diff --git a/SunnyUI/Forms/UIFormHelper.cs b/SunnyUI/Forms/UIFormHelper.cs
index fe9d64d2..b2ab8656 100644
--- a/SunnyUI/Forms/UIFormHelper.cs
+++ b/SunnyUI/Forms/UIFormHelper.cs
@@ -26,6 +26,7 @@
  * 2023-07-27: V3.4.1 提问弹窗增加默认是确认或者取消按钮的选择
  * 2024-04-22: V3.6.5 重构，所有弹窗调整为窗体的扩展方法，使用时加上this.
  * 2024-04-22: V3.6.5 输入弹窗前增加Show前缀
+ * 2024-04-27: V3.6.5 提示框增加延时关闭
 ******************************************************************************/
 
 using System;
@@ -125,8 +126,10 @@ namespace Sunny.UI
         /// <param name="style">主题</param>
         /// <param name="showMask">显示遮罩层</param>
         /// <param name="topMost">置顶</param>
+        /// <param name="defaultButton">默认按钮</param>
+        /// <param name="delay">消息停留时长(ms)。默认1秒</param>
         /// <returns>结果</returns>
-        public static bool ShowMessageDialog(string message, string title, bool showCancelButton, UIStyle style, bool showMask = true, bool topMost = true, UIMessageDialogButtons defaultButton = UIMessageDialogButtons.Ok)
+        public static bool ShowMessageDialog(string message, string title, bool showCancelButton, UIStyle style, bool showMask = true, bool topMost = true, UIMessageDialogButtons defaultButton = UIMessageDialogButtons.Ok, int delay = 0)
         {
             Point pt = SystemEx.GetCursorPos();
             Rectangle screen = Screen.GetBounds(pt);
@@ -136,6 +139,7 @@ namespace Sunny.UI
             frm.ShowMessage(message, title, showCancelButton, style);
             frm.ShowInTaskbar = false;
             frm.TopMost = topMost;
+            frm.Delay = delay;
             frm.Render();
 
             if (showMask)
@@ -475,9 +479,9 @@ namespace Sunny.UI
         /// </summary>
         /// <param name="msg">信息</param>
         /// <param name="showMask">显示遮罩层</param>
-        public static void ShowSuccessDialog(this Form form, string msg, bool showMask = false)
+        public static void ShowSuccessDialog(this Form form, string msg, bool showMask = false, int delay = 0)
         {
-            UIMessageBox.ShowMessageDialog(msg, UILocalize.SuccessTitle, false, UIStyle.Green, showMask, true);
+            form.ShowSuccessDialog(UILocalize.SuccessTitle, msg, UIStyle.Green, showMask, delay);
         }
 
         /// <summary>
@@ -487,9 +491,9 @@ namespace Sunny.UI
         /// <param name="msg">信息</param>
         /// <param name="style">主题</param>
         /// <param name="showMask">显示遮罩层</param>
-        public static void ShowSuccessDialog(this Form form, string title, string msg, UIStyle style = UIStyle.Green, bool showMask = false)
+        public static void ShowSuccessDialog(this Form form, string title, string msg, UIStyle style = UIStyle.Green, bool showMask = false, int delay = 0)
         {
-            UIMessageBox.ShowMessageDialog(msg, title, false, style, showMask, true);
+            UIMessageBox.ShowMessageDialog(msg, title, false, style, showMask, true, UIMessageDialogButtons.Ok, delay);
         }
 
         /// <summary>
@@ -497,9 +501,9 @@ namespace Sunny.UI
         /// </summary>
         /// <param name="msg">信息</param>
         /// <param name="showMask">显示遮罩层</param>
-        public static void ShowInfoDialog(this Form form, string msg, bool showMask = false)
+        public static void ShowInfoDialog(this Form form, string msg, bool showMask = false, int delay = 0)
         {
-            UIMessageBox.ShowMessageDialog(msg, UILocalize.InfoTitle, false, UIStyle.Gray, showMask, true);
+            form.ShowInfoDialog(UILocalize.SuccessTitle, msg, UIStyle.Gray, showMask, delay);
         }
 
         /// <summary>
@@ -509,9 +513,9 @@ namespace Sunny.UI
         /// <param name="msg">信息</param>
         /// <param name="style">主题</param>
         /// <param name="showMask">显示遮罩层</param>
-        public static void ShowInfoDialog(this Form form, string title, string msg, UIStyle style = UIStyle.Gray, bool showMask = false)
+        public static void ShowInfoDialog(this Form form, string title, string msg, UIStyle style = UIStyle.Gray, bool showMask = false, int delay = 0)
         {
-            UIMessageBox.ShowMessageDialog(msg, title, false, style, showMask, true);
+            UIMessageBox.ShowMessageDialog(msg, title, false, style, showMask, true, UIMessageDialogButtons.Ok, delay);
         }
 
         /// <summary>
@@ -519,9 +523,9 @@ namespace Sunny.UI
         /// </summary>
         /// <param name="msg">信息</param>
         /// <param name="showMask">显示遮罩层</param>
-        public static void ShowWarningDialog(this Form form, string msg, bool showMask = false)
+        public static void ShowWarningDialog(this Form form, string msg, bool showMask = false, int delay = 0)
         {
-            UIMessageBox.ShowMessageDialog(msg, UILocalize.WarningTitle, false, UIStyle.Orange, showMask, true);
+            form.ShowWarningDialog(UILocalize.SuccessTitle, msg, UIStyle.Orange, showMask, delay);
         }
 
