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diff --git a/StreamMedia/横琴部署/横琴部署.md b/StreamMedia/横琴部署/横琴部署.md
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--- a/StreamMedia/横琴部署/横琴部署.md
+++ b/StreamMedia/横琴部署/横琴部署.md
@@ -23,9 +23,59 @@ I帧间隔：视频帧率*2
 SVC：关闭
 ```
 
+## 修改 ffmpeg 参数（需要重新编译）
+```
+# https://blog.csdn.net/my_name_is_learn/article/details/107408551
+git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg
+# or
+git clone -b release/5.0 https://github.com/FFmpeg/FFmpeg ffmpeg
+cd ffmpeg
+
+# 修改 udp.c 内的 UDP_MAX_PKT_SIZE 大小x10
+#define UDP_MAX_PKT_SIZE (65536 * 10)
+
+mkdir build
+cd build
+sudo apt install yasm
+../configure
+make -j4
+sudo make install
+```
+
+## jemalloc
+```
+# https://github.com/jemalloc/jemalloc
+# https://github.com/aerospike/jemalloc/blob/master/INSTALL
+
+wget https://github.com/jemalloc/jemalloc/releases/download/5.3.0/jemalloc-5.3.0.tar.bz2
+tar -xvf jemalloc-5.3.0.tar.bz2
+cd jemalloc-5.3.0/
+sudo apt -y install autogen autoconf
+./autogen.sh
+make -j4
+sudo make install
+sudo ldconfig
+ldconfig -v | grep jemalloc
+```
+
 ## 调整 ZLMediaKit 参数
 ```
-# 调试过程使用 Debug 版本，正式使用最好使用 Release 版本
+git clone https://github.com/ZLMediaKit/ZLMediaKit
+cd ZLMediaKit
+git submodule update --init
+sudo apt install -y build-essential cmake
+mkdir build-debug build-release
+cd build-debug
+# 调试过程使用 Debug 版本，正式使用最好使用 Release 版本（默认 Debug）
+cmake -DCMKAE_BUILD_TYPE=Debug ..
+cmake -DCMKAE_BUILD_TYPE=Release ..
+# or
+vim CMakeLists.txt
+SET(CMAKE_BUILD_TYPE "Debug”)
+SET(CMAKE_BUILD_TYPE "Release")
+cmake ..
+make -j4
+
 [api]
 apiDebug=1 => 0
 
@@ -71,12 +121,6 @@ reboot
 ulimit -a
 ```
 
-## 修改 ffmpeg 参数（需要重新编译）
-```
-# 修改 udp.c 内的 UDP_MAX_PKT_SIZE 大小x10
-#define UDP_MAX_PKT_SIZE (65536 * 10)
-```
-
 # 调试工具
 ```
 # 安装调试工具
@@ -100,5 +144,9 @@ cat /proc/net/snmp | grep -w Udp
 # 网络抓包
 tcpdump #https://blog.csdn.net/weixin_36338224/article/details/107035214
 wireshark
+
+# 性能测试
+# https://github.com/zlmediakit/ZLMediaKit/wiki/Benchmark
+
 ```