bug fixes

src/components/exam/examCard.vue

@@ -138,12 +138,9 @@ export default {
       }
     },
     groups: {
-      immediate: true,
       handler(groups) {
-        if (groups.length) {
         this.questionGroups = groups
       }
-      }
     },
     groupPage(value) {
       this.currentGroupPage = value

src/pages/exam/myExam/questionDetails.vue

@@ -122,6 +122,9 @@ export default {
       }
       return api.getAllQuestion(param).then(response => {
         this.allQuestionList = response.list
+        if (!this.allQuestionList.length) {
+          this.handleBack()
+        }
       })
     },
     // 清空