diff --git a/src/components/markdown-viewer/index.less b/src/components/markdown-viewer/index.less
index d430e2f9..09ab2b27 100644
--- a/src/components/markdown-viewer/index.less
+++ b/src/components/markdown-viewer/index.less
@@ -1,5 +1,6 @@
 .markdown-viewer {
   word-break: break-word;
+  white-space: pre-line;
   font-size: var(--font-size-base);
 
   .hr {