diff --git a/src/Globals/global_functions.php b/src/Globals/global_functions.php
index 15c76222..862741d1 100644
--- a/src/Globals/global_functions.php
+++ b/src/Globals/global_functions.php
@@ -7,6 +7,7 @@ use OneBot\Driver\Coroutine\CoroutineInterface;
 use OneBot\Driver\Process\ExecutionResult;
 use OneBot\V12\Object\MessageSegment;
 use Psr\Log\LoggerInterface;
+use ZM\Config\ZMConfig;
 use ZM\Container\Container;
 use ZM\Container\ContainerInterface;
 use ZM\Context\Context;
@@ -141,7 +142,7 @@ function container(): ContainerInterface
 /**
  * 解析类实例（使用容器）
  *
- * @template T
+ * @template     T
  * @param  class-string<T> $abstract
  * @return Closure|mixed|T
  * @noinspection PhpDocMissingThrowsInspection
@@ -187,3 +188,27 @@ function mysql_builder(string $name = '')
 {
     return (new MySQLWrapper($name))->createQueryBuilder();
 }
+
+/**
+ * 获取 / 设置配置项
+ *
+ * 传入键名和（或）默认值，获取配置项
+ * 传入数组，设置配置项
+ * 不传参数，返回配置容器
+ *
+ * @param  null|array|string   $key     键名
+ * @param  mixed               $default 默认值
+ * @return mixed|void|ZMConfig
+ */
+function config($key = null, $default = null)
+{
+    $config = ZMConfig::getInstance();
+    if (is_null($key)) {
+        return $config;
+    }
+    if (is_array($key)) {
+        $config->set($key);
+        return;
+    }
+    return $config->get($key, $default);
+}
diff --git a/src/ZM/Annotation/AnnotationParser.php b/src/ZM/Annotation/AnnotationParser.php
index 70f6f285..c897baf5 100644
--- a/src/ZM/Annotation/AnnotationParser.php
+++ b/src/ZM/Annotation/AnnotationParser.php
@@ -15,7 +15,6 @@ use ZM\Annotation\Http\Route;
 use ZM\Annotation\Interfaces\ErgodicAnnotation;
 use ZM\Annotation\Interfaces\Level;
 use ZM\Annotation\Middleware\Middleware;
-use ZM\Config\ZMConfig;
 use ZM\Exception\ConfigException;
 use ZM\Store\FileSystem;
 use ZM\Utils\HttpUtil;
@@ -92,7 +91,7 @@ class AnnotationParser
             $all_class = FileSystem::getClassesPsr4($path[0], $path[1]);
 
             // 读取配置文件中配置的忽略解析的注解名，防止误解析一些别的地方需要的注解，比如@mixin
-            $conf = ZMConfig::get('global.runtime.annotation_reader_ignore');
+            $conf = config('global.runtime.annotation_reader_ignore');
             // 有两种方式，第一种是通过名称，第二种是通过命名空间
             if (isset($conf['name']) && is_array($conf['name'])) {
                 foreach ($conf['name'] as $v) {
diff --git a/src/ZM/Command/CheckConfigCommand.php b/src/ZM/Command/CheckConfigCommand.php
index ef49127b..eaec01e2 100644
--- a/src/ZM/Command/CheckConfigCommand.php
+++ b/src/ZM/Command/CheckConfigCommand.php
@@ -7,7 +7,6 @@ namespace ZM\Command;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
-use ZM\Config\ZMConfig;
 
 class CheckConfigCommand extends Command
 {
@@ -57,7 +56,7 @@ class CheckConfigCommand extends Command
     {
         $local_file = include_once WORKING_DIR . '/config/' . $local;
         if ($local_file === true) {
-            $local_file = ZMConfig::get('global');
+            $local_file = config('global');
         }
         foreach ($remote as $k => $v) {
             if (!isset($local_file[$k])) {
diff --git a/src/ZM/Command/Generate/SystemdGenerateCommand.php b/src/ZM/Command/Generate/SystemdGenerateCommand.php
index 6de2711a..851f9ca1 100644
--- a/src/ZM/Command/Generate/SystemdGenerateCommand.php
+++ b/src/ZM/Command/Generate/SystemdGenerateCommand.php
@@ -7,7 +7,6 @@ namespace ZM\Command\Generate;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
-use ZM\Config\ZMConfig;
 
 class SystemdGenerateCommand extends Command
 {
@@ -21,7 +20,7 @@ class SystemdGenerateCommand extends Command
 
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
-        ZMConfig::setDirectory(SOURCE_ROOT_DIR . '/config');
+        config()->addConfigPath(SOURCE_ROOT_DIR . '/config');
         $path = $this->generate();
         $output->writeln('<info>成功生成 systemd 文件，位置：' . $path . '</info>');
         $output->writeln('<info>有关如何使用 systemd 配置文件，请访问 `https://github.com/zhamao-robot/zhamao-framework/issues/36`</info>');
diff --git a/src/ZM/Config/ConfigMetadata.php b/src/ZM/Config/ConfigMetadata.php
deleted file mode 100644
index 040263ca..00000000
--- a/src/ZM/Config/ConfigMetadata.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace ZM\Config;
-
-class ConfigMetadata
-{
-    public $is_patch = false;
-
-    public $is_env = false;
-
-    public $path = '';
-
-    public $extension = '';
-
-    public $data = [];
-}
diff --git a/src/ZM/Config/ZMConfig.php b/src/ZM/Config/ZMConfig.php
index 124c26a7..faf0b1c5 100644
--- a/src/ZM/Config/ZMConfig.php
+++ b/src/ZM/Config/ZMConfig.php
@@ -4,293 +4,366 @@ declare(strict_types=1);
 
 namespace ZM\Config;
 
+use OneBot\Util\Singleton;
+use OneBot\V12\Config\Config;
 use ZM\Exception\ConfigException;
-use ZM\Store\FileSystem;
 
-class ZMConfig
+class ZMConfig implements \ArrayAccess
 {
-    public const SUPPORTED_EXTENSIONS = ['php', 'json'];
-
-    public const SUPPORTED_ENVIRONMENTS = ['development', 'production', 'staging'];
-
-    private const DEFAULT_PATH = __DIR__ . '/../../../config';
-
-    /** @var string 上次报错 */
-    public static $last_error = '';
-
-    /** @var array 配置文件 */
-    public static $config = [];
-
-    /** @var string 配置文件 */
-    private static $path = 'config';
-
-    /** @var string 上次的路径 */
-    private static $last_path = '.';
-
-    /** @var string 配置文件环境变量 */
-    private static $env = 'development';
-
-    /** @var array 配置文件元数据 */
-    private static $config_meta_list = [];
-
-    public static function setDirectory($path)
-    {
-        self::$last_path = self::$path;
-        return self::$path = $path;
-    }
+    use Singleton;
 
