fix:修改bug

src/modules/teacher/data/exam/components/ExamInfo.vue

@@ -26,7 +26,7 @@
         <div class="title">考试总时长</div>
         <div>
           <span class="num">{{ dataInfo.paper_info.times }}</span
-          ><span class="fen">小时</span>
+          ><span class="fen">分钟</span>
         </div>
       </el-col>
     </el-row>

src/modules/teacher/data/exam/views/TopicData.vue

@@ -3,7 +3,7 @@
     <question-details class="exam" :data="examData" v-if="examData.type != 3"></question-details>
     <div class="flex-box">
       <topic-data-info :data="topicInfo" class="flex"></topic-data-info>
-      <topic-data-chart :data="examData" class="flex"></topic-data-chart>
+      <topic-data-chart :data="examData" class="flex" v-if="examData.type != 3"></topic-data-chart>
     </div>
     <el-card>
       <div slot="header" style="display: flex; align-items: center">
@@ -83,7 +83,7 @@ export default {
             const findOpt = opt.find(d => d.id === item)
             findOpt && answer.push(findOpt.option)
           })
-          b.answer = answer.join(',')
+          b.answer = answer.length ? answer.join(',') : '-'
           a.push(b)
           return a
         }, [])