diff --git a/library/think/App.php b/library/think/App.php
index 626b0845..3b266680 100644
--- a/library/think/App.php
+++ b/library/think/App.php
@@ -304,7 +304,10 @@ class App
 
             // 是否调试模式
             self::$debug = Config::get('app_debug');
-
+            if (!self::$debug) {
+                ini_set('display_errors', 'Off');
+            }
+            
             // 注册根命名空间
             if (!empty($config['root_namespace'])) {
                 Loader::addNamespace($config['root_namespace']);
diff --git a/library/think/Error.php b/library/think/Error.php
index 22334bb3..48d88ca6 100644
--- a/library/think/Error.php
+++ b/library/think/Error.php
@@ -29,10 +29,6 @@ class Error
         set_error_handler([__CLASS__, 'appError']);
         set_exception_handler([__CLASS__, 'appException']);
         register_shutdown_function([__CLASS__, 'appShutdown']);
-
-        if (!App::$debug) {
-            ini_set('display_errors', 'Off');
-        }
     }
 
     /**