diff --git a/.editorconfig b/.editorconfig
deleted file mode 100644
index 9f7427f..0000000
--- a/.editorconfig
+++ /dev/null
@@ -1,22 +0,0 @@
-# EditorConfig is awesome: http://EditorConfig.org
-
-# top-most EditorConfig file
-root = true
-
-[*]
-charset = utf-8
-end_of_line = lf
-indent_style = tab
-indent_size = 2
-insert_final_newline = true
-tab_width = 4
-trim_trailing_whitespace = true
-block_comment_start = /*
-block_comment = *
-block_comment_end = */
-
-[*.{cmd,bat}]
-end_of_line = crlf
-
-[{package.json,*.yml}]
-indent_style = space
diff --git a/.eslintrc.json b/.eslintrc.json
deleted file mode 100644
index bb860b5..0000000
--- a/.eslintrc.json
+++ /dev/null
@@ -1,73 +0,0 @@
-{
-	"parserOptions": {
-		"sourceType": "script",
-		"impliedStrict": false
-	},
-	"env": {
-		"es6": true,
-		"node": true
-	},
-	"extends": [
-		"standard"
-	],
-	"root": true,
-	"rules": {
-		"comma-dangle": [
-			"error",
-			{
-				"arrays": "always-multiline",
-				"objects": "always-multiline",
-				"imports": "always-multiline",
-				"exports": "always-multiline",
-				"functions": "never"
-			}
-		],
-		"indent": [
-			"error",
-			"tab",
-			{
-				"SwitchCase": 1
-			}
-		],
-		"no-tabs": [
-			"off"
-		],
-		"no-var": [
-			"error"
-		],
-		"prefer-arrow-callback": [
-			"error"
-		],
-		"prefer-const": [
-			"error"
-		],
-		"quotes": [
-			"error",
-			"double"
-		],
-		"semi": [
-			"error",
-			"always",
-			{
-				"omitLastInOneLineBlock": false
-			}
-		],
-		"strict": [
-			"error",
-			"safe"
-		]
-	},
-	"overrides": [
-		{
-			"files": [
-				"test/**/*"
-			],
-			"env": {
-				"mocha": true
-			},
-			"rules": {
-				"no-template-curly-in-string": "off"
-			}
-		}
-	]
-}
diff --git a/.travis.yml b/.travis.yml
index f860632..655452a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,9 @@ language: node_js
 
 node_js:
   - stable
-  - 4
+
+script:
+  - nyc mocha --no-timeouts
 
 after_script:
-  - npm run report-coverage
+  - codecov
diff --git a/LICENSE b/LICENSE
index 44c6e33..d9c0f45 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017 刘祺
+Copyright (c) 2018 刘祺
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index f9fe534..9499273 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,13 @@ First thing's first, install the module:
 npm install postcss-syntax postcss-html --save-dev
 ```
 
+If you want support SCSS/SASS/LESS/SugarSS syntax, you need to install the corresponding module.
+
+- SCSS: [postcss-scss](https://github.com/postcss/postcss-scss)
+- SASS: [postcss-sass](https://github.com/aleshaoleg/postcss-sass)
+- LESS: [postcss-less](https://github.com/shellscape/postcss-less)
+- SugarSS: [sugarss](https://github.com/postcss/sugarss)
+
 ## Use Cases
 
 ```js
diff --git a/lib/extract.js b/extract.js
similarity index 100%
rename from lib/extract.js
rename to extract.js
diff --git a/lib/index.js b/index.js
similarity index 55%
rename from lib/index.js
rename to index.js
index 66e429d..4ce58ab 100644
--- a/lib/index.js
+++ b/index.js
@@ -1,5 +1,5 @@
 "use strict";
 const extract = require("./extract");
-const syntax = require("postcss-syntax/lib/syntax")(extract);
+const syntax = require("postcss-syntax/syntax")(extract);
 
 module.exports = syntax;
diff --git a/package.json b/package.json
index 8f2ffbb..f1bcb6a 100644
--- a/package.json
+++ b/package.json
@@ -1,26 +1,7 @@
 {
   "name": "postcss-html",
-  "version": "0.22.0",
+  "version": "0.23.1",
   "description": "PostCSS syntax for parsing HTML (and HTML-like)",
-  "main": "lib/index.js",
-  "scripts": {
-    "report-coverage": "codecov",
-    "pretest": "eslint lib test",
-    "test": "nyc mocha --no-timeouts"
-  },
-  "nyc": {
-    "lines": 100,
-    "statements": 100,
-    "functions": 100,
-    "branches": 100,
-    "reporter": [
-      "lcov",
-      "text"
-    ],
-    "all": true,
-    "cache": true,
-    "check-coverage": true
-  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/gucong3000/postcss-html.git"
@@ -45,29 +26,35 @@
     "url": "https://github.com/gucong3000/postcss-html/issues"
   },
   "homepage": "https://github.com/gucong3000/postcss-html#readme",
+  "nyc": {
+    "reporter": [
+      "lcov",
+      "text"
+    ],
+    "all": true,
+    "cache": true,
+    "check-coverage": true
+  },
+  "scripts": {
+    "test": "nyc mocha --no-timeouts"
+  },
   "dependencies": {
     "htmlparser2": "^3.9.2"
   },
   "peerDependencies": {
     "postcss": ">=5.0.0",
-    "postcss-syntax": "*"
+    "postcss-syntax": ">=0.3.0"
   },
   "devDependencies": {
     "autoprefixer": "^8.3.0",
     "chai": "^4.1.2",
     "codecov": "^3.0.1",
-    "eslint": "^4.19.1",
-    "eslint-config-standard": "^11.0.0",
-    "eslint-plugin-import": "^2.11.0",
-    "eslint-plugin-node": "^6.0.1",
-    "eslint-plugin-promise": "^3.7.0",
-    "eslint-plugin-standard": "^3.1.0",
     "mocha": "^5.1.1",
     "nyc": "^11.7.1",
     "postcss": "^6.0.21",
     "postcss-less": "^1.1.5",
     "postcss-scss": "^1.0.5",
-    "postcss-syntax": "github:gucong3000/postcss-syntax#HEAD",
+    "postcss-syntax": "^0.3.0",
     "sugarss": "^1.0.1"
   }
 }