diff --git a/kiri-engine/Error/StdoutLogger.php b/kiri-engine/Error/StdoutLogger.php
index 69ba2986..2ebe0434 100644
--- a/kiri-engine/Error/StdoutLogger.php
+++ b/kiri-engine/Error/StdoutLogger.php
@@ -75,7 +75,7 @@ class StdoutLogger extends Component
         } else {
             $this->errors[$model] = $message;
         }
-        file_put_contents('php"//output', '[' . date('Y-m-d H:i:s') . '] ' . throwable($message) . PHP_EOL, FILE_APPEND);
+        file_put_contents('php://output', '[' . date('Y-m-d H:i:s') . '] ' . throwable($message) . PHP_EOL, FILE_APPEND);
         $this->error(throwable($message), []);
         return false;
     }