     /**
-     * @internal
+     * @var array 支持的文件扩展名
      */
-    public static function restoreDirectory()
-    {
-        self::$path = self::$last_path;
-        self::$last_path = '.';
-    }
-
-    public static function getDirectory(): string
-    {
-        return self::$path;
-    }
-
-    public static function setEnv($env = 'development'): bool
-    {
-        if (!in_array($env, self::SUPPORTED_ENVIRONMENTS)) {
-            throw new ConfigException('E00079', 'Unsupported environment: ' . $env);
-        }
-        self::$env = $env;
-        return true;
-    }
-
-    public static function getEnv(): string
-    {
-        return self::$env;
-    }
+    public const ALLOWED_FILE_EXTENSIONS = ['php', 'yaml', 'yml', 'json', 'toml'];
 
     /**
-     * @param  mixed                  $additional_key
-     * @throws ConfigException
-     * @return null|array|false|mixed
+     * @var array 配置文件加载顺序，后覆盖前
      */
-    public static function get(string $name, $additional_key = '')
-    {
-        $separated = explode('.', $name);
-        if ($additional_key !== '') {
-            $separated = array_merge($separated, explode('.', $additional_key));
-        }
-        $head_name = array_shift($separated);
-        // 首先判断有没有初始化这个配置文件，因为是只读，所以是懒加载，加载第一次后缓存起来
-        if (!isset(self::$config[$head_name])) {
-            logger()->debug('配置文件' . $name . ' ' . $additional_key . '没读取过，正在从文件加载 ...');
-            self::$config[$head_name] = self::loadConfig($head_name);
-        }
-        // global.remote_terminal
-        logger()->debug('根据切分来寻找子配置: ' . $name);
-        $obj = self::$config[$head_name];
-        foreach ($separated as $key) {
-            if (isset($obj[$key])) {
-                $obj = $obj[$key];
-            } else {
-                return null;
-            }
-        }
-        return $obj;
-    }
-
-    public static function trace(string $name)
-    {
-        // TODO: 调试配置文件搜寻路径
-    }
-
-    public static function reload()
-    {
-        self::$config = [];
-        self::$config_meta_list = [];
-    }
+    public const LOAD_ORDER = ['default', 'environment', 'patch'];
 
     /**
-     * 智能patch，将patch数组内的数据合并更新到data中
+     * @var string 默认配置文件路径
+     */
+    public const DEFAULT_CONFIG_PATH = SOURCE_ROOT_DIR . '/config';
+
+    /**
+     * @var array 已加载的配置文件
+     */
+    private array $loaded_files = [];
+
+    /**
+     * @var array 配置文件路径
+     */
+    private array $config_paths;
+
+    /**
+     * @var string 当前环境
+     */
+    private string $environment;
+
+    /**
+     * @var Config 内部配置容器
+     */
+    private Config $holder;
+
+    /**
+     * 构造配置实例
      *
-     * @param  array|mixed $data  原数据
-     * @param  array|mixed $patch 要patch的数据
-     * @return array|mixed
+     * @param array  $config_paths 配置文件路径
+     * @param string $environment  环境
+     *
+     * @throws ConfigException 配置文件加载出错
      */
-    public static function smartPatch($data, $patch)
+    public function __construct(array $config_paths = [], string $environment = 'development')
     {
-        /* patch 样例：
-        [patch]
-        runtime:
-            annotation_reader_ignore: ["牛逼"]
-        custom: "非常酷的patch模式"
+        $this->config_paths = $config_paths ?: [self::DEFAULT_CONFIG_PATH];
+        $this->environment = $environment;
+        $this->holder = new Config([]);
+        $this->loadFiles();
+    }
 
-        [base]
-        runtime:
-            annotation_reader_ignore: []
-            reload_delay_time: 800
-
-        [result]
-        runtime:
-            annotation_reader_ignore: ["牛逼"]
-            reload_delay_time: 800
-        custom: "非常酷的patch模式"
-        */
-        if (is_array($data) && is_array($patch)) { // 两者必须是数组才行
-            if (is_assoc_array($patch) && is_assoc_array($data)) { // 两者必须都是kv数组才能递归merge，如果是顺序数组，则直接覆盖
-                foreach ($patch as $k => $v) {
-                    if (!isset($data[$k])) { // 如果项目不在基类存在，则直接写入
-                        $data[$k] = $v;
-                    } else { // 如果base存在的话，则递归patch覆盖
-                        $data[$k] = self::smartPatch($data[$k], $v);
-                    }
-                }
-                return $data;
-            }
+    /**
+     * 添加配置文件路径
+     *
+     * @param string $path 路径
+     */
+    public function addConfigPath(string $path): void
+    {
+        if (!in_array($path, $this->config_paths, true)) {
+            $this->config_paths[] = $path;
+        }
+    }
+
+    /**
+     * 设置当前环境
+     *
+     * 变更环境后，将会自动调用 `reload` 方法重载配置
+     *
+     * @param string $environment 目标环境
+     */
+    public function setEnvironment(string $environment): void
+    {
+        if ($this->environment !== $environment) {
+            $this->environment = $environment;
+            $this->reload();
         }
-        return $patch;
     }
 
     /**
      * 加载配置文件
      *
      * @throws ConfigException
-     * @return array|int|string
      */
-    private static function loadConfig(string $name)
+    public function loadFiles(): void
     {
-        // 首先获取此名称的所有配置文件的路径
-        self::parseList($name);
+        $stages = [
+            'default' => [],
+            'environment' => [],
+            'patch' => [],
+        ];
 
