From 5dd21586abe9dc7f17f6ddfd16cf7a90deda7f32 Mon Sep 17 00:00:00 2001
From: cwjokaka <1250217678@qq.com>
Date: Tue, 30 Jun 2020 00:57:28 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E7=AC=AC15=E7=AB=A0=E5=8F=98?=
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---
 zh_CN/15-thinking-in-edge-cases.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/zh_CN/15-thinking-in-edge-cases.md b/zh_CN/15-thinking-in-edge-cases.md
index d896a86..43585a1 100644
--- a/zh_CN/15-thinking-in-edge-cases.md
+++ b/zh_CN/15-thinking-in-edge-cases.md
@@ -429,8 +429,8 @@ while True:
 
 ```python
 while True:
-    # 使用 % page_with 控制不要超过页面宽度
-    element.position_x = (element.position_x + width_unit) % page_with
+    # 使用 % page_width 控制不要超过页面宽度
+    element.position_x = (element.position_x + width_unit) % page_width
 ```
 
 这样写的话，代码里的边界情况就连着那行 `if` 语句一起消失了。