refactor: ConfigProvider

-/**
- * @see  https://umijs.org/zh-CN/plugins/plugin-initial-state
- * */
-export async function getInitialState(): Promise<{}> {
-  return window.qx.getModuleData();
-}

+import { ConfigProvider } from 'antd';
+import { ReactNode } from 'react';
+import pkg from '../package.json';
+
+const { name } = pkg;
+
+/**
+ * @see  https://v3.umijs.org/zh-CN/plugins/plugin-initial-state#getinitialstate
+ * */
+export async function getInitialState(): Promise<{}> {
+  return window.qx.getModuleData();
+}
+
+/**
+ * @see https://v3.umijs.org/zh-CN/docs/runtime-config#rootcontainerlastrootcontainer-args
+ */
+export function rootContainer(container: ReactNode) {
+  return (
+    <ConfigProvider
+      getPopupContainer={() => document.getElementById(name) || document.body}
+    >
+      {container}
+    </ConfigProvider>
+  );
+}