diff --git a/auth/linkedin/function.php b/auth/linkedin/function.php
index f5070ab..a74ad3a 100644
--- a/auth/linkedin/function.php
+++ b/auth/linkedin/function.php
@@ -10,9 +10,12 @@ register_shutdown_function('shutdown');
 
 function shutdown()
 {
-    echo '<pre>';
-    print_r(error_get_last());
-    echo '</pre>';
+    $error = error_get_last();
+    if ($error) {
+        echo '<pre>';
+        print_r($error);
+        echo '</pre>';
+    }
 }
 
 function dump($data)
diff --git a/auth/linkedin/index.php b/auth/linkedin/index.php
index 62ccf53..d094165 100644
--- a/auth/linkedin/index.php
+++ b/auth/linkedin/index.php
@@ -6,7 +6,7 @@
  * Time: 15:17
  */
 
-require_once"./function.php";
+require_once "./function.php";
 
 // get_code_url = "https://www.linkedin.com/oauth/v2/authorization?response_type=code&client_id=81cc4t9fuu9bpu&redirect_uri=https%3A%2F%2Ffengyuexingzi.top%2Fauth%2Flinkedin&state=Wf6tYXQ7y86iRulBOC%2FUXraHneM%3D&scope=r_fullprofile%20r_emailaddress%20w_share";
 
@@ -38,3 +38,5 @@ $url = getCodeUrl();
 $html = <<<EOF
 <a href="${url}">获取授权</a>
 EOF;
+
+echo $html;