diff --git a/designer_base/src/com/fr/design/formula/AbstractFunctionGroup.java b/designer_base/src/com/fr/design/formula/AbstractFunctionGroup.java
new file mode 100644
index 000000000..c8a80f809
--- /dev/null
+++ b/designer_base/src/com/fr/design/formula/AbstractFunctionGroup.java
@@ -0,0 +1,30 @@
+package com.fr.design.formula;
+
+import com.fr.stable.fun.mark.API;
+import com.fr.stable.script.FunctionDef;
+
+@API(level = FunctionGroupDefineProvider.CURRENT_LEVEL)
+public abstract class AbstractFunctionGroup implements FunctionGroupDefineProvider {
+	
+	@Override
+	public int currentAPILevel() {
+		return CURRENT_LEVEL;
+	}
+	
+	@Override
+	public String mark4Provider() {
+		return getClass().getName();
+	}
+	
+	@Override
+	public NameAndDescription[] getDescriptions() {
+		FunctionDef[] funcs = getFunctionDefs();
+		int count = funcs.length;
+        FunctionDefNAD[] nads = new FunctionDefNAD[count];
+        for (int i = 0; i < count; i ++) {
+            nads[i] = new FunctionDefNAD(funcs[i]);
+        }
+        return nads;
+	}
+	
+}
diff --git a/designer_base/src/com/fr/design/formula/FormulaPane.java b/designer_base/src/com/fr/design/formula/FormulaPane.java
index d7e3f21be..d2910fa96 100644
--- a/designer_base/src/com/fr/design/formula/FormulaPane.java
+++ b/designer_base/src/com/fr/design/formula/FormulaPane.java
@@ -22,8 +22,10 @@ import com.fr.design.utils.gui.GUICoreUtils;
 import com.fr.general.Inter;
 import com.fr.parser.FRLexer;
 import com.fr.parser.FRParser;
+import com.fr.plugin.ExtraClassManager;
 import com.fr.stable.ProductConstants;
 import com.fr.stable.StringUtils;
+import com.fr.stable.fun.mark.Mutable;
 import com.fr.stable.script.Expression;
 
 import javax.swing.*;
@@ -32,10 +34,12 @@ import javax.swing.event.ListSelectionListener;
 import javax.swing.event.TreeSelectionEvent;
 import javax.swing.event.TreeSelectionListener;
 import javax.swing.tree.*;
+
 import java.awt.*;
 import java.awt.event.*;
 import java.io.*;
 import java.util.Locale;
+import java.util.Set;
 /**
  * 公式编辑面板
  * @editor zhou
@@ -581,7 +585,13 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula{
             functionTypeListModel.addElement(FunctionConstants.ALL);
             functionTypeListModel.addElement(FunctionConstants.CUSTOM);
             functionTypeListModel.addElement(FunctionConstants.PLUGIN);
-
+            //hugh:自定义函数分组
+            Set<Mutable> groups = ExtraClassManager.getInstance().getArray(FunctionGroupDefineProvider.MARK_STRING);
+            if(!groups.isEmpty()){
+            	for(Mutable group : groups){
+            		functionTypeListModel.addElement(group);
+            	}
+            }
             functionTypeList.addListSelectionListener(new ListSelectionListener() {
 
                 public void valueChanged(ListSelectionEvent evt) {
diff --git a/designer_base/src/com/fr/design/formula/FunctionConstants.java b/designer_base/src/com/fr/design/formula/FunctionConstants.java
index cfb983dd7..d33ad58e8 100644
--- a/designer_base/src/com/fr/design/formula/FunctionConstants.java
+++ b/designer_base/src/com/fr/design/formula/FunctionConstants.java
@@ -11,6 +11,8 @@ import com.fr.stable.EncodeConstants;
 import com.fr.stable.OperatingSystem;
 import com.fr.stable.StableUtils;
 import com.fr.stable.StringUtils;
+import com.fr.stable.fun.FunctionGroupDefineProvider;
+import com.fr.stable.fun.mark.Mutable;
 import com.fr.stable.script.Function;
 import com.fr.stable.script.FunctionDef;
 
@@ -96,7 +98,13 @@ public abstract class FunctionConstants {
 			}
             Collections.addAll(all, PLUGIN.getDescriptions());
             Collections.addAll(all, CUSTOM.getDescriptions());
-			
+            //hugh:自定义函数分组
+            Set<Mutable> groups = ExtraClassManager.getInstance().getArray(FunctionGroupDefineProvider.MARK_STRING);
+            if(!groups.isEmpty()){
+            	for(Mutable group : groups){
+            		Collections.addAll(all, ((FunctionGroup)group).getDescriptions());
+            	}
+            }
 			java.util.Collections.sort(all, NameAndDescriptionComparator);
 			
 			return all.toArray(new NameAndDescription[all.size()]);
diff --git a/designer_base/src/com/fr/design/formula/FunctionGroupDefineProvider.java b/designer_base/src/com/fr/design/formula/FunctionGroupDefineProvider.java
new file mode 100644
index 000000000..671a07fc7
--- /dev/null
+++ b/designer_base/src/com/fr/design/formula/FunctionGroupDefineProvider.java
@@ -0,0 +1,12 @@
+package com.fr.design.formula;
+
+import com.fr.design.formula.FunctionGroup;
+import com.fr.stable.fun.mark.Mutable;
+import com.fr.stable.script.FunctionDef;
+
+public interface FunctionGroupDefineProvider extends Mutable,FunctionGroup{
+	int CURRENT_LEVEL = 1;
+	String MARK_STRING = "FunctionGroupDefineProvider";
+	
+	public FunctionDef[] getFunctionDefs();
+}