From f00537c62e3ccdd1904bcc9c88f6688c8e0718f5 Mon Sep 17 00:00:00 2001
From: furybean <long.zhang@ele.me>
Date: Fri, 17 Jun 2016 23:46:41 +0800
Subject: [PATCH] Fix a bug of grid column.

---
 src/data/grid-column.vue | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/data/grid-column.vue b/src/data/grid-column.vue
index 3ee3b24..4bec059 100644
--- a/src/data/grid-column.vue
+++ b/src/data/grid-column.vue
@@ -159,6 +159,7 @@
     },
 
     detached() {
+      if (!this.$parent) return;
       let columns = this.$parent.columns;
       if (columns) {
         let columnId = this.columnId;