diff --git a/RevokeMsgPatcher.MultiInstance/FormMultiInstance.Designer.cs b/RevokeMsgPatcher.MultiInstance/FormMultiInstance.Designer.cs
index 1ab1687..11b3e4a 100644
--- a/RevokeMsgPatcher.MultiInstance/FormMultiInstance.Designer.cs
+++ b/RevokeMsgPatcher.MultiInstance/FormMultiInstance.Designer.cs
@@ -33,14 +33,17 @@
             this.btnChoosePath = new System.Windows.Forms.Button();
             this.label1 = new System.Windows.Forms.Label();
             this.label2 = new System.Windows.Forms.Label();
-            this.numericUpDown1 = new System.Windows.Forms.NumericUpDown();
-            this.button1 = new System.Windows.Forms.Button();
-            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).BeginInit();
+            this.startNum = new System.Windows.Forms.NumericUpDown();
+            this.btnStart = new System.Windows.Forms.Button();
+            this.linkLabel1 = new System.Windows.Forms.LinkLabel();
+            this.label3 = new System.Windows.Forms.Label();
+            this.label4 = new System.Windows.Forms.Label();
+            ((System.ComponentModel.ISupportInitialize)(this.startNum)).BeginInit();
             this.SuspendLayout();
             // 
             // txtPath
             // 
-            this.txtPath.Location = new System.Drawing.Point(92, 48);
+            this.txtPath.Location = new System.Drawing.Point(86, 60);
             this.txtPath.Name = "txtPath";
             this.txtPath.Size = new System.Drawing.Size(332, 21);
             this.txtPath.TabIndex = 7;
@@ -48,7 +51,7 @@
             // lblPathTag
             // 
             this.lblPathTag.AutoSize = true;
-            this.lblPathTag.Location = new System.Drawing.Point(21, 51);
+            this.lblPathTag.Location = new System.Drawing.Point(15, 63);
             this.lblPathTag.Name = "lblPathTag";
             this.lblPathTag.Size = new System.Drawing.Size(65, 12);
             this.lblPathTag.TabIndex = 6;
@@ -56,17 +59,18 @@
             // 
             // btnChoosePath
             // 
-            this.btnChoosePath.Location = new System.Drawing.Point(430, 47);
+            this.btnChoosePath.Location = new System.Drawing.Point(424, 59);
             this.btnChoosePath.Name = "btnChoosePath";
-            this.btnChoosePath.Size = new System.Drawing.Size(50, 23);
+            this.btnChoosePath.Size = new System.Drawing.Size(36, 23);
             this.btnChoosePath.TabIndex = 8;
             this.btnChoosePath.Text = "...";
             this.btnChoosePath.UseVisualStyleBackColor = true;
+            this.btnChoosePath.Click += new System.EventHandler(this.btnChoosePath_Click);
             // 
             // label1
             // 
             this.label1.AutoSize = true;
-            this.label1.Location = new System.Drawing.Point(106, 9);
+            this.label1.Location = new System.Drawing.Point(84, 151);
             this.label1.Name = "label1";
             this.label1.Size = new System.Drawing.Size(293, 24);
             this.label1.TabIndex = 9;
@@ -75,45 +79,83 @@
             // label2
             // 
             this.label2.AutoSize = true;
-            this.label2.Location = new System.Drawing.Point(21, 77);
+            this.label2.Location = new System.Drawing.Point(15, 95);
             this.label2.Name = "label2";
             this.label2.Size = new System.Drawing.Size(65, 12);
             this.label2.TabIndex = 11;
             this.label2.Text = "多开个数：";
             // 
-            // numericUpDown1
+            // startNum
             // 
-            this.numericUpDown1.Location = new System.Drawing.Point(92, 75);
-            this.numericUpDown1.Maximum = new decimal(new int[] {
+            this.startNum.Location = new System.Drawing.Point(86, 91);
+            this.startNum.Maximum = new decimal(new int[] {
             1000,
             0,
             0,
             0});
-            this.numericUpDown1.Name = "numericUpDown1";
