diff --git a/src/com/amarsoft/app/util/ProductParamUtil.java b/src/com/amarsoft/app/util/ProductParamUtil.java
index 5a35f265d..cb03b8468 100644
--- a/src/com/amarsoft/app/util/ProductParamUtil.java
+++ b/src/com/amarsoft/app/util/ProductParamUtil.java
@@ -13,6 +13,7 @@ import net.sf.json.JSONArray;
 import net.sf.json.JSONNull;
 import net.sf.json.JSONObject;
 
+import org.apache.commons.lang3.StringUtils;
 import org.dom4j.Document;
 import org.dom4j.Element;
 import org.dom4j.io.OutputFormat;
@@ -273,14 +274,14 @@ public class ProductParamUtil {
 		String pData = boLPI.getAttribute("PRODUCT_DATA").getString();*/
 		String pData = ProductConfig.getProductData(realXmlPath);
 		String type = componentType;
-		if("".equals(pData)){
+		if(StringUtils.isEmpty(pData)){
 		}else{
 			JSONArray jsonArray = JSONArray.fromObject(pData);
 			Iterator<JSONObject> it = jsonArray.iterator();
 			JSONArray docList = null;
 			JSONArray docGroupConfig = null;
 			while(it.hasNext()){
-				JSONObject jo = (JSONObject)it.next().get("jbo.sample.Component");
+				JSONObject jo = it.next().getJSONObject("jbo.sample.Component");
 				if(type.equals(jo.get("TYPE"))){
 					docList = JSONArray.fromObject(jo.get("DecisionTable"));
 				}
@@ -483,13 +484,13 @@ public class ProductParamUtil {
 		String pData = boLPI.getAttribute("PRODUCT_DATA").getString();*/
 		String pData = ProductConfig.getProductData(realXmlPath);
 		String type = componentType;
-		if("".equals(pData)){
+		if(StringUtils.isEmpty(pData)){
 		}else{
 			JSONArray jsonArray = JSONArray.fromObject(pData);
 			Iterator<JSONObject> it = jsonArray.iterator();
 			JSONArray param = null;
 			while(it.hasNext()){
-				JSONObject jo = (JSONObject)it.next().get("jbo.sample.Component");
+				JSONObject jo = it.next().getJSONObject("jbo.sample.Component");
 				if(type.equals(jo.get("TYPE")) && id.equals(jo.get("ID"))){
 					param = JSONArray.fromObject(jo.get("Parameter"));
 				}
@@ -686,12 +687,12 @@ public class ProductParamUtil {
 		//Ç뻶ÁÈ¡»º´æ
 		String pData = ProductConfig.getProductData(realXmlPath);
 		String type = componentType;
-		if("".equals(pData)){
+		if(StringUtils.isEmpty(pData)){
 		}else{
 			JSONArray jsonArray = JSONArray.fromObject(pData);
 			Iterator<JSONObject> it = jsonArray.iterator();
 			while(it.hasNext()){
-				JSONObject jo = (JSONObject)it.next().get("jbo.sample.Component");
+				JSONObject jo = it.next().getJSONObject("jbo.sample.Component");
 				if(type.equals(jo.get("TYPE"))){
 					JSONArray ja = JSONArray.fromObject(jo.get("Parameter"));
 					BusinessObject b = BusinessObject.createBusinessObject("Component");
@@ -724,12 +725,12 @@ public class ProductParamUtil {
 		String pData = boLPI.getAttribute("PRODUCT_DATA").getString();*/
 		String pData = ProductConfig.getProductData(realXmlPath);
 		String type = componentType;
-		if("".equals(pData)){
+		if(StringUtils.isEmpty(pData)){
 		}else{
 			JSONArray jsonArray = JSONArray.fromObject(pData);
 			Iterator<JSONObject> it = jsonArray.iterator();
 			while(it.hasNext()){
-				JSONObject jo = (JSONObject)it.next().get("jbo.sample.Component");
+				JSONObject jo = it.next().getJSONObject("jbo.sample.Component");
 				if(type.equals(jo.get("TYPE"))){
 					JSONArray ja = JSONArray.fromObject(jo.get("DecisionTable"));
 					BusinessObject b = BusinessObject.createBusinessObject("Component");