bug fixes

src/router/index.js

@@ -153,7 +153,19 @@ const routes = [
 const router = new VueRouter({
   mode: 'history',
   base: process.env.BASE_URL,
-  routes
+  routes,
+  scrollBehavior(to, from, savedPosition) {
+    // keep-alive 返回缓存页面后记录浏览位置
+    if (savedPosition && to.meta.keepAlive) {
+      return savedPosition
+    }
+    // 异步滚动操作
+    return new Promise(resolve => {
+      setTimeout(() => {
+        resolve({ x: 0, y: 1 })
+      }, 0)
+    })
+  }
 })
 
 export default router