diff --git a/app/common.php b/app/common.php
index 7b9d0648..1b87d6eb 100644
--- a/app/common.php
+++ b/app/common.php
@@ -53,7 +53,7 @@ function xdebug($data, $type = 'xdebug', $suffix = null, $force = false, $file =
             $file = is_null($suffix) ? runtime_path() . 'xdebug/' . date('Ymd') . '.txt' : runtime_path() . 'xdebug/' . date('Ymd') . "_{$suffix}" . '.txt';
         }
         file_put_contents($file, "[" . date('Y-m-d H:i:s') . "] " . "========================= {$type} ===========================" . PHP_EOL, FILE_APPEND);
-        $str = (is_string($data) ? $data : (is_array($data) || is_object($data)) ? print_r($data, true) : var_export($data, true)) . PHP_EOL;
+        $str = (is_string($data) ? $data : ((is_array($data) || is_object($data)) ? print_r($data, true) : var_export($data, true))) . PHP_EOL;
         $force ? file_put_contents($file, $str) : file_put_contents($file, $str, FILE_APPEND);
     }
 }
@@ -120,4 +120,4 @@ function auth($node = null)
         return $check;
     }
 
-}
\ No newline at end of file
+}