bug: fix the problem that page content become blank when modifying the code; 🐛 #141

修复：修改代码时页面内容变为空白的问题；

src/components/cache/AKeepAlive.js

@@ -127,7 +127,7 @@ export default {
         // same constructor may get registered as different local components
         // so cid alone is not enough (#3269)
         ? componentOptions.Ctor.cid + (componentOptions.tag ? `::${componentOptions.tag}` : '')
-        : vnode.key
+        : vnode.key + componentOptions.Ctor.cid
       if (cache[key]) {
         vnode.componentInstance = cache[key].componentInstance
         // make current key freshest

src/layouts/tabs/TabsView.vue

@@ -261,7 +261,8 @@ export default {
       const page = this.pageList.find(item => item.fullPath === route.fullPath)
       page.unclose = route.meta && route.meta.page && (route.meta.page.closable === false)
       if (!page._init_) {
-        page.cachedKey = this.$refs.tabContent.$vnode.key
+        const vnode = this.$refs.tabContent.$vnode
+        page.cachedKey = vnode.key + vnode.componentOptions.Ctor.cid
         page._init_ = true
       }
     },