convert.ToBase64String(resultArray, 0, resultArray.Length);
-        }
-
-        /// <summary> 
-        /// AES解密 
-        /// </summary>
-        public static string AESDecrypt(string value, string _aeskey = null)
-        {
-            try
-            {
-                if (string.IsNullOrEmpty(_aeskey))
-                {
-                    _aeskey = AESKey;
-                }
-                byte[] keyArray = Encoding.UTF8.GetBytes(_aeskey);
-                byte[] toEncryptArray = Convert.FromBase64String(value);
-
-                RijndaelManaged rDel = new RijndaelManaged();
-                rDel.Key = keyArray;
-                rDel.Mode = CipherMode.ECB;
-                rDel.Padding = PaddingMode.PKCS7;
-
-                ICryptoTransform cTransform = rDel.CreateDecryptor();
-                byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
-
-                return Encoding.UTF8.GetString(resultArray);
-            }
-            catch
-            {
-                return string.Empty;
-            }
-        }
-
-        /// <summary> 
-        /// DES加密 
-        /// </summary>
-        public static string DESEncrypt(string value, string _deskey = null)
-        {
-            if (string.IsNullOrEmpty(_deskey))
-            {
-                _deskey = DESKey;
-            }
-
-            byte[] keyArray = Encoding.UTF8.GetBytes(_deskey);
-            byte[] toEncryptArray = Encoding.UTF8.GetBytes(value);
-
-            DESCryptoServiceProvider rDel = new DESCryptoServiceProvider();
-            rDel.Key = keyArray;
-            rDel.Mode = CipherMode.ECB;
-            rDel.Padding = PaddingMode.PKCS7;
-
-            ICryptoTransform cTransform = rDel.CreateEncryptor();
-            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
-
-            return Convert.ToBase64String(resultArray, 0, resultArray.Length);
-        }
-
-        /// <summary> 
-        /// DES解密 
-        /// </summary>
-        public static string DESDecrypt(string value, string _deskey = null)
-        {
-            try
-            {
-                if (string.IsNullOrEmpty(_deskey))
-                {
-                    _deskey = DESKey;
-                }
-                byte[] keyArray = Encoding.UTF8.GetBytes(_deskey);
-                byte[] toEncryptArray = Convert.FromBase64String(value);
-
-                DESCryptoServiceProvider rDel = new DESCryptoServiceProvider();
-                rDel.Key = keyArray;
-                rDel.Mode = CipherMode.ECB;
-                rDel.Padding = PaddingMode.PKCS7;
-
-                ICryptoTransform cTransform = rDel.CreateDecryptor();
-                byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
-
-                return Encoding.UTF8.GetString(resultArray);
-            }
-            catch
-            {
-                return string.Empty;
-            }
-        }
-
-        public static string MD5(string value)
-        {
-            byte[] result = Encoding.UTF8.GetBytes(value);
-            MD5 md5 = new MD5CryptoServiceProvider();
-            byte[] output = md5.ComputeHash(result);
-            return BitConverter.ToString(output).Replace("-", "");
-        }
-
-        public static string HMACMD5(string value, string hmacKey)
-        {
-            HMACSHA1 hmacsha1 = new HMACSHA1(Encoding.UTF8.GetBytes(hmacKey));
-            byte[] result = System.Text.Encoding.UTF8.GetBytes(value);
-            byte[] output = hmacsha1.ComputeHash(result);
-
-
-            return BitConverter.ToString(output).Replace("-", "");
-        }
-
-        /// <summary>
-        /// base64编码
-        /// </summary>
-        /// <returns></returns>
-        public static string Base64Encode(string value)
-        {
-            string result = Convert.ToBase64String(Encoding.Default.GetBytes(value));
-            return result;
-        }
-        /// <summary>
-        /// base64解码
-        /// </summary>
-        /// <returns></returns>
-        public static string Base64Decode(string value)
-        {
-            string result = Encoding.Default.GetString(Convert.FromBase64String(value));
-            return result;
-        }
-
-
-    }
 }
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/AssemblyInfo.cs b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/AssemblyInfo.cs
index a360133..a82c5b6 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/AssemblyInfo.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 //可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值，