         /// <summary>
@@ -531,9 +535,9 @@ namespace Sunny.UI
         /// <param name="msg">信息</param>
         /// <param name="style">主题</param>
         /// <param name="showMask">显示遮罩层</param>
-        public static void ShowWarningDialog(this Form form, string title, string msg, UIStyle style = UIStyle.Orange, bool showMask = false)
+        public static void ShowWarningDialog(this Form form, string title, string msg, UIStyle style = UIStyle.Orange, bool showMask = false, int delay = 0)
         {
-            UIMessageBox.ShowMessageDialog(msg, title, false, style, showMask, true);
+            UIMessageBox.ShowMessageDialog(msg, title, false, style, showMask, true, UIMessageDialogButtons.Ok, delay);
         }
 
         /// <summary>
@@ -541,9 +545,9 @@ namespace Sunny.UI
         /// </summary>
         /// <param name="msg">信息</param>
         /// <param name="showMask">显示遮罩层</param>
-        public static void ShowErrorDialog(this Form form, string msg, bool showMask = false)
+        public static void ShowErrorDialog(this Form form, string msg, bool showMask = false, int delay = 0)
         {
-            UIMessageBox.ShowMessageDialog(msg, UILocalize.ErrorTitle, false, UIStyle.Red, showMask, true);
+            form.ShowErrorDialog(UILocalize.SuccessTitle, msg, UIStyle.Red, showMask, delay);
         }
 
         /// <summary>
@@ -553,9 +557,9 @@ namespace Sunny.UI
         /// <param name="msg">信息</param>
         /// <param name="style">主题</param>
         /// <param name="showMask">显示遮罩层</param>
-        public static void ShowErrorDialog(this Form form, string title, string msg, UIStyle style = UIStyle.Red, bool showMask = false)
+        public static void ShowErrorDialog(this Form form, string title, string msg, UIStyle style = UIStyle.Red, bool showMask = false, int delay = 0)
         {
-            UIMessageBox.ShowMessageDialog(msg, title, false, style, showMask, true);
+            UIMessageBox.ShowMessageDialog(msg, title, false, style, showMask, true, UIMessageDialogButtons.Ok, delay);
         }
 
         /// <summary>
diff --git a/SunnyUI/Forms/UIMessageForm.Designer.cs b/SunnyUI/Forms/UIMessageForm.Designer.cs
index 2990bc27..bd70dfe7 100644
--- a/SunnyUI/Forms/UIMessageForm.Designer.cs
+++ b/SunnyUI/Forms/UIMessageForm.Designer.cs
@@ -28,9 +28,11 @@
         /// </summary>
         private void InitializeComponent()
         {
+            components = new System.ComponentModel.Container();
             btnCancel = new UIButton();
             btnOK = new UIButton();
             lbMsg = new UIRichTextBox();
+            timer1 = new System.Windows.Forms.Timer(components);
             SuspendLayout();
             // 
             // btnCancel
@@ -78,12 +80,18 @@
             lbMsg.RadiusSides = UICornerRadiusSides.None;
             lbMsg.ReadOnly = true;
             lbMsg.RectSides = System.Windows.Forms.ToolStripStatusLabelBorderSides.None;
+            lbMsg.ScrollBarStyleInherited = false;
             lbMsg.ShowText = false;
             lbMsg.Size = new System.Drawing.Size(422, 158);
             lbMsg.Style = UIStyle.Custom;
             lbMsg.TabIndex = 7;
             lbMsg.TextAlignment = System.Drawing.ContentAlignment.MiddleCenter;
             // 
+            // timer1
+            // 
+            timer1.Interval = 1000;
+            timer1.Tick += timer1_Tick;
+            // 
             // UIMessageForm
             // 
             AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
@@ -108,5 +116,6 @@
         private UIButton btnCancel;
         private UIButton btnOK;
         private UIRichTextBox lbMsg;
+        private System.Windows.Forms.Timer timer1;
     }
 }
\ No newline at end of file
diff --git a/SunnyUI/Forms/UIMessageForm.cs b/SunnyUI/Forms/UIMessageForm.cs
index 447edf52..633f8fd7 100644
--- a/SunnyUI/Forms/UIMessageForm.cs
+++ b/SunnyUI/Forms/UIMessageForm.cs
@@ -183,6 +183,34 @@ namespace Sunny.UI
                 else
                     btnCancel.Focus();
             }
+
+            if (delay <= 0) return;
+            if (text == "") text = Text;
+            Text = text + " [" + delay + "]";
+        }
+
+        int delay = 0;
+
+        public int Delay
+        {
+            set
+            {
+                if (value > 0)
+                {
+                    delay = value / 1000;
+                    timer1.Start();
+                }
+            }
+        }
+
+        string text = "";
+
+        private void timer1_Tick(object sender, EventArgs e)
+        {
+            delay--;
+            Text = text + " [" + delay + "]";
+
+            if (delay <= 0) Close();
         }
     }
 }
\ No newline at end of file
diff --git a/SunnyUI/Forms/UIMessageForm.resx b/SunnyUI/Forms/UIMessageForm.resx
index af32865e..80e1e44e 100644
--- a/SunnyUI/Forms/UIMessageForm.resx
+++ b/SunnyUI/Forms/UIMessageForm.resx
@@ -117,4 +117,7 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="timer1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
 </root>
\ No newline at end of file