fix(cli): nav route matching

packages/vant-cli/site/desktop/components/Nav.vue

@@ -52,7 +52,7 @@ export default {
     },
 
     base() {
-      return this.lang ? `/${this.lang}` : '';
+      return this.lang ? `/${this.lang}/` : '/';
     }
   },
 

packages/vant-cli/site/desktop/components/NavLink.vue

@@ -20,8 +20,7 @@ export default {
     },
 
     path() {
-      const { path } = this.item;
+      return `${this.base}${this.item.path}`;
-      return this.base ? `${this.base}/${path}` : path;
     },
 
     active() {

packages/vant-cli/site/desktop/router.js

@@ -74,6 +74,7 @@ function getRoutes() {
       addHomeRoute(documents[name], lang);
     }
 
+    if (lang) {
       routes.push({
         name: `${lang}/${component}`,
         path: `/${lang}/${component}`,
@@ -83,6 +84,16 @@ function getRoutes() {
           name: component
         }
       });
+    } else {
+      routes.push({
+        name: `${component}`,
+        path: `/${component}`,
+        component: documents[name],
+        meta: {
+          name: component
+        }
+      });
+    }
   });
 
   return routes;

packages/vant-cli/site/mobile/router.js

@@ -46,7 +46,7 @@ function getRoutes() {
     });
 
     routes.push({
-      path: '',
+      path: '/',
       component: DemoHome
     });
   }