diff --git a/cli/clifile.php b/cli/clifile.php
deleted file mode 100755
index af96ab1..0000000
--- a/cli/clifile.php
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/usr/local/bin/php -q
-<?php
-
-//php clifile.php 
-
-echo "hello php cli";
-
-
-
-echo 1;
-
-?>
diff --git a/cli/publish.php b/cli/publish.php
deleted file mode 100644
index fa1608d..0000000
--- a/cli/publish.php
+++ /dev/null
@@ -1 +0,0 @@
-<?php
/**
 * AMQP 测试
 */

$config = array("host" => "127.0.0.1", "port" => "5672", "login" => "admin", "password" => "admin");


$connect = new AMQPConnection($config);
$connect->connect();
\ No newline at end of file
diff --git a/laboratory/get_relative_path.php b/laboratory/get_relative_path.php
new file mode 100644
index 0000000..6668af6
--- /dev/null
+++ b/laboratory/get_relative_path.php
@@ -0,0 +1 @@
+<?php
/**
 * 求a相对于b的路径
 *
 * @param $a
 * @param $b
 * @return string
 */
function getRelativePath($a, $b)
{
    $path = '';
    $arr = explode('/', $a);
    $brr = explode('/', $b);
    //获取两个数组的交集，键值一起比对
    $same = array_intersect_assoc($arr, $brr);
    //获取b相对于a的不同部分
    $dir = array_diff_assoc($brr, $same);

    for($i = 1; $i < count($dir); $i++) {
        $path .='../';
    }

    $path .= str_replace(implode('/',$same).'/','', $a);

    return $path;
}


$a = "/x/y/m/a.txt";
$b = "/x/y/n/b.txt";

echo getRelativePath($a,$b);
\ No newline at end of file