diff --git a/.php_cs b/.php_cs
deleted file mode 100644
index c784750..0000000
--- a/.php_cs
+++ /dev/null
@@ -1,56 +0,0 @@
-<?php
-
-$header = <<<EOF
-This file is part of the redisLock package.
-
-Author:Tim Xiao
-EOF;
-
-$finder = Symfony\CS\Finder::create()
-    ->files()
-    ->name('*.php')
-    ->exclude('Fixtures')
-    ->in(__DIR__.'/src')
-    ->in(__DIR__.'/tests')
-;
-
-return Symfony\CS\Config::create()
-    ->setUsingCache(true)
-    //->setUsingLinter(false)
-    ->setRiskyAllowed(true)
-    ->setRules(array(
-        '@PSR2' => true,
-        'binary_operator_spaces' => true,
-        'blank_line_before_return' => true,
-        'header_comment' => array('header' => $header),
-        'include' => true,
-        'long_array_syntax' => true,
-        'method_separation' => true,
-        'no_blank_lines_after_class_opening' => true,
-        'no_blank_lines_after_phpdoc' => true,
-        'no_blank_lines_between_uses' => true,
-        'no_duplicate_semicolons' => true,
-        'no_extra_consecutive_blank_lines' => true,
-        'no_leading_import_slash' => true,
-        'no_leading_namespace_whitespace' => true,
-        'no_trailing_comma_in_singleline_array' => true,
-        'no_unused_imports' => true,
-        'object_operator_without_whitespace' => true,
-        'phpdoc_align' => true,
-        'phpdoc_indent' => true,
-        'phpdoc_no_access' => true,
-        'phpdoc_no_package' => true,
-        'phpdoc_order' => true,
-        'phpdoc_scalar' => true,
-        'phpdoc_trim' => true,
-        'phpdoc_type_to_var' => true,
-        'psr0' => true,
-        'single_blank_line_before_namespace' => true,
-        'spaces_cast' => true,
-        'standardize_not_equals' => true,
-        'ternary_operator_spaces' => true,
-        'trailing_comma_in_multiline_array' => true,
-        'whitespacy_lines' => true,
-    ))
-    ->finder($finder)
-;
diff --git a/.php_cs.dist b/.php_cs.dist
new file mode 100644
index 0000000..6a4a60b
--- /dev/null
+++ b/.php_cs.dist
@@ -0,0 +1,52 @@
+<?php
+
+$header = <<<EOF
+This file is part of the redisLock package.
+
+Author:Tim Xiao
+EOF;
+
+
+return PhpCsFixer\Config::create()
+    ->setRiskyAllowed(true)
+    ->setRules([
+        '@PSR2'    => true,
+        '@Symfony' => true,
+        'array_syntax'               => ['syntax' => 'short'],
+        'combine_consecutive_unsets' => true,
+        // one should use PHPUnit methods to set up expected exception instead of annotations
+        'general_phpdoc_annotation_remove' => ['expectedException', 'expectedExceptionMessage', 'expectedExceptionMessageRegExp'],
+        'header_comment' => array('header' => $header),
+        'heredoc_to_nowdoc'                     => true,
+        'no_extra_consecutive_blank_lines'      => ['break', 'continue', 'extra', 'return', 'throw', 'use', 'parenthesis_brace_block', 'square_brace_block', 'curly_brace_block'],
+        'no_unreachable_default_argument_value' => true,
+        'no_useless_else'                       => true,
+        'no_useless_return'                     => true,
+        'ordered_class_elements'                => true,
+        'ordered_imports'                       => true,
+        'php_unit_strict'                       => true,
+        'phpdoc_add_missing_param_annotation'   => true,
+        'no_trailing_comma_in_singleline_array' => true, //单行数组最后一个元素不添加逗号
+        'phpdoc_order'                          => true,
+        'psr4'                                  => true,
+        'strict_comparison'                     => false,
+        'strict_param'                          => false, //这里设置为true，发现in_array方法会默认加上第3个参数为true，这使得in_array会对前两个参数值的类型也会做严格的校验，建议设置为false
+        'binary_operator_spaces'                => ['default' => 'align_single_space_minimal'],
+        //'binary_operator_spaces' => true,
+        'concat_space'                     => ['spacing' => 'one'],
+        'no_empty_statement'               => true,
+        'simplified_null_return'           => true,
+        'no_extra_consecutive_blank_lines' => true,
+        'pre_increment'                    => false, //设置为false，$i++ 不会变成 ++$i
+        'native_function_invocation'       => false, //in_array不会加前缀\
+        'cast_spaces'                      => ['space' => 'single'],
+    ])
+    ->setFinder(
+        PhpCsFixer\Finder::create()
+            ->name('*.php')
+            ->exclude('extend')
+            ->exclude('vendor')
+            ->exclude('FormBase')
+            ->in(__DIR__)
+    )
+    ->setUsingCache(false);
\ No newline at end of file
diff --git a/README.md b/README.md
index 8c4f1d8..028299d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,17 @@
 # redisLock
 
