diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0d6bfa..3c34d59 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## v1.0.3
+
+### added
+
+- feat: 增加 `InvalidConfigException`(!4)
+
 ## v1.0.2
 
 ### changed
diff --git a/src/Exception/Exception.php b/src/Exception/Exception.php
index 14612e2..71a948e 100644
--- a/src/Exception/Exception.php
+++ b/src/Exception/Exception.php
@@ -53,6 +53,11 @@ class Exception extends \Exception
 
     public const RESPONSE_EMPTY = 9303;
 
+    /**
+     * 关于配置.
+     */
+    public const CONFIG_ERROR = 9400;
+
     public mixed $extra;
 
     public function __construct(string $message = '未知异常', int $code = self::UNKNOWN_ERROR, mixed $extra = null, ?Throwable $previous = null)
diff --git a/src/Exception/InvalidConfigException.php b/src/Exception/InvalidConfigException.php
new file mode 100644
index 0000000..576d351
--- /dev/null
+++ b/src/Exception/InvalidConfigException.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yansongda\Artful\Exception;
+
+use Throwable;
+
+class InvalidConfigException extends Exception
+{
+    public function __construct(int $code = self::CONFIG_ERROR, string $message = '配置异常', mixed $extra = null, ?Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $extra, $previous);
+    }
+}