[Update] 修改版本号，修改管理页面文案

src/i18n/langs/cn.json

@@ -242,7 +242,7 @@
     "isValid": "有效",
     "nav": {
       "APIKey": "API Key",
-      "AdminPage": "管理员页面",
+      "AdminPage": "管理页面",
       "Docs": "文档",
       "Help": "帮助",
       "Logout": "退出登录",

src/layout/components/Footer/index.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="footer" :style="style">
     <div class="pull-right">
-      Version <strong>2.0.0-rc</strong> <span v-if="!publicSettings.XPACK_LICENSE_IS_VALID"> GPLv2. </span>
+      Version <strong>2.0.0</strong> <span v-if="!publicSettings.XPACK_LICENSE_IS_VALID"> GPLv2. </span>
     </div>
     <div v-if="!publicSettings.XPACK_LICENSE_IS_VALID" style="padding-left:20px;">
       <strong>Copyright</strong> FIT2CLOUD 飞致云 © 2014-2020