-### 
+使用redis实现分布式锁
 
+### Installation
 
-### 关于代码格式
+待补充
+
+
+### 开发指南
+
+###### 代码格式
+使用PHP-CS-Fixer格式化代码
+```
+php-cs-fixer fix .
+```
+- 参考：https://github.com/FriendsOfPHP/PHP-CS-Fixer
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 5b01605..cd76e9b 100644
--- a/composer.json
+++ b/composer.json
@@ -21,5 +21,8 @@
         "psr-4": {
             "tim1116\\redisLock\\": "src/"
         }
+    },
+    "require-dev": {
+        "eaglewu/swoole-ide-helper": "dev-master"
     }
 }
diff --git a/src/RedisLock.php b/src/RedisLock.php
index ff6e1b8..de5e0b3 100644
--- a/src/RedisLock.php
+++ b/src/RedisLock.php
@@ -1,7 +1,9 @@
 <?php
-/**
- * File: RedisLock.php
- * PROJECT_NAME: redisLock
+
+/*
+ * This file is part of the redisLock package.
+ *
+ * Author:Tim Xiao
  */
 
 namespace tim1116\redisLock;
@@ -22,21 +24,13 @@ private function __construct(RedisSetting $setting)
         $this->redisSetting = $setting;
     }
 
-    private function checkKey(string $key):bool
-    {
-        if (empty($key)) {
-            return false;
-        }
-        return true;
-    }
-
     public function lock(string $key, int $expire)
     {
         if (!$this->checkKey($key)) {
-            throw new \InvalidArgumentException("key error,unexpected empty");
+            throw new \InvalidArgumentException('key error,unexpected empty');
         }
         if ($expire <= 0) {
-            throw new \InvalidArgumentException("expire time error");
+            throw new \InvalidArgumentException('expire time error');
         }
         $redis    = $this->connect();
         $key      = Util::lockKey($key);
@@ -45,6 +39,7 @@ public function lock(string $key, int $expire)
         if (!$isLocked) {
             return false;
         }
+
         return true;
     }
 
@@ -52,18 +47,19 @@ public function lock(string $key, int $expire)
     public function unLock(string $key)
     {
         if (!$this->checkKey($key)) {
-            throw new \InvalidArgumentException("key error,unexpected empty");
+            throw new \InvalidArgumentException('key error,unexpected empty');
         }
         $redis = $this->connect();
+
         return $redis->del(Util::lockKey($key));
     }
 
     /**
-     * 连接redis
+     * 连接redis.
      *
      * @throws \RedisException
      */
-    public function connect():\Redis
+    public function connect(): \Redis
     {
         $redis = new \Redis();
         $redis->connect($this->redisSetting->host, $this->redisSetting->port, $this->redisSetting->timeout);
@@ -73,10 +69,17 @@ public function connect():\Redis
         $redis->select($this->redisSetting->dbindex);
         if ($this->redisSetting->prefix) {
             $redis->setOption(\Redis::OPT_PREFIX, $this->redisSetting->prefix);
-
         }
+
         return $redis;
     }
 
+    private function checkKey(string $key): bool
+    {
+        if (empty($key)) {
+            return false;
+        }
 
+        return true;
+    }
 }
diff --git a/src/RedisSetting.php b/src/RedisSetting.php
index 721fb60..6200119 100644
--- a/src/RedisSetting.php
+++ b/src/RedisSetting.php
@@ -1,33 +1,34 @@
 <?php
-/**
- * File: RedisSeeting.php
- * PROJECT_NAME: redisLock
+
+/*
+ * This file is part of the redisLock package.
+ *
+ * Author:Tim Xiao
  */
 
 namespace tim1116\redisLock;
 
 /**
  * redis配置类
- * Class RedisSetting
+ * Class RedisSetting.
  */
 class RedisSetting
 {
     public $host = '127.0.0.1';
     public $port = 6379;
     // 连接超时时间 默认3S
-    public $timeout = 3.0;
+    public $timeout  = 3.0;
     public $password = '';
-    public $dbindex = 0;
+    public $dbindex  = 0;
     // 前缀
     public $prefix = 'redisLock:';
 
