update:

1. vue 和 vue-template-compiler升级到2.6.11

@@ -36,7 +36,6 @@
     "moment": "^2.29.4",
     "npm": "^6.8.0",
     "nprogress": "^0.2.0",
-    "prismjs": "^1.29.0",
     "script-loader": "^0.7.2",
     "sortablejs": "^1.15.0",
     "vue": "^2.5.2",

@@ -26,7 +26,8 @@ import vuepressTheme from '@kangc/v-md-editor/lib/theme/vuepress.js';
 import '@kangc/v-md-editor/lib/theme/style/vuepress.css';
 import createTodoListPlugin from '@kangc/v-md-editor/lib/plugins/todo-list/index';
 import '@kangc/v-md-editor/lib/plugins/todo-list/todo-list.css';
-import Prism from 'prismjs';
+// import Prism from 'prismjs';
+import Prism from '@kangc/v-md-editor/lib/theme/prism.js';
 
 
 VueMarkdownEditor.use(vuepressTheme, {