diff --git a/MainForm.cs b/MainForm.cs
index 452d703..6c3bce1 100644
--- a/MainForm.cs
+++ b/MainForm.cs
@@ -40,7 +40,7 @@ namespace steam_token
 
             if (null == config || null == config.SteamGuard || !SteamTwoFactorToken.Verify(config.SteamGuard.shared_secret))
             {
-                OpenGuardConfigForm();
+                OpenGuardConfigForm(true);
             }
             else
             {
@@ -57,12 +57,12 @@ namespace steam_token
         /// <param name="e"></param>
         private void GuardToolStripMenuItem_Click(object sender, EventArgs e)
         {
-            OpenGuardConfigForm();
+            OpenGuardConfigForm(false);
         }
 
-        private void OpenGuardConfigForm()
+        private void OpenGuardConfigForm(bool flag)
         {
-            GuardConfig guard = new GuardConfig(this.label_guard, this.progressBar_refresh);
+            GuardConfig guard = new GuardConfig(this.label_guard, this.progressBar_refresh, flag);
             guard.ShowDialog(this);
         }
 
diff --git a/UI/Set/GuardConfig.Designer.cs b/UI/Set/GuardConfig.Designer.cs
index 45ff2b3..62ef467 100644
--- a/UI/Set/GuardConfig.Designer.cs
+++ b/UI/Set/GuardConfig.Designer.cs
@@ -36,6 +36,7 @@ namespace steam_token.UI.Set
             this.button_openfile = new System.Windows.Forms.Button();
             this.label2 = new System.Windows.Forms.Label();
             this.label3 = new System.Windows.Forms.Label();
+            this.button_exit = new System.Windows.Forms.Button();
             this.SuspendLayout();
             // 
             // button_confirm
@@ -100,6 +101,16 @@ namespace steam_token.UI.Set
             this.label3.TabIndex = 5;
             this.label3.Text = "Tips: 手机需root或者能通过备份手段拿到该文件";
             // 
+            // button_exit
+            // 
+            this.button_exit.Location = new System.Drawing.Point(359, 97);
+            this.button_exit.Name = "button_exit";
+            this.button_exit.Size = new System.Drawing.Size(85, 30);
+            this.button_exit.TabIndex = 1;
+            this.button_exit.Text = "退出";
+            this.button_exit.UseVisualStyleBackColor = true;
+            this.button_exit.Click += new System.EventHandler(this.button_exit_Click);
+            // 
             // GuardConfig
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(10F, 21F);
@@ -111,6 +122,7 @@ namespace steam_token.UI.Set
             this.Controls.Add(this.label1);
             this.Controls.Add(this.textBox_shared_secret);
             this.Controls.Add(this.button_openfile);
+            this.Controls.Add(this.button_exit);
             this.Controls.Add(this.button_confirm);
             this.Font = new System.Drawing.Font("微软雅黑", 12F);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
@@ -133,5 +145,6 @@ namespace steam_token.UI.Set
         private System.Windows.Forms.Button button_openfile;
         private System.Windows.Forms.Label label2;
         private System.Windows.Forms.Label label3;
+        private System.Windows.Forms.Button button_exit;
     }
 }
\ No newline at end of file
diff --git a/UI/Set/GuardConfig.cs b/UI/Set/GuardConfig.cs
index 2e477a5..fc507bb 100644
--- a/UI/Set/GuardConfig.cs
+++ b/UI/Set/GuardConfig.cs
@@ -19,11 +19,14 @@ namespace steam_token.UI.Set
     {
         private Label labelGuard;
         private ProgressBar progressBarRefresh;
-        public GuardConfig(Label label_guard, ProgressBar progressBar_refresh)
+        public GuardConfig(Label label_guard, ProgressBar progressBar_refresh, bool flag)
         {
+            InitializeComponent();
+
+            this.button_exit.Visible = flag;
+
             this.labelGuard = label_guard;
             this.progressBarRefresh = progressBar_refresh;
-            InitializeComponent();
             // 先初始化组件 再使用
             Config config = CommonUtil.GetConfig();
             if (null != config && null != config.SteamGuard && !string.IsNullOrEmpty(config.SteamGuard.shared_secret))
@@ -110,5 +113,10 @@ namespace steam_token.UI.Set
                 this.Dispose();
             }
         }
+
+        private void button_exit_Click(object sender, EventArgs e)
+        {
+            Environment.Exit(0);
+        }
     }
 }