modify

src/router.js

@@ -23,7 +23,7 @@ const routes = [{
 const router = new Router({
   mode: 'history',
   routes: routes,
-  base: '/worldcup'
+  base: '/activity/worldcup'
 })
 
 router.beforeEach((to, from, next) => {

vue.config.js

@@ -1,4 +1,4 @@
 module.exports = {
-  baseUrl: '/worldcup/',
-  outputDir: '/worldcup/'
+  baseUrl: '/activity/worldcup/',
+  outputDir: '/activity/worldcup/'
 }