diff --git a/src/Services/Sp/Slo.php b/src/Services/Sp/Slo.php
index ad8cf74..7b41672 100644
--- a/src/Services/Sp/Slo.php
+++ b/src/Services/Sp/Slo.php
@@ -37,22 +37,28 @@ class Slo
         private readonly RequestInterface $request,
         private readonly ResponseInterface $response,
         private readonly AuthenticationInterface $authentication,
-        private readonly Redis $redis
+        private readonly Redis $redis,
     ) {
     }
 
     /**
      * 重定向方式退出单点登录
      *
-     * @param string $uid
-     * @param string $originToken
+     * @param string      $uid
+     * @param string      $originToken
+     * @param string|null $idpId
+     * @param string|null $entityId
      *
      * @return PsrResponseInterface
      */
-    public function redirect(string $uid, string $originToken): PsrResponseInterface
-    {
-        $idpId = config('saml.server.idp_logout_url');
-        $issuer = config('saml.client.entity_id');
+    public function redirect(
+        string $uid,
+        string $originToken,
+        ?string $entityId = null,
+        ?string $idpId = null,
+    ): PsrResponseInterface {
+        $idpId ??= config('saml.server.idp_logout_url');
+        $entityId ??= config('saml.client.entity_id');
         $this->authentication->invalidByToken();
 
         $relayState = $this->request->query('RelayState', '');
@@ -61,7 +67,7 @@ class Slo
             uid: $uid,
             token: $originToken,
             idpID: $idpId,
-            issuer: $issuer,
+            issuer: $entityId,
             relayState: $relayState
         );
 
diff --git a/src/Services/Sp/Sso.php b/src/Services/Sp/Sso.php
index 5766bf3..362c26c 100644
--- a/src/Services/Sp/Sso.php
+++ b/src/Services/Sp/Sso.php
@@ -36,36 +36,37 @@ use function Hyperf\Config\config;
  */
 class Sso
 {
-    private string $idpId;
-    private string $idpAssertionUrl;
-    private string $acsUrl;
-    private string $issuer;
-
     public function __construct(
         private readonly Base $base,
         private readonly RequestInterface $request,
         private readonly ResponseInterface $response,
-        private readonly Redis $redis,
-        private readonly StdoutLoggerInterface $stdoutLogger
+        private readonly StdoutLoggerInterface $stdoutLogger,
+        private readonly ?Redis $redis,
     ) {
-        $this->idpId = config('saml.server.idp_id');
-        $this->idpAssertionUrl = config('saml.server.idp_assertion_url');
-
-        $this->issuer = config('saml.client.entity_id');
-        $this->acsUrl = config('saml.client.acs_url');
     }
 
     /**
      * 自动重定向获取用户登录状态
      *
+     * @param string|null $entityId
+     * @param string|null $acsUrl
+     * @param string|null $idpAssertionUrl
+     *
      * @return PsrResponseInterface
      */
-    public function redirectSsoStatus(): PsrResponseInterface
-    {
+    public function redirectSsoStatus(
+        ?string $entityId = null,
+        ?string $acsUrl = null,
+        ?string $idpAssertionUrl = null,
+    ): PsrResponseInterface {
+        $idpAssertionUrl ??= config('saml.server.idp_assertion_url');
+
+        $entityId ??= config('saml.client.entity_id');
+        $acsUrl ??= config('saml.client.acs_url');
         $url = $this->base->createSamlRequest(
-            idpID: $this->idpAssertionUrl,
-            acsUrl: $this->acsUrl,
-            issuer: $this->issuer,
+            idpID: $idpAssertionUrl,
+            acsUrl: $acsUrl,
+            issuer: $entityId,
         );
         return $this->response->redirect($url, RFC7231::FOUND);
     }
@@ -73,17 +74,31 @@ class Sso
     /**
      * 自动重定向到单点登录
      *
+     * @param string|null $entityId
+     * @param string|null $acsUrl
+     * @param string|null $idpId
+     *
      * @return PsrResponseInterface
      */
-    public function redirectSso(): PsrResponseInterface
-    {
-        $language = $this->request->query('language') ?? config('language') ?? 'zh_CN';
+    public function redirectSso(
+        ?string $entityId = null,
+        ?string $acsUrl = null,
+        ?string $idpId = null,
+    ): PsrResponseInterface {
+        $idpId ??= config('saml.server.idp_id');
+
+        $entityId ??= config('saml.client.entity_id');
+        $acsUrl ??= config('saml.client.acs_url');
+        $language = $this->request->query(
+            'language',
+            config('translation.locale') ?? 'en'
+        );
         $relayState = $this->request->query('RelayState', '/');
 
         $url = $this->base->createSamlRequest(
-            idpID: $this->idpId,
-            acsUrl: $this->acsUrl,
-            issuer: $this->issuer,
+            idpID: $idpId,
+            acsUrl: $acsUrl,
+            issuer: $entityId,
             relayState: $relayState,
             exactArguments: [
                 'language' => $language,