diff --git a/problems/0707.设计链表.md b/problems/0707.设计链表.md
index a247b178..743c1d7f 100644
--- a/problems/0707.设计链表.md
+++ b/problems/0707.设计链表.md
@@ -380,10 +380,7 @@ class MyLinkedList {
             return;
         }
         size--;
-        if (index == 0) {
-            head = head.next;
-	    return;
-        }
+        //因为有虚拟头节点，所以不用对Index=0的情况进行特殊处理
         ListNode pred = head;
         for (int i = 0; i < index ; i++) {
             pred = pred.next;