diff --git a/src/Backend.php b/src/Backend.php
index e41734f..496029a 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -30,7 +30,6 @@ class Backend extends dcNsProcess
     public static function init(): bool
     {
         static::$init = defined('DC_CONTEXT_ADMIN')
-            && !is_null(dcCore::app()->auth)
             && dcCore::app()->auth->isSuperAdmin();
 
         return static::$init;
@@ -42,7 +41,7 @@ class Backend extends dcNsProcess
             return false;
         }
 
-        if (is_null(dcCore::app()->auth) || is_null(dcCore::app()->blog) || is_null(dcCore::app()->adminurl)) {
+        if (is_null(dcCore::app()->blog)) {
             return false;
         }
 
diff --git a/src/Config.php b/src/Config.php
index 78c0b54..709264b 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -39,7 +39,6 @@ class Config extends dcNsProcess
     public static function init(): bool
     {
         static::$init = defined('DC_CONTEXT_ADMIN')
-            && !is_null(dcCore::app()->auth)
             && dcCore::app()->auth->isSuperAdmin();
 
         return static::$init;
@@ -55,7 +54,7 @@ class Config extends dcNsProcess
             return true;
         }
 
-        if (is_null(dcCore::app()->blog) || is_null(dcCore::app()->adminurl)) {
+        if (is_null(dcCore::app()->blog)) {
             return false;
         }
 
@@ -88,7 +87,7 @@ class Config extends dcNsProcess
             return;
         }
 
-        if (is_null(dcCore::app()->blog) || is_null(dcCore::app()->adminurl)) {
+        if (is_null(dcCore::app()->blog)) {
             return;
         }
 
diff --git a/src/Manage.php b/src/Manage.php
index c9e030b..0c4d57c 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -54,7 +54,6 @@ class Manage extends dcNsProcess
     public static function init(): bool
     {
         static::$init = defined('DC_CONTEXT_ADMIN')
-            && !is_null(dcCore::app()->auth)
             && dcCore::app()->auth->isSuperAdmin();
 
         return static::$init;
diff --git a/src/Task/CssHeader.php b/src/Task/CssHeader.php
index b49e8ce..415a5d6 100644
--- a/src/Task/CssHeader.php
+++ b/src/Task/CssHeader.php
@@ -162,7 +162,7 @@ class CssHeader extends Task
 
     public function openModule(): ?bool
     {
-        if (is_null(dcCore::app()->auth)) {
+        if (!isset(dcCore::app()->auth)) {
             $this->warning->add(__('Auth is not set'));
 
             return null;
diff --git a/src/Task/PhpHeader.php b/src/Task/PhpHeader.php
index 09b281a..f3b2ebf 100644
--- a/src/Task/PhpHeader.php
+++ b/src/Task/PhpHeader.php
@@ -161,7 +161,7 @@ class PhpHeader extends Task
 
     public function openModule(): ?bool
     {
-        if (is_null(dcCore::app()->auth)) {
+        if (!isset(dcCore::app()->auth)) {
             $this->warning->add(__('Auth is not set'));
 
             return null;