diff --git a/packages/vant-cli/site/desktop/components/Header.vue b/packages/vant-cli/site/desktop/components/Header.vue
index 082a219d9..b987ac65d 100644
--- a/packages/vant-cli/site/desktop/components/Header.vue
+++ b/packages/vant-cli/site/desktop/components/Header.vue
@@ -127,7 +127,9 @@ export default {
     },
 
     onSwitchVersion(version) {
-      location.href = version.link;
+      if (version.link) {
+        location.href = version.link;
+      }
     },
   },
 };