diff --git a/nezha-fronted/src/components/charts/chart-alert-list.vue b/nezha-fronted/src/components/charts/chart-alert-list.vue
index aa91dc934..122e426f6 100644
--- a/nezha-fronted/src/components/charts/chart-alert-list.vue
+++ b/nezha-fronted/src/components/charts/chart-alert-list.vue
@@ -648,7 +648,7 @@ export default {
                         markArea:{
                           itemStyle:{
                             color:'#d64f40',
-                            opacity:0.2
+                            opacity:0.1
                           },
                           data:[
                            this.returnMarkArea()
diff --git a/nezha-fronted/src/components/page/alert/list.vue b/nezha-fronted/src/components/page/alert/list.vue
index 73ab27987..c94db7701 100644
--- a/nezha-fronted/src/components/page/alert/list.vue
+++ b/nezha-fronted/src/components/page/alert/list.vue
@@ -550,7 +550,7 @@
                       markArea:{
                         itemStyle:{
                           color:'#d64f40',
-                          opacity:0.2
+                          opacity:0.1
                         },
                         data:[this.returnMarkArea()]
                       }