diff --git a/doc/cn/markdown.md b/doc/cn/markdown.md
index 44b70fa8d..bb7e09939 100644
--- a/doc/cn/markdown.md
+++ b/doc/cn/markdown.md
@@ -14,8 +14,6 @@
 ```javascript
   import {mavonEditor} from 'mavon-editor'
   mavonEditor.getMarkdownIt()
-  或者
-  mavonEditor.mixins[0].data().markdownIt
 ```
 
 #### 方法3 通过mavonEditor的实例获取
@@ -58,7 +56,7 @@ export default {
   },
   computed: {
     rawHtml: function() {
-      return mavonEditor.mixins[0].data().markdownIt.render(this.markdown);
+      return mavonEditor.getMarkdownIt().render(this.markdown);
     }
   },
 };
diff --git a/doc/en/markdown.md b/doc/en/markdown.md
index dc4ef151e..f01dccfbc 100644
--- a/doc/en/markdown.md
+++ b/doc/en/markdown.md
@@ -14,8 +14,6 @@
 ```javascript
   import {mavonEditor} from 'mavon-editor'
   mavonEditor.getMarkdownIt()
-  or
-  mavonEditor.mixins[0].data().s_markdown
 ```
 
 #### method 3: Use mavonEditor ref
@@ -58,7 +56,7 @@ export default {
   },
   computed: {
     rawHtml: function() {
-      return mavonEditor.mixins[0].data().markdownIt.render(this.markdown);
+      return mavonEditor.getMarkdownIt().render(this.markdown);
     }
   },
 };
diff --git a/src/dev/demo.vue b/src/dev/demo.vue
index fcfed4a34..fa5e04624 100644
--- a/src/dev/demo.vue
+++ b/src/dev/demo.vue
@@ -6,7 +6,7 @@
     </div>
     <div>
       <App v-if="viewIndex == 1"></App>
-      <Editor v-if="viewIndex == 2"></Editor>
+      <Editor v-else-if="viewIndex == 2"></Editor>
     </div>
   </div>
 </template>
diff --git a/src/index.js b/src/index.js
index 69ed6b587..166af5e7d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -9,6 +9,10 @@
  */
 const mavonEditor = require('./mavon-editor.vue');
 const VueMavonEditor = {
+    /**
+     * @deprecated
+     * @see mavonEditor.getMarkdownIt()
+     */
     markdownIt: mavonEditor.mixins[0].data().markdownIt,
     mavonEditor: mavonEditor,
     LeftToolbar: require('./components/md-toolbar-left'),
diff --git a/src/lib/mixins/markdown.js b/src/lib/mixins/markdown.js
index 63f1d3b20..6570a7485 100644
--- a/src/lib/mixins/markdown.js
+++ b/src/lib/mixins/markdown.js
@@ -55,7 +55,7 @@ var hljs_opts = {
     }
 };
 
-function initMarkdown() {
+export function initMarkdown() {
     const markdown = new MarkdownIt(markdown_config);
 
     // add target="_blank" to all link
diff --git a/src/mavon-editor.vue b/src/mavon-editor.vue
index 52c3f0cb7..9d4a92c3e 100644
--- a/src/mavon-editor.vue
+++ b/src/mavon-editor.vue
@@ -113,8 +113,7 @@ import {stopEvent} from './lib/util.js'
 import {toolbar_left_click, toolbar_left_addlink} from './lib/toolbar_left_click.js'
 import {toolbar_right_click} from './lib/toolbar_right_click.js'
 import {CONFIG} from './lib/config.js'
-import markdown from './lib/mixins/markdown.js'
-
+import markdown, {initMarkdown} from './lib/mixins/markdown.js'
 import md_toolbar_left from './components/md-toolbar-left.vue'
 import md_toolbar_right from './components/md-toolbar-right.vue'
 import "./lib/font/css/fontello.css"
@@ -360,7 +359,11 @@ export default {
         document.body.removeChild(this.$refs.help);
     },
     getMarkdownIt() {
-        return this.mixins[0].data().markdownIt
+        let mdIt = this.mixins[0].data().markdownIt;
+        if (!mdIt) {
+            mdIt = initMarkdown();
+        }
+        return mdIt
     },
     methods: {
         loadExternalLink(name, type, callback) {