diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml
index 433afce9..e09deb85 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml
@@ -15,13 +15,7 @@
                 <hc:NumericUpDown hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource NumericUpDownExtend}"/>
                 <hc:NumericUpDown hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource NumericUpDownExtend}"/>
                 <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" Margin="0,32,0,0"/>
-                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
-                <hc:NumericUpDown Margin="0,32,0,0" 
-                                  hc:InfoElement.TitlePlacement="Left"
-                                  hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}"
-                                  Style="{StaticResource NumericUpDownExtend}"
-                                  Value="1024"
-                                  StringFormat="N2" />
+                <hc:NumericUpDown ValueFormat="N2" Maximum="100000" Value="10000" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:NumericUpDown Name="NumericUpDownCustomVerify" ShowClearButton="True" Style="{StaticResource NumericUpDownPlus}"/>
diff --git a/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs b/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs
index d2e4dbd4..cc544656 100644
--- a/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs
@@ -153,21 +153,11 @@ namespace HandyControl.Controls
             }
         }
 
-        private string CurrentText
-        {
-            get
-            {
-                if (string.IsNullOrWhiteSpace(StringFormat))
-                {
-                    return DecimalPlaces.HasValue ? Value.ToString($"#0.{new string('0', DecimalPlaces.Value)}") : 
-                                                    Value.ToString("#0");
-                }
-                else
-                {
-                    return Value.ToString(StringFormat);
-                }
-            }
-        }
+        private string CurrentText => string.IsNullOrWhiteSpace(ValueFormat)
+            ? DecimalPlaces.HasValue
+                ? Value.ToString($"#0.{new string('0', DecimalPlaces.Value)}")
+                : Value.ToString("#0")
+            : Value.ToString(ValueFormat);
 
         protected virtual void OnValueChanged(FunctionEventArgs<double> e) => RaiseEvent(e);
 
@@ -333,16 +323,16 @@ namespace HandyControl.Controls
         /// <summary>
         ///     指示要显示的数字的格式
         /// </summary>
-        public static readonly DependencyProperty StringFormatProperty =
-            DependencyProperty.Register("StringFormat", typeof(string), typeof(NumericUpDown), new PropertyMetadata(default(string)));
+        public static readonly DependencyProperty ValueFormatProperty = DependencyProperty.Register(
+            "ValueFormat", typeof(string), typeof(NumericUpDown), new PropertyMetadata(default(string)));
 
         /// <summary>
         ///     指示要显示的数字的格式，这将会覆盖 <see cref="DecimalPlaces"/> 属性
         /// </summary>
-        public string StringFormat
+        public string ValueFormat
         {
-            get { return (string)GetValue(StringFormatProperty); }
-            set { SetValue(StringFormatProperty, value); }
+            get => (string) GetValue(ValueFormatProperty);
+            set => SetValue(ValueFormatProperty, value);
         }
 
         /// <summary>