diff --git a/Bin/net40/SunnyUI.Demo.exe b/Bin/net40/SunnyUI.Demo.exe
index cf531e54..cf9dc29e 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 f1db8f74..12454406 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/SunnyUI/Controls/UIDoubleUpDown.cs b/SunnyUI/Controls/UIDoubleUpDown.cs
index 04a77dcb..92c28b9f 100644
--- a/SunnyUI/Controls/UIDoubleUpDown.cs
+++ b/SunnyUI/Controls/UIDoubleUpDown.cs
@@ -123,9 +123,27 @@ namespace Sunny.UI
             }
         }
 
-        [DefaultValue(1)]
+        private int decLength = 1;
+
+        [DefaultValue(1), Browsable(false)]
         [Description("小数位数"), Category("SunnyUI")]
-        public int Decimal { get; set; } = 1;
+        public int Decimal
+        {
+            get => decLength;
+            set
+            {
+                decLength = Math.Max(value, 0);
+                pnlValue.Text = _value.ToString("F" + decLength);
+            }
+        }
+
+        [Description("显示文字小数位数"), Category("SunnyUI")]
+        [DefaultValue(1)]
+        public int DecimalPlaces
+        {
+            get => Decimal;
+            set => Decimal = value;
+        }
 
         private double step = 0.1;
 
diff --git a/SunnyUI/Controls/UITextBox.cs b/SunnyUI/Controls/UITextBox.cs
index 466921fe..7b12c9fb 100644
--- a/SunnyUI/Controls/UITextBox.cs
+++ b/SunnyUI/Controls/UITextBox.cs
@@ -707,12 +707,21 @@ namespace Sunny.UI
         /// </summary>
         [Description("当InputType为数字类型时，小数位数。")]
         [DefaultValue(2), Category("SunnyUI")]
+        [Browsable(false)]
         public int DecLength
         {
             get => edit.DecLength;
             set => edit.DecLength = Math.Max(value, 0);
         }
 
+        [Description("浮点数，显示文字小数位数"), Category("SunnyUI")]
+        [DefaultValue(2)]
+        public int DecimalPlaces
+        {
+            get => DecLength;
+            set => DecLength = value;
+        }
+
         [DefaultValue(false)]
         [Description("整形或浮点输入时，是否可空显示"), Category("SunnyUI")]
         public bool CanEmpty