-            this.numericUpDown1.Size = new System.Drawing.Size(55, 21);
-            this.numericUpDown1.TabIndex = 12;
-            this.numericUpDown1.Value = new decimal(new int[] {
+            this.startNum.Minimum = new decimal(new int[] {
+            2,
+            0,
+            0,
+            0});
+            this.startNum.Name = "startNum";
+            this.startNum.Size = new System.Drawing.Size(55, 21);
+            this.startNum.TabIndex = 12;
+            this.startNum.Value = new decimal(new int[] {
             2,
             0,
             0,
             0});
             // 
-            // button1
+            // btnStart
             // 
-            this.button1.Location = new System.Drawing.Point(211, 95);
-            this.button1.Name = "button1";
-            this.button1.Size = new System.Drawing.Size(108, 32);
-            this.button1.TabIndex = 13;
-            this.button1.Text = "点击启动！";
-            this.button1.UseVisualStyleBackColor = true;
+            this.btnStart.Location = new System.Drawing.Point(369, 91);
+            this.btnStart.Name = "btnStart";
+            this.btnStart.Size = new System.Drawing.Size(91, 23);
+            this.btnStart.TabIndex = 13;
+            this.btnStart.Text = "点击启动！";
+            this.btnStart.UseVisualStyleBackColor = true;
+            this.btnStart.Click += new System.EventHandler(this.btnStart_Click);
+            // 
+            // linkLabel1
+            // 
+            this.linkLabel1.AutoSize = true;
+            this.linkLabel1.Location = new System.Drawing.Point(284, 95);
+            this.linkLabel1.Name = "linkLabel1";
+            this.linkLabel1.Size = new System.Drawing.Size(41, 12);
+            this.linkLabel1.TabIndex = 15;
+            this.linkLabel1.TabStop = true;
+            this.linkLabel1.Text = "GitHub";
+            this.linkLabel1.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.linkLabel1_LinkClicked);
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Location = new System.Drawing.Point(177, 95);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(101, 12);
+            this.label3.TabIndex = 14;
+            this.label3.Text = "软件主页(开源)：";
+            // 
+            // label4
+            // 
+            this.label4.AutoSize = true;
+            this.label4.Location = new System.Drawing.Point(12, 9);
+            this.label4.Name = "label4";
+            this.label4.Size = new System.Drawing.Size(323, 36);
+            this.label4.TabIndex = 16;
+            this.label4.Text = "注意：\r\n1. 使用本程序多开前不能存在正在运行的微信进程。\r\n2. 多开的成功率取决于你的机器性能，不保证每次都能成功";
             // 
             // FormMultiInstance
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(513, 139);
-            this.Controls.Add(this.button1);
-            this.Controls.Add(this.numericUpDown1);
+            this.ClientSize = new System.Drawing.Size(472, 133);
+            this.Controls.Add(this.label4);
+            this.Controls.Add(this.linkLabel1);
+            this.Controls.Add(this.label3);
+            this.Controls.Add(this.btnStart);
+            this.Controls.Add(this.startNum);
             this.Controls.Add(this.label2);
             this.Controls.Add(this.label1);
             this.Controls.Add(this.txtPath);
@@ -121,7 +163,7 @@
             this.Controls.Add(this.btnChoosePath);
             this.Name = "FormMultiInstance";
             this.Text = "微信多开小工具";
-            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).EndInit();
+            ((System.ComponentModel.ISupportInitialize)(this.startNum)).EndInit();
             this.ResumeLayout(false);
             this.PerformLayout();
 
@@ -134,8 +176,11 @@
         private System.Windows.Forms.Button btnChoosePath;
         private System.Windows.Forms.Label label1;
         private System.Windows.Forms.Label label2;
-        private System.Windows.Forms.NumericUpDown numericUpDown1;
-        private System.Windows.Forms.Button button1;
