diff --git a/problems/0151.翻转字符串里的单词.md b/problems/0151.翻转字符串里的单词.md
index bf486bdc..9a0cbea4 100644
--- a/problems/0151.翻转字符串里的单词.md
+++ b/problems/0151.翻转字符串里的单词.md
@@ -440,11 +440,10 @@ class Solution {
 ```Python
 class Solution:
     def reverseWords(self, s: str) -> str:
-        # 删除前后空白
-        s = s.strip()
         # 反转整个字符串
         s = s[::-1]
         # 将字符串拆分为单词，并反转每个单词
+        # split()函数能够自动忽略多余的空白字符
         s = ' '.join(word[::-1] for word in s.split())
         return s
 
@@ -1029,3 +1028,4 @@ public string ReverseWords(string s) {
 <a href="https://programmercarl.com/other/kstar.html" target="_blank">
   <img src="../pics/网站星球宣传海报.jpg" width="1000"/>
 </a>
+