diff --git a/static/src/styles/components/chat/_chat-area.scss b/static/src/styles/components/chat/_chat-area.scss
index b90d4a2..f36fad8 100644
--- a/static/src/styles/components/chat/_chat-area.scss
+++ b/static/src/styles/components/chat/_chat-area.scss
@@ -944,11 +944,6 @@ body[data-theme='dark'] .more-icon {
   pointer-events: none;
 }
 
-/* 深色模式下 progress-indicator 使用白色 */
-body[data-theme='dark'] .progress-indicator {
-  background: var(--text-primary);
-}
-
 .collapsible-block.processing .progress-indicator {
   opacity: 1;
 }