chore: update

src/views/Exam.vue

@@ -120,8 +120,8 @@ export default {
         const res = await api.getTopic(this.examId, { show_answer: this.pageOptions.showAnswer ? '1' : undefined })
         this.paper = res
         this.questionItems = this.genQuestionList(res.question_items)
+        await this.fetchExamCache()
         this.setCacheExamTimer()
-        this.fetchExamCache()
       } catch (error) {
         this.$router.replace({ name: 'login', params: { examId: this.examId }, query: this.$route.query })
       }
@@ -233,7 +233,7 @@ export default {
       // 10 秒缓存一次试卷
       this.cacheExamTimer = setInterval(() => {
         this.postCacheExam()
-      }, 10000)
+      }, 5000)
     },
     // 倒计时
     setCountdownTimer() {