From 7d1cc2217a7c30f4b10028e366bcdec842044fa5 Mon Sep 17 00:00:00 2001
From: Clark Du <duxin@cfilmcloud.com>
Date: Tue, 25 Jul 2017 15:10:31 +0800
Subject: [PATCH] enable autoprefixer when no custom build.post is set

---
 lib/core/options.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/core/options.js b/lib/core/options.js
index f64c9b39fb..2d58aabd3a 100755
--- a/lib/core/options.js
+++ b/lib/core/options.js
@@ -107,7 +107,7 @@ export const defaultOptions = {
     vendor: [],
     plugins: [],
     babel: {},
-    postcss: [],
+    postcss: undefined,
     templates: [],
     watch: [],
     devMiddleware: {},