diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1,5 +1,11 @@
 # Blog Navigation
 
+## Embedded
+
+* [在MACBOOK上搭建ARMv8架构的ARM开发环境](https://gist.github.com/carloscn/7774739514033fa7a9b5407f6fb880d8)
+* [Starting with JLink debugger or QEMU](https://github.com/carloscn/blog/issues/4) [Embedded](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AEmbedded) [GDB](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AGDB)
+* [Using GDB and GDB-multi command note](https://gist.github.com/carloscn/f628bb08453cdda3a33de58caa06ba1f)
+
 ## ARMv8
 
 * [02_ARMv8_基本概念](https://github.com/carloscn/blog/issues/1) [ARMv8](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AARMv8)
@@ -8,25 +14,20 @@
 * [05_ARMv8_指令集_跳转_比较与返回指令](https://github.com/carloscn/blog/issues/10) [ARMv8](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AARMv8)
 * [06_ARMv8_指令集_一些重要的指令](https://github.com/carloscn/blog/issues/12) [ARMv8](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AARMv8)
 
+## Linux Userspace
+
+* [Linux-用户空间-多线程与同步](https://github.com/carloscn/blog/issues/9) [Linux](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinux)
+* [Linux进程之间的通信-管道（上）](https://github.com/carloscn/blog/issues/13) [Linux](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinux)
+* [Linux进程之间的通信-管道（下）](https://github.com/carloscn/blog/issues/14) [Linux](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinux)
+* [Linux进程之间的通信-信号量（System V）](https://github.com/carloscn/blog/issues/15) [2022-4-1]
+* [Linux进程之间的通信-内存共享（System V）](https://github.com/carloscn/blog/issues/16) [2022-4-1]
+
 ## Linux - ELF
 
 * [01_ELF文件_目标文件格式](https://github.com/carloscn/blog/issues/5) [GCC](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AGCC) [Linux](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinux)
 * [02_ELF文件结构_浅析内部文件结构](https://github.com/carloscn/blog/issues/6) [GCC](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AGCC) [Linux](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinux)
 * [03_ELF文件_静态链接](https://github.com/carloscn/blog/issues/11) [compiler](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3Acompiler) [GCC](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AGCC) [Linux](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinux)
-## Embedded
-
-* [在MACBOOK上搭建ARMv8架构的ARM开发环境](https://gist.github.com/carloscn/7774739514033fa7a9b5407f6fb880d8)
-* [Starting with JLink debugger or QEMU](https://github.com/carloscn/blog/issues/4) [Embedded](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AEmbedded) [GDB](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3AGDB)
-* [Using GDB and GDB-multi command note](https://gist.github.com/carloscn/f628bb08453cdda3a33de58caa06ba1f)
 
 ## Linux Kernel 
 
 * [02_Linux内核_进程的管理和调度](https://github.com/carloscn/blog/issues/8) [LinuxKernel](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinuxKernel)
-
-## Linux Userspace
-
-* [Linux-用户空间-多线程与同步](https://github.com/carloscn/blog/issues/9) [Linux](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinux)
-* [Linux进程之间的通信-管道（上）](https://github.com/carloscn/blog/issues/13) [Linux](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinux)
-* [Linux进程之间的通信-管道（下）](https://github.com/carloscn/blog/issues/14) [Linux](https://github.com/carloscn/blog/issues?q=is%3Aissue+is%3Aopen+label%3ALinux)
-* [Linux进程之间的通信-信号量（System V）](https://github.com/carloscn/blog/issues/15) [2022-4-1]
-* [Linux进程之间的通信-内存共享（System V）](https://github.com/carloscn/blog/issues/16) [2022-4-1]