diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Form_About.Designer.cs b/net.nutcore.aliddns/net.nutcore.aliddns/Form_About.Designer.cs
index 8287eaf..b8e4e23 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Form_About.Designer.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Form_About.Designer.cs
@@ -174,7 +174,7 @@
             this.label6.Name = "label6";
             this.label6.Size = new System.Drawing.Size(59, 12);
             this.label6.TabIndex = 2;
-            this.label6.Text = "最新版本:";
+            this.label6.Text = "远程版本:";
             // 
             // label_currentVer
             // 
@@ -192,7 +192,7 @@
             this.label4.Name = "label4";
             this.label4.Size = new System.Drawing.Size(59, 12);
             this.label4.TabIndex = 0;
-            this.label4.Text = "当前版本:";
+            this.label4.Text = "本地版本:";
             // 
             // Form_About
             // 
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 0850e4e..f02e0c5 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.Designer.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.Designer.cs
@@ -43,7 +43,7 @@
             this.debugMessage = new System.Windows.Forms.GroupBox();
             this.label_TTL = new System.Windows.Forms.Label();
             this.label15 = new System.Windows.Forms.Label();
-            this.recordId = new System.Windows.Forms.TextBox();
+            this.textBox_recordId = new System.Windows.Forms.TextBox();
             this.globalValue = new System.Windows.Forms.Label();
             this.globalDomainType = new System.Windows.Forms.Label();
             this.label12 = new System.Windows.Forms.Label();
@@ -58,13 +58,13 @@
             this.button_ShowHide = new System.Windows.Forms.Button();
             this.checkAndSaveConfig = new System.Windows.Forms.Button();
             this.label8 = new System.Windows.Forms.Label();
-            this.newSeconds = new System.Windows.Forms.TextBox();
+            this.textBox_newSeconds = new System.Windows.Forms.TextBox();
             this.label7 = new System.Windows.Forms.Label();
             this.label6 = new System.Windows.Forms.Label();
             this.fullDomainName = new System.Windows.Forms.TextBox();
-            this.accessKeySecret = new System.Windows.Forms.TextBox();
+            this.textBox_accessKeySecret = new System.Windows.Forms.TextBox();
             this.label5 = new System.Windows.Forms.Label();
-            this.accessKeyId = new System.Windows.Forms.TextBox();
+            this.textBox_accessKeyId = new System.Windows.Forms.TextBox();
             this.label4 = new System.Windows.Forms.Label();
             this.autoUpdateTimer = new System.Windows.Forms.Timer(this.components);
             this.notifyIcon_sysTray = new System.Windows.Forms.NotifyIcon(this.components);
@@ -211,7 +211,7 @@
             // 
             this.debugMessage.Controls.Add(this.label_TTL);
             this.debugMessage.Controls.Add(this.label15);
-            this.debugMessage.Controls.Add(this.recordId);
+            this.debugMessage.Controls.Add(this.textBox_recordId);
             this.debugMessage.Controls.Add(this.globalValue);
             this.debugMessage.Controls.Add(this.globalDomainType);
             this.debugMessage.Controls.Add(this.label12);
@@ -246,13 +246,13 @@
             this.label15.TabIndex = 9;
             this.label15.Text = "TTL:";
             // 
-            // recordId
+            // textBox_recordId
             // 
-            this.recordId.Location = new System.Drawing.Point(68, 18);
-            this.recordId.Name = "recordId";
-            this.recordId.Size = new System.Drawing.Size(116, 21);
-            this.recordId.TabIndex = 8;
-            this.recordId.Text = "<null>";
+            this.textBox_recordId.Location = new System.Drawing.Point(68, 18);
+            this.textBox_recordId.Name = "textBox_recordId";
+            this.textBox_recordId.Size = new System.Drawing.Size(116, 21);
+            this.textBox_recordId.TabIndex = 8;
+            this.textBox_recordId.Text = "<null>";
             // 
             // globalValue
             // 
@@ -325,13 +325,13 @@
             this.globalSetGroup.Controls.Add(this.button_ShowHide);
             this.globalSetGroup.Controls.Add(this.checkAndSaveConfig);