 // 方法是按如下所示使用“*”: :
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.8.3.5")]
-[assembly: AssemblyFileVersion("3.8.3.5")]
+[assembly: AssemblyVersion("3.8.4.0")]
+[assembly: AssemblyFileVersion("3.8.4.0")]
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj b/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj
index e5014ab..a91879d 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj
@@ -88,6 +88,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="EncryptHelper.cs" />
     <Compile Include="Form_About.cs">
       <SubType>Form</SubType>
     </Compile>
@@ -109,7 +110,6 @@
     <Compile Include="ngrok.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="yml.cs" />
     <EmbeddedResource Include="Form_About.resx">
       <DependentUpon>Form_About.cs</DependentUpon>
     </EmbeddedResource>
@@ -149,7 +149,9 @@
     <Content Include="alidns_green.ico" />
     <Content Include="alidns_red.ico" />
     <Content Include="alidns_yellow.ico" />
-    <Content Include="updateinfo.txt" />
+    <Content Include="updateinfo.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <None Include="Resources\alidns_yellow.ico" />
     <None Include="Resources\alidns_red.ico" />
     <None Include="Resources\alidns_green.ico" />
@@ -172,7 +174,8 @@
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
-    <PreBuildEvent>copy "$(SolutionDir)net.nutcore.aliddns\updateinfo.txt" "$(TargetDir)"</PreBuildEvent>
+    <PreBuildEvent>
+    </PreBuildEvent>
   </PropertyGroup>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/updateinfo.txt b/net.nutcore.aliddns/net.nutcore.aliddns/updateinfo.txt
index 191cb74..e2b6904 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/updateinfo.txt
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/updateinfo.txt
@@ -1,3 +1,6 @@
+v3.8.4.0  
+1������Ngrok���ܡ�2����������ʱ�ؼ����ȣ��޸�������ʱ����3λʱ���ڵ������⡣3��������롣
+
 v3.8.3.5
 1�����Teamviewer���dz�״������ʵ��ngrok�ɡ�2���Զ��������ܼ���������...��
 
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/yml.cs b/net.nutcore.aliddns/net.nutcore.aliddns/yml.cs
deleted file mode 100644
index 1d572ec..0000000
--- a/net.nutcore.aliddns/net.nutcore.aliddns/yml.cs
+++ /dev/null
@@ -1,244 +0,0 @@
-using System;
-using System.IO;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Text.RegularExpressions;
-
-namespace net.nutcore.aliddns
-{
-    class YML
-    {
-        // 所有行  
-        private String[] lines;
-        // 格式化为节点  
-        private List<Node> nodeList = new List<Node>();
-        // 文件所在地址  
-        private String path;
-
-        public YML(String path)
-        {
-            this.path = path;
-            this.lines = File.ReadAllLines(path);
-
-            for (int i = 0; i < lines.Length; i++)
-            {
-                String line = lines[i];
-                if (line.Trim() == "")
-                {
-                    Console.WriteLine("空白行，行号：" + (i + 1));
-                    continue;
-                }
-                else if (line.Trim().Substring(0, 1) == "#")
-                {
-                    Console.WriteLine("注释行，行号：" + (i + 1));
-                    continue;
-                }
-
-                String[] kv = Regex.Split(line, ":", RegexOptions.IgnoreCase);
-                findPreSpace(line);
-                Node node = new Node();
-                node.space = findPreSpace(line);
-                node.name = kv[0].Trim();
-
-                // 去除前后空白符  
-                String fline = line.Trim();
-                int first = fline.IndexOf(':');
-                node.value = first == fline.Length - 1 ? null : fline.Substring(first + 2, fline.Length - first - 2);
-                node.parent = findParent(node.space);
-                nodeList.Add(node);
-            }
-
-            this.formatting();
-        }
-
-        // 修改值 允许key为多级 例如：spring.datasource.url  
-        public void modify(String key, String value)
-        {
-            Node node = findNodeByKey(key);
-            if (node != null)
-            {
-                node.value = value;
-            }
-        }
-
-        // 读取值  
-        public String read(String key, String value)
-        {
-            Node node = findNodeByKey(key);
-            if (node != null)
-            {
-                return node.value;
-            }
-            return null;
-        }
-
-        // 根据key找节点  
-        private Node findNodeByKey(String key)
-        {
-            String[] ks = key.Split('.');
