diff --git a/src/main.dev.js b/src/main.dev.js
index 98104fc..aab3b6a 100644
--- a/src/main.dev.js
+++ b/src/main.dev.js
@@ -31,6 +31,11 @@ import MenuBuilder from './menu';
 import { getCurrentEntryList } from './shared/utils';
 import setDefaultSettings from './components/shared/setDefaultSettings';
 
+settings.configure({
+  prettify: true,
+  numSpaces: 2,
+});
+
 const isWindows = process.platform === 'win32';
 const isMacOS = process.platform === 'darwin';
 const isLinux = process.platform === 'linux';