Merge branch 'feature/yuananting/20210221/question-bank-tools' into gray

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

@@ -2,7 +2,7 @@
  * @Author: yuananting
  * @Date: 2021-02-25 14:34:29
  * @LastEditors: yuananting
- * @LastEditTime: 2021-03-24 14:15:12
+ * @LastEditTime: 2021-03-25 15:03:01
  * @Description: 助学工具-题库-题目管理-新建题目Tab
  * @Copyrigh: © 2020 杭州杰竞科技有限公司 版权所有
  */
@@ -763,6 +763,15 @@ class NewQuestionTab extends Component {
   ) => {
     const { blanksList } = this.state;
     const isGapFilling = this.props.questionTypeKey === "GAP_FILLING";
+    if (contentList.length === 0) {
+      contentList.push({
+        content: "",
+        contentType: "QUESTION_ANSWER_DESC",
+        sort: 0,
+        textLength: 0,
+        type: "RICH_TEXT",
+      });
+    }
     const editorContent = _.find(
       contentList,
       (contentItem) => contentItem.type === "RICH_TEXT"