             this.globalSetGroup.Controls.Add(this.label8);
-            this.globalSetGroup.Controls.Add(this.newSeconds);
+            this.globalSetGroup.Controls.Add(this.textBox_newSeconds);
             this.globalSetGroup.Controls.Add(this.label7);
             this.globalSetGroup.Controls.Add(this.label6);
             this.globalSetGroup.Controls.Add(this.fullDomainName);
-            this.globalSetGroup.Controls.Add(this.accessKeySecret);
+            this.globalSetGroup.Controls.Add(this.textBox_accessKeySecret);
             this.globalSetGroup.Controls.Add(this.label5);
-            this.globalSetGroup.Controls.Add(this.accessKeyId);
+            this.globalSetGroup.Controls.Add(this.textBox_accessKeyId);
             this.globalSetGroup.Controls.Add(this.label4);
             this.globalSetGroup.Location = new System.Drawing.Point(219, 132);
             this.globalSetGroup.Name = "globalSetGroup";
@@ -399,14 +399,14 @@
             this.label8.TabIndex = 8;
             this.label8.Text = "秒更新一次";
             // 
-            // newSeconds
+            // textBox_newSeconds
             // 
-            this.newSeconds.Location = new System.Drawing.Point(41, 145);
-            this.newSeconds.Name = "newSeconds";
-            this.newSeconds.Size = new System.Drawing.Size(60, 21);
-            this.newSeconds.TabIndex = 7;
-            this.newSeconds.Text = "60";
-            this.newSeconds.Leave += new System.EventHandler(this.newSeconds_Leave);
+            this.textBox_newSeconds.Location = new System.Drawing.Point(41, 145);
+            this.textBox_newSeconds.Name = "textBox_newSeconds";
+            this.textBox_newSeconds.Size = new System.Drawing.Size(60, 21);
+            this.textBox_newSeconds.TabIndex = 7;
+            this.textBox_newSeconds.Text = "60";
+            this.textBox_newSeconds.Leave += new System.EventHandler(this.newSeconds_Leave);
             // 
             // label7
             // 
@@ -435,15 +435,15 @@
             this.fullDomainName.Text = "www.xxx.com";
             this.fullDomainName.Leave += new System.EventHandler(this.fullDomainName_Leave);
             // 
-            // accessKeySecret
+            // textBox_accessKeySecret
             // 
-            this.accessKeySecret.Location = new System.Drawing.Point(8, 68);
-            this.accessKeySecret.Name = "accessKeySecret";
-            this.accessKeySecret.PasswordChar = '*';
-            this.accessKeySecret.Size = new System.Drawing.Size(192, 21);
-            this.accessKeySecret.TabIndex = 3;
-            this.accessKeySecret.Text = "null";
-            this.accessKeySecret.Leave += new System.EventHandler(this.accessKeySecret_Leave);
+            this.textBox_accessKeySecret.Location = new System.Drawing.Point(8, 68);
+            this.textBox_accessKeySecret.Name = "textBox_accessKeySecret";
+            this.textBox_accessKeySecret.PasswordChar = '*';
+            this.textBox_accessKeySecret.Size = new System.Drawing.Size(192, 21);
+            this.textBox_accessKeySecret.TabIndex = 3;
+            this.textBox_accessKeySecret.Text = "null";
+            this.textBox_accessKeySecret.Leave += new System.EventHandler(this.accessKeySecret_Leave);
             // 
             // label5
             // 
@@ -454,15 +454,15 @@
             this.label5.TabIndex = 2;
             this.label5.Text = "accessKeySecret";
             // 
-            // accessKeyId
+            // textBox_accessKeyId
             // 
-            this.accessKeyId.Location = new System.Drawing.Point(8, 29);
-            this.accessKeyId.Name = "accessKeyId";
-            this.accessKeyId.PasswordChar = '*';
-            this.accessKeyId.Size = new System.Drawing.Size(192, 21);
-            this.accessKeyId.TabIndex = 1;
-            this.accessKeyId.Text = "null";
-            this.accessKeyId.Leave += new System.EventHandler(this.accessKeyId_Leave);
+            this.textBox_accessKeyId.Location = new System.Drawing.Point(8, 29);
+            this.textBox_accessKeyId.Name = "textBox_accessKeyId";
+            this.textBox_accessKeyId.PasswordChar = '*';
+            this.textBox_accessKeyId.Size = new System.Drawing.Size(192, 21);
+            this.textBox_accessKeyId.TabIndex = 1;
+            this.textBox_accessKeyId.Text = "null";
