diff --git a/problems/0203.移除链表元素.md b/problems/0203.移除链表元素.md
index 7e3955a5..b52f16ea 100644
--- a/problems/0203.移除链表元素.md
+++ b/problems/0203.移除链表元素.md
@@ -316,8 +316,8 @@ class Solution:
     def removeElements(self, head: ListNode, val: int) -> ListNode:
         dummy_head = ListNode(next=head) #添加一个虚拟节点
         cur = dummy_head
-        while(cur.next!=None):
-            if(cur.next.val == val):
+        while cur.next:
+            if cur.next.val == val:
                 cur.next = cur.next.next #删除cur.next节点
             else:
                 cur = cur.next