bugfix

src/pagesStudy/pages/start-exam/start-exam.vue

@@ -299,6 +299,9 @@ const handleUpdateQuestion = (question: Study.Question) => {
  * @param fullQuestion 当前试卷数据
  */
 const restoreQuestion = (savedQuestion: Study.ExamineeQuestion[], fullQuestion: Study.ApiQuestion[]) => {
+  if (!savedQuestion) {
+    return fullQuestion;
+  }
   console.log(savedQuestion, fullQuestion)
   for (const item of fullQuestion) {
     const savedQs = savedQuestion.find(q => q.id === item.id);