diff --git a/packages/devui-vue/devui/editor-md/src/composables/md-render-service.ts b/packages/devui-vue/devui/editor-md/src/composables/md-render-service.ts
index 32e7c5e720..e3e3a688da 100644
--- a/packages/devui-vue/devui/editor-md/src/composables/md-render-service.ts
+++ b/packages/devui-vue/devui/editor-md/src/composables/md-render-service.ts
@@ -73,7 +73,11 @@ export class MDRenderService {
   setCustomXssRules(rules: ICustomXssRule[]) {
     if (rules) {
       rules.forEach((rule) => {
-        this.xssWhiteList[rule['key']] = rule['value'];
+        if (rule['value'] === null) {
+          delete this.xssWhiteList[rule['key']];
+        } else {
+          this.xssWhiteList[rule['key']] = rule['value'];
+        }
       });
     }
   }
diff --git a/packages/devui-vue/devui/editor-md/src/editor-md-types.ts b/packages/devui-vue/devui/editor-md/src/editor-md-types.ts
index 1774cbd148..40dc634df2 100644
--- a/packages/devui-vue/devui/editor-md/src/editor-md-types.ts
+++ b/packages/devui-vue/devui/editor-md/src/editor-md-types.ts
@@ -16,7 +16,7 @@ export interface MdPlugin {
 
 export interface ICustomXssRule {
   key: string;
-  value: string[];
+  value: string[] | null;
 }
 
 export interface ICustomRenderRule {
diff --git a/packages/devui-vue/devui/editor-md/src/toolbar-config.ts b/packages/devui-vue/devui/editor-md/src/toolbar-config.ts
index 29f35fac14..588bd41619 100644
--- a/packages/devui-vue/devui/editor-md/src/toolbar-config.ts
+++ b/packages/devui-vue/devui/editor-md/src/toolbar-config.ts
@@ -75,8 +75,7 @@ class ToolBarHandler {
 
     if (cursor.ch !== 0) {
       editor.setCursor(cursor.line, 0);
-      editor.replaceSelection('# ' + selection);
-      editor.setCursor(cursor.line, cursor.ch + 2);
+      editor.replaceSelection('# ');
     } else {
       editor.replaceSelection('# ' + selection);
     }
@@ -89,8 +88,7 @@ class ToolBarHandler {
 
     if (cursor.ch !== 0) {
       editor.setCursor(cursor.line, 0);
-      editor.replaceSelection('## ' + selection);
-      editor.setCursor(cursor.line, cursor.ch + 3);
+      editor.replaceSelection('## ');
     } else {
       editor.replaceSelection('## ' + selection);
     }
diff --git a/packages/devui-vue/docs/components/editor-md/index.md b/packages/devui-vue/docs/components/editor-md/index.md
index badb30e6af..fb7b4d1c12 100644
--- a/packages/devui-vue/docs/components/editor-md/index.md
+++ b/packages/devui-vue/docs/components/editor-md/index.md
@@ -58,6 +58,10 @@ export default defineComponent({
         key: 'kbd',
         value: [], // 为空表示过滤所有属性，放开属性则添加对应项，如['id', 'style']
       },
+      {
+        key: 'input',
+        value: null, // value值为null，则对应标签不会被渲染
+      }
     ])
     const customRendererRules = ref([
       {
@@ -635,7 +639,7 @@ interface ICustomRenderRule {
 ```ts
 interface ICustomXssRule {
   key: string;
-  value: string[];
+  value: string[] | null;
 }
 ```
 
diff --git a/packages/devui-vue/package.json b/packages/devui-vue/package.json
index 91b2c9f955..2992568eb6 100644
--- a/packages/devui-vue/package.json
+++ b/packages/devui-vue/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-devui",
-  "version": "1.6.3-markdown.1",
+  "version": "1.6.3-markdown.2",
   "license": "MIT",
   "description": "DevUI components based on Vite and Vue3",
   "keywords": [