fix:麦克风文案调整，编辑内容缺失bug

src/common/constants/academic.js

 /*
  * @Author: 吴文洁
  * @Date: 2020-03-19 16:45:42
- * @LastEditors: houyan
- * @LastEditTime: 2020-06-24 11:24:54
+ * @LastEditors: yuananting
+ * @LastEditTime: 2021-03-25 16:04:02
  * @Description: 
  */
 import XMEnum from './XMEnum';
@@ -29,12 +29,12 @@ export const RECORD_ERROR = new XMEnum([
   {
     name: 'NotAllowedError',
     title: '请允许网页使用麦克风',
-    content: '麦克风已被禁用，请现在浏览器设置中允许当前望重使用你的麦克风'
+    content: '请检查开启麦克风权限后重试'
   },
   {
     name: 'PermissionDeniedError',
     title: '请允许浏览器使用麦克风',
-    content: '麦克风已被禁用，请现在浏览器设置中允许使用麦克风'
+    content: '请检查开启麦克风权限后重试'
   },
   {
     name: 'NotFoundError',

src/modules/teach-tool/components/QuestionEditor.jsx

@@ -157,10 +157,6 @@ class QuestionEditor extends Component {
           }
         }.bind(this)
       );
-
-      if (counter === 0) {
-        this.props.changeBlankCount(stemDom);
-      }
     }
 
     editorRoot.config.onchange = (html) => {