-        $env1_patch0 = null;
-        $env1_patch1 = null;
-        $env0_patch0 = null;
-        $env0_patch1 = null;
-        foreach (self::$config_meta_list[$name] as $v) {
-            /** @var ConfigMetadata $v */
-            if ($v->is_env && !$v->is_patch) {
-                $env1_patch0 = $v->data;
-            } elseif ($v->is_env && $v->is_patch) {
-                $env1_patch1 = $v->data;
-            } elseif (!$v->is_env && !$v->is_patch) {
-                $env0_patch0 = $v->data;
-            } else {
-                $env0_patch1 = $v->data;
-            }
-        }
-        // 优先级：无env无patch < 无env有patch < 有env无patch < 有env有patch
-        // 但是无patch的版本必须有一个，否则会报错
-        if ($env1_patch0 === null && $env0_patch0 === null) {
-            throw new ConfigException('E00078', '未找到配置文件 ' . $name . ' !');
-        }
-        $data = $env1_patch0 ?? $env0_patch0;
-        if (is_array($patch = $env1_patch1 ?? $env0_patch1) && is_assoc_array($patch)) {
-            $data = self::smartPatch($data, $patch);
-        }
-
-        return $data;
-    }
-
-    /**
-     * 通过名称将所有该名称的配置文件路径和信息读取到列表中
-     *
-     * @throws ConfigException
-     */
-    private static function parseList(string $name): void
-    {
-        $list = [];
-        $files = FileSystem::scanDirFiles(self::$path, true, true);
-        foreach ($files as $file) {
-            logger()->debug('正在从目录' . self::$path . '读取配置文件 ' . $file);
-            $info = pathinfo($file);
-            $info['extension'] = $info['extension'] ?? '';
-
-            // 排除子文件夹名字带点的文件
-            if ($info['dirname'] !== '.' && strpos($info['dirname'], '.') !== false) {
-                continue;
-            }
-
-            // 判断文件名是否为配置文件
-            if (!in_array($info['extension'], self::SUPPORTED_EXTENSIONS)) {
-                continue;
-            }
-
-            $ext = $info['extension'];
-            $dot_separated = explode('.', $info['filename']);
-
-            // 将配置文件加进来
-            $obj = new ConfigMetadata();
-            if ($dot_separated[0] === $name) { // 如果文件名与配置文件名一致
-                // 首先检测该文件是否为补丁版本儿
-                if (str_ends_with($info['filename'], '.patch')) {
-                    $obj->is_patch = true;
-                    $info['filename'] = substr($info['filename'], 0, -6);
-                } else {
-                    $obj->is_patch = false;
-                }
-                // 其次检测该文件是不是带有环境参数的版本儿
-                if (str_ends_with($info['filename'], '.' . self::$env)) {
-                    $obj->is_env = true;
-                    $info['filename'] = substr($info['filename'], 0, -(strlen(self::$env) + 1));
-                } else {
-                    $obj->is_env = false;
-                }
-                if (mb_strpos($info['filename'], '.') !== false) {
-                    logger()->warning('文件名 ' . $info['filename'] . ' 不合法(含有".")，请检查文件名是否合法。');
-                    continue;
-                }
-                $obj->path = zm_dir(self::$path . '/' . $info['dirname'] . '/' . $info['basename']);
-                $obj->extension = $ext;
-                $obj->data = self::readConfigFromFile(zm_dir(self::$path . '/' . $info['dirname'] . '/' . $info['basename']), $info['extension']);
-                $list[] = $obj;
-            }
-        }
-        // 如果是源码模式，config目录和default目录相同，所以不需要继续采摘default目录下的文件
-        if (realpath(self::$path) !== realpath(self::DEFAULT_PATH)) {
-            $files = FileSystem::scanDirFiles(self::DEFAULT_PATH, true, true);
+        // 遍历所有需加载的文件，并按加载类型进行分组
+        foreach ($this->config_paths as $config_path) {
+            $files = scandir($config_path);
             foreach ($files as $file) {
-                $info = pathinfo($file);
-                $info['extension'] = $info['extension'] ?? '';
-                // 判断文件名是否为配置文件
-                if (!in_array($info['extension'], self::SUPPORTED_EXTENSIONS)) {
+                [, $ext, $load_type,] = $this->getFileMeta($file);
+                // 略过不支持的文件
+                if (!in_array($ext, self::ALLOWED_FILE_EXTENSIONS, true)) {
                     continue;
                 }
-                if ($info['filename'] === $name) { // 如果文件名与配置文件名一致，就创建一个配置文件的元数据对象
-                    $obj = new ConfigMetadata();
-                    $obj->is_patch = false;
-                    $obj->is_env = false;
-                    $obj->path = realpath(self::DEFAULT_PATH . '/' . $info['dirname'] . '/' . $info['basename']);
-                    $obj->extension = $info['extension'];
-                    $obj->data = self::readConfigFromFile(zm_dir(self::DEFAULT_PATH . '/' . $info['dirname'] . '/' . $info['basename']), $info['extension']);
-                    $list[] = $obj;
+
+                $file_path = zm_dir($config_path . '/' . $file);
+                if (is_dir($file_path)) {
+                    // TODO: 支持子目录（待定）
+                    continue;
                 }
+
+                // 略过不应加载的文件
+                if (!$this->shouldLoadFile($file)) {
+                    continue;
+                }
+
+                // 略过加载顺序未知的文件
+                if (!in_array($load_type, self::LOAD_ORDER, true)) {
+                    continue;
+                }
+
+                // 将文件加入到对应的加载阶段
+                $stages[$load_type][] = $file_path;
+            }
+        }
+
+        // 按照加载顺序加载配置文件
+        foreach (self::LOAD_ORDER as $load_type) {
+            foreach ($stages[$load_type] as $file_path) {
+                logger()->info("加载配置文件：{$file_path}");
+                $this->loadConfigFromPath($file_path);
             }
         }
-        self::$config_meta_list[$name] = $list;
     }
 
