diff --git a/package.json b/package.json
index e0671c1..a30e3ca 100644
--- a/package.json
+++ b/package.json
@@ -1,26 +1,26 @@
 {
-    "name": "arale-events",
-    "version": "1.2.0",
-    "description": "提供基本的事件添加、移除和触发功能。",
-    "keywords": ["infrastructure"],
-    "homepage": "http://aralejs.org/events/",
-    "author": "玉伯 <lifesinger@gmail.com>",
-    "maintainers": [
-        "玉伯 <lifesinger@gmail.com>",
-        "贯高 <sakura9515@gmail.com>"
-    ],
-    "repository": {
-        "type": "git",
-        "url": "https://github.com/aralejs/events.git"
-    },
-    "bugs": {
-        "url": "https://github.com/aralejs/events/issues"
-    },
-    "spm": {
-        "main": "events.js",
-        "devDependencies": {
-            "expect.js": "0.3.1",
-            "sinon": "1.6.0"
-        }
+  "name": "arale-events",
+  "version": "1.2.0",
+  "description": "提供基本的事件添加、移除和触发功能。",
+  "keywords": ["infrastructure"],
+  "homepage": "http://aralejs.org/events/",
+  "author": "玉伯 <lifesinger@gmail.com>",
+  "maintainers": [
+    "玉伯 <lifesinger@gmail.com>",
+    "贯高 <sakura9515@gmail.com>"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/aralejs/events.git"
+  },
+  "bugs": {
+    "url": "https://github.com/aralejs/events/issues"
+  },
+  "spm": {
+    "main": "events.js",
+    "devDependencies": {
+      "expect.js": "0.3.1",
+      "sinon": "1.6.0"
     }
+  }
 }