From 35151150fde5ad21087f14bf22cf1acf0f150979 Mon Sep 17 00:00:00 2001
From: Clark Du <clark.duxin@gmail.com>
Date: Fri, 28 Dec 2018 13:26:46 +0000
Subject: [PATCH] fix: wrong devMiddleware in non-modern dev mode

---
 packages/server/src/middleware/modern.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/server/src/middleware/modern.js b/packages/server/src/middleware/modern.js
index 6b6f41cf54..c1f779b80a 100644
--- a/packages/server/src/middleware/modern.js
+++ b/packages/server/src/middleware/modern.js
@@ -47,7 +47,7 @@ const setModernMode = (req, options) => {
   if (options.modern === 'server') {
     req.modernMode = isModernBrowser
   }
-  if (options.dev) {
+  if (options.dev && !!options.modern) {
     req.devModernMode = isModernBrowser
   }
 }