+            this.textBox_accessKeyId.Leave += new System.EventHandler(this.accessKeyId_Leave);
             // 
             // label4
             // 
@@ -713,13 +713,13 @@
         private System.Windows.Forms.GroupBox debugMessage;
         private System.Windows.Forms.GroupBox globalSetGroup;
         private System.Windows.Forms.Label label8;
-        private System.Windows.Forms.TextBox newSeconds;
+        private System.Windows.Forms.TextBox textBox_newSeconds;
         private System.Windows.Forms.Label label7;
         private System.Windows.Forms.Label label6;
         private System.Windows.Forms.TextBox fullDomainName;
-        private System.Windows.Forms.TextBox accessKeySecret;
+        private System.Windows.Forms.TextBox textBox_accessKeySecret;
         private System.Windows.Forms.Label label5;
-        private System.Windows.Forms.TextBox accessKeyId;
+        private System.Windows.Forms.TextBox textBox_accessKeyId;
         private System.Windows.Forms.Label label4;
         private System.Windows.Forms.Timer autoUpdateTimer;
         private System.Windows.Forms.Button checkAndSaveConfig;
@@ -730,7 +730,7 @@
         private System.Windows.Forms.Label label10;
         private System.Windows.Forms.Label globalDomainType;
         private System.Windows.Forms.Label globalValue;
-        private System.Windows.Forms.TextBox recordId;
+        private System.Windows.Forms.TextBox textBox_recordId;
         private System.Windows.Forms.NotifyIcon notifyIcon_sysTray;
         private System.Windows.Forms.ContextMenuStrip contextMenuStrip_sysTrayMenu;
         private System.Windows.Forms.ToolStripMenuItem toolStripMenuItem_Exit;
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs b/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs
index 821eb3e..6889eae 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs
@@ -125,11 +125,11 @@ namespace net.nutcore.aliddns
         {
             try
             {
-                accessKeyId.Text = EncryptHelper.AESDecrypt(cfg.GetAppSetting("AccessKeyID").ToString());
-                accessKeySecret.Text = EncryptHelper.AESDecrypt(cfg.GetAppSetting("AccessKeySecret").ToString());
-                recordId.Text = cfg.GetAppSetting("RecordID").ToString();
+                textBox_accessKeyId.Text = EncryptHelper.AESDecrypt(cfg.GetAppSetting("AccessKeyID").ToString());
+                textBox_accessKeySecret.Text = EncryptHelper.AESDecrypt(cfg.GetAppSetting("AccessKeySecret").ToString());
+                textBox_recordId.Text = cfg.GetAppSetting("RecordID").ToString();
                 fullDomainName.Text = cfg.GetAppSetting("fullDomainName").ToString();
-                label_nextUpdateSeconds.Text = newSeconds.Text = cfg.GetAppSetting("WaitingTime").ToString();
+                label_nextUpdateSeconds.Text = textBox_newSeconds.Text = cfg.GetAppSetting("WaitingTime").ToString();
                 if (cfg.GetAppSetting("autoUpdate").ToString() == "On") checkBox_autoUpdate.Checked = true;
                 else checkBox_autoUpdate.Checked = false;
                 if(cfg.GetAppSetting("whatIsUrl").ToString() != null)
@@ -231,17 +231,22 @@ namespace net.nutcore.aliddns
         }
 
         /// <summary>
-        /// 从阿里云获取域名记录
+        /// 从阿里云获取域名记录recordId
         /// </summary>
         /// <returns></returns>
-        private bool getRecordId() //获取阿里云解析返回recordId
+        private bool getRecordId()
         {
-            clientProfile = DefaultProfile.GetProfile("cn-hangzhou", accessKeyId.Text.ToString(), accessKeySecret.Text.ToString());
+            if(textBox_accessKeyId.Text.ToString()==null||textBox_accessKeySecret.Text.ToString()==null||fullDomainName.Text.ToString()==null||textBox_TTL.Text.ToString()==null||textBox_newSeconds.Text.ToString()==null)
+            {
+                textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "请检查设置，不能为空！" + "\r\n");
+                return false;
+            }
+            clientProfile = DefaultProfile.GetProfile("cn-hangzhou", textBox_accessKeyId.Text.ToString(), textBox_accessKeySecret.Text.ToString());
             client = new DefaultAcsClient(clientProfile);
             DescribeSubDomainRecordsRequest request = new DescribeSubDomainRecordsRequest();
             request.SubDomain = fullDomainName.Text;
