From da339cfca50c86a3635a6c2b94af76becc69797d Mon Sep 17 00:00:00 2001
From: eyhn <cneyhn@gmail.com>
Date: Sun, 6 May 2018 23:35:48 +0800
Subject: [PATCH] fix: error message useful for developers

---
 middleware/onerror.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/middleware/onerror.js b/middleware/onerror.js
index 3ce9e0fc67..75bc9c4086 100644
--- a/middleware/onerror.js
+++ b/middleware/onerror.js
@@ -4,7 +4,7 @@ module.exports = async (ctx, next) => {
     try {
         await next();
     } catch (err) {
-        logger.error('Promise error: ' + err);
+        logger.error('Promise error: ' + (err instanceof Error ? err.stack : err));
         ctx.set({
             'Content-Type': 'text/html; charset=UTF-8',
         });