diff --git a/designer-base/src/main/java/com/fr/design/gui/itextfield/UIPositiveAndNegativeIntNumberField.java b/designer-base/src/main/java/com/fr/design/gui/itextfield/UIPositiveAndNegativeIntNumberField.java
deleted file mode 100644
index 6f903d5cb7..0000000000
--- a/designer-base/src/main/java/com/fr/design/gui/itextfield/UIPositiveAndNegativeIntNumberField.java
+++ /dev/null
@@ -1,76 +0,0 @@
-package com.fr.design.gui.itextfield;
-
-import javax.swing.text.AttributeSet;
-import javax.swing.text.BadLocationException;
-import javax.swing.text.PlainDocument;
-import java.awt.Toolkit;
-
-public class UIPositiveAndNegativeIntNumberField extends UINumberField {
-    private static final long serialVersionUID = 4946379346015964509L;
-
-    public void setFieldDocument() {
-        setDocument(createNumberDocument());
-    }
-
-    public class NumberDocument extends PlainDocument {
-        private static final long serialVersionUID = 1024213269275179172L;
-
-        public NumberDocument() {
-        }
-
-        public boolean checkString(int offset, String s, String str) {
-            String strNew = str.substring(0, offset) + s + str.substring(offset, getLength());
-            return isMinusSignOnly(strNew) || (isIntNumber(strNew) && isInputIllegalNumber(strNew) && !isOverMaxOrMinValue(strNew));
-
-        }
-
-        public void insertString(int offset, String s, AttributeSet a) throws BadLocationException {
-            String str = getText(0, getLength());
-            if (!checkString(offset, s, str)) {
-                Toolkit.getDefaultToolkit().beep();
-                return;
-            }
-
-            setisContentChanged(true);
-            super.insertString(offset, s, a);
-        }
-
-        private boolean isMinusSignOnly(String s) {
-            return s.contains("-") && s.length() == 1;
-        }
-
-        /**
-         * 输入字符是否是不合法数字
-         * @param s 输入的字符串
-         * @return 是否不合法
-         */
-        private boolean isInputIllegalNumber(String s) {
-            try {
-                Integer.parseInt(s);
-            } catch (Exception e) {
-                return false;
-            }
-            return true;
-        }
-
-        private boolean isIntNumber(String s) {
-            boolean result = true;
-            for (int i = 0; i < s.length(); i++) {
-                String ch = s.charAt(i) + "";
-                if (!ch.matches("^[0-9\\-]+$")) {
-                    result = false;
-                }
-            }
-            return result;
-        }
-
-        private boolean isOverMaxOrMinValue(String s) {
-            int value = Integer.parseInt(s);
-            return  (value < getMinValue() || value > getMaxValue());
-        }
-    }
-
-    public NumberDocument createNumberDocument() {
-        return new NumberDocument();
-    }
-}
diff --git a/designer-form/src/main/java/com/fr/design/mainframe/widget/ui/FormMultiWidgetCardPane.java b/designer-form/src/main/java/com/fr/design/mainframe/widget/ui/FormMultiWidgetCardPane.java
index b053ea6337..a49d719d26 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/widget/ui/FormMultiWidgetCardPane.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/widget/ui/FormMultiWidgetCardPane.java
@@ -4,7 +4,7 @@ import com.fr.design.designer.beans.events.DesignerEvent;
 import com.fr.design.gui.frpane.AttributeChangeListener;
 import com.fr.design.gui.ibutton.UIButton;
 import com.fr.design.gui.ilable.UILabel;
-import com.fr.design.gui.itextfield.UIPositiveAndNegativeIntNumberField;
+import com.fr.design.gui.itextfield.UINumberField;
 import com.fr.design.gui.itextfield.UITextField;
 import com.fr.design.i18n.Toolkit;
 import com.fr.design.layout.TableLayout;
@@ -157,31 +157,34 @@ public class FormMultiWidgetCardPane extends FormWidgetCardPane {
         return createTitleLayout(Toolkit.i18nText("Fine-Design_Multi_Selection_Manual_Spacing"), centerPane);
     }
 
-    private UIPositiveAndNegativeIntNumberField createIntNumberField(boolean isVertical) {
-        final UIPositiveAndNegativeIntNumberField intNumberField = new UIPositiveAndNegativeIntNumberField();
-        intNumberField.addFocusListener(new FocusAdapter() {
+    private UINumberField createIntNumberField(boolean isVertical) {
+        final UINumberField numberField = new UINumberField();
+        numberField.addFocusListener(new FocusAdapter() {
             @Override
             public void focusLost(FocusEvent e) {
-                distributionDoChange(intNumberField.getText(), isVertical);
+                distributionDoChange(numberField, isVertical);
             }
         });
-        intNumberField.addKeyListener(new KeyAdapter() {
+        numberField.addKeyListener(new KeyAdapter() {
             @Override
             public void keyPressed(KeyEvent e) {
                 if (e.getKeyCode() == KeyEvent.VK_ENTER) {
-                    distributionDoChange(intNumberField.getText(), isVertical);
+                    distributionDoChange(numberField, isVertical);
                 }
             }
         });
-        return intNumberField;
+        return numberField;
     }
 
-    private void distributionDoChange(String text, boolean isVertical) {
+    private void distributionDoChange(UINumberField numberField, boolean isVertical) {
+        String text = numberField.getText();
         if (StringUtils.isNotEmpty(text) && StableUtils.isNumber(text)) {
+            int gap = (int) Math.floor(Float.parseFloat(text));
+            numberField.setValue(gap);
             if (isVertical) {
-                arrangement.verticalManualDistribution(Math.round(Float.parseFloat(text)));
+                arrangement.verticalManualDistribution(gap);
             } else {
-                arrangement.horizontalManualDistribution(Math.round(Float.parseFloat(text)));
+                arrangement.horizontalManualDistribution(gap);
             }
             attributeChanged();
         }