     /**
-     * 根据不同的扩展类型读取配置文件数组
+     * 合并传入的配置数组至指定的配置项
+     *
+     * 请注意内部实现是 array_replace_recursive，而不是 array_merge
+     *
+     * @param string $key    目标配置项，必须为数组
+     * @param array  $config 要合并的配置数组
+     */
+    public function merge(string $key, array $config): void
+    {
+        $original = $this->get($key, []);
+        $this->set($key, array_replace_recursive($original, $config));
+    }
+
+    /**
+     * 获取配置项
+     *
+     * @param string $key     配置项名称，可使用.访问数组
+     * @param mixed  $default 默认值
+     *
+     * @return null|array|mixed
+     */
+    public function get(string $key, $default = null)
+    {
+        return $this->holder->get($key, $default);
+    }
+
+    /**
+     * 设置配置项
+     * 仅在本次运行期间生效，不会保存到配置文件中哦
+     *
+     * 如果传入的是数组，则会将键名作为配置项名称，并将值作为配置项的值
+     * 顺带一提，数组支持批量设置
+     *
+     * @param array|string $key   配置项名称，可使用.访问数组
+     * @param mixed        $value 要写入的值，传入 null 会进行删除
+     */
+    public function set($key, $value = null): void
+    {
+        $keys = is_array($key) ? $key : [$key => $value];
+        foreach ($keys as $i_key => $i_val) {
+            $this->holder->set($i_key, $i_val);
+        }
+    }
+
+    /**
+     * 获取内部配置容器
+     */
+    public function getHolder(): Config
+    {
+        return $this->holder;
+    }
+
+    /**
+     * 重载配置文件
+     * 运行期间新增的配置文件不会被加载哟~
      *
-     * @param  mixed|string    $filename 文件名
-     * @param  mixed|string    $ext_name 扩展名
      * @throws ConfigException
      */
-    private static function readConfigFromFile($filename, $ext_name): array
+    public function reload(): void
     {
-        logger()->debug('正加载配置文件 ' . $filename);
-        switch ($ext_name) {
-            case 'php':
-                $r = require $filename;
-                if (is_array($r)) {
-                    return $r;
-                }
-                throw new ConfigException('E00079', 'php配置文件include失败，请检查终端warning错误');
-            case 'json':
-            default:
-                $r = json_decode(file_get_contents($filename), true);
-                if (is_array($r)) {
-                    return $r;
-                }
-                throw new ConfigException('E00079', 'json反序列化失败，请检查文件内容');
+        $this->holder = new Config([]);
+        $this->loadFiles();
+    }
+
+    public function offsetExists($offset): bool
+    {
+        return $this->get($offset) !== null;
+    }
+
+    #[\ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        return $this->get($offset);
+    }
+
+    public function offsetSet($offset, $value): void
+    {
+        $this->set($offset, $value);
+    }
+
+    public function offsetUnset($offset): void
+    {
+        $this->set($offset, null);
+    }
+
+    /**
+     * 获取文件元信息
+     *
+     * @param string $name 文件名
+     *
+     * @return array 文件元信息，数组元素按次序为：配置组名/扩展名/加载类型/环境类型
+     */
+    private function getFileMeta(string $name): array
+    {
+        $basename = pathinfo($name, PATHINFO_BASENAME);
+        $parts = explode('.', $basename);
+        $ext = array_pop($parts);
+        $load_type = $this->getFileLoadType(implode('.', $parts));
+        if ($load_type === 'default') {
+            $env = null;
+        } else {
+            $env = array_pop($parts);
         }
+        $group = implode('.', $parts);
+        return [$group, $ext, $load_type, $env];
+    }
+
+    /**
+     * 获取文件加载类型
+     *
+     * @param string $name 文件名，不带扩展名
+     *
+     * @return string 可能为：default, environment, patch
+     */
+    private function getFileLoadType(string $name): string
+    {
+        // 传入此处的 name 参数有三种可能的格式：
+        // 1. 纯文件名：如 test，此时加载类型为 default
+        // 2. 文件名.环境：如 test.development，此时加载类型为 environment
+        // 3. 文件名.patch：如 test.patch，此时加载类型为 patch
+        // 至于其他的格式，则为未定义行为
+        if (strpos($name, '.') === false) {
+            return 'default';
+        }
+        $name_and_env = explode('.', $name);
+        if (count($name_and_env) !== 2) {
+            return 'undefined';
+        }
+        if ($name_and_env[1] === 'patch') {
+            return 'patch';
+        }
+        return 'environment';
+    }
+
+    /**
+     * 判断是否应该加载配置文件
+     *
+     * @param string $path 文件名，包含扩展名
+     */
+    private function shouldLoadFile(string $path): bool
+    {
+        $name = pathinfo($path, PATHINFO_FILENAME);
+        // 对于 `default` 和 `patch`，任何情况下均应加载
+        // 对于 `environment`，只有当环境与当前环境相同时才加载
+        // 对于其他情况，则不加载
+        $type = $this->getFileLoadType($name);
+        if ($type === 'default' || $type === 'patch') {
+            return true;
+        }
+        if ($type === 'environment') {
+            $name_and_env = explode('.', $name);
+            if ($name_and_env[1] === $this->environment) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 从传入的路径加载配置文件
+     *
+     * @param string $path 配置文件路径
+     *
+     * @throws ConfigException 传入的配置文件不支持
+     */
+    private function loadConfigFromPath(string $path): void
+    {
+        if (in_array($path, $this->loaded_files, true)) {
+            return;
+        }
+        $this->loaded_files[] = $path;
+
+        // 判断文件格式是否支持
+        [$group, $ext, $load_type, $env] = $this->getFileMeta($path);
+        if (!in_array($ext, self::ALLOWED_FILE_EXTENSIONS, true)) {
+            throw ConfigException::unsupportedFileType($path);
+        }
+
+        // 读取并解析配置
+        $content = file_get_contents($path);
+        $config = [];
+        switch ($ext) {
+            case 'php':
+                $config = require $path;
+                break;
+            case 'json':
+                try {
+                    $config = json_decode($content, true, 512, JSON_THROW_ON_ERROR);
+                } catch (\JsonException $e) {
+                    throw ConfigException::loadConfigFailed($path, $e->getMessage());
+                }
+                break;
+            case 'yaml':
+            case 'yml':
+                $yaml_parser_class = 'Symfony\Component\Yaml\Yaml';
+                if (!class_exists($yaml_parser_class)) {
+                    throw ConfigException::loadConfigFailed($path, 'YAML 解析器未安装');
+                }
+                try {
+                    $config = $yaml_parser_class::parse($content);
+                } catch (\RuntimeException $e) {
+                    throw ConfigException::loadConfigFailed($path, $e->getMessage());
+                }
+                break;
+            case 'toml':
+                $toml_parser_class = 'Yosymfony\Toml\Toml';
+                if (!class_exists($toml_parser_class)) {
+                    throw ConfigException::loadConfigFailed($path, 'TOML 解析器未安装');
+                }
+                try {
+                    $config = $toml_parser_class::parse($content);
+                } catch (\RuntimeException $e) {
+                    throw ConfigException::loadConfigFailed($path, $e->getMessage());
+                }
+                break;
+            default:
+                throw ConfigException::unsupportedFileType($path);
+        }
+
+        // 加入配置
+        $this->merge($group, $config);
     }
 }
diff --git a/src/ZM/Container/ContainerServicesProvider.php b/src/ZM/Container/ContainerServicesProvider.php
index 26a79e85..94d65d65 100644
--- a/src/ZM/Container/ContainerServicesProvider.php
+++ b/src/ZM/Container/ContainerServicesProvider.php
@@ -10,10 +10,8 @@ use OneBot\Driver\Event\Http\HttpRequestEvent;
 use OneBot\Driver\Process\ProcessManager;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Log\LoggerInterface;
-use ZM\Config\ZMConfig;
 use ZM\Context\Context;
 use ZM\Context\ContextInterface;
-use ZM\Exception\ConfigException;
 use ZM\Framework;
 
 class ContainerServicesProvider
@@ -29,8 +27,7 @@ class ContainerServicesProvider
      * connection: open, close, message
      * ```
      *
-     * @param  string          $scope 作用域
-     * @throws ConfigException
+     * @param string $scope 作用域
      */
     public function registerServices(string $scope, ...$params): void
     {
@@ -63,8 +60,6 @@ class ContainerServicesProvider
 
     /**
      * 注册全局服务
-     *
-     * @throws ConfigException
      */
     private function registerGlobalServices(ContainerInterface $container): void
     {
@@ -72,7 +67,7 @@ class ContainerServicesProvider
         $container->instance('path.working', WORKING_DIR);
         $container->instance('path.source', SOURCE_ROOT_DIR);
         $container->alias('path.source', 'path.base');
-        $container->instance('path.data', ZMConfig::get('global.data_dir'));
+        $container->instance('path.data', config('global.data_dir'));
         $container->instance('path.framework', FRAMEWORK_ROOT_DIR);
 
         // 注册worker和驱动
diff --git a/src/ZM/Event/Listener/MasterEventListener.php b/src/ZM/Event/Listener/MasterEventListener.php
index 6ecd585a..8e6be230 100644
--- a/src/ZM/Event/Listener/MasterEventListener.php
+++ b/src/ZM/Event/Listener/MasterEventListener.php
@@ -7,7 +7,6 @@ namespace ZM\Event\Listener;
 use OneBot\Driver\Workerman\Worker;
 use OneBot\Util\Singleton;
 use Swoole\Server;
-use ZM\Config\ZMConfig;
 use ZM\Exception\ZMKnownException;
 use ZM\Framework;
 use ZM\Process\ProcessStateManager;
@@ -27,7 +26,7 @@ class MasterEventListener
                     SignalListener::getInstance()->signalMaster();
                 }
                 ProcessStateManager::saveProcessState(ONEBOT_PROCESS_MASTER, $server->master_pid, [
-                    'stdout' => ZMConfig::get('global.swoole_options.swoole_set.log_file'),
+                    'stdout' => config('global.swoole_options.swoole_set.log_file'),
                     'daemon' => (bool) Framework::getInstance()->getArgv()['daemon'],
                 ]);
             });
diff --git a/src/ZM/Event/Listener/WorkerEventListener.php b/src/ZM/Event/Listener/WorkerEventListener.php
index 2ca083ef..2df8156b 100644
--- a/src/ZM/Event/Listener/WorkerEventListener.php
+++ b/src/ZM/Event/Listener/WorkerEventListener.php
@@ -11,7 +11,6 @@ use ZM\Annotation\AnnotationHandler;
 use ZM\Annotation\AnnotationMap;
 use ZM\Annotation\AnnotationParser;
 use ZM\Annotation\Framework\Init;
-use ZM\Config\ZMConfig;
 use ZM\Container\ContainerServicesProvider;
 use ZM\Exception\ConfigException;
 use ZM\Exception\ZMKnownException;
@@ -161,7 +160,7 @@ class WorkerEventListener
         }
 
