diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..98b5302
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 糖饼
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/package.json b/package.json
index 2916987..fd68478 100644
--- a/package.json
+++ b/package.json
@@ -1,42 +1,42 @@
 {
-  "name": "art-template",
-  "description": "JavaScript Template Engine",
-  "homepage": "http://aui.github.com/art-template/",
-  "keywords": [
-    "template"
-  ],
-  "author": "tangbin <sugarpie.tang@gmail.com>",
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/aui/art-template.git"
-  },
-  "scripts": {
-    "build": "webpack -p",
-    "dev": "webpack -w",
-    "publish": "git push && npm run build && npm publish",
-    "test": "istanbul cover node_modules/mocha/bin/_mocha --colors 'test/**/*.js'",
-    "coverage": "cat ./coverage/lcov.info | coveralls"
-  },
-  "main": "lib/template.js",
-  "version": "4.0.0",
-  "engines": {
-    "node": ">= 4.0.0"
-  },
-  "dependencies": {
-    "detect-node": "^2.0.3",
-    "is-keyword-js": "^1.0.3",
-    "js-tokens": "^3.0.1"
-  },
-  "devDependencies": {
-    "babel-core": "^6.24.0",
-    "babel-loader": "^6.4.1",
-    "babel-preset-es2015": "^6.24.0",
-    "coveralls": "^2.13.0",
-    "eslint": "^3.19.0",
-    "eslint-loader": "^1.7.1",
-    "istanbul": "^0.4.5",
-    "mocha": "^3.2.0",
-    "webpack": "^2.3.2"
-  },
-  "license": "MIT"
-}
+    "name": "art-template",
+    "description": "JavaScript Template Engine",
+    "homepage": "http://aui.github.com/art-template/",
+    "keywords": [
+        "template"
+    ],
+    "author": "tangbin <sugarpie.tang@gmail.com>",
+    "repository": {
+        "type": "git",
+        "url": "git://github.com/aui/art-template.git"
+    },
+    "scripts": {
+        "build": "webpack -p",
+        "dev": "webpack -w",
+        "publish": "git push && npm run build && npm publish",
+        "test": "istanbul cover node_modules/mocha/bin/_mocha --colors 'test/**/*.js'",
+        "coverage": "cat ./coverage/lcov.info | coveralls"
+    },
+    "main": "lib/template.js",
+    "version": "4.0.0",
+    "engines": {
+        "node": ">= 4.0.0"
+    },
+    "dependencies": {
+        "detect-node": "^2.0.3",
+        "is-keyword-js": "^1.0.3",
+        "js-tokens": "^3.0.1"
+    },
+    "devDependencies": {
+        "babel-core": "^6.24.0",
+        "babel-loader": "^6.4.1",
+        "babel-preset-es2015": "^6.24.0",
+        "coveralls": "^2.13.0",
+        "eslint": "^3.19.0",
+        "eslint-loader": "^1.7.1",
+        "istanbul": "^0.4.5",
+        "mocha": "^3.2.0",
+        "webpack": "^2.3.2"
+    },
+    "license": "MIT"
+}
\ No newline at end of file