diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index d6e6d3ce..4f13a5dc 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 f499f463..883b99e5 100644
Binary files a/Bin/net5.0-windows/SunnyUI.dll and b/Bin/net5.0-windows/SunnyUI.dll differ
diff --git a/Bin/netcoreapp3.1/SunnyUI.dll b/Bin/netcoreapp3.1/SunnyUI.dll
index d1ad0b2c..c0559e5b 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI/Controls/UITextBox.cs b/SunnyUI/Controls/UITextBox.cs
index 0beca324..11acba1a 100644
--- a/SunnyUI/Controls/UITextBox.cs
+++ b/SunnyUI/Controls/UITextBox.cs
@@ -335,7 +335,7 @@ namespace Sunny.UI
         {
             if (!multiline)
             {
-                if (Height != MiniHeight)
+                if (Height < MiniHeight)
                 {
                     Height = MiniHeight;
                 }