From 8bdd3033222e15b13c73a0942b231c8ab486f6dc Mon Sep 17 00:00:00 2001
From: heww <heww0205@gmail.com>
Date: Tue, 16 May 2017 10:46:42 +0800
Subject: [PATCH] refresh meta info only computed $metaInfo exists

---
 src/shared/plugin.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/shared/plugin.js b/src/shared/plugin.js
index 61710ee..6cb7ce5 100644
--- a/src/shared/plugin.js
+++ b/src/shared/plugin.js
@@ -60,13 +60,17 @@ export default function VueMeta (Vue, options = {}) {
     },
     beforeMount () {
       // batch potential DOM updates to prevent extraneous re-rendering
-      batchID = batchUpdate(batchID, () => this.$meta().refresh())
+      if (this.$metaInfo) {
+        batchID = batchUpdate(batchID, () => this.$meta().refresh())
+      }
     },
     destroyed () {
       // do not trigger refresh on the server side
       if (this.$isServer) return
       // re-render meta data when returning from a child component to parent
-      batchID = batchUpdate(batchID, () => this.$meta().refresh())
+      if (this.$metaInfo) {
+        batchID = batchUpdate(batchID, () => this.$meta().refresh())
+      }
     }
   })
 }