             try
-            {                
+            {
                 DescribeSubDomainRecordsResponse response = client.GetAcsResponse(request);
                 List<Record> list = response.DomainRecords;
 
@@ -257,7 +262,7 @@ namespace net.nutcore.aliddns
                     {
                         i++;
                         textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "阿里云DNS服务返回RecordId:" + i.ToString() + " RecordId：" + record.RecordId + "\r\n");
-                        recordId.Text = record.RecordId;
+                        textBox_recordId.Text = record.RecordId;
                         globalRR.Text = record.RR;
                         globalDomainType.Text = record.Type;
                         globalValue.Text = domainIP.Text = record.Value;
@@ -268,21 +273,23 @@ namespace net.nutcore.aliddns
                     return true;
                 }
             }
-            //处理错误
-            catch (Exception error)
-            {
-                textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "updateDomainRecord() Exception:  " + error + "\r\n");
-            }
-            /*
             catch (ServerException e)
             {
                 textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "Server Exception:  " + e.ErrorCode + e.ErrorMessage + "\r\n");
+                return false;
             }
             catch (ClientException e)
             {
                 textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "Client Exception:  " + e.ErrorCode + e.ErrorMessage + "\r\n");
+                return false;
+            }
+            //处理错误
+            /*
+            catch (Exception error)
+            {
+                textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "updateDomainRecord() Exception:  " + error + "\r\n");
+                return false;
             }*/
-            return false;
         }
 
         /// <summary>
@@ -291,10 +298,10 @@ namespace net.nutcore.aliddns
         /// <returns></returns>
         private string getAliDnsRecordDomainIP()
         {
-            clientProfile = DefaultProfile.GetProfile("cn-hangzhou", accessKeyId.Text.ToString(), accessKeySecret.Text.ToString());
+            clientProfile = DefaultProfile.GetProfile("cn-hangzhou", textBox_accessKeyId.Text.ToString(), textBox_accessKeySecret.Text.ToString());
             client = new DefaultAcsClient(clientProfile);
             DescribeDomainRecordInfoRequest request = new DescribeDomainRecordInfoRequest();
-            request.RecordId = recordId.Text.ToString();
+            request.RecordId = textBox_recordId.Text.ToString();
             try
             {
                 DescribeDomainRecordInfoResponse response = client.GetAcsResponse(request);
@@ -304,13 +311,13 @@ namespace net.nutcore.aliddns
                     if(fullDomain != fullDomainName.Text.ToString())
                     {
                         textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "阿里云DNS域名记录:"+ response.RecordId + " 对应域名为:" + fullDomain + "\r\n");
-                        textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "配置文件域名记录:" + recordId.Text.ToString() + " 对应域名为:" + fullDomainName.Text.ToString() + "\r\n");
+                        textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "配置文件域名记录:" + textBox_recordId.Text.ToString() + " 对应域名为:" + fullDomainName.Text.ToString() + "\r\n");
                         textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "配置文件设置错误！可能原因是修改域名记录后未及时添加，已经自动修改配置文件与服务器记录一致！" + "\r\n");
                         fullDomainName.Text = fullDomain;
                         cfg.SaveAppSetting("fullDomainName", fullDomain);
                     }
                     textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "域名:" + response.RR + "." + response.DomainName + " 已经绑定IP:" + response.Value + "\r\n");
-                    recordId.Text = response.RecordId;
+                    textBox_recordId.Text = response.RecordId;
                     globalRR.Text = response.RR;
                     globalDomainType.Text = response.Type;
                     globalValue.Text = response.Value;
@@ -350,12 +357,12 @@ namespace net.nutcore.aliddns
             string domainRR = data[0];
             string domainName = data[1] + "." + data[2];
 
