From e219b1462f3fcd0e22a8790903bdf1c7790820f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tu=C4=9F=C3=A7e=20K=C3=BC=C3=A7=C3=BCko=C4=9Flu?=
 <tugcekucukoglu.860@gmail.com>
Date: Fri, 8 Apr 2022 17:03:26 +0300
Subject: [PATCH] Update TabViewDemo.vue

---
 src/views/tabview/TabViewDemo.vue | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/views/tabview/TabViewDemo.vue b/src/views/tabview/TabViewDemo.vue
index 868552fb3..6649deb5b 100755
--- a/src/views/tabview/TabViewDemo.vue
+++ b/src/views/tabview/TabViewDemo.vue
@@ -179,10 +179,12 @@ export default {
     mounted() {
         this.themeChangeListener = () => {
             this.timeout = setTimeout(() => {
-                this.$refs.tabview1.updateInkBar();
-                this.$refs.tabview2.updateInkBar();
-                this.$refs.tabview3.updateInkBar();
-                this.$refs.tabview4.updateInkBar();
+                if (this.$refs.tabview1) {
+                    this.$refs.tabview1.updateInkBar();
+                    this.$refs.tabview2.updateInkBar();
+                    this.$refs.tabview3.updateInkBar();
+                    this.$refs.tabview4.updateInkBar();
+                }
             }, 50);
         };
         EventBus.on('theme-change', this.themeChangeListener);