diff --git a/composer.json b/composer.json
index 046303f..3130ee8 100644
--- a/composer.json
+++ b/composer.json
@@ -20,8 +20,11 @@
     "require": {
         "php": "~8.0",
         "hyperf/config": "^2.2",
+        "hyperf/constants": "^2.2",
         "hyperf/di": "2.2.*",
         "hyperf/http-server": "2.2.*",
+        "hyperf/translation": "^2.2",
+        "hyperf/validation": "^2.2",
         "lightsaml/lightsaml": "^2.1",
         "teapot/status-code": "^1.1"
     },
diff --git a/publish/languages/en/saml_error.php b/publish/languages/en/saml_error.php
new file mode 100644
index 0000000..bbea9b9
--- /dev/null
+++ b/publish/languages/en/saml_error.php
@@ -0,0 +1,16 @@
+<?php
+/**
+ * saml_error.php@HyperfSaml
+ *
+ * @author 李东云<dongyun.li@luxcreo.cn>
+ * Powered by PhpStorm
+ * Created on 2022/4/25
+ */
+
+return [
+    'default' => 'SAML format error',
+    'params' => [
+        'default' => 'SAML parameters missing',
+        'saml_request' => 'SAMLRequest is required',
+    ],
+];
\ No newline at end of file
diff --git a/publish/languages/zh_CN/saml_error.php b/publish/languages/zh_CN/saml_error.php
new file mode 100644
index 0000000..0cd82a7
--- /dev/null
+++ b/publish/languages/zh_CN/saml_error.php
@@ -0,0 +1,16 @@
+<?php
+/**
+ * saml_error.php@HyperfSaml
+ *
+ * @author 李东云<dongyun.li@luxcreo.cn>
+ * Powered by PhpStorm
+ * Created on 2022/4/25
+ */
+
+return [
+    'default' => 'SAML 检验失败',
+    'params' => [
+        'default' => 'SAML 参数校验失败',
+        'saml_request' => 'SAMLRequest 参数不能为空',
+    ],
+];
\ No newline at end of file
diff --git a/src/ConfigProvider.php b/src/ConfigProvider.php
index 8361055..b4a7ffa 100644
--- a/src/ConfigProvider.php
+++ b/src/ConfigProvider.php
@@ -41,7 +41,19 @@ class ConfigProvider
                     // 建议默认配置放在 publish 文件夹中，文件命名和组件名称相同
                     'source' => __DIR__ . '/../publish/saml.php',  // 对应的配置文件路径
                     'destination' => BASE_PATH . '/config/autoload/saml.php', // 复制为这个路径下的该文件
-                ]
+                ],
+                [
+                    'id' => 'languages_cn',
+                    'description' => 'The SAML error message for Chinese',
+                    'source' => __DIR__ . '/../publish/languages/zh_CN/saml_error.php',
+                    'destination' => BASE_PATH . '/storage/languages/zh_CN/saml_error.php'
+                ],
+                [
+                    'id' => 'languages_en',
+                    'description' => 'The SAML error message for English',
+                    'source' => __DIR__ . '/../publish/languages/en/saml_error.php',
+                    'destination' => BASE_PATH . '/storage/languages/en/saml_error.php'
+                ],
             ],
         ];
     }
diff --git a/src/Constants/SamlErrorCode.php b/src/Constants/SamlErrorCode.php
new file mode 100644
index 0000000..7f9d50d
--- /dev/null
+++ b/src/Constants/SamlErrorCode.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * SamlErrorCode.php@HyperfSaml
+ *
+ * @author 李东云<dongyun.li@luxcreo.cn>
+ * Powered by PhpStorm
+ * Created on 2022/4/25
+ */
+
+namespace Singularity\HyperfSaml\Constants;
+
+use Hyperf\Constants\AbstractConstants;
+
+/**
+ * SAML 相关错误码
+ * Singularity\HyperfSaml\Constants\SamlErrorCode@HyperfSaml
+ *
+ * @author 李东云<dongyun.li@luxcreo.cn>
+ * Powered by PhpStorm
+ * Created on 2022/4/25
+ */
+class SamlErrorCode extends AbstractConstants
+{
+    
+    // 203 SAML 鉴权
+    /**
+     * @Message("saml_error.auth.saml.default")
+     */
+    public const AUTH_SAML_ERROR = 203000;
+    
+    // 20301 验证
+    /**
+     * @Message("saml_error.auth.saml.params.default")
+     */
+    public const AUTH_SAML_REQUEST_PARAMS_ERROR = 2030100;
+    
+    /**
+     * @Message("saml_error.auth.saml.params.saml_request")
+     */
+    public const AUTH_SAML_REQUEST_PARAMS_SAML_REQUEST = 2030101;
+    
+}
\ No newline at end of file