-            clientProfile = DefaultProfile.GetProfile("cn-hangzhou", accessKeyId.Text.ToString(), accessKeySecret.Text.ToString());
+            clientProfile = DefaultProfile.GetProfile("cn-hangzhou", textBox_accessKeyId.Text.ToString(), textBox_accessKeySecret.Text.ToString());
             client = new DefaultAcsClient(clientProfile);
             UpdateDomainRecordRequest request = new UpdateDomainRecordRequest();
             request.Type = "A";
             request.RR = domainRR;
-            request.RecordId = recordId.Text;
+            request.RecordId = textBox_recordId.Text;
             request.TTL = Convert.ToInt32(textBox_TTL.Text);
             request.Value = localIP.Text;
             try
@@ -367,7 +374,7 @@ namespace net.nutcore.aliddns
                     domainIP.Text = localIP.Text; //更新窗体数据
                     textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "域名绑定IP更新成功！" + "\r\n");
                 }
-                recordId.Text = response.RecordId;
+                textBox_recordId.Text = response.RecordId;
             }
             //处理错误
             catch (Exception error)
@@ -396,7 +403,7 @@ namespace net.nutcore.aliddns
             string domainRR = data[0];
             string domainName = data[1] + "." + data[2];
 
-            clientProfile = DefaultProfile.GetProfile("cn-hangzhou", accessKeyId.Text.ToString(), accessKeySecret.Text.ToString());
+            clientProfile = DefaultProfile.GetProfile("cn-hangzhou", textBox_accessKeyId.Text.ToString(), textBox_accessKeySecret.Text.ToString());
             client = new DefaultAcsClient(clientProfile);
             AddDomainRecordRequest request = new AddDomainRecordRequest();
             request.Type = "A";
@@ -411,7 +418,7 @@ namespace net.nutcore.aliddns
                 if (response.RecordId != null)
                 {
                     textBox_log.AppendText(System.DateTime.Now.ToString() + " " + " 域名：" + fullDomainName.Text + "添加成功！" + "服务器返回RecordId:" + response.RecordId  + "\r\n");
-                    recordId.Text = response.RecordId.ToString();
+                    textBox_recordId.Text = response.RecordId.ToString();
                     cfg.SaveAppSetting("RecordID", response.RecordId.ToString());
                     globalDomainType.Text = request.Type;
                     globalRR.Text = request.RR;
@@ -425,7 +432,7 @@ namespace net.nutcore.aliddns
                     textBox_log.AppendText(System.DateTime.Now.ToString() + " " + " 域名：" + fullDomainName.Text + "添加失败！" + "\r\n");
                     label_DomainIpStatus.Text = "未绑定";
                     domainIP.Text = "0.0.0.0";
-                    recordId.Text = "null";
+                    textBox_recordId.Text = "null";
                     globalRR.Text = "null";
                     globalDomainType.Text = "null";
                     globalValue.Text = "null";
@@ -457,7 +464,7 @@ namespace net.nutcore.aliddns
         /// </summary>
         private void updatePrepare()
         {
-            label_nextUpdateSeconds.Text = newSeconds.Text;
+            label_nextUpdateSeconds.Text = textBox_newSeconds.Text;
             string[] arrayUrl = cfg.GetAppSetting("whatIsUrl").ToString().Split(',');
             foreach (string strUrl in arrayUrl)
             {
@@ -569,14 +576,14 @@ namespace net.nutcore.aliddns
             if (button_ShowHide.Text == "显示录入")
             {
                 button_ShowHide.Text = "隐藏录入";
-                accessKeyId.PasswordChar = (char)0;
-                accessKeySecret.PasswordChar = (char)0;
+                textBox_accessKeyId.PasswordChar = (char)0;
+                textBox_accessKeySecret.PasswordChar = (char)0;
             }
             else
             {
                 button_ShowHide.Text = "显示录入";
-                accessKeyId.PasswordChar = '*';
-                accessKeySecret.PasswordChar = '*';
+                textBox_accessKeyId.PasswordChar = '*';
+                textBox_accessKeySecret.PasswordChar = '*';
             }
         }
 
@@ -737,40 +744,37 @@ namespace net.nutcore.aliddns
 
         }
 
+        /// <summary>
+        /// 从github.com仓库检查软件最新release版本信息，返回版本号
+        /// </summary>
+        /// <returns></returns>
         public static string verCheckUpdate()
         {
