diff --git a/cookbook/c08/p25_cached_objects.py b/cookbook/c08/p25_cached_objects.py
index 1ccc7ef..17ee451 100644
--- a/cookbook/c08/p25_cached_objects.py
+++ b/cookbook/c08/p25_cached_objects.py
@@ -2,7 +2,7 @@
 # -*- encoding: utf-8 -*-
 """
 Topic: 创建缓存实例
-Desc : 
+Desc :
 """
 
 import logging
@@ -78,8 +78,8 @@ class Spam2:
     def __init__(self, name):
         self.name = name
 
-    def get_spam(name):
-        return Spam2.manager.get_spam(name)
+def get_spam(name):
+    return Spam2.manager.get_spam(name)
 
 
 # ------------------------最后的修正方案------------------------
@@ -114,4 +114,4 @@ print('------------------------------')
 cachedSpamManager = CachedSpamManager2()
 s = cachedSpamManager.get_spam('Dave')
 t = cachedSpamManager.get_spam('Dave')
-print(s is t)
\ No newline at end of file
+print(s is t)
diff --git a/source/c08/p25_creating_cached_instances.rst b/source/c08/p25_creating_cached_instances.rst
index 6175c6f..6af8ba8 100644
--- a/source/c08/p25_creating_cached_instances.rst
+++ b/source/c08/p25_creating_cached_instances.rst
@@ -147,8 +147,8 @@
         def __init__(self, name):
             self.name = name
 
-        def get_spam(name):
-            return Spam.manager.get_spam(name)
+    def get_spam(name):
+        return Spam.manager.get_spam(name)
 
 这样的话代码更清晰，并且也更灵活，我们可以增加更多的缓存管理机制，只需要替代manager即可。