diff --git a/src/components/toast/Toast.vue b/src/components/toast/Toast.vue
index af3755564..e4e47d4e1 100755
--- a/src/components/toast/Toast.vue
+++ b/src/components/toast/Toast.vue
@@ -87,7 +87,7 @@ export default {
                 this.messages = [];
             }
         },
-        onRemoveAllGroıps() {
+        onRemoveAllGroups() {
             this.messages = [];
         }
     },
diff --git a/src/views/chart/DoughnutChartDemo.vue b/src/views/chart/DoughnutChartDemo.vue
index 293547581..d9d673635 100755
--- a/src/views/chart/DoughnutChartDemo.vue
+++ b/src/views/chart/DoughnutChartDemo.vue
@@ -23,7 +23,7 @@ import DoughnutChartDoc from './DoughnutChartDoc';
 import EventBus from '@/AppEventBus';
 
 export default {
-    themeChangeListener = null,
+    themeChangeListener: null,
     mounted() {
         this.themeChangeListener = (event) => {
             if (event.dark)
diff --git a/src/views/chart/PieChartDemo.vue b/src/views/chart/PieChartDemo.vue
index 2f2d6cf82..4fc002710 100755
--- a/src/views/chart/PieChartDemo.vue
+++ b/src/views/chart/PieChartDemo.vue
@@ -23,7 +23,7 @@ import PieChartDoc from './PieChartDoc';
 import EventBus from '@/AppEventBus';
 
 export default {
-    themeChangeListener = null,
+    themeChangeListener: null,
     mounted() {
         this.themeChangeListener = (event) => {
             if (event.dark)
diff --git a/src/views/chart/PolarAreaChartDemo.vue b/src/views/chart/PolarAreaChartDemo.vue
index bf90d0f69..024ea45b4 100755
--- a/src/views/chart/PolarAreaChartDemo.vue
+++ b/src/views/chart/PolarAreaChartDemo.vue
@@ -23,7 +23,7 @@ import PolarAreaChartDoc from './PolarAreaChartDoc';
 import EventBus from '@/AppEventBus';
 
 export default {
-    themeChangeListener = null,
+    themeChangeListener: null,
     mounted() {
         this.themeChangeListener = (event) => {
             if (event.dark)
diff --git a/src/views/chart/RadarChartDemo.vue b/src/views/chart/RadarChartDemo.vue
index 0d6d8e8e7..c9345493e 100755
--- a/src/views/chart/RadarChartDemo.vue
+++ b/src/views/chart/RadarChartDemo.vue
@@ -23,7 +23,7 @@ import RadarChartDoc from './RadarChartDoc';
 import EventBus from '@/AppEventBus';
 
 export default {
-    themeChangeListener = null,
+    themeChangeListener: null,
     mounted() {
         this.themeChangeListener = (event) => {
             if (event.dark)