             try
             {
                 string strUrl = "https://github.com/wisdomwei201804/AliDDNS/releases/latest";
                 if (strUrl.StartsWith("https"))
-                    System.Net.ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;  // SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls1.2 | SecurityProtocolType.Tls12;
-                System.Net.Http.HttpClient httpClient = new System.Net.Http.HttpClient(
-                    new System.Net.Http.HttpClientHandler
-                    {
-                        //CookieContainer = cookies,
-                        AutomaticDecompression = DecompressionMethods.GZip //防止返回的json乱码
-                                               | DecompressionMethods.Deflate
-                    });
-                httpClient.DefaultRequestHeaders.Add("UserAgent", "Mozilla/4.0(compatible;MSIE6.0;WindowsNT5.1)");
-                httpClient.DefaultRequestHeaders.Add("Accept-Language", "zh-CN,zh;q=0.8,en-US;q=0.6,en;q=0.4");
-                httpClient.DefaultRequestHeaders.Add("Accept-Encoding", "gzip, deflate, sdch");
-                httpClient.DefaultRequestHeaders.Add("Accept", "text/html,application/x-www-form-urlencoded,application/xhtml+xml,application/json,application/xml;q=0.9,image/webp,*/*;q=0.8");
-                httpClient.DefaultRequestHeaders.Accept.Clear();
-                httpClient.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
-                httpClient.DefaultRequestHeaders.AcceptCharset.Add(new System.Net.Http.Headers.StringWithQualityHeaderValue("UTF-8"));
-                System.Net.Http.HttpResponseMessage response = httpClient.GetAsync(strUrl).Result;
-                //var statusCode = response.StatusCode.ToString();
-                if (response.IsSuccessStatusCode)
                 {
-                    string result = response.Content.ReadAsStringAsync().Result;
-                    string ver = System.Text.RegularExpressions.Regex.Match(result, @"""tag_name"":""([^""]*)""").Groups[1].Value;
-                    //MessageBox.Show(ver);
-                    return ver.ToString();
+                    ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;  // SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls1.2 | SecurityProtocolType.Tls12;
+                }
+                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(strUrl);
+                request.Method = "GET";
+                request.Accept = "application/json";
+                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
+                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8"));
+                string result = sr.ReadToEnd();
+                sr.Close();
+                sr.Dispose();
+                if (response.StatusCode.ToString() == "OK" )
+                {
+                    //MessageBox.Show(response.StatusCode.ToString());
+                    //MessageBox.Show(Regex.Match(result, @"""tag_name"":""([^""]*)""").Groups[1].Value);
+                    return Regex.Match(result, @"""tag_name"":""([^""]*)""").Groups[1].Value;
                 }
                 else
+                {
                     return null;
-                //httpClient.Dispose();
-                //response.Dispose();
+                }
             }
             catch (Exception error)
             {
@@ -845,13 +849,13 @@ namespace net.nutcore.aliddns
 
         private void accessKeyId_Leave(object sender, EventArgs e)
         {
-            cfg.SaveAppSetting("AccessKeyID", EncryptHelper.AESEncrypt(this.accessKeyId.Text.ToString()));
+            cfg.SaveAppSetting("AccessKeyID", EncryptHelper.AESEncrypt(this.textBox_accessKeyId.Text.ToString()));
             textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "accessKeyId已经保存，请完成设置录入后点击测试连接！" + "\r\n");
         }
 
         private void accessKeySecret_Leave(object sender, EventArgs e)
         {
-            cfg.SaveAppSetting("AccessKeySecret", EncryptHelper.AESEncrypt(this.accessKeySecret.Text.ToString()));
+            cfg.SaveAppSetting("AccessKeySecret", EncryptHelper.AESEncrypt(this.textBox_accessKeySecret.Text.ToString()));
             textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "accessKeySecret已经保存，请完成设置录入后点击测试连接！" + "\r\n");
         }
 
