diff --git a/themes/yilia/package-lock.json b/themes/yilia/package-lock.json
index b909f9d..9c13f32 100644
--- a/themes/yilia/package-lock.json
+++ b/themes/yilia/package-lock.json
@@ -3451,8 +3451,7 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3473,14 +3472,12 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3495,20 +3492,17 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3625,8 +3619,7 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3638,7 +3631,6 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3653,7 +3645,6 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -3661,14 +3652,12 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -3687,7 +3676,6 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3768,8 +3756,7 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3781,7 +3768,6 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3867,8 +3853,7 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3904,7 +3889,6 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3924,7 +3908,6 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3969,14 +3952,12 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         }
       }
     },
@@ -4943,11 +4924,6 @@
       "integrity": "sha512-M7kLczedRMYX4L8Mdh4MzyAMM9O5osx+4FcOQuTvr3A9F2D9S5JXheN0ewNbrvK2UatkTRhL5ejGmGSjNMiZuw==",
       "dev": true
     },
-    "js-cookie": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/js-cookie/-/js-cookie-2.2.0.tgz",
-      "integrity": "sha1-Gywnmm7s44ChIWi5JIUmWzWx7/s="
-    },
     "js-tokens": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
diff --git a/themes/yilia/package.json b/themes/yilia/package.json
index b6f9ea7..cf9aeb6 100644
--- a/themes/yilia/package.json
+++ b/themes/yilia/package.json
@@ -43,7 +43,6 @@
     "babel-preset-stage-2": "^6.24.1",
     "badjs-report": "^1.2.2",
     "es6-promise": "^4.0.5",
-    "js-cookie": "^2.1.3",
     "leancloud-storage": "^3.7.3",
     "qrious": "^4.0.2"
   }
diff --git a/themes/yilia/webpack.config.js b/themes/yilia/webpack.config.js
index 6866289..eda34a9 100644
--- a/themes/yilia/webpack.config.js
+++ b/themes/yilia/webpack.config.js
@@ -15,9 +15,9 @@ module.exports = function(env, argv) {
   let isProd = argv.mode === 'production'
   return {
     entry: {
-      main: './source-src/js/main.js',
+      main: ['babel-polyfill', './source-src/js/main.js'],
       slider: './source-src/js/slider.js',
-      mobile: ['babel-polyfill', './source-src/js/mobile.js'],
+      mobile: './source-src/js/mobile.js',
       viewer: './source-src/js/viewer.js'
     },
     output: {