调整下加载策略

examples/router/autoRoutes.js

@@ -13,8 +13,8 @@ export default {
   },
   loadApps() {
     //新App的自动化格式
-    let apps = require.context('../../packages/', true, /\.(\/.+)\/App[A-Z][^\/]+\.vue$/, 'lazy'),
-        projects = require.context('../../project/', true, /\.(\/.+)\/App[A-Z][^\/]+\.vue$/, 'lazy')
+    let apps = require.context('../../packages/', true, /\.(\/.+)\/App[A-Z][^\/]+\.vue$/, 'lazy-once'),
+        projects = require.context('../../project/', true, /\.(\/.+)\/App[A-Z][^\/]+\.vue$/, 'lazy-once')
     const promise = (mods, base) => Promise.all(mods.keys().map(path => mods(path).then(file => {
       if (file.default) {
         let {name, label} = file.default,