diff --git a/package.json b/package.json
index bcf2111b5..a64c24306 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,8 @@
   "types": "./mavon-editor.d.ts",
   "scripts": {
     "dev": "webpack-dev-server --config webpack/webpack.dev.js",
-    "build": "webpack --progress --config webpack/webpack.build.js",
+    "ci-build": "webpack --progress --config webpack/webpack.build.js",
+    "build": "run-s lint test ci-build",
     "test": "jest",
     "test:coverage": "jest --coverage",
     "lint": "eslint --ext .js,.vue src/",
@@ -88,6 +89,7 @@
     "markdown-it-task-lists": "^2.1.1",
     "markdown-it-toc": "^1.1.0",
     "merges-utils": "^1.0.2",
+    "npm-run-all": "^4.1.5",
     "optimize-css-assets-webpack-plugin": "^1.3.1",
     "postcss": "^5.0.10",
     "postcss-advanced-variables": "1.2.2",
diff --git a/src/dev/app.vue b/src/dev/app.vue
index e79f8e289..0760932cc 100644
--- a/src/dev/app.vue
+++ b/src/dev/app.vue
@@ -27,6 +27,12 @@
               <button @click="imgreplace">imgreplace</button>
               <input type="text" v-model="imgName" />
               <button @click="imgdelete">delete</button>
+              <div class="switch-code-style">
+                <span>code style:</span>
+                <select v-model="codeStyle">
+                  <option v-for="(val, key) in styles" :value="key">{{ key }}</option>
+                </select>
+              </div>
             </div>
             <mavon-editor ref=md :subfield="subfield" :toolbarsFlag="toolbarsFlag" :editable="editable"
                           :language="d_language" @change="change" @save="saveone" :ishljs="true" class="item-editor" v-model="help1"
@@ -38,6 +44,7 @@
                           :boxShadow="true"
                           :scrollStyle="true"
                           :transition="true"
+                          :codeStyle="codeStyle"
                           box-shadow-style="0 2px 12px 0 rgba(0, 0, 0, 0.1)"
                           toolbars-background="#ffffff"
                           preview-background="#fbfbfb">
@@ -80,7 +87,7 @@
 </template>
 
 <script type="text/ecmascript-6">
-    // import {CONFIG} from './assets/config.js'
+    import styles from '../lib/core/hljs/lang.hljs.css.js'
     import {CONFIG} from '../lib/config.js'
     export default {
         name: 'app',
@@ -102,11 +109,6 @@
                     preview: true,
                     subfield: false
                 },
-                // xssOptions: {
-                //      escapeHtml (html) {
-                //          return html
-                //      }
-                // },
                 autofocus: true,
                 subfield: true,
                 editable: true,
@@ -165,7 +167,9 @@
                 imageClick: function (file) {
                     console.log(file);
                 },
-                imgName: ''
+                imgName: '',
+                codeStyle: "github",
+                styles
             }
         },
         created () {
@@ -283,6 +287,9 @@
         margin 0
         padding 0
         padding-bottom 50px
+    .switch-code-style
+        display inline
+        margin-left 8px
     .page-lang
         position absolute
         top 15px
diff --git a/src/dev/editor.vue b/src/dev/editor.vue
index 1263a8a41..c8b5c5734 100644
--- a/src/dev/editor.vue
+++ b/src/dev/editor.vue
@@ -1,26 +1,58 @@
 <template>
-    <div id="editor">
-        <mavon-editor style="height: 100%"></mavon-editor>
+    <div class="container">
+        <div id="editor">
+            <mavon-editor style="height: 100%" v-model="code" :codeStyle="codeStyle"></mavon-editor>
+        </div>
+        <div class="switch-code-style">
+            <span>code style:</span>
+            <select v-model="codeStyle">
+                <option v-for="(val, key) in styles" :value="key">{{ key }}</option>
+            </select>
+        </div>
     </div>
 </template>
 <script>
+import styles from '../lib/core/hljs/lang.hljs.css.js'
+
+const code = `java
+/**
+ * @author John Smith <john.smith@example.com>
+*/
+package l2f.gameserver.model;
+
+public abstract strictfp class L2Char extends L2Object {
+  public static final Short ERROR = 0x0001;
+
+  public void moveTo(int x, int y, int z) {
+    _ai = null;
+    log("Should not be called");
+    if (1 > 5) { // wtf!?
+      return;
+    }
+  }
+}`;
+
 module.exports = {
     name: 'editor',
-    data: function() {
+    data: function () {
         return {
-
+            codeStyle: "github",
+            styles,
+            code: '```' + code + '\n```'
         };
-    },
-    computed: {
-    },
-    methods: {
     }
 }
 </script>
 <style>
+.container {
+    margin: auto;
+    width: 80%;
+}
 #editor {
-  margin: auto;
-  width: 80%;
-  height: 580px;
+    height: 580px;
+}
+.switch-code-style {
+    margin-top: 10px;
+    font-size: 16px;
 }
 </style>
diff --git a/yarn.lock b/yarn.lock
index 11948ee17..516d6e70a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -537,13 +537,6 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.11.0.tgz#d61f46d83b2519250e2784daf5b09479a8b41c59"
   integrity sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==
 
