diff --git a/src/views/alarm/index.scss b/src/views/alarm/index.scss
index 526c39ac..7fd410b6 100644
--- a/src/views/alarm/index.scss
+++ b/src/views/alarm/index.scss
@@ -68,7 +68,7 @@
 
 .timeline-table-i {
   padding: 10px 15px;
-  border-left: 4px solid rgb(46 47 51 / 10%);
+  border-left: 4px solid #2e2f331a;
   position: relative;
 
   &::after {