         // 读取 MySQL 配置文件
-        $conf = ZMConfig::get('global.mysql');
+        $conf = config('global.mysql');
         if (is_array($conf) && !is_assoc_array($conf)) {
             // 如果有多个数据库连接，则遍历
             foreach ($conf as $conn_conf) {
diff --git a/src/ZM/Exception/ConfigException.php b/src/ZM/Exception/ConfigException.php
index d61d8f5e..369f2d93 100644
--- a/src/ZM/Exception/ConfigException.php
+++ b/src/ZM/Exception/ConfigException.php
@@ -8,8 +8,22 @@ use Throwable;
 
 class ConfigException extends ZMException
 {
+    public const UNSUPPORTED_FILE_TYPE = 'E00079';
+
+    public const LOAD_CONFIG_FAILED = 'E00080';
+
     public function __construct($err_code, $message = '', $code = 0, Throwable $previous = null)
     {
         parent::__construct(zm_internal_errcode($err_code) . $message, $code, $previous);
     }
+
+    public static function unsupportedFileType(string $file_path): ConfigException
+    {
+        return new self(self::UNSUPPORTED_FILE_TYPE, "不支持的配置文件类型：{$file_path}");
+    }
+
+    public static function loadConfigFailed(string $file_path, string $message): ConfigException
+    {
+        return new self(self::LOAD_CONFIG_FAILED, "加载配置文件失败：{$file_path}，{$message}");
+    }
 }
diff --git a/src/ZM/Framework.php b/src/ZM/Framework.php
index 73da85e4..af11cad8 100644
--- a/src/ZM/Framework.php
+++ b/src/ZM/Framework.php
@@ -19,7 +19,6 @@ use OneBot\Driver\Workerman\WorkermanDriver;
 use OneBot\Util\Singleton;
 use Phar;
 use ZM\Command\Server\ServerStartCommand;
-use ZM\Config\ZMConfig;
 use ZM\Event\EventProvider;
 use ZM\Event\Listener\HttpEventListener;
 use ZM\Event\Listener\ManagerEventListener;
@@ -189,8 +188,8 @@ class Framework
         }
         foreach ($find_dir as $v) {
             if (is_dir($v)) {
-                ZMConfig::setDirectory($v);
-                ZMConfig::setEnv($this->argv['env'] = $this->argv['env'] ?? 'development');
+                config()->addConfigPath($v);
+                config()->setEnvironment($this->argv['env'] = ($this->argv['env'] ?? 'development'));
                 $config_done = true;
                 break;
             }
@@ -214,7 +213,7 @@ class Framework
         $ob_event_provider = EventProvider::getInstance();
 
         // 初始化时区，默认为上海时区
-        date_default_timezone_set(ZMConfig::get('global.runtime.timezone'));
+        date_default_timezone_set(config('global.runtime.timezone'));
 
         // 注册全局错误处理器
         set_error_handler(static function ($error_no, $error_msg, $error_file, $error_line) {
@@ -251,20 +250,20 @@ class Framework
      */
     public function initDriver()
     {
-        switch ($driver = ZMConfig::get('global.driver')) {
+        switch ($driver = config('global.driver')) {
             case 'swoole':
                 if (DIRECTORY_SEPARATOR === '\\') {
                     logger()->emergency('Windows does not support swoole driver!');
                     exit(1);
                 }
-                ZMConfig::$config['global']['swoole_options']['driver_init_policy'] = DriverInitPolicy::MULTI_PROCESS_INIT_IN_MASTER;
-                $this->driver = new SwooleDriver(ZMConfig::get('global.swoole_options'));
-                $this->driver->initDriverProtocols(ZMConfig::get('global.servers'));
+                config(['global.swoole_options.driver_init_policy' => DriverInitPolicy::MULTI_PROCESS_INIT_IN_MASTER]);
+                $this->driver = new SwooleDriver(config('global.swoole_options'));
+                $this->driver->initDriverProtocols(config('global.servers'));
                 break;
             case 'workerman':
-                ZMConfig::$config['global']['workerman_options']['driver_init_policy'] = DriverInitPolicy::MULTI_PROCESS_INIT_IN_MASTER;
-                $this->driver = new WorkermanDriver(ZMConfig::get('global.workerman_options'));
-                $this->driver->initDriverProtocols(ZMConfig::get('global.servers'));
+                config(['global.workerman_options.driver_init_policy' => DriverInitPolicy::MULTI_PROCESS_INIT_IN_MASTER]);
+                $this->driver = new WorkermanDriver(config('global.workerman_options'));
+                $this->driver->initDriverProtocols(config('global.servers'));
                 break;
             default:
                 logger()->error(zm_internal_errcode('E00081') . '未知的驱动类型 ' . $driver . ' !');
@@ -327,9 +326,9 @@ class Framework
         // 打印环境信息
         $properties['environment'] = $this->argv['env'];
         // 打印驱动
-        $properties['driver'] = ZMConfig::get('global.driver');
+        $properties['driver'] = config('global.driver');
         // 打印logger显示等级
-        $properties['log_level'] = $this->argv['log-level'] ?? ZMConfig::get('global', 'log_level') ?? 'info';
+        $properties['log_level'] = $this->argv['log-level'] ?? config('global.log_level') ?? 'info';
         // 打印框架版本
         $properties['version'] = self::VERSION . (LOAD_MODE === 0 ? (' (build ' . ZM_VERSION_ID . ')') : '');
         // 打印 PHP 版本
@@ -342,8 +341,8 @@ class Framework
         if ($this->driver->getName() === 'swoole') {
             $properties['process_mode'] = 'MST1';
             ProcessStateManager::$process_mode['master'] = 1;
-            if (ZMConfig::get('global.swoole_options.swoole_server_mode') === SWOOLE_BASE) {
-                $worker_num = ZMConfig::get('global.swoole_options.swoole_set.worker_num');
+            if (config('global.swoole_options.swoole_server_mode') === SWOOLE_BASE) {
+                $worker_num = config('global.swoole_options.swoole_set.worker_num');
                 if ($worker_num === null || $worker_num === 1) {
                     $properties['process_mode'] .= 'MAN0#0';
                     ProcessStateManager::$process_mode['manager'] = 0;
@@ -353,12 +352,12 @@ class Framework
                     ProcessStateManager::$process_mode['manager'] = 0;
                     ProcessStateManager::$process_mode['worker'] = swoole_cpu_num();
                 } else {
-                    $properties['process_mode'] .= 'MAN0#' . ($worker = ZMConfig::get('global.swoole_options.swoole_set.worker_num') ?? swoole_cpu_num());
+                    $properties['process_mode'] .= 'MAN0#' . ($worker = config('global.swoole_options.swoole_set.worker_num') ?? swoole_cpu_num());
                     ProcessStateManager::$process_mode['manager'] = 0;
                     ProcessStateManager::$process_mode['worker'] = $worker;
                 }
             } else {
-                $worker = ZMConfig::get('global.swoole_options.swoole_set.worker_num') === 0 ? swoole_cpu_num() : ZMConfig::get('global.swoole_options.swoole_set.worker_num') ?? swoole_cpu_num();
+                $worker = config('global.swoole_options.swoole_set.worker_num') === 0 ? swoole_cpu_num() : config('global.swoole_options.swoole_set.worker_num') ?? swoole_cpu_num();
                 $properties['process_mode'] .= 'MAN1#' . $worker;
                 ProcessStateManager::$process_mode['manager'] = 1;
                 ProcessStateManager::$process_mode['worker'] = $worker;
@@ -366,7 +365,7 @@ class Framework
         } elseif ($this->driver->getName() === 'workerman') {
             $properties['process_mode'] = 'MST1';
             ProcessStateManager::$process_mode['master'] = 1;
-            $worker_num = ZMConfig::get('global.workerman_options.workerman_worker_num');
+            $worker_num = config('global.workerman_options.workerman_worker_num');
             if (DIRECTORY_SEPARATOR === '\\') {
                 $properties['process_mode'] .= '#0';
                 ProcessStateManager::$process_mode['manager'] = 0;
@@ -379,17 +378,17 @@ class Framework
             }
         }
         // 打印监听端口
-        foreach (ZMConfig::get('global.servers') as $k => $v) {
+        foreach (config('global.servers') as $k => $v) {
             $properties['listen_' . $k] = $v['type'] . '://' . $v['host'] . ':' . $v['port'];
         }
         // 打印 MySQL 连接信息
-        if ((ZMConfig::get('global.mysql_config.host') ?? '') !== '') {
-            $conf = ZMConfig::get('global', 'mysql_config');
+        if ((config('global.mysql_config.host') ?? '') !== '') {
+            $conf = config('global', 'mysql_config');
             $properties['mysql'] = $conf['dbname'] . '@' . $conf['host'] . ':' . $conf['port'];
         }
         // 打印 Redis 连接信息
-        if ((ZMConfig::get('global', 'redis_config')['host'] ?? '') !== '') {
-            $conf = ZMConfig::get('global', 'redis_config');
+        if ((config('global', 'redis_config')['host'] ?? '') !== '') {
+            $conf = config('global', 'redis_config');
             $properties['redis_pool'] = $conf['host'] . ':' . $conf['port'];
         }
 
