diff --git a/packages/ui-default/components/monaco/languages/markdown.ts b/packages/ui-default/components/monaco/languages/markdown.ts
index 56f56aeb4..c94632292 100644
--- a/packages/ui-default/components/monaco/languages/markdown.ts
+++ b/packages/ui-default/components/monaco/languages/markdown.ts
@@ -123,6 +123,12 @@ monaco.editor.registerCommand('hydro.openUserPage', (accesser, uid) => {
 monaco.languages.registerCodeLensProvider('markdown', {
   async provideCodeLenses(model) {
     const users = model.findMatches('\\[\\]\\(/user/(\\d+)\\)', true, true, true, null, true);
+    if (!users.length) {
+      return {
+        lenses: [],
+        dispose: () => { },
+      };
+    }
     const { data } = await api(gql`
       users(ids: ${users.map((i) => +i.matches[1])}) {
         _id
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index a19d672d9..3cb9e5760 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.22.12",
+  "version": "4.22.13",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",