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Resources.Designer.cs b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Resources.Designer.cs
index 32d4ff6..693dd18 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Resources.Designer.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Resources.Designer.cs
@@ -60,6 +60,16 @@ namespace net.nutcore.aliddns.Properties {
             }
         }
         
+        /// <summary>
+        ///   查找类似于 (Icon) 的 System.Drawing.Icon 类型的本地化资源。
+        /// </summary>
+        internal static System.Drawing.Icon alidns {
+            get {
+                object obj = ResourceManager.GetObject("alidns", resourceCulture);
+                return ((System.Drawing.Icon)(obj));
+            }
+        }
+        
         /// <summary>
         ///   查找类似于 (Icon) 的 System.Drawing.Icon 类型的本地化资源。
         /// </summary>
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Resources.resx b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Resources.resx
index ca88d8c..c8b8257 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Resources.resx
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Resources.resx
@@ -118,6 +118,9 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="alidns" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\alidns.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
   <data name="alidns_gray" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\alidns_gray.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/alidns.ico b/net.nutcore.aliddns/net.nutcore.aliddns/Resources/alidns.ico
similarity index 100%
rename from net.nutcore.aliddns/net.nutcore.aliddns/alidns.ico
rename to net.nutcore.aliddns/net.nutcore.aliddns/Resources/alidns.ico
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/alidns_gray.ico b/net.nutcore.aliddns/net.nutcore.aliddns/alidns_gray.ico
deleted file mode 100644
index 2b680bb..0000000
Binary files a/net.nutcore.aliddns/net.nutcore.aliddns/alidns_gray.ico and /dev/null differ
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/alidns_green.ico b/net.nutcore.aliddns/net.nutcore.aliddns/alidns_green.ico
deleted file mode 100644
index e6611ea..0000000
Binary files a/net.nutcore.aliddns/net.nutcore.aliddns/alidns_green.ico and /dev/null differ
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/alidns_red.ico b/net.nutcore.aliddns/net.nutcore.aliddns/alidns_red.ico
deleted file mode 100644
index 06bc644..0000000
Binary files a/net.nutcore.aliddns/net.nutcore.aliddns/alidns_red.ico and /dev/null differ
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/alidns_yellow.ico b/net.nutcore.aliddns/net.nutcore.aliddns/alidns_yellow.ico
deleted file mode 100644
index f3cce76..0000000
Binary files a/net.nutcore.aliddns/net.nutcore.aliddns/alidns_yellow.ico and /dev/null differ
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-alidns.dll b/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-alidns.dll
index 3468044..001144f 100644
Binary files a/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-alidns.dll and b/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-alidns.dll differ
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-core.dll b/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-core.dll
index 3e08443..3fb3a0c 100644
Binary files a/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-core.dll and b/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-core.dll differ
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/app.config b/net.nutcore.aliddns/net.nutcore.aliddns/app.config
deleted file mode 100644
index 3f26b59..0000000
--- a/net.nutcore.aliddns/net.nutcore.aliddns/app.config
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" /></startup>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-2.2.29.0" newVersion="2.2.29.0" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
-</configuration>
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 aaff07e..412f237 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj
@@ -13,6 +13,7 @@
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <IsWebBootstrapper>false</IsWebBootstrapper>
+    <TargetFrameworkProfile />
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>
@@ -27,7 +28,6 @@
     <ApplicationVersion>0.0.0.%2a</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