@@ -480,14 +479,14 @@ class Framework
             }
             switch ($x) {
                 case 'driver':      // 动态设置驱动类型
-                    ZMConfig::$config['global']['driver'] = $y;
+                    config()['global']['driver'] = $y;
                     break;
                 case 'worker-num':  // 动态设置 Worker 数量
-                    ZMConfig::$config['global']['swoole_options']['swoole_set']['worker_num'] = intval($y);
-                    ZMConfig::$config['global']['workerman_options']['workerman_worker_num'] = intval($y);
+                    config()['global']['swoole_options']['swoole_set']['worker_num'] = intval($y);
+                    config()['global']['workerman_options']['workerman_worker_num'] = intval($y);
                     break;
                 case 'daemon':      // 启动为守护进程
-                    ZMConfig::$config['global']['swoole_options']['swoole_set']['daemonize'] = 1;
+                    config()['global']['swoole_options']['swoole_set']['daemonize'] = 1;
                     Worker::$daemonize = true;
                     break;
             }
diff --git a/src/ZM/InstantApplication.php b/src/ZM/InstantApplication.php
index 6076aee1..74c4e703 100644
--- a/src/ZM/InstantApplication.php
+++ b/src/ZM/InstantApplication.php
@@ -6,7 +6,6 @@ namespace ZM;
 
 use Exception;
 use ZM\Command\Server\ServerStartCommand;
-use ZM\Config\ZMConfig;
 use ZM\Exception\InitException;
 use ZM\Plugin\InstantPlugin;
 
@@ -40,7 +39,7 @@ class InstantApplication extends InstantPlugin
 
     public function withArgs(array $args): InstantApplication
     {
-        $this->args = ZMConfig::smartPatch($this->args, $args);
+        $this->args = array_replace_recursive($this->args, $args);
         return $this;
     }
 
diff --git a/src/ZM/Store/MySQL/MySQLDriver.php b/src/ZM/Store/MySQL/MySQLDriver.php
index 2205248e..68815d0b 100644
--- a/src/ZM/Store/MySQL/MySQLDriver.php
+++ b/src/ZM/Store/MySQL/MySQLDriver.php
@@ -7,7 +7,6 @@ namespace ZM\Store\MySQL;
 use Doctrine\DBAL\Driver as DoctrineDriver;
 use Doctrine\DBAL\Platforms\MySqlPlatform;
 use Doctrine\DBAL\Schema\MySqlSchemaManager;
-use ZM\Config\ZMConfig;
 
 class MySQLDriver implements DoctrineDriver
 {
@@ -34,7 +33,7 @@ class MySQLDriver implements DoctrineDriver
 
     public function getDatabase($conn)
     {
-        $conf = ZMConfig::get('global.mysql');
+        $conf = config('global.mysql');
 
         if ($conn instanceof MySQLConnection) {
             foreach ($conf as $v) {
diff --git a/src/ZM/Utils/HttpUtil.php b/src/ZM/Utils/HttpUtil.php
index d10d0a64..df651c88 100644
--- a/src/ZM/Utils/HttpUtil.php
+++ b/src/ZM/Utils/HttpUtil.php
@@ -13,7 +13,6 @@ use Symfony\Component\Routing\Exception\ResourceNotFoundException;
 use Symfony\Component\Routing\Matcher\UrlMatcher;
 use Symfony\Component\Routing\RequestContext;
 use Symfony\Component\Routing\RouteCollection;
-use ZM\Config\ZMConfig;
 use ZM\Exception\ConfigException;
 use ZM\Store\FileSystem;
 