-axios@^0.19.0:
-  version "0.19.2"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.2.tgz#3ea36c5d8818d0d5f8a8a97a6d36b86cdc00cb27"
-  integrity sha512-fjgm5MvRHLhx+osE2xoekY70AhARk3a6hkN+3Io1jc00jtquGvxYlKlsFUhmUET0V5te6CcZI7lcv2Ym61mjHA==
-  dependencies:
-    follow-redirects "1.5.10"
-
 babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
@@ -2137,7 +2130,7 @@ cross-spawn@^5.1.0:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
-cross-spawn@^6.0.0:
+cross-spawn@^6.0.0, cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
   integrity sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==
@@ -2369,13 +2362,6 @@ debug@2.6.9, debug@^2.2.0, debug@^2.3.3, debug@^2.6.6, debug@^2.6.8, debug@^2.6.
   dependencies:
     ms "2.0.0"
 
-debug@=3.1.0, debug@~3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
-  dependencies:
-    ms "2.0.0"
-
 debug@^3.1.0, debug@^3.1.1:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
@@ -2390,6 +2376,13 @@ debug@^4.1.0:
   dependencies:
     ms "^2.1.1"
 
+debug@~3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
+  dependencies:
+    ms "2.0.0"
+
 decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -2741,7 +2734,7 @@ errno@^0.1.1, errno@^0.1.3:
   dependencies:
     prr "~1.0.1"
 
-error-ex@^1.2.0:
+error-ex@^1.2.0, error-ex@^1.3.1:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
   integrity sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==
@@ -3405,13 +3398,6 @@ flush-write-stream@^1.0.0:
     inherits "^2.0.3"
     readable-stream "^2.3.6"
 
-follow-redirects@1.5.10:
-  version "1.5.10"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.10.tgz#7b7a9f9aea2fdff36786a94ff643ed07f4ff5e2a"
-  integrity sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==
-  dependencies:
-    debug "=3.1.0"
-
 follow-redirects@^1.0.0:
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.0.tgz#b42e8d93a2a7eea5ed88633676d6597bc8e384db"
@@ -5088,6 +5074,11 @@ json-loader@^0.5.4:
   resolved "https://registry.yarnpkg.com/json-loader/-/json-loader-0.5.7.tgz#dca14a70235ff82f0ac9a3abeb60d337a365185d"
   integrity sha512-QLPs8Dj7lnf3e3QYS1zkCo+4ZwqOiF9d/nZnYozTISxXWCfNs9yuky5rJw4/W34s7POaNlbZmQGaB5NiXCbP4w==
 
+json-parse-better-errors@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.nlark.com/json-parse-better-errors/download/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
+  integrity sha1-u4Z8+zRQ5pEHwTHRxRS6s9yLyqk=
+
 json-schema-traverse@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
@@ -5286,6 +5277,16 @@ load-json-file@^2.0.0:
     pify "^2.0.0"
     strip-bom "^3.0.0"
 
