diff --git a/app/common/Implement/Log/Processor/Exception.php b/app/common/Implement/Log/Processor/Exception.php
index d02431d..22507b9 100644
--- a/app/common/Implement/Log/Processor/Exception.php
+++ b/app/common/Implement/Log/Processor/Exception.php
@@ -61,7 +61,7 @@ class Exception implements ProcessorInterface
             'trace' => $exception->getTraceAsString(),
         ];
         if ($exception->getPrevious() !== null) {
-            $output['previous'] = $this->processException($exception);
+            $output['previous'] = $this->processException($exception->getPrevious());
         }
         return $output;
     }