2.0 运行时，修改 main 端代码，将会自动结束进程 about umi-plugin-electron-builder

[arvinxx]

另外 demo 配置项有点问题，提 PR 了 #31

[BySlin]

umi-plugin-electron-builder/src/compile/index.ts

Lines 92 to 124 in d753909

	watcher
	.on('unlink', path => {
	if (spawnProcess !== null && path.includes(getDevBuildDir(api))) {
	spawnProcess.kill('SIGINT');
	spawnProcess = null;
	}
	})
	.on('add', path => {
	if (path.includes(getDevBuildDir(api))) {
	return runMain();
	}
	if (spawnProcess !== undefined && path.includes('preload.js')) {
	return runPreload();
	}
	})
	.on('change', (path) => {
	if (path.includes(getMainSrc(api))) {
	return buildMainDebounced();
	}
	if (path.includes('main.js')) {
	return runMain();
	}
	if (path.includes(getPreloadSrc(api))) {
	return buildPreloadDebounced();
	}
	if (path.includes('preload.js')) {
	return runPreload();
	}
	});

在windows下是正常的，我手上没有mac，可能是这一段路径比较不正确

umi-plugin-electron-builder/src/index.ts

Lines 75 to 76 in d753909

	config.alias = config.alias || {};
	config.alias['@/common'] = path.join(process.cwd(), 'src/common');

alias是默认配置的，我这边在windows下也是正常的

[BySlin]

此问题已修复