From 51ae3ffb87717f39d0efe5ca44098211bed1301a Mon Sep 17 00:00:00 2001
From: wyy <wuyanyi09@gmail.com>
Date: Sat, 24 May 2014 16:14:19 +0800
Subject: [PATCH] update changelog.md

---
 ChangeLog.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ChangeLog.md b/ChangeLog.md
index 0ac7490..326bd7c 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # CppJieba ChangeLog
 
+## v2.4.2
+
+1. 适当使用`vector::reserve`，约提高性能`30%`。
+
 ## v2.4.1
 
 1. 完善一些特殊字符和字母串的切词效果。