FIX:课程题库 新增试题未清空历史选项的问题

src/views/course/courseQuestionBank/index.vue

@@ -546,6 +546,12 @@ export default {
     /** 新增按钮操作 */
     handleAdd() {
       this.reset();
+      this.question = [
+        { name: "", isAnswer: 0, indexId:0},
+        { name: "", isAnswer: 0, indexId:1},
+        { name: "", isAnswer: 0, indexId:2},
+        { name: "", isAnswer: 0, indexId:3},
+      ]
       this.questionSubTypeOptions = []
       this.open = true;
       this.title = "添加题库";