bug fixes

src/components/exam/examCard.vue

@@ -89,7 +89,6 @@ export default {
       countdownTimer: null, // 倒计时计时器
       countdownText: '', // 倒计时显示时间
       questionGroups: this.groups, // 所有试题分组,一组一页
-      questionCount: 0, // 小题数量
       currentGroupPage: this.groupPage, // 大题页码
       currentGroupCount: this.groupPageCount // 大题总页数
     }
@@ -131,15 +130,17 @@ export default {
   },
   watch: {
     data: {
-      deep: true,
+      immediate: true,
       handler(data) {
         data && this.dataInit(data)
       }
     },
     groups: {
+      immediate: true,
       handler(groups) {
+        if (groups.length) {
           this.questionGroups = groups
-        this.questionCount = groups.length
+        }
       }
     },
     groupPage(value) {
@@ -245,7 +246,6 @@ export default {
       const isSubmited = ['1', '2'].includes(data.status)
       this.disabled = isSubmited
       this.hasResult = isSubmited
-      this.questionCount = data.questions.total_question_count
       this.genQuestions(data)
       this.currentGroupCount = this.questionGroups.length
       if (this.$route.query.id) {
@@ -262,6 +262,7 @@ export default {
       const { questions, answers = {} } = data
       if (!questions) return []
       this.questionGroups = questions.question_items.reduce((result, question) => {
+        if (question.question_list.length) {
           question.question_list.forEach(list => {
             list = list.map(item => {
               let userAnswers = []
@@ -280,6 +281,9 @@ export default {
             })
             result.push(Object.assign({}, question, { question_list: list }))
           })
+        } else {
+          result.push(Object.assign({}, question, { question_list: [] }))
+        }
         return result
       }, [])
     },