From fdb5b728306c2c45fdd82215fe6a1416fb1fc33a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=80=81=E5=A4=A7=E5=93=A5?= <wanglong126@139.com>
Date: Wed, 28 Jun 2023 18:14:23 +0800
Subject: [PATCH] doc: update cs.md (#386)

---
 docs/cs.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/docs/cs.md b/docs/cs.md
index 81a4c20..4b11487 100644
--- a/docs/cs.md
+++ b/docs/cs.md
@@ -155,6 +155,24 @@ foreach(int num in numbers) {
 }
 ```
 
+---
+
+```cs
+while(true)
+{
+   Console.WriteLine("只要给定的条件为真，while 循环语句会重复执行");
+}
+```
+
+---
+
+```cs
+do
+{
+   Console.WriteLine("与 while 类似，do...while 会确保至少执行一次循环。");
+} while( true );
+```
+
 C# 数据类型
 ---------------------