diff --git a/Article/codeSpecification/codeSpecification_first.md b/Article/codeSpecification/codeSpecification_first.md
index 1c44091..5f3faa6 100644
--- a/Article/codeSpecification/codeSpecification_first.md
+++ b/Article/codeSpecification/codeSpecification_first.md
@@ -54,10 +54,6 @@ def main():
 * 可以使用多个空行分隔多组相关的函数
 * 函数中可以使用空行分隔出逻辑相关的代码
 
-### 2.5、编码
-
-* 文件使用 UTF-8 编码
-* 文件头部加入`#-*-conding:utf-8-*-`标识
 
 ## 3、import 语句
 
@@ -258,4 +254,4 @@ Optional plotz says to frobnicate the bizbaz first.
 """
 
 """Oneline docstring"""
-```
\ No newline at end of file
+```