修正 Markdown 语法错误。

Signed-off-by: ithink.chan <chenyang@autoai.com>

Software/Application/Octave/C++_调用_Octave.md

@@ -6,7 +6,9 @@
 
 需安装 octave 库
 
-	sudo apt-get install liboctave-dev
+```sh
+sudo apt-get install liboctave-dev
+```
 
 ## 主要头文件
 
@@ -18,6 +20,7 @@ Ubuntu Octave 4.2 版本头文件路径在：/usr/include/octave-4.2.2/octave
 #include <parse.h>
 #include <toplev.h>
 ```
+
 ## 库文件
 
 Octave 的库文件是 liboctinterp.so，链接程序时需要使用该文件。

Software/Application/Pacman/Pacman.md

@@ -1,18 +1,17 @@
 # Pacman
 
-# Search
+## Search
 
-	pacman -Ss <key words>
+    pacman -Ss <key words>
 
-# Install
+## Install
 
-	pacman -S <package name>
+    pacman -S <package name>
 
-# Remove
-
-	pacman -Rscun <package name>
-      	-c, --cascade        remove packages and all packages that depend on them
-		-n, --nosave         remove configuration files
-		-s, --recursive      remove unnecessary dependencies
-		-u, --unneeded       remove unneeded packages
+## Remove
 
+    pacman -Rscun <package name>
+        -c, --cascade        remove packages and all packages that depend on them
+        -n, --nosave         remove configuration files
+        -s, --recursive      remove unnecessary dependencies
+        -u, --unneeded       remove unneeded packages