diff --git a/README.md b/README.md
index a9540ea..7e40bd9 100644
--- a/README.md
+++ b/README.md
@@ -27,10 +27,10 @@ npm i https://github.com/ElementUI/theme-chalk -D
 et --init [file path]
 
 # watch then build
-et --watch [--config variable file path] [--out theme path]
+et --watch [--config variable file path] [--out theme path] [-s --source filePath]
 
 # build
-et [--config variable file path] [--out theme path] [--minimize]
+et [--config variable file path] [--out theme path] [--minimize] [-s --source filePath]
 ```
 
 ## Node API
@@ -40,12 +40,14 @@ var et = require('element-theme')
 // watch mode
 et.watch({
   config: 'variables/path',
+  source: 'source/path'
   out: 'output/path'
 })
 
 // build
 et.run({
   config: 'variables/path',
+  source: 'source/path'
   out: 'output/path',
   minimize: true
 })
@@ -55,6 +57,9 @@ et.run({
 ### config
 Variable file path, default `./element-variables.css`.
 
+### source
+Theme source files path, default `element-theme-default module folder`.
+
 ### out
 Theme output path, default `./theme`.
 
@@ -76,6 +81,7 @@ You can configure some options in `element-theme` by putting it in package.json:
 {
   "element-theme": {
     "browsers": ["ie > 9", "last 2 versions"],
+    "source": "theme source files",
     "out": "./theme",
     "config": "./element-variables.css",
     "theme": "element-theme-chalk",
diff --git a/bin/element-theme b/bin/element-theme
index 7987874..d6aca9a 100755
--- a/bin/element-theme
+++ b/bin/element-theme
@@ -1,28 +1,39 @@
 #!/usr/bin/env node
 
-var program = require('commander')
-var main = require('../index.js')
-var check = require('../lib/gen-vars').check
-var config = {}
+var program = require('commander');
+var main = require('../index.js');
+var check = require('../lib/gen-vars').check;
+var config = {};
 
-console.log()
+console.log();
 process.on('exit', function () {
-  console.log()
-})
+	console.log();
+});
 
 program
-  .version(require('../package.json').version)
-  .option('-i --init [filePath]', 'init variables file')
-  .option('-w --watch', 'watch variable changes then build')
-  .option('-o --out [outPath]', 'output path', function (out) {config.out = out})
-  .option('-m --minimize', 'compressed file', function (minimize) {config.minimize = minimize !== false})
-  .option('-c --config [filePath]', 'variables file', function (c) {config.config = c})
-  .option('-b --browsers <items>', 'set browsers', function (browsers) {config.browsers = browsers.split(',')})
-  .parse(process.argv)
+	.version(require('../package.json').version)
+	.option('-i --init [filePath]', 'init variables file')
+	.option('-w --watch', 'watch variable changes then build')
+	.option('-o --out [outPath]', 'output path', function (out) {
+		config.out = out;
+	})
+	.option('-m --minimize', 'compressed file', function (minimize) {
+		config.minimize = minimize !== false;
+	})
+	.option('-c --config [filePath]', 'variables file', function (c) {
+		config.config = c;
+	})
+	.option('-s --source [filePath]', 'Source path', function (s) {
+		config.themePath = s;
+	})
+	.option('-b --browsers <items>', 'set browsers', function (browsers) {
+		config.browsers = browsers.split(',');
+	})
+	.parse(process.argv);
 
-check()
+check();
 
 if (program.init) {
-  return main.init(program.init)
+	return main.init(program.init);
 }
-program.watch ? main.watch(config) : main.run(config)
+program.watch ? main.watch(config) : main.run(config);
diff --git a/index.js b/index.js
index f7edda1..dac0bae 100644
--- a/index.js
+++ b/index.js
@@ -1,37 +1,37 @@
-var gulp = require('gulp')
-var series = require('run-sequence').use(gulp)
-var task = require('./lib/task')
-var vars = require('./lib/gen-vars')
-var config = require('./lib/config')
+var gulp = require('gulp');
+var series = require('run-sequence').use(gulp);
+var task = require('./lib/task');
+var vars = require('./lib/gen-vars');
+var config = require('./lib/config');
 
 var build = function (opts) {