-            for (int i = 0; i < nodeList.Count; i++)
-            {
-                Node node = nodeList[i];
-                if (node.name == ks[ks.Length - 1])
-                {
-                    // 判断父级  
-                    Node tem = node;
-                    // 统计匹配到的次数  
-                    int count = 1;
-                    for (int j = ks.Length - 2; j >= 0; j--)
-                    {
-                        if (tem.parent.name == ks[j])
-                        {
-                            count++;
-                            // 继续检查父级  
-                            tem = tem.parent;
-                        }
-                    }
-
-                    if (count == ks.Length)
-                    {
-                        return node;
-                    }
-                }
-            }
-            return null;
-        }
-
-        // 保存到文件中  
-        public void save()
-        {
-            StreamWriter stream = File.CreateText(this.path);
-            for (int i = 0; i < nodeList.Count; i++)
-            {
-                Node node = nodeList[i];
-                StringBuilder sb = new StringBuilder();
-                // 放入前置空格  
-                for (int j = 0; j < node.tier; j++)
-                {
-                    sb.Append("  ");
-                }
-                sb.Append(node.name);
-                sb.Append(": ");
-                if (node.value != null)
-                {
-                    sb.Append(node.value);
-                }
-                stream.WriteLine(sb.ToString());
-            }
-            stream.Flush();
-            stream.Close();
-        }
-
-        // 格式化  
-        public void formatting()
-        {
-            // 先找出根节点  
-            List<Node> parentNode = new List<Node>();
-            for (int i = 0; i < nodeList.Count; i++)
-            {
-                Node node = nodeList[i];
-                if (node.parent == null)
-                {
-                    parentNode.Add(node);
-                }
-            }
-
-            List<Node> fNodeList = new List<Node>();
-            // 遍历根节点  
-            for (int i = 0; i < parentNode.Count; i++)
-            {
-                Node node = parentNode[i];
-                fNodeList.Add(node);
-                findChildren(node, fNodeList);
-            }
-
-            Console.WriteLine("完成");
-
-            // 指针指向格式化后的  
-            nodeList = fNodeList;
-        }
-
-
-        // 层级  
-        int tier = 0;
-        // 查找孩子并进行分层  
-        private void findChildren(Node node, List<Node> fNodeList)
-        {
-            // 当前层 默认第一级，根在外层进行操作  
-            tier++;
-
-            for (int i = 0; i < nodeList.Count; i++)
-            {
-                Node item = nodeList[i];
-                if (item.parent == node)
-                {
-                    item.tier = tier;
-                    fNodeList.Add(item);
-                    findChildren(item, fNodeList);
-                }
-            }
-
-            // 走出一层  
-            tier--;
-        }
-
-        //查找前缀空格数量  
-        private int findPreSpace(String str)
-        {
-            List<char> chars = str.ToList();
-            int count = 0;
-            foreach (char c in chars)
-            {
-                if (c == ' ')
-                {
-                    count++;
-                }
-                else
-                {
-                    break;
-                }
-            }
-            return count;
-        }
-
-        // 根据缩进找上级  
-        private Node findParent(int space)
-        {
-
-            if (nodeList.Count == 0)
-            {
-                return null;
-            }
-            else
-            {
-                // 倒着找上级  
-                for (int i = nodeList.Count - 1; i >= 0; i--)
-                {
-                    Node node = nodeList[i];
-                    if (node.space < space)
-                    {
-                        return node;
-                    }
-                }
-                // 如果没有找到 返回null  
-                return null;
-            }
-        }
-
-        // 私有节点类  
-        private class Node
-        {
-            // 名称  
-            public String name { get; set; }
-            // 值  
-            public String value { get; set; }
-            // 父级  
-            public Node parent { get; set; }
-            // 前缀空格  
-            public int space { get; set; }
-            // 所属层级  
-            public int tier { get; set; }
-        }
-    }
-}