+        private System.Windows.Forms.NumericUpDown startNum;
+        private System.Windows.Forms.Button btnStart;
+        private System.Windows.Forms.LinkLabel linkLabel1;
+        private System.Windows.Forms.Label label3;
+        private System.Windows.Forms.Label label4;
     }
 }
 
diff --git a/RevokeMsgPatcher.MultiInstance/FormMultiInstance.cs b/RevokeMsgPatcher.MultiInstance/FormMultiInstance.cs
index 5080549..1f566ef 100644
--- a/RevokeMsgPatcher.MultiInstance/FormMultiInstance.cs
+++ b/RevokeMsgPatcher.MultiInstance/FormMultiInstance.cs
@@ -1,8 +1,11 @@
-using System;
+using Microsoft.Win32;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
+using System.Diagnostics;
 using System.Drawing;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -15,6 +18,94 @@ namespace RevokeMsgPatcher.MultiInstance
         public FormMultiInstance()
         {
             InitializeComponent();
+            string installFolder = FindInstallPathFromRegistry("Wechat");
+            if (!string.IsNullOrEmpty(installFolder))
+            {
+                string wechatPath = Path.Combine(installFolder, "WeChat.exe");
+                if (File.Exists(wechatPath))
+                {
+                    txtPath.Text = wechatPath;
+                }
+            }
+        }
+
+        private void btnChoosePath_Click(object sender, EventArgs e)
+        {
+            OpenFileDialog dialog = new OpenFileDialog
+            {
+                Multiselect = false,
+                Title = "请选择微信启动主程序",
+                Filter = "微信主程序|WeChat.exe"
+            };
+            if (dialog.ShowDialog() == DialogResult.OK)
+            {
+                txtPath.Text = dialog.FileName;
+            }
+        }
+
+        private void btnStart_Click(object sender, EventArgs e)
+        {
+            if (File.Exists(txtPath.Text))
+            {
+                // 检测微信进程是否存在
+                Process[] ps = Process.GetProcessesByName("WeChat");
+                if (ps.Length > 0)
+                {
+                    DialogResult result = MessageBox.Show("当前存在运行中的微信进程，请先关闭当前微信才能使用该功能。点击【确定】强制关闭当前所有微信进程并进行多开，点击【取消】不做任何处理。", "当前存在运行中的微信进程", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
+                    if (result == DialogResult.OK)
+                    {
+                        foreach (Process p in ps)
+                            p.Kill();
+                    }
+                    else
+                    {
+                        return;
+                    }
+                }
+                // 启动多个实例
+                for (int i = 0; i < startNum.Value; i++)
+                {
+                    Process.Start(txtPath.Text);
+                }
+            }
+        }
+
+        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
+        {
+            Process.Start("https://github.com/huiyadanli/RevokeMsgPatcher");
+        }
+
+        /// <summary>
+        /// 从注册表中寻找安装路径
+        /// </summary>
+        /// <param name="uninstallKeyName">
+        /// 安装信息的注册表键名
+        /// 微信：WeChat
+        /// QQ：{052CFB79-9D62-42E3-8A15-DE66C2C97C3E} 
+        /// TIM：TIM
+        /// </param>
+        /// <returns>安装路径</returns>
+        public static string FindInstallPathFromRegistry(string uninstallKeyName)
+        {
+            try
+            {
+                RegistryKey key = Registry.LocalMachine.OpenSubKey($@"Software\Microsoft\Windows\CurrentVersion\Uninstall\{uninstallKeyName}");
+                if (key == null)
+                {
+                    return null;
+                }
+                object installLocation = key.GetValue("InstallLocation");
+                key.Close();
+                if (installLocation != null && !string.IsNullOrEmpty(installLocation.ToString()))
+                {
+                    return installLocation.ToString();
+                }
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e.Message);
+            }
+            return null;
         }
     }
 }