diff --git a/.dumi/theme/themeConfig.ts b/.dumi/theme/themeConfig.ts
index cb341ca498..313944adc0 100644
--- a/.dumi/theme/themeConfig.ts
+++ b/.dumi/theme/themeConfig.ts
@@ -46,7 +46,7 @@ export default {
     'Template Document': 3,
   },
   docVersions: {
-    '4.x': chineseMirror ? 'https://4x-ant-design.antgroup.com/' : 'https://4x.ant.design',
+    '4.x': chineseMirror ? 'https://4x-ant-design.antgroup.com' : 'https://4x.ant.design',
     '3.x': 'https://3x.ant.design',
     '2.x': 'https://2x.ant.design',
     '1.x': 'https://1x.ant.design',