+load-json-file@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.nlark.com/load-json-file/download/load-json-file-4.0.0.tgz?cache=0&sync_timestamp=1631508607226&other_urls=https%3A%2F%2Fregistry.nlark.com%2Fload-json-file%2Fdownload%2Fload-json-file-4.0.0.tgz#2f5f45ab91e33216234fd53adab668eb4ec0993b"
+  integrity sha1-L19Fq5HjMhYjT9U62rZo607AmTs=
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^4.0.0"
+    pify "^3.0.0"
+    strip-bom "^3.0.0"
+
 loader-runner@^2.3.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.4.0.tgz#ed47066bfe534d7e84c4c7b9998c2a75607d9357"
@@ -5565,6 +5566,11 @@ memory-fs@^0.4.0, memory-fs@~0.4.1:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
+memorystream@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.nlark.com/memorystream/download/memorystream-0.3.1.tgz#86d7090b30ce455d63fbae12dda51a47ddcaf9b2"
+  integrity sha1-htcJCzDORV1j+64S3aUaR93K+bI=
+
 meow@^3.3.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
@@ -5965,6 +5971,21 @@ normalize-url@^1.4.0:
     query-string "^4.1.0"
     sort-keys "^1.0.0"
 
+npm-run-all@^4.1.5:
+  version "4.1.5"
+  resolved "https://registry.nlark.com/npm-run-all/download/npm-run-all-4.1.5.tgz#04476202a15ee0e2e214080861bff12a51d98fba"
+  integrity sha1-BEdiAqFe4OLiFAgIYb/xKlHZj7o=
+  dependencies:
+    ansi-styles "^3.2.1"
+    chalk "^2.4.1"
+    cross-spawn "^6.0.5"
+    memorystream "^0.3.1"
+    minimatch "^3.0.4"
+    pidtree "^0.3.0"
+    read-pkg "^3.0.0"
+    shell-quote "^1.6.1"
+    string.prototype.padend "^3.0.0"
+
 npm-run-path@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-2.0.2.tgz#35a9232dfa35d7067b4cb2ddf2357b1871536c5f"
@@ -6298,6 +6319,14 @@ parse-json@^2.2.0:
   dependencies:
     error-ex "^1.2.0"
 
+parse-json@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmmirror.com/parse-json/download/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
+  integrity sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=
+  dependencies:
+    error-ex "^1.3.1"
+    json-parse-better-errors "^1.0.1"
+
 parse5@4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-4.0.0.tgz#6d78656e3da8d78b4ec0b906f7c08ef1dfe3f608"
@@ -6404,6 +6433,11 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
+pidtree@^0.3.0:
+  version "0.3.1"
+  resolved "https://registry.nlark.com/pidtree/download/pidtree-0.3.1.tgz#ef09ac2cc0533df1f3250ccf2c4d366b0d12114a"
+  integrity sha1-7wmsLMBTPfHzJQzPLE02aw0SEUo=
+
 pify@^2.0.0, pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -7226,6 +7260,15 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
+read-pkg@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.nlark.com/read-pkg/download/read-pkg-3.0.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.nlark.com%2Fread-pkg%2Fdownload%2Fread-pkg-3.0.0.tgz#9cbc686978fee65d16c00e2b19c237fcf6e38389"
+  integrity sha1-nLxoaXj+5l0WwA4rGcI3/Pbjg4k=
+  dependencies:
+    load-json-file "^4.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^3.0.0"
+
 "readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.6:
   version "2.3.7"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
@@ -7824,6 +7867,11 @@ shebang-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
   integrity sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
 
+shell-quote@^1.6.1:
+  version "1.7.3"
+  resolved "https://registry.npmmirror.com/shell-quote/download/shell-quote-1.7.3.tgz#aa40edac170445b9a431e17bb62c0b881b9c4123"
+  integrity sha1-qkDtrBcERbmkMeF7tiwLiBucQSM=
+
 shellwords@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
@@ -8155,6 +8203,15 @@ string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
+string.prototype.padend@^3.0.0:
+  version "3.1.3"
+  resolved "https://registry.npmmirror.com/string.prototype.padend/download/string.prototype.padend-3.1.3.tgz?cache=0&sync_timestamp=1633395740145&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fstring.prototype.padend%2Fdownload%2Fstring.prototype.padend-3.1.3.tgz#997a6de12c92c7cb34dc8a201a6c53d9bd88a5f1"
+  integrity sha1-mXpt4SySx8s03IogGmxT2b2IpfE=
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+    es-abstract "^1.19.1"
+
 string.prototype.trimend@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.0.tgz#ee497fd29768646d84be2c9b819e292439614373"