diff --git a/package.json b/package.json
index c5d9c24f..76975a42 100755
--- a/package.json
+++ b/package.json
@@ -38,56 +38,37 @@
     "babel-runtime": "^6.0.0"
   },
   "devDependencies": {
+    "autoprefixer": "^7.1.1",
     "babel-core": "^6.9.1",
     "babel-eslint": "^6.1.2",
     "babel-loader": "^7.1.2",
-    "babel-preset-es2015": "^6.9.0",
-    "babel-plugin-external-helpers": "^6.22.0",
     "babel-plugin-add-module-exports": "^0.2.1",
+    "babel-plugin-external-helpers": "^6.22.0",
+    "babel-plugin-istanbul": "^4.1.4",
     "babel-plugin-transform-es2015-modules-umd": "^6.12.0",
     "babel-plugin-transform-runtime": "^6.9.0",
+    "babel-preset-es2015": "^6.9.0",
     "babel-preset-stage-2": "^6.5.0",
+    "basic-mouse-event-polyfill-phantomjs": "0.0.2",
+    "chai": "^3.5.0",
+    "chalk": "^1.1.3",
+    "codecov": "^2.2.0",
+    "copy-webpack-plugin": "^4.0.1",
+    "cross-env": "^5.0.5",
+    "css-loader": "^0.28.0",
     "eslint": "^2.10.2",
+    "eslint-config-standard": "^5.1.0",
     "eslint-friendly-formatter": "^2.0.7",
     "eslint-loader": "^1.3.0",
     "eslint-plugin-html": "^1.3.0",
-    "eslint-config-standard": "^5.1.0",
     "eslint-plugin-promise": "^1.0.8",
     "eslint-plugin-standard": "^1.3.2",
-    "webpack": "^3.4.1",
-    "webpack-dev-middleware": "^1.12.0",
-    "webpack-hot-middleware": "^2.18.2",
-    "webpack-merge": "^4.1.0",
-    "html-webpack-plugin": "^2.28.0",
-    "friendly-errors-webpack-plugin": "^1.1.3",
-    "stylus": "^0.54.5",
-    "stylus-loader": "^2.1.1",
-    "opn": "^4.0.2",
     "eventsource-polyfill": "^0.9.6",
     "express": "^4.14.1",
-    "rollup": "^0.43.0",
-    "rollup-plugin-babel": "^2.7.1",
-    "css-loader": "^0.28.0",
-    "postcss-loader": "^2.0.5",
-    "style-loader": "^0.13.1",
-    "vue-loader": "^11.3.4",
-    "vue-style-loader": "^2.0.5",
-    "vue-template-compiler": "^2.4.2",
-    "vue": "^2.4.2",
-    "vue-router": "^2.7.0",
-    "vue-i18n": "^7.2.0",
-    "autoprefixer": "^7.1.1",
-    "uglify-js": "^3.0.27",
     "extract-text-webpack-plugin": "^3.0.0",
-    "optimize-css-assets-webpack-plugin": "^1.3.0",
-    "copy-webpack-plugin": "^4.0.1",
-    "chalk": "^1.1.3",
-    "ora": "^1.2.0",
-    "rimraf": "^2.6.0",
-    "url-loader": "^0.5.9",
     "file-loader": "^0.11.1",
-    "vconsole": "^2.5.2",
-    "cross-env": "^5.0.5",
+    "friendly-errors-webpack-plugin": "^1.1.3",
+    "html-webpack-plugin": "^2.28.0",
     "karma": "^1.7.0",
     "karma-coverage": "^1.1.1",
     "karma-mocha": "^1.3.0",
@@ -97,10 +78,30 @@
     "karma-spec-reporter": "0.0.31",
     "karma-webpack": "^2.0.4",
     "mocha": "^3.5.0",
-    "chai": "^3.5.0",
+    "opn": "^4.0.2",
+    "optimize-css-assets-webpack-plugin": "^1.3.0",
+    "ora": "^1.2.0",
+    "postcss-loader": "^2.0.5",
+    "rimraf": "^2.6.0",
+    "rollup": "^0.43.0",
+    "rollup-plugin-babel": "^2.7.1",
     "sinon": "^2.1.0",
     "sinon-chai": "^2.13.0",
-    "babel-plugin-istanbul": "^4.1.4",
-    "codecov": "^2.2.0"
+    "style-loader": "^0.13.1",
+    "stylus": "^0.54.5",
+    "stylus-loader": "^2.1.1",
+    "uglify-js": "^3.0.27",
+    "url-loader": "^0.5.9",
+    "vconsole": "^2.5.2",
+    "vue": "^2.4.2",
+    "vue-i18n": "^7.2.0",
+    "vue-loader": "^11.3.4",
+    "vue-router": "^2.7.0",
+    "vue-style-loader": "^2.0.5",
+    "vue-template-compiler": "^2.4.2",
+    "webpack": "^3.4.1",
+    "webpack-dev-middleware": "^1.12.0",
+    "webpack-hot-middleware": "^2.18.2",
+    "webpack-merge": "^4.1.0"
   }
 }
diff --git a/test/unit/specs/modules/dom.js b/test/unit/specs/modules/dom.js
index 5ee40728..19d6f851 100644
--- a/test/unit/specs/modules/dom.js
+++ b/test/unit/specs/modules/dom.js
@@ -1,3 +1,5 @@
+import 'basic-mouse-event-polyfill-phantomjs'
+
 import { addEvent, removeEvent, offset, getRect, preventDefaultException, tap, click, prepend } from 'scroll/util/dom'
 
 describe('dom.js', () => {