diff --git a/public/css/app.css b/public/css/app.css
index 59e5c4091..a0dc95b46 100644
--- a/public/css/app.css
+++ b/public/css/app.css
@@ -61,6 +61,10 @@ textarea::-webkit-scrollbar-thumb:hover {
   background-color: rgba(35, 46, 64, 0.3);
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#4d232e40,endColorstr=#4d232e40);
 }
+div::-webkit-scrollbar-corner,
+textarea::-webkit-scrollbar-corner {
+  background-color: transparent;
+}
 .bi-theme-dark div::-webkit-scrollbar,
 .bi-theme-dark textarea::-webkit-scrollbar {
   -webkit-appearance: none;
diff --git a/src/css/resource/app.css b/src/css/resource/app.css
index 59e5c4091..a0dc95b46 100644
--- a/src/css/resource/app.css
+++ b/src/css/resource/app.css
@@ -61,6 +61,10 @@ textarea::-webkit-scrollbar-thumb:hover {
   background-color: rgba(35, 46, 64, 0.3);
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#4d232e40,endColorstr=#4d232e40);
 }
+div::-webkit-scrollbar-corner,
+textarea::-webkit-scrollbar-corner {
+  background-color: transparent;
+}
 .bi-theme-dark div::-webkit-scrollbar,
 .bi-theme-dark textarea::-webkit-scrollbar {
   -webkit-appearance: none;
diff --git a/src/less/resource/app.less b/src/less/resource/app.less
index 1c759ab01..a8d3f083c 100644
--- a/src/less/resource/app.less
+++ b/src/less/resource/app.less
@@ -48,6 +48,9 @@ div, textarea {
       .background-color(@scroll-color, 30%);
     }
   }
+  &::-webkit-scrollbar-corner {
+    background-color: transparent;
+  }
 }
 
 .bi-theme-dark {
diff --git a/ui/css/app.css b/ui/css/app.css
index 59e5c4091..a0dc95b46 100644
--- a/ui/css/app.css
+++ b/ui/css/app.css
@@ -61,6 +61,10 @@ textarea::-webkit-scrollbar-thumb:hover {
   background-color: rgba(35, 46, 64, 0.3);
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#4d232e40,endColorstr=#4d232e40);
 }
+div::-webkit-scrollbar-corner,
+textarea::-webkit-scrollbar-corner {
+  background-color: transparent;
+}
 .bi-theme-dark div::-webkit-scrollbar,
 .bi-theme-dark textarea::-webkit-scrollbar {
   -webkit-appearance: none;