diff --git a/.env.development b/.env.development
index 78ca8aaef..203a99a11 100644
--- a/.env.development
+++ b/.env.development
@@ -20,6 +20,6 @@ VUE_APP_LOGOUT_PATH = '/core/auth/logout/'
 
 
 # Dev server for core proxy
-VUE_APP_CORE_HOST = 'http://localhost:8080'
-VUE_APP_CORE_WS = 'ws://localhost:8080'
+VUE_APP_CORE_HOST = 'https://jumpserver-test.fit2cloud.com/'
+VUE_APP_CORE_WS = 'wss://jumpserver-test.fit2cloud.com/'
 VUE_APP_ENV = 'development'
diff --git a/public/index.html b/public/index.html
index 081580329..d6202b2f1 100644
--- a/public/index.html
+++ b/public/index.html
@@ -9,6 +9,20 @@
     <meta http-equiv="Cache" content="no-cache">
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
     <title><%= webpackConfig.name %></title>
+    <style>
+      ::-webkit-scrollbar {
+        width:10px;
+      }
+      ::-webkit-scrollbar-track {
+        box-shadow: inset 0 0 5px rgba(0,0,0,0.3);
+        border-radius:10px;
+      }
+      ::-webkit-scrollbar-thumb {
+        border-radius:10px;
+        background:rgba(167, 177, 194, 0.2);
+        box-shadow: inset 0 0 5px rgba(0,0,0,0.4);
+      }
+    </style>
   </head>
   <body>
     <noscript>
diff --git a/src/main.js b/src/main.js
index 9919009ca..99382b56e 100644
--- a/src/main.js
+++ b/src/main.js
@@ -3,8 +3,8 @@ import Vue from 'vue'
 import 'normalize.css/normalize.css' // A modern alternative to CSS resets
 
 import ElementUI from 'element-ui'
-import 'element-ui/lib/theme-chalk/index.css'
-import locale from 'element-ui/lib/locale/lang/en' // lang i18n
+import 'elementCss'
+import locale from 'elementLocale'
 
 import '@/styles/index.scss' // global css
 
diff --git a/vue.config.js b/vue.config.js
index b7cf4cdbe..77ec1f3d6 100644
--- a/vue.config.js
+++ b/vue.config.js
@@ -82,8 +82,13 @@ module.exports = {
     name: name,
     resolve: {
       alias: {
-        '@': resolve('src')
-      }
+        '@': resolve('src'),
+        elementCss: resolve('node_modules/element-ui/lib/theme-chalk/index.css'),
+        elementLocale: resolve('node_modules/element-ui/lib/locale/lang/en.js'),
+      },
+      resolve: {
+        extensions: ['.vue', '.js', '.json'], 
+      },
     },
     plugins: [
       new CompressionWebpackPlugin({
