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 a174d550..c76ff0e1 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
@@ -359,10 +359,10 @@ class Solution:
             return None
 
 #4.翻转字符串里的单词
-        def reverseWords(self, s): #测试用例："the sky is blue
-            l = self.trim_spaces(s)                     #输出："the sky is blue"
-            self.reverse_string( l,  0, len(l) - 1)  #输出："blue is sky the"
-            self.reverse_each_word(l)              #输出："blue is sky the"
+        def reverseWords(self, s): #测试用例："the sky is blue"
+            l = self.trim_spaces(s)                     #输出：['t', 'h', 'e', ' ', 's', 'k', 'y', ' ', 'i', 's', ' ', 'b', 'l', 'u', 'e'
+            self.reverse_string( l,  0, len(l) - 1)   #输出：['e', 'u', 'l', 'b', ' ', 's', 'i', ' ', 'y', 'k', 's', ' ', 'e', 'h', 't']
+            self.reverse_each_word(l)               #输出：['b', 'l', 'u', 'e', ' ', 'i', 's', ' ', 's', 'k', 'y', ' ', 't', 'h', 'e']
             return ''.join(l)                                 #输出：blue is sky the