diff --git a/packages/@vue/cli-plugin-typescript/generator/template-vue3/src/App.vue b/packages/@vue/cli-plugin-typescript/generator/template-vue3/src/App.vue
index 1d7b8ac41f..e172da6487 100644
--- a/packages/@vue/cli-plugin-typescript/generator/template-vue3/src/App.vue
+++ b/packages/@vue/cli-plugin-typescript/generator/template-vue3/src/App.vue
@@ -1,5 +1,6 @@
 ---
 extend: '@vue/cli-service/generator/template/src/App.vue'
+when: "rootOptions.plugins && !rootOptions.plugins['@vue/cli-plugin-router']"
 replace:
   - !!js/regexp /Welcome to Your Vue\.js App/g
   - !!js/regexp /<script>[^]*?<\/script>/