@@ -80,13 +79,13 @@ class HttpUtil
     public static function handleStaticPage(string $uri, array $settings = []): ResponseInterface
     {
         // 确定根目录
-        $base_dir = $settings['document_root'] ?? ZMConfig::get('global.file_server.document_root');
+        $base_dir = $settings['document_root'] ?? config('global.file_server.document_root');
         // 将相对路径转换为绝对路径
         if (FileSystem::isRelativePath($base_dir)) {
             $base_dir = SOURCE_ROOT_DIR . '/' . $base_dir;
         }
         // 支持默认缺省搜索的文件名（如index.html）
-        $base_index = $settings['document_index'] ?? ZMConfig::get('global.file_server.document_index');
+        $base_index = $settings['document_index'] ?? config('global.file_server.document_index');
         if (is_string($base_index)) {
             $base_index = [$base_index];
         }
@@ -110,7 +109,7 @@ class HttpUtil
                         logger()->info('[200] ' . $uri);
                         $exp = strtolower(pathinfo($path . $vp)['extension'] ?? 'unknown');
                         return HttpFactory::getInstance()->createResponse()
-                            ->withAddedHeader('Content-Type', ZMConfig::get('file_header')[$exp] ?? 'application/octet-stream')
+                            ->withAddedHeader('Content-Type', config('file_header')[$exp] ?? 'application/octet-stream')
                             ->withBody(HttpFactory::getInstance()->createStream(file_get_contents($path . '/' . $vp)));
                     }
                 }
@@ -119,7 +118,7 @@ class HttpUtil
                 logger()->info('[200] ' . $uri);
                 $exp = strtolower(pathinfo($path)['extension'] ?? 'unknown');
                 return HttpFactory::getInstance()->createResponse()
-                    ->withAddedHeader('Content-Type', ZMConfig::get('file_header')[$exp] ?? 'application/octet-stream')
+                    ->withAddedHeader('Content-Type', config('file_header')[$exp] ?? 'application/octet-stream')
                     ->withBody(HttpFactory::getInstance()->createStream(file_get_contents($path)));
             }
         }
@@ -136,14 +135,14 @@ class HttpUtil
     public static function handleHttpCodePage(int $code): ResponseInterface
     {
         // 获取有没有规定 code page
-        $code_page = ZMConfig::get('global.file_server.document_code_page')[$code] ?? null;
-        if ($code_page !== null && !file_exists((ZMConfig::get('global.file_server.document_root') ?? '/not/exist/') . '/' . $code_page)) {
+        $code_page = config('global.file_server.document_code_page')[$code] ?? null;
+        if ($code_page !== null && !file_exists((config('global.file_server.document_root') ?? '/not/exist/') . '/' . $code_page)) {
             $code_page = null;
         }
         if ($code_page === null) {
             return HttpFactory::getInstance()->createResponse($code);
         }
-        return HttpFactory::getInstance()->createResponse($code, null, [], file_get_contents(ZMConfig::get('global.file_server.document_root') . '/' . $code_page));
+        return HttpFactory::getInstance()->createResponse($code, null, [], file_get_contents(config('global.file_server.document_root') . '/' . $code_page));
     }
 
