diff --git a/README.md b/README.md
index 25f5c67..7ec37ae 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 关于iOS 性能优化梳理：
 基本工具、业务优化、内存优化、卡顿优化、布局优化、电量优化、 安装包瘦身、启动优化、网络优化等
 
+
 #### iOS 官方文档
 > 专题内容比较多，后面细分内容会有部分重复。
 * [Performance 专题](https://developer.apple.com/library/content/navigation/#section=Topics&topic=Performance) 
@@ -47,7 +48,8 @@
 * [内存管理及优化(上)-QQ浏览器](https://www.imooc.com/video/11075)
 * [内存管理及优化(下)-QQ浏览器](https://www.imooc.com/video/11076)
 * [OOM探究：XNU 内存状态管理](https://www.jianshu.com/p/4458700a8ba8)
-
+* [OOMDetector 内存监控（腾讯开源）](https://github.com/Tencent/OOMDetector)
+  
 #### 卡顿优化
 * [UIKit性能调优实战讲解](http://www.cocoachina.com/ios/20160208/15238.html?utm_source=tuicool&utm_medium=referral)
 * [QQ空间掉帧率优化实战](http://wetest.qq.com/lab/view/354.html)
@@ -80,10 +82,10 @@ TODO：
 * [iOS App 启动性能优化-WiFi管家](https://mp.weixin.qq.com/s/Kf3EbDIUuf0aWVT-UCEmbA)
 * [iOS App如何优化启动时间-Facebook](http://www.cocoachina.com/ios/20160104/14870.html)
 * [iOS 启动速度优化-百度输入法](http://www.infoq.com/cn/presentations/ios-typewriting-start-speed-optimization)
-* [一次立竿见影的启动时间优化](https://juejin.im/post/5a31190751882559e225a775)
 * [obj中国-Mach-O 可执行文件](https://objccn.io/issue-6-3/)
 * [iOS app启动速度研究实践](https://zhuanlan.zhihu.com/p/38183046?from=1086193010&wm=3333_2001&weiboauthoruid=1690182120)
 * [iOS App冷启动治理：来自美团外卖的实践](https://mp.weixin.qq.com/s/jN3jaNrvXczZoYIRCWZs7w)
+* [脉脉iOS如何启动秒开](https://zhuanlan.zhihu.com/p/396550853)
 
 #### 体积优化
 * [iOS微信安装包瘦身](http://mp.weixin.qq.com/s?__biz=MzAwNDY1ODY2OQ==&mid=207986417&idx=1&sn=77ea7d8e4f8ab7b59111e78c86ccfe66&scene=24&srcid=0921TTAXHGHWKqckEHTvGzoA#rd)
@@ -145,6 +147,7 @@ TODO：
 * [LinkMap](https://github.com/huanxsd/LinkMap)
 
 #### APM
+* [btrace](https://github.com/bytedance/btrace)
 * [iOS-System-Services](https://github.com/iOS-APM/iOS-System-Services)
 * [System Monitor](https://github.com/iOS-APM/SystemMonitor)
 * [PerformanceTestingHelper](https://github.com/ArmsZhou/PerformanceTestingHelper)