diff --git a/src/main/java/cokr/xit/foundation/AbstractComponent.java b/src/main/java/cokr/xit/foundation/AbstractComponent.java
index 25af1e4..2d04fd9 100644
--- a/src/main/java/cokr/xit/foundation/AbstractComponent.java
+++ b/src/main/java/cokr/xit/foundation/AbstractComponent.java
@@ -1,5 +1,6 @@
 package cokr.xit.foundation;
 
+import java.util.Date;
 import java.util.function.Supplier;
 
 import javax.annotation.Resource;
@@ -202,6 +203,15 @@ public class AbstractComponent {
 		return isEmpty(logName) ? log(getClass()) : Log.get(logName);
 	}
 
+	/**주어진 Date에 지정한 날짜수만큼의 차이의 Date를 반환한다.
+	 * @param date 날짜
+	 * @param days 날짜수
+	 * @return 새 Date
+	 */
+	protected static Date dateDiff(Date date, int days) {
+		return new Date(date.getTime() + (1000L * 60L * 60L * 24L * days));
+	}
+
 	/**현재 객체를 반환한다.
 	 * @param <T> AbstractComponent 유형
 	 * @return 현재 객체
diff --git a/src/main/java/cokr/xit/foundation/web/AbstractController.java b/src/main/java/cokr/xit/foundation/web/AbstractController.java
index 6b6d49d..ec025d1 100644
--- a/src/main/java/cokr/xit/foundation/web/AbstractController.java
+++ b/src/main/java/cokr/xit/foundation/web/AbstractController.java
@@ -142,7 +142,6 @@ public abstract class AbstractController extends AbstractComponent {
 	 * @return ModelAndView
 	 */
 	protected ModelAndView setCollectionInfo(ModelAndView mav, Collection<?> collection, String prefixKey, String prefix) {
-		boolean toJson = !"jsonView".equals(mav.getViewName());
 		mav.addObject(prefixKey, prefix)
 		   .addObject(prefix + "List", collection)
 		   .addObject(prefix + "Start", 0)