diff --git a/src/views/markdown/index.vue b/src/views/markdown/index.vue
index 947782f..26f4b73 100644
--- a/src/views/markdown/index.vue
+++ b/src/views/markdown/index.vue
@@ -352,6 +352,7 @@ export default {
         toolbarConfig: {
           pin: true,
         },
+        cdn: `${window.location.origin}/resource/vditor@3.9.3`,
         preview: {
           mode: 'both',
           hljs: {