How to use the electron-log.findLogPath function in electron-log

import { app, BrowserWindow } from 'electron';
import is from 'electron-is';
import { join } from 'path';
import log from 'electron-log';
import * as application from './services/application';
import * as window from './services/window';
import * as menu from './services/menu';
import * as config from './configs/config';

log.transports.file.level = 'info';

log.info('(main/index) >>>>>>>>>>>>>>>>>>');
log.info('(main/index) app start');
log.info(`(main/index) log file at ${log.findLogPath()}`);

if (is.dev()) {
  require('electron-debug')(); // eslint-disable-line global-require
}

app.on('ready', () => {
  log.info('(main/index) app ready');
  application.init();
  menu.init();

  // 加载 devtools extension
  if (is.dev()) {
    BrowserWindow.addDevToolsExtension(
      join($dirname, '../../extensions/redux-devtools/2.11.1_0'),
    );
    BrowserWindow.addDevToolsExtension(

import { app, BrowserWindow } from 'electron';
import is from 'electron-is';
import { join } from 'path';
import log from 'electron-log';
import * as application from './services/application';
import * as window from './services/window';
import * as menu from './services/menu';
import * as davAst from './services/dva-ast';
import * as config from './configs/config';

log.info('(main/index) >>>>>>>>>>>>>>>>>>');
log.info('(main/index) app start');
log.info(`(main/index) log file at ${log.findLogPath()}`);

app.on('ready', () => {
  log.info('(main/index) app ready');
  application.init();
  menu.init();
  davAst.init();

  // 加载 devtools extension
  if (is.dev()) {
    BrowserWindow.addDevToolsExtension(
      join($dirname, '../../extensions/redux-devtools/2.11.1_0'),
    );
    BrowserWindow.addDevToolsExtension(
      join($dirname, '../../extensions/react-developer-tools/0.15.4_0'),
    );
  }