-    public function __construct(Array $config = [])
+    public function __construct(array $config = [])
     {
         $this->setConfig($config);
     }
 
-
-    public function setConfig(Array $config)
+    public function setConfig(array $config)
     {
         if (isset($config['host'])) {
             $this->host = $config['host'];
@@ -52,6 +53,5 @@ public function setConfig(Array $config)
         if (isset($config['prefix'])) {
             $this->prefix = $config['prefix'];
         }
-
     }
 }
diff --git a/src/Util.php b/src/Util.php
index 7f1dbff..81bd84f 100644
--- a/src/Util.php
+++ b/src/Util.php
@@ -1,8 +1,13 @@
 <?php
 
-
 declare(strict_types=1);
 
+/*
+ * This file is part of the redisLock package.
+ *
+ * Author:Tim Xiao
+ */
+
 namespace tim1116\redisLock;
 
 class Util
diff --git a/src/traits/Single.php b/src/traits/Single.php
index 56b6863..fd24451 100644
--- a/src/traits/Single.php
+++ b/src/traits/Single.php
@@ -1,15 +1,33 @@
 <?php
-/**
- * File: Single.php
- * PROJECT_NAME: redisLock
+
+/*
+ * This file is part of the redisLock package.
+ *
+ * Author:Tim Xiao
  */
 
 namespace tim1116\redisLock\traits;
 
-trait  Single
+trait Single
 {
     private static $instance = null;
 
+    /**
+     * prevent the instance from being cloned (which would create a second instance of it).
+     */
+    private function __clone()
+    {
+    }
+
+    /**
+     * 防止通过反序列化生成类实例.
+     *
+     * $obj1 = Singleton::getInstance();
+     * $obj2= unserialize(serialize($obj1));
+     */
+    private function __wakeup()
+    {
+    }
 
     /**
      * 初始化.
@@ -26,21 +44,4 @@ public static function getInstance(...$args)
 
         return static::$instance;
     }
-
-    /**
-     * prevent the instance from being cloned (which would create a second instance of it)
-     */
-    private function __clone()
-    {
-    }
-
-    /**
-     * 防止通过反序列化生成类实例
-     *
-     * $obj1 = Singleton::getInstance();
-     * $obj2= unserialize(serialize($obj1));
-     */
-    private function __wakeup()
-    {
-    }
 }
diff --git a/tests/test1.php b/tests/test1.php
index c556105..ecc7941 100644
--- a/tests/test1.php
+++ b/tests/test1.php
@@ -1,7 +1,9 @@
 <?php
-/**
- * File: test1.php
- * PROJECT_NAME: redisLock
+
+/*
+ * This file is part of the redisLock package.
+ *
+ * Author:Tim Xiao
  */
 
 require __DIR__ . '/../vendor/autoload.php';
@@ -9,7 +11,6 @@
 use tim1116\redisLock\RedisLock;
 use tim1116\redisLock\RedisSetting;
 
-
 $config = [
     'host'     => '192.168.199.101',
     'port'     => 6379,
@@ -17,9 +18,5 @@
     'dbindex'  => 6,
 ];
 $obj    = RedisLock::getInstance(new RedisSetting($config));
-//$isLock = $obj->lock("aaa",100);
-//var_dump($isLock);
-
-echo "unlock";
-var_dump($obj->unLock("aaa"));
+$isLock = $obj->lock('aaa', 100);
 var_dump($isLock);
diff --git a/tests/test2.php b/tests/test2.php
new file mode 100644
index 0000000..df97e89
--- /dev/null
+++ b/tests/test2.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of the redisLock package.
+ *
+ * Author:Tim Xiao
+ */
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use Swoole\Process;
+use tim1116\redisLock\RedisLock;
+use tim1116\redisLock\RedisSetting;
+
+$config = [
+    'host'     => '192.168.199.101',
+    'port'     => 6379,
+    'password' => '123456',
+    'dbindex'  => 6,
+];
+
+$key = 'process';
+
+// 多进程抢占锁资源
+for ($n = 1; $n <= 5; ++$n) {
+    $process = new Process(function () use ($n, $config, $key) {
+        $obj = RedisLock::getInstance(new RedisSetting($config));
+        $isLock = $obj->lock($key, 2);
+        if ($isLock) {
+            echo $n . ' 进程抢占到锁';
+            echo PHP_EOL;
+        }
+    });
+    $process->start();
+}
+for ($n = 5; --$n;) {
+    $status = Process::wait(true);
+    echo "Recycled #{$status['pid']}, code={$status['code']}, signal={$status['signal']}" . PHP_EOL;
+}