code: use pro layout pageLoading

package.json

@@ -58,7 +58,7 @@
     "not ie <= 10"
   ],
   "dependencies": {
-    "@ant-design/pro-layout": "^4.9.11",
+    "@ant-design/pro-layout": "^4.10.0",
     "@antv/data-set": "^0.10.2",
     "antd": "^3.23.6",
     "classnames": "^2.2.6",

src/components/PageLoading/index.tsx

@@ -1,11 +1,5 @@
-import React from 'react';
-import { Spin } from 'antd';
+import { PageLoading } from '@ant-design/pro-layout';
 
 // loading components from code split
 // https://umijs.org/plugin/umi-plugin-react.html#dynamicimport
-const PageLoading: React.FC = () => (
-  <div style={{ paddingTop: 100, textAlign: 'center' }}>
-    <Spin size="large" />
-  </div>
-);
 export default PageLoading;

src/layouts/SecurityLayout.tsx

@@ -1,10 +1,10 @@
 import React from 'react';
 import { connect } from 'dva';
+import { PageLoading } from '@ant-design/pro-layout';
 import { Redirect } from 'umi';
 import { stringify } from 'querystring';
 import { ConnectState, ConnectProps } from '@/models/connect';
 import { CurrentUser } from '@/models/user';
-import PageLoading from '@/components/PageLoading';
 
 interface SecurityLayoutProps extends ConnectProps {
   loading?: boolean;