-  return function () {
-    return task.build(Object.assign(opts, {message: 'build element theme'}))
-  }
-}
+	return function () {
+		return task.build(Object.assign(opts, {message: 'build element theme'}));
+	};
+};
 
 var fonts = function (opts) {
-  return function () {
-    return task.fonts(Object.assign(opts, {message: 'build theme font'}))
-  }
-}
+	return function () {
+		return task.fonts(Object.assign(opts, {message: 'build theme font'}));
+	};
+};
 
 exports.init = function (filePath) {
-  filePath = {}.toString.call(filePath) === '[object String]' ? filePath : ''
-  vars.init(filePath)
-}
+	filePath = {}.toString.call(filePath) === '[object String]' ? filePath : '';
+	vars.init(filePath);
+};
 
 exports.watch = function (opts) {
-  gulp.task('build', build(opts))
-  exports.run(opts)
-  gulp.watch(opts.config || config.config, ['build'])
-}
+	gulp.task('build', build(opts));
+	exports.run(opts);
+	gulp.watch(opts.config || config.config, ['build']);
+};
 
 exports.run = function (opts, cb) {
-  gulp.task('build', build(opts))
-  gulp.task('fonts', fonts(opts))
-  if (typeof cb === 'function') {
-    return series('build', 'fonts', cb);
-  }
-  return series('build', 'fonts');
-}
+	gulp.task('build', build(opts));
+	gulp.task('fonts', fonts(opts));
+	if (typeof cb === 'function') {
+		return series('build', 'fonts', cb);
+	}
+	return series('build', 'fonts');
+};
diff --git a/lib/config.js b/lib/config.js
index caa8b08..9118484 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -1,23 +1,24 @@
-var path = require('path')
+var path = require('path');
 
-var pkg = {}
+var pkg = {};
 
 try {
-  pkg = require(path.resolve(process.cwd(), 'package.json'))
-} catch (err) {}
+	pkg = require(path.resolve(process.cwd(), 'package.json'));
+} catch (err) {
+}
 
 var config = Object.assign({
-  browsers: ['ie > 9', 'last 2 versions'],
-  out: './theme',
-  config: './element-variables.scss',
-  theme: 'element-theme-chalk',
-  minimize: false
-}, pkg['element-theme'])
+	browsers: ['ie > 9', 'last 2 versions'],
+	out: './theme',
+	config: './element-variables.scss',
+	theme: 'element-theme-chalk',
+	minimize: false
+}, pkg['element-theme']);
 
-exports.themePath = path.resolve(process.cwd(), './node_modules/' + config.theme)
-exports.out = config.out
-exports.config = config.config
-exports.minimize = config.minimize
-exports.browsers = config.browsers
-exports.components = config.components
-exports.themeName = config.theme
+exports.themePath = path.resolve(process.cwd(), './node_modules/' + config.theme);
+exports.out = config.out;
+exports.config = config.config;
+exports.minimize = config.minimize;
+exports.browsers = config.browsers;
+exports.components = config.components;
+exports.themeName = config.theme;
diff --git a/lib/gen-vars.js b/lib/gen-vars.js
index 4b4ef10..e869cb4 100644
--- a/lib/gen-vars.js
+++ b/lib/gen-vars.js
@@ -1,27 +1,27 @@
-var path = require('path')
-var fs = require('fs')
-var ora = require('ora')
-var config = require('./config')
+var path = require('path');
+var fs = require('fs');
+var ora = require('ora');
+var config = require('./config');
 
-var varsPath = path.resolve(config.themePath, './src/common/var.scss')
-var filePath = path.resolve(process.cwd(), config.config)
+var varsPath = path.resolve(config.themePath, './src/common/var.scss');
+var filePath = path.resolve(process.cwd(), config.config);
 
 exports.check = function () {
-  if (!fs.existsSync(varsPath)) {
-    ora('please install `' + config.themeName + '`').fail()
-    process.exit(1)
-  }
-}
+	if (!fs.existsSync(varsPath)) {
+		ora('please install `' + config.themeName + '`').fail();
+		process.exit(1);
+	}
+};
 
 exports.init = function (_file) {
-  var spinner = ora('Generator variables file').start()
+	var spinner = ora('Generator variables file').start();
 
-  filePath = path.resolve(process.cwd(), _file ? _file : config.config)
-  if (fs.existsSync(filePath)) {
-    spinner.text = 'Variables file already exists.'
