diff --git a/src/components/markdown-viewer/index.less b/src/components/markdown-viewer/index.less
index fe31ca98..02f9059f 100644
--- a/src/components/markdown-viewer/index.less
+++ b/src/components/markdown-viewer/index.less
@@ -1,6 +1,6 @@
 .markdown-viewer {
   font-family: var(--font-family) !important;
-  word-wrap: break-word;
+  word-break: break-word;
 
   .hr {
     border: none;