diff --git a/README.md b/README.md
index f52b5ee..f5c1b1a 100644
--- a/README.md
+++ b/README.md
@@ -23,4 +23,4 @@
 ### python_decorator.py: Python进阶: 通过实例详解装饰器（附代码）
 ===============================================================================
 
-### 您可以fork该项目,并在修改后提交Pull request
+
diff --git a/python_base.py b/python_base.py
index d4fb689..3278cf8 100644
--- a/python_base.py
+++ b/python_base.py
@@ -1313,3 +1313,5 @@ def __getitem__(self, item):                       # 主要技巧在该函数
     lists[1].append(6)                                     # 结果为[[3], [6], []]
     lists[2].append(9)                                     # 结果为[[3], [6], [9]]
     lists = [[[] for j in range(4)] for i in range(3)]     # 3行4列，且每一个元素为[]
+
+