diff --git a/Bin/net40/SunnyUI.Demo.exe b/Bin/net40/SunnyUI.Demo.exe
index bf02be3d..5bba3e9d 100644
Binary files a/Bin/net40/SunnyUI.Demo.exe and b/Bin/net40/SunnyUI.Demo.exe differ
diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index 8a791ce1..b37c8b16 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/SunnyUI.dll b/Bin/net5.0-windows/SunnyUI.dll
index 966151e4..22f465b1 100644
Binary files a/Bin/net5.0-windows/SunnyUI.dll and b/Bin/net5.0-windows/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/ref/SunnyUI.dll b/Bin/net5.0-windows/ref/SunnyUI.dll
index 53825b89..a0ee880f 100644
Binary files a/Bin/net5.0-windows/ref/SunnyUI.dll and b/Bin/net5.0-windows/ref/SunnyUI.dll differ
diff --git a/Bin/netcoreapp3.1/SunnyUI.dll b/Bin/netcoreapp3.1/SunnyUI.dll
index 61c4cf0a..2feb0dcf 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI.Demo/Forms/FLogin.cs b/SunnyUI.Demo/Forms/FLogin.cs
index 61a6abf7..df0f37ef 100644
--- a/SunnyUI.Demo/Forms/FLogin.cs
+++ b/SunnyUI.Demo/Forms/FLogin.cs
@@ -9,12 +9,17 @@
 
         private void FLogin_ButtonLoginClick(object sender, System.EventArgs e)
         {
-            this.ShowInfoTip("DSFSDF");
-            // if (UserName == "admin" && Password == "admin")
-            // {
-            //     IsLogin = true;
-            //     Close();
-            // }
+            //UserName就是封装了界面里用户名输入框的值
+            //Password就是封装了界面里密码输入框的值
+            if (UserName == "admin" && Password == "admin")
+            {
+                IsLogin = true;
+                Close();
+            }
+            else
+            {
+                ShowErrorTip("用户名或者密码错误。");
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/SunnyUI.Demo/SunnyUI.Demo.csproj b/SunnyUI.Demo/SunnyUI.Demo.csproj
index 0627fc89..cd495091 100644
--- a/SunnyUI.Demo/SunnyUI.Demo.csproj
+++ b/SunnyUI.Demo/SunnyUI.Demo.csproj
@@ -25,7 +25,7 @@
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
     <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
+    <Optimize>false</Optimize>
     <OutputPath>..\Bin\net40\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
diff --git a/SunnyUI/SunnyUI.csproj b/SunnyUI/SunnyUI.csproj
index 706fd982..47bf6f49 100644
--- a/SunnyUI/SunnyUI.csproj
+++ b/SunnyUI/SunnyUI.csproj
@@ -30,6 +30,10 @@
 		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 		<DocumentationFile></DocumentationFile>
 	</PropertyGroup>
+
+	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net5.0-windows|AnyCPU'">
+	  <Optimize>false</Optimize>
+	</PropertyGroup>
  
   <ItemGroup>
 	<None Remove="Font\ElegantIcons.ttf" />