tweak code to keep coding style consistency

src/components/SiderMenu/SiderMenu.js

@@ -28,7 +28,8 @@ const getIcon = icon => {
  * @param  menu
  */
 export const getFlatMenuKeys = menu =>
-  menu.reduce((keys, item) => {
+  menu
+    .reduce((keys, item) => {
       keys.push(item.path);
       if (item.children) {
         return keys.concat(getFlatMenuKeys(item.children));
@@ -42,11 +43,11 @@ export const getFlatMenuKeys = menu =>
  * @param  paths: [/abc, /abc/11, /abc/11/info]
  */
 export const getMeunMatchKeys = (flatMenuKeys, paths) =>
-  paths.reduce(
-    (matchKeys, path) =>
-      matchKeys.concat(flatMenuKeys.filter(item => pathToRegexp(item).test(path))),
-    []
-  );
+  paths
+    .reduce((matchKeys, path) => (
+      matchKeys.concat(
+        flatMenuKeys.filter(item => pathToRegexp(item).test(path))
+    )), []);
 
 export default class SiderMenu extends PureComponent {
   constructor(props) {