From dd773b9e72a0233409acb7a23fc4ef1fc5dbda5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E5=A5=95?=
 <Leopoldthecoder@users.noreply.github.com>
Date: Thu, 3 May 2018 18:41:10 +0800
Subject: [PATCH] InputNumber: fix accessing missing $refs in updated hook
 (#10995)

---
 packages/input-number/src/input-number.vue | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/input-number/src/input-number.vue b/packages/input-number/src/input-number.vue
index 5aa4b89aa..8f2a9873d 100644
--- a/packages/input-number/src/input-number.vue
+++ b/packages/input-number/src/input-number.vue
@@ -216,7 +216,8 @@
       innerInput.setAttribute('aria-disabled', this.inputNumberDisabled);
     },
     updated() {
-      let innerInput = this.$refs.input.$refs.input;
+      if (!this.$refs || !this.$refs.input) return;
+      const innerInput = this.$refs.input.$refs.input;
       innerInput.setAttribute('aria-valuenow', this.currentValue);
     }
   };