diff --git a/designer-base/src/main/java/com/fr/design/gui/itextfield/UIIntNumberField.java b/designer-base/src/main/java/com/fr/design/gui/itextfield/UIIntNumberField.java
index 37b1e74e4a..862eedaff0 100644
--- a/designer-base/src/main/java/com/fr/design/gui/itextfield/UIIntNumberField.java
+++ b/designer-base/src/main/java/com/fr/design/gui/itextfield/UIIntNumberField.java
@@ -12,6 +12,7 @@ import java.awt.Toolkit;
  * Date: 13-3-29
  * Time: 下午12:02
  * To change this template use File | Settings | File Templates.
+ * fanglei: 这个类名字虽然叫整数输入框，但是里面的业务仅支持输入正整数，由于被引用的地方太多无法更改，知道就行
  */
 public class UIIntNumberField extends UINumberField {
     public void setFieldDocument() {
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
new file mode 100644
index 0000000000..6f903d5cb7
--- /dev/null
+++ b/designer-base/src/main/java/com/fr/design/gui/itextfield/UIPositiveAndNegativeIntNumberField.java
@@ -0,0 +1,76 @@
+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 c1dda9cc95..fa9a9bd0bc 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
@@ -2,7 +2,7 @@ package com.fr.design.mainframe.widget.ui;
 
 import com.fr.design.gui.ibutton.UIButton;
 import com.fr.design.gui.ilable.UILabel;
-import com.fr.design.gui.itextfield.UIIntNumberField;
+import com.fr.design.gui.itextfield.UIPositiveAndNegativeIntNumberField;
 import com.fr.design.gui.itextfield.UITextField;
 import com.fr.design.i18n.Toolkit;
 import com.fr.design.layout.TableLayout;
@@ -129,14 +129,14 @@ public class FormMultiWidgetCardPane extends FormWidgetCardPane {
                 TableLayout.PREFERRED,
                 TableLayout.FILL
         };
-        UITextField horizontalSpacingNumberField = new UIIntNumberField();
+        UITextField horizontalSpacingNumberField = new UIPositiveAndNegativeIntNumberField();
         horizontalSpacingNumberField.addFocusListener(new FocusAdapter() {
             @Override
             public void focusLost(FocusEvent e) {
                 distributionDoChange(horizontalSpacingNumberField.getText(), false);
             }
         });
-        UITextField verticalSpacingNumberField = new UIIntNumberField();
+        UITextField verticalSpacingNumberField = new UIPositiveAndNegativeIntNumberField();
         verticalSpacingNumberField.addFocusListener(new FocusAdapter() {
             @Override
             public void focusLost(FocusEvent e) {