diff --git a/SunnyUI/Forms/UIForm2.cs b/SunnyUI/Forms/UIForm2.cs
index 16136c63..83d8c492 100644
--- a/SunnyUI/Forms/UIForm2.cs
+++ b/SunnyUI/Forms/UIForm2.cs
@@ -665,32 +665,7 @@ namespace Sunny.UI
                 if (InMaxBox)
                 {
                     InMaxBox = false;
-                    if (!showFullScreen)
-                    {
-                        if (WindowState == FormWindowState.Maximized)
-                        {
-                            WindowState = FormWindowState.Normal;
-                            if (Location.Y < 0) Location = new Point(Location.X, 0);
-                        }
-                        else
-                        {
-                            WindowState = FormWindowState.Maximized;
-                        }
-                    }
-                    else
-                    {
-                        if (WindowState == FormWindowState.Maximized)
-                        {
-                            FormBorderStyle = FormBorderStyle.Sizable;
-                            WindowState = FormWindowState.Normal;
-                            if (Location.Y < 0) Location = new Point(Location.X, 0);
-                        }
-                        else
-                        {
-                            FormBorderStyle = FormBorderStyle.None;
-                            WindowState = FormWindowState.Maximized;
-                        }
-                    }
+                    ShowMaxOrNormal();
                 }
 
                 if (InExtendBox)
@@ -708,7 +683,36 @@ namespace Sunny.UI
             }
         }
 
-        private DateTime lastMouseDownTime;
+        private void ShowMaxOrNormal()
+        {
+            if (!showFullScreen)
+            {
+                if (WindowState == FormWindowState.Maximized)
+                {
+                    WindowState = FormWindowState.Normal;
+                    if (Location.Y < 0) Location = new Point(Location.X, 0);
+                }
+                else
+                {
+                    WindowState = FormWindowState.Maximized;
+                }
+            }
+            else
+            {
+                if (WindowState == FormWindowState.Maximized)
+                {
+                    FormBorderStyle = FormBorderStyle.Sizable;
+                    WindowState = FormWindowState.Normal;
+                    if (Location.Y < 0) Location = new Point(Location.X, 0);
+                }
+                else
+                {
+                    FormBorderStyle = FormBorderStyle.None;
+                    WindowState = FormWindowState.Maximized;
+                }
+            }
+        }
+
         /// <summary>
         /// 重载鼠标按下事件
         /// </summary>
@@ -723,15 +727,15 @@ namespace Sunny.UI
             if (e.X > ControlBoxLeft) return;
             if (!Movable) return;
 
-            if (DateTime.Now - lastMouseDownTime <= TimeSpan.FromMilliseconds(500))
+            if (e.Clicks == 1)
             {
-                lastMouseDownTime = DateTime.Now;
-                return;
+                Win32.User.ReleaseCapture();
+                Win32.User.SendMessage(this.Handle, Win32.User.WM_SYSCOMMAND, Win32.User.SC_MOVE + Win32.User.HTCAPTION, 0);
+            }
+            else
+            {
+                ShowMaxOrNormal();
             }
-
-            lastMouseDownTime = DateTime.Now;
-            Win32.User.ReleaseCapture();
-            Win32.User.SendMessage(this.Handle, Win32.User.WM_SYSCOMMAND, Win32.User.SC_MOVE + Win32.User.HTCAPTION, 0);
         }
 
         /// <summary>
diff --git a/SunnyUI/SunnyUI.csproj b/SunnyUI/SunnyUI.csproj
index da8c1b9e..21dcdc86 100644
--- a/SunnyUI/SunnyUI.csproj
+++ b/SunnyUI/SunnyUI.csproj
@@ -9,7 +9,7 @@
         <Description>SunnyUI.Net 是基于.Net Framework 4.0~4.8、.Net6、.Net7 框架的 C# WinForm 开源控件库、工具类库、扩展类库、多页面开发框架。</Description>
         <Copyright>CopyRight © SunnyUI.Net 2012-2023</Copyright>
         <PackageLicenseExpression>GPL-3.0-only</PackageLicenseExpression>
-        <Version>3.6.3.0</Version>
+        <Version>3.6.5.0</Version>
         <Authors>ShenYonghua</Authors>
         <Company>SunnyUI.Net</Company>
         <PackageId>SunnyUI</PackageId>
@@ -20,7 +20,7 @@
         <SignAssembly>False</SignAssembly>
         <AssemblyOriginatorKeyFile>D:\MyDocuments\Key\SunnyUI.pfx</AssemblyOriginatorKeyFile>
         <DelaySign>False</DelaySign>
-        <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
+        <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
         <GenerateDocumentationFile>False</GenerateDocumentationFile>
 		<PackageReadmeFile>README.md</PackageReadmeFile>
     </PropertyGroup>
@@ -81,7 +81,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="SunnyUI.Common" Version="3.6.3" />
+      <PackageReference Include="SunnyUI.Common" Version="3.6.5" />
     </ItemGroup>
 
     <ItemGroup>