diff --git a/src/class05/Code04_DoubleLinkedListQuickSort.java b/src/class05/Code04_DoubleLinkedListQuickSort.java
index 5a84484..a3014dc 100644
--- a/src/class05/Code04_DoubleLinkedListQuickSort.java
+++ b/src/class05/Code04_DoubleLinkedListQuickSort.java
@@ -174,14 +174,9 @@ public class Code04_DoubleLinkedListQuickSort {
 					rt = L;
 				}
 			} else {
-				if (eh == null) {
-					eh = L;
-					et = L;
-				} else {
-					et.next = L;
-					L.last = et;
-					et = L;
-				}
+				et.next = L;
+				L.last = et;
+				et = L;
 			}
 			L = tmp;
 		}