     /**
diff --git a/src/ZM/Utils/ReflectionUtil.php b/src/ZM/Utils/ReflectionUtil.php
index 34a288a7..b3632e3f 100644
--- a/src/ZM/Utils/ReflectionUtil.php
+++ b/src/ZM/Utils/ReflectionUtil.php
@@ -120,4 +120,21 @@ class ReflectionUtil
             ? new ReflectionMethod($callback[0], $callback[1])
             : new ReflectionFunction($callback);
     }
+
+    /**
+     * 获取传入的类方法，并确保其可访问
+     *
+     * 请不要滥用此方法！！！
+     *
+     * @param  string              $class  类名
+     * @param  string              $method 方法名
+     * @throws ReflectionException
+     */
+    public static function getMethod(string $class, string $method): ReflectionMethod
+    {
+        $class = new \ReflectionClass($class);
+        $method = $class->getMethod($method);
+        $method->setAccessible(true);
+        return $method;
+    }
 }
diff --git a/tests/ZM/Config/ZMConfigTest.php b/tests/ZM/Config/ZMConfigTest.php
new file mode 100644
index 00000000..a2ca06fa
--- /dev/null
+++ b/tests/ZM/Config/ZMConfigTest.php
@@ -0,0 +1,171 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\ZM\Config;
+
+use PHPUnit\Framework\TestCase;
+use ZM\Config\ZMConfig;
+use ZM\Utils\ReflectionUtil;
+
+/**
+ * @internal
+ */
+class ZMConfigTest extends TestCase
+{
+    private static ZMConfig $config;
+
+    public static function setUpBeforeClass(): void
+    {
+        $mock_dir = __DIR__ . '/config_mock';
+        if (!is_dir($mock_dir)) {
+            mkdir($mock_dir, 0755, true);
+        }
+
+        $test_config = [
+            'foo' => 'bar',
+            'bar' => 'baz',
+            'baz' => 'bat',
+            'null' => null,
+            'boolean' => true,
+            'associate' => [
+                'x' => 'xxx',
+                'y' => 'yyy',
+            ],
+            'array' => [
+                'aaa',
+                'zzz',
+            ],
+            'x' => [
+                'z' => 'zoo',
+            ],
+            'a.b' => 'c',
+            'a' => [
+                'b.c' => 'd',
+            ],
+            'default' => 'yes',
+            'another array' => [
+                'foo', 'bar',
+            ],
+        ];
+
+        // 下方测试需要临时写入的文件
+        file_put_contents($mock_dir . '/test.php', '<?php return ' . var_export($test_config, true) . ';');
+        file_put_contents(
+            $mock_dir . '/test.development.php',
+            '<?php return ["environment" => "yes", "env" => "development"];'
+        );
+        file_put_contents(
+            $mock_dir . '/test.production.php',
+            '<?php return ["environment" => "yes", "env" => "production"];'
+        );
+        file_put_contents(
+            $mock_dir . '/test.patch.php',
+            '<?php return ["patch" => "yes", "another array" => ["far", "baz"]];'
+        );
+
+        $config = new ZMConfig([
+            __DIR__ . '/config_mock',
+        ], 'development');
+        self::$config = $config;
+    }
+
+    public static function tearDownAfterClass(): void
+    {
+        foreach (scandir(__DIR__ . '/config_mock') as $file) {
+            if ($file !== '.' && $file !== '..') {
+                unlink(__DIR__ . '/config_mock/' . $file);
+            }
+        }
+        rmdir(__DIR__ . '/config_mock');
+    }
+
+    public function testGetValueWhenKeyContainsDot(): void
+    {
+        $this->markTestSkipped('should it be supported?');
+        $this->assertEquals('c', self::$config->get('test.a.b'));
+        $this->assertEquals('d', self::$config->get('test.a.b.c'));
+    }
+
+    public function testGetBooleanValue(): void
+    {
+        $this->assertTrue(self::$config->get('test.boolean'));
+    }
+
+    /**
+     * @dataProvider providerTestGetValue
+     * @param mixed $expected
+     */
+    public function testGetValue(string $key, $expected): void
+    {
+        $this->assertSame($expected, self::$config->get($key));
+    }
+
+    public function providerTestGetValue(): array
+    {
+        return [
+            'null' => ['test.null', null],
+            'boolean' => ['test.boolean', true],
+            'associate' => ['test.associate', ['x' => 'xxx', 'y' => 'yyy']],
+            'array' => ['test.array', ['aaa', 'zzz']],
+            'dot access' => ['test.x.z', 'zoo'],
+        ];
+    }
+
+    public function testGetWithDefault(): void
+    {
+        $this->assertSame('default', self::$config->get('not_exist', 'default'));
+    }
+
+    public function testSetValue(): void
+    {
+        self::$config->set('key', 'value');
+        $this->assertSame('value', self::$config->get('key'));
+    }
+
+    public function testSetArrayValue(): void
+    {
+        self::$config->set('array', ['a', 'b']);
+        $this->assertSame(['a', 'b'], self::$config->get('array'));
+        $this->assertSame('a', self::$config->get('array.0'));
+    }
+
+    public function testGetEnvironmentSpecifiedValue(): void
+    {
+        $this->assertSame('yes', self::$config->get('test.environment'));
+        $this->assertSame('development', self::$config->get('test.env'));
+    }
+
+    public function testGetPatchSpecifiedValue(): void
+    {
+        $this->assertSame('yes', self::$config->get('test.patch'));
+    }
+
+    /**
+     * @dataProvider providerTestGetFileLoadType
+     */
+    public function testGetFileLoadType(string $name, string $type): void
+    {
+        $method = ReflectionUtil::getMethod(ZMConfig::class, 'getFileLoadType');
+        $actual = $method->invokeArgs(self::$config, [$name]);
+        $this->assertSame($type, $actual);
+    }
+
+    public function providerTestGetFileLoadType(): array
+    {
+        return [
+            'default' => ['test', 'default'],
+            'environment' => ['test.development', 'environment'],
+            'patch' => ['test.patch', 'patch'],
+            // complex case are not supported yet
+            'invalid' => ['test.patch.development', 'undefined'],
+        ];
+    }
+
+    public function testArrayReplaceInsteadOfMerge(): void
+    {
+        // using of space inside config key is not an officially supported feature,
+        // it may be removed in the future, please avoid using it in your project.
+        $this->assertSame(['far', 'baz'], self::$config->get('test.another array'));
+    }
+}
diff --git a/tests_old/ZM/Config/ZMConfigTest.php b/tests_old/ZM/Config/ZMConfigTest.php
deleted file mode 100644
index 477c286c..00000000
--- a/tests_old/ZM/Config/ZMConfigTest.php
+++ /dev/null
@@ -1,164 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Tests\ZM\Config;
-
-use PHPUnit\Framework\TestCase;
-use ZM\Config\ZMConfig;
-use ZM\Console\Console;
-use ZM\Exception\ConfigException;
-use ZM\Utils\DataProvider;
-
-/**
- * @internal
- */
-class ZMConfigTest extends TestCase
-{
-    public static function setUpBeforeClass(): void
-    {
-        $mock_dir = __DIR__ . '/config_mock';
-        ZMConfig::reload();
-        ZMConfig::setDirectory(__DIR__ . '/config_mock');
-        if (!is_dir($mock_dir)) {
-            mkdir($mock_dir, 0755, true);
-        }
-        // 下方测试需要临时写入的文件
-        file_put_contents($mock_dir . '/global.patch.php', '<?php return ["port" => 30055];');
-        file_put_contents($mock_dir . '/php_exception.php', '<?php return true;');
-        file_put_contents($mock_dir . '/json_exception.json', '"string"');
-        file_put_contents($mock_dir . '/global.development.patch.php', '<?php return ["port" => 30055];');
-        file_put_contents($mock_dir . '/global.invalid.development.php', '<?php return ["port" => 30055];');
-        file_put_contents($mock_dir . '/fake.development.json', '{"multi":{"level":"test"}}');
-        file_put_contents($mock_dir . '/no_main_only_patch.patch.json', '{"multi":{"level":"test"}}');
-    }
-
-    public static function tearDownAfterClass(): void
-    {
-        ZMConfig::reload();
-        ZMConfig::restoreDirectory();
-        foreach (DataProvider::scanDirFiles(__DIR__ . '/config_mock', true, false) as $file) {
-            unlink($file);
-        }
-        rmdir(__DIR__ . '/config_mock');
-    }
-
-    /**
-     * @throws ConfigException
-     */
-    public function testReload()
-    {
-        $this->markTestIncomplete('logger level change in need');
-        $this->expectOutputRegex('/没读取过，正在从文件加载/');
-        $this->assertEquals('0.0.0.0', ZMConfig::get('global.host'));
-        ZMConfig::reload();
-        Console::setLevel(4);
-        $this->assertEquals('0.0.0.0', ZMConfig::get('global.host'));
-        Console::setLevel(0);
-    }
-
-    public function testSetAndRestoreDirectory()
-    {
-        $origin = ZMConfig::getDirectory();
-        ZMConfig::setDirectory('.');
-        $this->assertEquals('.', ZMConfig::getDirectory());
-        ZMConfig::restoreDirectory();
-        $this->assertEquals($origin, ZMConfig::getDirectory());
-    }
-
-    public function testSetAndGetEnv()
-    {
-        $this->expectException(ConfigException::class);
-        ZMConfig::setEnv('production');
-        $this->assertEquals('production', ZMConfig::getEnv());
-        ZMConfig::setEnv();
-        ZMConfig::setEnv('reee');
-    }
-
-    /**
-     * @dataProvider providerTestGet
-     * @param  mixed           $expected
-     * @throws ConfigException
-     */
-    public function testGet(array $data_params, $expected)
-    {
-        $this->assertEquals($expected, ZMConfig::get(...$data_params));
-    }
-
-    public function providerTestGet(): array
-    {
-        return [
-            'get port' => [['global.port'], 30055],
-            'get port key 2' => [['global', 'port'], 30055],
-            'get invalid key' => [['global', 'invalid'], null],
-            'get another environment' => [['fake.multi.level'], 'test'],
-        ];
-    }
-
-    public function testGetPhpException()
-    {
-        $this->expectException(ConfigException::class);
-        ZMConfig::get('php_exception');
-    }
-
-    public function testGetJsonException()
-    {
-        $this->expectException(ConfigException::class);
-        ZMConfig::get('json_exception');
-    }
-
-    public function testOnlyPatchException()
-    {
-        $this->expectException(ConfigException::class);
-        ZMConfig::get('no_main_only_patch.test');
-    }
-
-    public function testSmartPatch()
-    {
-        $array = [
-            'key-1-1' => 'value-1-1',
-            'key-1-2' => [
-                'key-2-1' => [
-                    'key-3-1' => [
-                        'value-3-1',
-                        'value-3-2',
-                    ],
-                ],
-            ],
-            'key-1-3' => [
-                'key-4-1' => 'value-4-1',
-            ],
-        ];
-        $patch = [
-            'key-1-2' => [
-                'key-2-1' => [
-                    'key-3-1' => [
-                        'value-3-3',
-                    ],
-                ],
-            ],
-            'key-1-3' => [
-                'key-4-2' => [
-                    'key-5-1' => 'value-5-1',
-                ],
-            ],
-        ];
-        $expected = [
-            'key-1-1' => 'value-1-1',
-            'key-1-2' => [
-                'key-2-1' => [
-                    'key-3-1' => [
-                        'value-3-3',
-                    ],
-                ],
-            ],
-            'key-1-3' => [
-                'key-4-1' => 'value-4-1',
-                'key-4-2' => [
-                    'key-5-1' => 'value-5-1',
-                ],
-            ],
-        ];
-        $this->assertEquals($expected, ZMConfig::smartPatch($array, $patch));
-    }
-}