From 041839b90131d3a4e6a5663986b811d60d4e6ba2 Mon Sep 17 00:00:00 2001
From: tanjinzhou <415800467@qq.com>
Date: Tue, 22 Oct 2019 12:45:30 +0800
Subject: [PATCH] fix: throw error when use slot at template

---
 components/_util/props-util.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/_util/props-util.js b/components/_util/props-util.js
index 0016073d87..f1d9a6b1f8 100644
--- a/components/_util/props-util.js
+++ b/components/_util/props-util.js
@@ -137,7 +137,9 @@ const getComponentFromProp = (instance, prop, options = instance, execute = true
     const componentOptions = instance.componentOptions || {};
     (componentOptions.children || []).forEach(child => {
       if (child.data && child.data.slot === prop) {
-        delete child.data.attrs.slot;
+        if (child.data.attrs) {
+          delete child.data.attrs.slot;
+        }
         if (child.tag === 'template') {
           slotsProp.push(child.children);
         } else {