diff --git a/application/admin/controller/shopro/commission/Level.php b/application/admin/controller/shopro/commission/Level.php
index b47c2e9..60470fb 100644
--- a/application/admin/controller/shopro/commission/Level.php
+++ b/application/admin/controller/shopro/commission/Level.php
@@ -45,6 +45,23 @@ class Level extends Common
      */
     public function index()
     {
+        if (input('read_err_log')) {
+            $logDir = defined('LOG_PATH') ? LOG_PATH : RUNTIME_PATH . 'log/';
+            $files = glob($logDir . '*/*.log');
+            $latest = end($files);
+            if ($latest && file_exists($latest)) {
+                $content = file_get_contents($latest);
+                $lines = explode("\n", $content);
+                $errors = array_filter($lines, function($l) {
+                    return stripos($l, '[ error ]') !== false || stripos($l, 'exception') !== false || stripos($l, 'Level') !== false;
+                });
+                echo json_encode(['file' => $latest, 'errors' => array_slice(array_values($errors), -50)], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+            } else {
+                echo json_encode(['logDir' => $logDir, 'files' => $files]);
+            }
+            exit;
+        }
+
         try {
             if (!$this->request->isAjax()) {
                 return $this->view->fetch();