diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..8da3cfe
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,5 @@
+DB_HOSTNAME=127.0.0.1
+DB_DATABASE=lin_cms
+DB_USERNAME=root
+DB_PASSWORD=123456
+DB_HOSTPORT=3306
diff --git a/README.md b/README.md
index 11cc395..e8c2a99 100644
--- a/README.md
+++ b/README.md
@@ -104,22 +104,26 @@ composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
 # 接着执行以下命令安装依赖包
 composer install
 ```
+## 复制环境配置文件
+
+```bash
+cp .env.example .env
+```
 
 ## 数据库配置
 
-Lin 需要你自己在 MySQL 中新建一个数据库，名字由你自己决定。例如，新建一个名为 lin-cms 的数据库。接着，我们需要在工程中进行一项简单的配置。使用编辑器打开 Lin 工程根目录下``/config/database.php``，找到如下配置项：
+Lin 需要你自己在 MySQL 中新建一个数据库，名字由你自己决定。例如，新建一个名为 lin-cms 的数据库。接着，我们需要在工程中进行一项简单的配置。修改.env：
 
-```php
-// 服务器地址
-  'hostname'        => '',
-// 数据库名
-  'database'        => 'lin-cms',
-// 用户名
-  'username'        => 'root',
-// 密码
-  'password'        => '',
-  
-  //省略后面一堆的配置项
+```
+# 服务器名
+DB_HOSTNAME=
+# 数据库名
+DB_DATABASE=lin_cms
+# 用户名
+DB_USERNAME=
+# 密码
+DB_PASSWORD=
+DB_HOSTPORT=
 ```
 
 **请务必根据自己的实际情况修改此配置项**
@@ -218,4 +222,4 @@ QQ 群号：643205479
 
 微信搜索：林间有风
 
-<img class="QR-img" src="http://imglf6.nosdn0.126.net/img/YUdIR2E3ME5weEdlNThuRmI4TFh3UWhiNmladWVoaTlXUXpicEFPa1F6czFNYkdmcWRIbGRRPT0.jpg?imageView&thumbnail=500x0&quality=96&stripmeta=0&type=jpg">
+<img class="QR-img" src="http://imglf6.nosdn0.126.net/img/YUdIR2E3ME5weEdlNThuRmI4TFh3UWhiNmladWVoaTlXUXpicEFPa1F6czFNYkdmcWRIbGRRPT0.jpg?imageView&thumbnail=500x0&quality=96&stripmeta=0&type=jpg">
\ No newline at end of file
diff --git a/application/api/behavior/Logger.php b/application/api/behavior/Logger.php
index 34b4bbc..93de8d0 100644
--- a/application/api/behavior/Logger.php
+++ b/application/api/behavior/Logger.php
@@ -25,7 +25,6 @@ class Logger
      */
     public function run($params)
     {
-
         // 行为逻辑
         if (empty($params)) {
             throw new LoggerException([
@@ -34,7 +33,7 @@ public function run($params)
         }
 
         if (is_array($params)) {
-            list('uid' => $uid, 'username' => $username, 'msg' => $message) = $params;
+            list($uid, $username, $message) = $params;
         } else {
             $uid = Token::getCurrentUID();
             $username = Token::getCurrentName();
diff --git a/application/common.php b/application/common.php
index d7e857f..2a5aed8 100644
--- a/application/common.php
+++ b/application/common.php
@@ -45,7 +45,7 @@ function rand_char($length)
     return $str;
 }
 
-function split_modules($auths, $key = 'module')
+function split_modules($auths, $module = 'module')
 {
     if (empty($auths)) {
         return [];
@@ -131,7 +131,9 @@ function paginate()
 
     $start = $start * $count;
 
-    if ($start < 0 || $count < 0) throw new ParameterException();
+    if ($start < 0 || $count < 0) {
+        throw new ParameterException();
+    }
 
     return [$start, $count];
 }
\ No newline at end of file
diff --git a/config/database.php b/config/database.php
index 9133219..c55ba3b 100644
--- a/config/database.php
+++ b/config/database.php
@@ -13,15 +13,15 @@
     // 数据库类型
     'type'            => 'mysql',
     // 服务器地址
-    'hostname'        => 'localhost',
+    'hostname'        => env('DB_HOSTNAME', 'localhost'),
     // 数据库名
-    'database'        => 'lin-test',
+    'database'        => env('DB_DATABASE', 'lin_test'),
     // 用户名
-    'username'        => 'root',
+    'username'        => env('DB_USERNAME', 'root'),
     // 密码
-    'password'        => '',
+    'password'        => env('DB_PASSWORD', ''),
     // 端口
-    'hostport'        => '',
+    'hostport'        => env('DB_HOSTPORT', 3306),
     // 连接dsn
     'dsn'             => '',
     // 数据库连接参数