-    spinner.fail()
-  } else {
-    fs.writeFileSync(filePath, fs.readFileSync(varsPath), 'utf-8')
-    spinner.succeed()
-  }
-}
+	filePath = path.resolve(process.cwd(), _file ? _file : config.config);
+	if (fs.existsSync(filePath)) {
+		spinner.text = 'Variables file already exists.';
+		spinner.fail();
+	} else {
+		fs.writeFileSync(filePath, fs.readFileSync(varsPath), 'utf-8');
+		spinner.succeed();
+	}
+};
diff --git a/lib/task.js b/lib/task.js
index 557e233..b09a9b3 100644
--- a/lib/task.js
+++ b/lib/task.js
@@ -1,49 +1,49 @@
-var path = require('path')
-var fs = require('fs')
-var gulp = require('gulp')
-var ora = require('ora')
-var nop = require('gulp-nop')
-var sass = require('gulp-sass')
-var autoprefixer = require('gulp-autoprefixer')
-var cssmin = require('gulp-cssmin')
-var config = require('./config')
+var path = require('path');
+var fs = require('fs');
+var gulp = require('gulp');
+var ora = require('ora');
+var nop = require('gulp-nop');
+var sass = require('gulp-sass');
+var autoprefixer = require('gulp-autoprefixer');
+var cssmin = require('gulp-cssmin');
+var config = require('./config');
 
 exports.fonts = function (opts) {
-  var spin = ora(opts.message).start()
-  var stream = gulp.src(path.resolve(config.themePath, './src/fonts/**'))
-    .pipe((opts.minimize || config.minimize) ? cssmin({showLog: false}) : nop())
-    .pipe(gulp.dest(path.resolve(opts.out || config.out, './fonts')))
-    .on('end', function () {
-      spin.succeed()
-    })
+	var spin = ora(opts.message).start();
+	var stream = gulp.src(path.resolve(opts.themePath || config.themePath, './src/fonts/**'))
+		.pipe((opts.minimize || config.minimize) ? cssmin({showLog: false}) : nop())
+		.pipe(gulp.dest(path.resolve(opts.out || config.out, './fonts')))
+		.on('end', function () {
+			spin.succeed();
+		});
 
-  return stream
-}
+	return stream;
+};
 
 exports.build = function (opts) {
-  var spin = ora(opts.message).start()
-  var stream
-  var components
-  var cssFiles = '*'
+	var spin = ora(opts.message).start();
+	var stream;
+	var components;
+	var cssFiles = '*';
 
-  if (config.components) {
-    components = config.components.concat(['base'])
-    cssFiles = '{' + components.join(',') + '}'
-  }
-  var varsPath = path.resolve(config.themePath, './src/common/var.scss')
-  fs.writeFileSync(varsPath, fs.readFileSync(path.resolve(process.cwd(), opts.config || config.config)), 'utf-8')
+	if (config.components) {
+		components = config.components.concat(['base']);
+		cssFiles = '{' + components.join(',') + '}';
+	}
+	var varsPath = path.resolve(opts.themePath || config.themePath, './src/common/var.scss');
+	fs.writeFileSync(varsPath, fs.readFileSync(path.resolve(process.cwd(), opts.config || config.config)), 'utf-8');
 
-  stream = gulp.src([opts.config || config.config, path.resolve(config.themePath, './src/' + cssFiles + '.scss')])
-    .pipe(sass.sync())
-    .pipe(autoprefixer({
-      browsers: config.browsers,
-      cascade: false
-    }))
-    .pipe((opts.minimize || config.minimize) ? cssmin({showLog: false}) : nop())
-    .pipe(gulp.dest(opts.out || config.out))
-    .on('end', function () {
-      spin.succeed()
-    })
+	stream = gulp.src([opts.config || config.config, path.resolve(opts.themePath || config.themePath, './src/' + cssFiles + '.scss')])
+		.pipe(sass.sync())
+		.pipe(autoprefixer({
+			browsers: config.browsers,
+			cascade: false
+		}))
+		.pipe((opts.minimize || config.minimize) ? cssmin({showLog: false}) : nop())
+		.pipe(gulp.dest(opts.out || config.out))
+		.on('end', function () {
+			spin.succeed();
+		});
 
-  return stream
-}
+	return stream;
+};
diff --git a/package.json b/package.json
index a6b467b..55f5f24 100644
--- a/package.json
+++ b/package.json
@@ -15,9 +15,9 @@
     "test": "xo"
   },
   "xo": {
-    "space": true,
+    "space": false,
     "rule": {
-      "semi": 0,
+      "semi": 1,
       "unicorn/no-process-exit": 0,
       "import/no-dynamic-require": 0
     }