fix:题库编辑超出4个选项信息缺失

src/modules/teach-tool/question-manage/components/OperateQuestionTab.jsx

 /*
  * @Author: yuananting
  * @Date: 2021-02-25 14:34:29
- * @LastEditors: wufan
- * @LastEditTime: 2021-05-14 18:17:08
+ * @LastEditors: yuananting
+ * @LastEditTime: 2021-06-04 17:06:46
  * @Description: 助学工具-题库-操作题目Tab
  * @Copyrigh: © 2020 杭州杰竞科技有限公司 版权所有
  */
@@ -67,22 +67,19 @@ class OperateQuestionTab extends Component {
 
   componentDidMount() {
     const { chooseOptions } = this.state;
-    if (
-      ["INDEFINITE_CHOICE", "MULTI_CHOICE", "SINGLE_CHOICE"].includes(
-        this.props.questionTypeKey
-      )
-    ) {
-      if (chooseOptions.length === 0) {
+    const { questionTypeKey } = this.props;
+    const isEditCurrent = getParameterByName("id") && getParameterByName("type") === questionTypeKey;
+    const optionSize = isEditCurrent ? 20 : 4;
+    if (["INDEFINITE_CHOICE", "MULTI_CHOICE", "SINGLE_CHOICE"].includes(questionTypeKey)) {
         // 选择题（单选 多选 不定项）-插入4条默认选项
-        for (var i = 0; i < 4; i++) {
-          this.handleAddOption();
-          this.setState({
-            [`optionsValidate_${i}`]: "success",
-            [`optionsText_${i}`]: "",
-          });
-        }
+      for (var i = 0; i < optionSize; i++) {
+        this.handleAddOption();
+        this.setState({
+          [`optionsValidate_${i}`]: "success",
+          [`optionsText_${i}`]: "",
+        });
       }
-    } else if (this.props.questionTypeKey === "JUDGE") {
+    } else if (questionTypeKey === "JUDGE") {
       this.initJudgeOption("正确");
       this.initJudgeOption("错误");
     }