-    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -51,14 +51,16 @@
     <UseVSHostingProcess>false</UseVSHostingProcess>
   </PropertyGroup>
   <PropertyGroup>
-    <ApplicationIcon>alidns.ico</ApplicationIcon>
+    <ApplicationIcon>Resources\alidns.ico</ApplicationIcon>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="aliyun-net-sdk-alidns">
-      <HintPath>aliyun-net-sdk-alidns.dll</HintPath>
+    <Reference Include="aliyun-net-sdk-alidns, Version=0.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>.\aliyun-net-sdk-alidns.dll</HintPath>
     </Reference>
-    <Reference Include="aliyun-net-sdk-core">
-      <HintPath>aliyun-net-sdk-core.dll</HintPath>
+    <Reference Include="aliyun-net-sdk-Core, Version=0.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>.\aliyun-net-sdk-Core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=11.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.11.0.2\lib\net40\Newtonsoft.Json.dll</HintPath>
@@ -70,34 +72,6 @@
     <Reference Include="System.configuration" />
     <Reference Include="System.Core" />
     <Reference Include="System.DirectoryServices" />
-    <Reference Include="System.IO, Version=2.6.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Bcl.1.1.10\lib\net40\System.IO.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Net.Http, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net40\System.Net.Http.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Net.Http.Extensions, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net40\System.Net.Http.Extensions.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Net.Http.Primitives, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net40\System.Net.Http.Primitives.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Net.Http.WebRequest, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net40\System.Net.Http.WebRequest.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Runtime, Version=2.6.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Bcl.1.1.10\lib\net40\System.Runtime.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Threading.Tasks, Version=2.6.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Bcl.1.1.10\lib\net40\System.Threading.Tasks.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data" />
@@ -156,7 +130,6 @@
       <DependentUpon>Resources.resx</DependentUpon>
       <DesignTime>True</DesignTime>
     </Compile>
-    <None Include="app.config" />
     <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
@@ -169,11 +142,7 @@
     </Compile>
   </ItemGroup>
   <ItemGroup>
-    <Content Include="alidns.ico" />
-    <Content Include="alidns_gray.ico" />
-    <Content Include="alidns_green.ico" />
-    <Content Include="alidns_red.ico" />
-    <Content Include="alidns_yellow.ico" />
+    <None Include="Resources\alidns.ico" />
     <Content Include="updateinfo.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
@@ -202,11 +171,6 @@
     <PreBuildEvent>
     </PreBuildEvent>
   </PropertyGroup>
-  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" />
-  <Target Name="EnsureBclBuildImported" BeforeTargets="BeforeBuild" Condition="'$(BclBuildImported)' == ''">
-    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=317567." HelpKeyword="BCLBUILD2001" />
-    <Error Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="The build restored NuGet packages. Build the project again to include these packages in the build. For more information, see http://go.microsoft.com/fwlink/?LinkID=317568." HelpKeyword="BCLBUILD2002" />
-  </Target>
   <!-- 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.
   <Target Name="BeforeBuild">
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/packages.config b/net.nutcore.aliddns/net.nutcore.aliddns/packages.config
index 69f9cbb..512c716 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/packages.config
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/packages.config
@@ -1,8 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net40" />
-  <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="net40" />
-  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net40" />
   <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net40" />
   <package id="YamlDotNet" version="5.0.1" targetFramework="net40" />
 </packages>
\ No newline at end of file